Attachment 217066 Details for Bug 248513 – msgio-55c433.c

msgio-55c433.c

msgio-55c433.c (text/plain), 335.37 KB, created by Remko Catersels on 2020-08-07 10:44:47 UTC

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Creator: Remko Catersels

Created: 2020-08-07 10:44:47 UTC

Size: 335.37 KB

patch

obsolete

># 1 "<built-in>"
># 1 "/usr/src/lib/libnv/msgio.c"
>/*-
> * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
> *
> * Copyright (c) 2013 The FreeBSD Foundation
> * Copyright (c) 2013 Mariusz Zaborski <oshogbo@FreeBSD.org>
> * All rights reserved.
> *
> * This software was developed by Pawel Jakub Dawidek under sponsorship from
> * the FreeBSD Foundation.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> *
> * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> */
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 33 "/usr/src/lib/libnv/msgio.c"
># 1 "/usr/include/sys/cdefs.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1991, 1993
> *	The Regents of the University of California.  All rights reserved.
> *
> * This code is derived from software contributed to Berkeley by
> * Berkeley Software Design, Inc.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)cdefs.h	8.8 (Berkeley) 1/9/95
> * $FreeBSD: stable/12/sys/sys/cdefs.h 337399 2018-08-06 23:51:08Z jhb $
> */
>
>#ifndef	_SYS_CDEFS_H_
>#define	_SYS_CDEFS_H_
>
>/*
> * Testing against Clang-specific extensions.
> */
>#ifndef	__has_attribute
>#define	__has_attribute(x)	0
>#endif
># 47 "/usr/include/sys/cdefs.h" 3 4
>#ifndef	__has_extension
>#define	__has_extension		__has_feature
>#endif
># 50 "/usr/include/sys/cdefs.h" 3 4
>#ifndef	__has_feature
>#define	__has_feature(x)	0
>#endif
># 53 "/usr/include/sys/cdefs.h" 3 4
>#ifndef	__has_include
>#define	__has_include(x)	0
>#endif
># 56 "/usr/include/sys/cdefs.h" 3 4
>#ifndef	__has_builtin
>#define	__has_builtin(x)	0
>#endif
># 59 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__cplusplus)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 61 "/usr/include/sys/cdefs.h" 3 4
>#define	__BEGIN_DECLS	extern "C" {
>#define	__END_DECLS	}
>#else
># 64 "/usr/include/sys/cdefs.h" 3 4
>#define	__BEGIN_DECLS
>#define	__END_DECLS
>#endif
># 67 "/usr/include/sys/cdefs.h" 3 4
>
>/*
> * This code has been put in place to help reduce the addition of
> * compiler specific defines in FreeBSD code.  It helps to aid in
> * having a compiler-agnostic source tree.
> */
>
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__GNUC__) || defined(__INTEL_COMPILER)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 75 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __GNUC__ >= 3 || defined(__INTEL_COMPILER)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 77 "/usr/include/sys/cdefs.h" 3 4
>#define	__GNUCLIKE_ASM 3
>#define	__GNUCLIKE_MATH_BUILTIN_CONSTANTS
>#else
># 80 "/usr/include/sys/cdefs.h" 3 4
>#define	__GNUCLIKE_ASM 2
>#endif
># 82 "/usr/include/sys/cdefs.h" 3 4
>#define	__GNUCLIKE___TYPEOF 1
>#define	__GNUCLIKE___OFFSETOF 1
>#define	__GNUCLIKE___SECTION 1
>
>#ifndef __INTEL_COMPILER
>#define	__GNUCLIKE_CTOR_SECTION_HANDLING 1
>#endif
># 89 "/usr/include/sys/cdefs.h" 3 4
>
>#define	__GNUCLIKE_BUILTIN_CONSTANT_P 1
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__INTEL_COMPILER) && defined(__cplusplus) && \
>   __INTEL_COMPILER < 800
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 93 "/usr/include/sys/cdefs.h" 3 4
>#undef __GNUCLIKE_BUILTIN_CONSTANT_P
>#endif
># 95 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if (__GNUC_MINOR__ > 95 || __GNUC__ >= 3)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 97 "/usr/include/sys/cdefs.h" 3 4
>#define	__GNUCLIKE_BUILTIN_VARARGS 1
>#define	__GNUCLIKE_BUILTIN_STDARG 1
>#define	__GNUCLIKE_BUILTIN_VAALIST 1
>#endif
># 101 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__GNUC__)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 103 "/usr/include/sys/cdefs.h" 3 4
>#define	__GNUC_VA_LIST_COMPATIBILITY 1
>#endif
># 105 "/usr/include/sys/cdefs.h" 3 4
>
>/*
> * Compiler memory barriers, specific to gcc and clang.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__GNUC__)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 110 "/usr/include/sys/cdefs.h" 3 4
>#define	__compiler_membar()	__asm __volatile(" " : : : "memory")
>#endif
># 112 "/usr/include/sys/cdefs.h" 3 4
>
>#ifndef __INTEL_COMPILER
>#define	__GNUCLIKE_BUILTIN_NEXT_ARG 1
>#define	__GNUCLIKE_MATH_BUILTIN_RELOPS
>#endif
># 117 "/usr/include/sys/cdefs.h" 3 4
>
>#define	__GNUCLIKE_BUILTIN_MEMCPY 1
>
>/* XXX: if __GNUC__ >= 2: not tested everywhere originally, where replaced */
>#define	__CC_SUPPORTS_INLINE 1
>#define	__CC_SUPPORTS___INLINE 1
>#define	__CC_SUPPORTS___INLINE__ 1
>
>#define	__CC_SUPPORTS___FUNC__ 1
>#define	__CC_SUPPORTS_WARNING 1
>
>#define	__CC_SUPPORTS_VARADIC_XXX 1 /* see varargs.h */
>
>#define	__CC_SUPPORTS_DYNAMIC_ARRAY_INIT 1
>
>#endif /* __GNUC__ || __INTEL_COMPILER */
># 133 "/usr/include/sys/cdefs.h" 3 4
>
>/*
> * Macro to test if we're using a specific version of gcc or later.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__GNUC__) && !defined(__INTEL_COMPILER)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 138 "/usr/include/sys/cdefs.h" 3 4
>#define	__GNUC_PREREQ__(ma, mi)	\
>	(__GNUC__ > (ma) || __GNUC__ == (ma) && __GNUC_MINOR__ >= (mi))
>#else
># 141 "/usr/include/sys/cdefs.h" 3 4
>#define	__GNUC_PREREQ__(ma, mi)	0
>#endif
># 143 "/usr/include/sys/cdefs.h" 3 4
>
>/*
> * The __CONCAT macro is used to concatenate parts of symbol names, e.g.
> * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
> * The __CONCAT macro is a bit tricky to use if it must work in non-ANSI
> * mode -- there must be no spaces between its arguments, and for nested
> * __CONCAT's, all the __CONCAT's must be at the left.  __CONCAT can also
> * concatenate double-quoted strings produced by the __STRING macro, but
> * this only works with ANSI C.
> *
> * __XSTRING is like __STRING, but it expands any macros in its argument
> * first.  It is only available with ANSI C.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__STDC__) || defined(__cplusplus)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 157 "/usr/include/sys/cdefs.h" 3 4
>#define	__P(protos)	protos		/* full-blown ANSI C */
>#define	__CONCAT1(x,y)	x ## y
>#define	__CONCAT(x,y)	__CONCAT1(x,y)
>#define	__STRING(x)	#x		/* stringify without expanding x */
>#define	__XSTRING(x)	__STRING(x)	/* expand x, then stringify */
>
>#define	__const		const		/* define reserved names to standard */
>#define	__signed	signed
>#define	__volatile	volatile
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__cplusplus)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 167 "/usr/include/sys/cdefs.h" 3 4
>#define	__inline	inline		/* convert to C++ keyword */
>#else
># 169 "/usr/include/sys/cdefs.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if !(defined(__CC_SUPPORTS___INLINE))
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 170 "/usr/include/sys/cdefs.h" 3 4
>#define	__inline			/* delete GCC keyword */
>#endif /* ! __CC_SUPPORTS___INLINE */
># 172 "/usr/include/sys/cdefs.h" 3 4
>#endif /* !__cplusplus */
># 173 "/usr/include/sys/cdefs.h" 3 4
>
>#else	/* !(__STDC__ || __cplusplus) */
># 175 "/usr/include/sys/cdefs.h" 3 4
>#define	__P(protos)	()		/* traditional C preprocessor */
>#define	__CONCAT(x,y)	x/**/y
>#define	__STRING(x)	"x"
>
>#if 0 /* disabled by -frewrite-includes */
>#if !defined(__CC_SUPPORTS___INLINE)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 180 "/usr/include/sys/cdefs.h" 3 4
>#define	__const				/* delete pseudo-ANSI C keywords */
>#define	__inline
>#define	__signed
>#define	__volatile
>/*
> * In non-ANSI C environments, new programs will want ANSI-only C keywords
> * deleted from the program and old programs will want them left alone.
> * When using a compiler other than gcc, programs using the ANSI C keywords
> * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS.
> * When using "gcc -traditional", we assume that this is the intent; if
> * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone.
> */
>#ifndef	NO_ANSI_KEYWORDS
>#define	const				/* delete ANSI C keywords */
>#define	inline
>#define	signed
>#define	volatile
>#endif	/* !NO_ANSI_KEYWORDS */
># 198 "/usr/include/sys/cdefs.h" 3 4
>#endif	/* !__CC_SUPPORTS___INLINE */
># 199 "/usr/include/sys/cdefs.h" 3 4
>#endif	/* !(__STDC__ || __cplusplus) */
># 200 "/usr/include/sys/cdefs.h" 3 4
>
>/*
> * Compiler-dependent macros to help declare dead (non-returning) and
> * pure (no side effects) functions, and unused variables.  They are
> * null except for versions of gcc that are known to support the features
> * properly (old versions of gcc-2 supported the dead and pure features
> * in a different (wrong) way).  If we do not provide an implementation
> * for a given compiler, let the compile fail if it is told to use
> * a feature that we cannot live without.
> */
>#define	__weak_symbol	__attribute__((__weak__))
>#if 0 /* disabled by -frewrite-includes */
>#if !__GNUC_PREREQ__(2, 5) && !defined(__INTEL_COMPILER)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 212 "/usr/include/sys/cdefs.h" 3 4
>#define	__dead2
>#define	__pure2
>#define	__unused
>#endif
># 216 "/usr/include/sys/cdefs.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 && __GNUC_MINOR__ < 7 && !defined(__INTEL_COMPILER)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 217 "/usr/include/sys/cdefs.h" 3 4
>#define	__dead2		__attribute__((__noreturn__))
>#define	__pure2		__attribute__((__const__))
>#define	__unused
>/* XXX Find out what to do for __packed, __aligned and __section */
>#endif
># 222 "/usr/include/sys/cdefs.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __GNUC_PREREQ__(2, 7) || defined(__INTEL_COMPILER)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 223 "/usr/include/sys/cdefs.h" 3 4
>#define	__dead2		__attribute__((__noreturn__))
>#define	__pure2		__attribute__((__const__))
>#define	__unused	__attribute__((__unused__))
>#define	__used		__attribute__((__used__))
>#define	__packed	__attribute__((__packed__))
>#define	__aligned(x)	__attribute__((__aligned__(x)))
>#define	__section(x)	__attribute__((__section__(x)))
>#endif
># 231 "/usr/include/sys/cdefs.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __GNUC_PREREQ__(4, 3) || __has_attribute(__alloc_size__)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 232 "/usr/include/sys/cdefs.h" 3 4
>#define	__alloc_size(x)	__attribute__((__alloc_size__(x)))
>#define	__alloc_size2(n, x)	__attribute__((__alloc_size__(n, x)))
>#else
># 235 "/usr/include/sys/cdefs.h" 3 4
>#define	__alloc_size(x)
>#define	__alloc_size2(n, x)
>#endif
># 238 "/usr/include/sys/cdefs.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __GNUC_PREREQ__(4, 9) || __has_attribute(__alloc_align__)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 239 "/usr/include/sys/cdefs.h" 3 4
>#define	__alloc_align(x)	__attribute__((__alloc_align__(x)))
>#else
># 241 "/usr/include/sys/cdefs.h" 3 4
>#define	__alloc_align(x)
>#endif
># 243 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if !__GNUC_PREREQ__(2, 95)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 245 "/usr/include/sys/cdefs.h" 3 4
>#define	__alignof(x)	__offsetof(struct { char __a; x __b; }, __b)
>#endif
># 247 "/usr/include/sys/cdefs.h" 3 4
>
>/*
> * Keywords added in C11.
> */
>
>#if 0 /* disabled by -frewrite-includes */
>#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 201112L
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 253 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if !__has_extension(c_alignas)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 255 "/usr/include/sys/cdefs.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if (defined(__cplusplus) && __cplusplus >= 201103L) || \
>    __has_extension(cxx_alignas)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 257 "/usr/include/sys/cdefs.h" 3 4
>#define	_Alignas(x)		alignas(x)
>#else
># 259 "/usr/include/sys/cdefs.h" 3 4
>/* XXX: Only emulates _Alignas(constant-expression); not _Alignas(type-name). */
>#define	_Alignas(x)		__aligned(x)
>#endif
># 262 "/usr/include/sys/cdefs.h" 3 4
>#endif
># 263 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__cplusplus) && __cplusplus >= 201103L
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 265 "/usr/include/sys/cdefs.h" 3 4
>#define	_Alignof(x)		alignof(x)
>#else
># 267 "/usr/include/sys/cdefs.h" 3 4
>#define	_Alignof(x)		__alignof(x)
>#endif
># 269 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if !defined(__cplusplus) && !__has_extension(c_atomic) && \
>	!__has_extension(cxx_atomic) && !__GNUC_PREREQ__(4, 7)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 272 "/usr/include/sys/cdefs.h" 3 4
>/*
> * No native support for _Atomic(). Place object in structure to prevent
> * most forms of direct non-atomic access.
> */
>#define	_Atomic(T)		struct { T volatile __val; }
>#endif
># 278 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__cplusplus) && __cplusplus >= 201103L
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 280 "/usr/include/sys/cdefs.h" 3 4
>#define	_Noreturn		[[noreturn]]
>#else
># 282 "/usr/include/sys/cdefs.h" 3 4
>#define	_Noreturn		__dead2
>#endif
># 284 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if !__has_extension(c_static_assert)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 286 "/usr/include/sys/cdefs.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if (defined(__cplusplus) && __cplusplus >= 201103L) || \
>    __has_extension(cxx_static_assert)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 288 "/usr/include/sys/cdefs.h" 3 4
>#define	_Static_assert(x, y)	static_assert(x, y)
>#if 0 /* disabled by -frewrite-includes */
>#if 0
>#elif __GNUC_PREREQ__(4,6) && !defined(__cplusplus)
>#endif
>#endif /* disabled by -frewrite-includes */
>#elif 0 /* evaluated by -frewrite-includes */
># 290 "/usr/include/sys/cdefs.h" 3 4
>/* Nothing, gcc 4.6 and higher has _Static_assert built-in */
>#if 0 /* disabled by -frewrite-includes */
>#if 0
>#elif defined(__COUNTER__)
>#endif
>#endif /* disabled by -frewrite-includes */
>#elif 0 /* evaluated by -frewrite-includes */
># 292 "/usr/include/sys/cdefs.h" 3 4
>#define	_Static_assert(x, y)	__Static_assert(x, __COUNTER__)
>#define	__Static_assert(x, y)	___Static_assert(x, y)
>#define	___Static_assert(x, y)	typedef char __assert_ ## y[(x) ? 1 : -1] \
>				__unused
>#else
># 297 "/usr/include/sys/cdefs.h" 3 4
>#define	_Static_assert(x, y)	struct __hack
>#endif
># 299 "/usr/include/sys/cdefs.h" 3 4
>#endif
># 300 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if !__has_extension(c_thread_local)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 302 "/usr/include/sys/cdefs.h" 3 4
>/*
> * XXX: Some compilers (Clang 3.3, GCC 4.7) falsely announce C++11 mode
> * without actually supporting the thread_local keyword. Don't check for
> * the presence of C++11 when defining _Thread_local.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if /* (defined(__cplusplus) && __cplusplus >= 201103L) || */ \
>    __has_extension(cxx_thread_local)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 309 "/usr/include/sys/cdefs.h" 3 4
>#define	_Thread_local		thread_local
>#else
># 311 "/usr/include/sys/cdefs.h" 3 4
>#define	_Thread_local		__thread
>#endif
># 313 "/usr/include/sys/cdefs.h" 3 4
>#endif
># 314 "/usr/include/sys/cdefs.h" 3 4
>
>#endif /* __STDC_VERSION__ || __STDC_VERSION__ < 201112L */
># 316 "/usr/include/sys/cdefs.h" 3 4
>
>/*
> * Emulation of C11 _Generic().  Unlike the previously defined C11
> * keywords, it is not possible to implement this using exactly the same
> * syntax.  Therefore implement something similar under the name
> * __generic().  Unlike _Generic(), this macro can only distinguish
> * between a single type, so it requires nested invocations to
> * distinguish multiple cases.
> */
>
>#if 0 /* disabled by -frewrite-includes */
>#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) || \
>    __has_extension(c_generic_selections)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 328 "/usr/include/sys/cdefs.h" 3 4
>#define	__generic(expr, t, yes, no)					\
>	_Generic(expr, t: yes, default: no)
>#if 0 /* disabled by -frewrite-includes */
>#if 0
>#elif __GNUC_PREREQ__(3, 1) && !defined(__cplusplus)
>#endif
>#endif /* disabled by -frewrite-includes */
>#elif 0 /* evaluated by -frewrite-includes */
># 331 "/usr/include/sys/cdefs.h" 3 4
>#define	__generic(expr, t, yes, no)					\
>	__builtin_choose_expr(						\
>	    __builtin_types_compatible_p(__typeof(expr), t), yes, no)
>#endif
># 335 "/usr/include/sys/cdefs.h" 3 4
>
>/*
> * C99 Static array indices in function parameter declarations.  Syntax such as:
> * void bar(int myArray[static 10]);
> * is allowed in C99 but not in C++.  Define __min_size appropriately so
> * headers using it can be compiled in either language.  Use like this:
> * void bar(int myArray[__min_size(10)]);
> */
>#if 0 /* disabled by -frewrite-includes */
>#if !defined(__cplusplus) && \
>    (defined(__clang__) || __GNUC_PREREQ__(4, 6)) && \
>    (!defined(__STDC_VERSION__) || (__STDC_VERSION__ >= 199901))
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 346 "/usr/include/sys/cdefs.h" 3 4
>#define __min_size(x)	static (x)
>#else
># 348 "/usr/include/sys/cdefs.h" 3 4
>#define __min_size(x)	(x)
>#endif
># 350 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __GNUC_PREREQ__(2, 96)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 352 "/usr/include/sys/cdefs.h" 3 4
>#define	__malloc_like	__attribute__((__malloc__))
>#define	__pure		__attribute__((__pure__))
>#else
># 355 "/usr/include/sys/cdefs.h" 3 4
>#define	__malloc_like
>#define	__pure
>#endif
># 358 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __GNUC_PREREQ__(3, 1) || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 800)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 360 "/usr/include/sys/cdefs.h" 3 4
>#define	__always_inline	__attribute__((__always_inline__))
>#else
># 362 "/usr/include/sys/cdefs.h" 3 4
>#define	__always_inline
>#endif
># 364 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __GNUC_PREREQ__(3, 1)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 366 "/usr/include/sys/cdefs.h" 3 4
>#define	__noinline	__attribute__ ((__noinline__))
>#else
># 368 "/usr/include/sys/cdefs.h" 3 4
>#define	__noinline
>#endif
># 370 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __GNUC_PREREQ__(3, 4)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 372 "/usr/include/sys/cdefs.h" 3 4
>#define	__fastcall	__attribute__((__fastcall__))
>#define	__result_use_check	__attribute__((__warn_unused_result__))
>#else
># 375 "/usr/include/sys/cdefs.h" 3 4
>#define	__fastcall
>#define	__result_use_check
>#endif
># 378 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __GNUC_PREREQ__(4, 1)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 380 "/usr/include/sys/cdefs.h" 3 4
>#define	__returns_twice	__attribute__((__returns_twice__))
>#else
># 382 "/usr/include/sys/cdefs.h" 3 4
>#define	__returns_twice
>#endif
># 384 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __GNUC_PREREQ__(4, 6) || __has_builtin(__builtin_unreachable)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 386 "/usr/include/sys/cdefs.h" 3 4
>#define	__unreachable()	__builtin_unreachable()
>#else
># 388 "/usr/include/sys/cdefs.h" 3 4
>#define	__unreachable()	((void)0)
>#endif
># 390 "/usr/include/sys/cdefs.h" 3 4
>
>/* XXX: should use `#if __STDC_VERSION__ < 199901'. */
>#if 0 /* disabled by -frewrite-includes */
>#if !__GNUC_PREREQ__(2, 7) && !defined(__INTEL_COMPILER)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 393 "/usr/include/sys/cdefs.h" 3 4
>#define	__func__	NULL
>#endif
># 395 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if (defined(__INTEL_COMPILER) || (defined(__GNUC__) && __GNUC__ >= 2)) && !defined(__STRICT_ANSI__) || __STDC_VERSION__ >= 199901
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 397 "/usr/include/sys/cdefs.h" 3 4
>#define	__LONG_LONG_SUPPORTED
>#endif
># 399 "/usr/include/sys/cdefs.h" 3 4
>
>/* C++11 exposes a load of C99 stuff */
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__cplusplus) && __cplusplus >= 201103L
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 402 "/usr/include/sys/cdefs.h" 3 4
>#define	__LONG_LONG_SUPPORTED
>#ifndef	__STDC_LIMIT_MACROS
>#define	__STDC_LIMIT_MACROS
>#endif
># 406 "/usr/include/sys/cdefs.h" 3 4
>#ifndef	__STDC_CONSTANT_MACROS
>#define	__STDC_CONSTANT_MACROS
>#endif
># 409 "/usr/include/sys/cdefs.h" 3 4
>#endif
># 410 "/usr/include/sys/cdefs.h" 3 4
>
>/*
> * GCC 2.95 provides `__restrict' as an extension to C90 to support the
> * C99-specific `restrict' type qualifier.  We happen to use `__restrict' as
> * a way to define the `restrict' type qualifier without disturbing older
> * software that is unaware of C99 keywords.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if !(__GNUC__ == 2 && __GNUC_MINOR__ == 95)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 418 "/usr/include/sys/cdefs.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 419 "/usr/include/sys/cdefs.h" 3 4
>#define	__restrict
>#else
># 421 "/usr/include/sys/cdefs.h" 3 4
>#define	__restrict	restrict
>#endif
># 423 "/usr/include/sys/cdefs.h" 3 4
>#endif
># 424 "/usr/include/sys/cdefs.h" 3 4
>
>/*
> * GNU C version 2.96 adds explicit branch prediction so that
> * the CPU back-end can hint the processor and also so that
> * code blocks can be reordered such that the predicted path
> * sees a more linear flow, thus improving cache behavior, etc.
> *
> * The following two macros provide us with a way to utilize this
> * compiler feature.  Use __predict_true() if you expect the expression
> * to evaluate to true, and __predict_false() if you expect the
> * expression to evaluate to false.
> *
> * A few notes about usage:
> *
> *	* Generally, __predict_false() error condition checks (unless
> *	  you have some _strong_ reason to do otherwise, in which case
> *	  document it), and/or __predict_true() `no-error' condition
> *	  checks, assuming you want to optimize for the no-error case.
> *
> *	* Other than that, if you don't know the likelihood of a test
> *	  succeeding from empirical or other `hard' evidence, don't
> *	  make predictions.
> *
> *	* These are meant to be used in places that are run `a lot'.
> *	  It is wasteful to make predictions in code that is run
> *	  seldomly (e.g. at subsystem initialization time) as the
> *	  basic block reordering that this affects can often generate
> *	  larger code.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if __GNUC_PREREQ__(2, 96)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 454 "/usr/include/sys/cdefs.h" 3 4
>#define	__predict_true(exp)     __builtin_expect((exp), 1)
>#define	__predict_false(exp)    __builtin_expect((exp), 0)
>#else
># 457 "/usr/include/sys/cdefs.h" 3 4
>#define	__predict_true(exp)     (exp)
>#define	__predict_false(exp)    (exp)
>#endif
># 460 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __GNUC_PREREQ__(4, 0)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 462 "/usr/include/sys/cdefs.h" 3 4
>#define	__null_sentinel	__attribute__((__sentinel__))
>#define	__exported	__attribute__((__visibility__("default")))
>#define	__hidden	__attribute__((__visibility__("hidden")))
>#else
># 466 "/usr/include/sys/cdefs.h" 3 4
>#define	__null_sentinel
>#define	__exported
>#define	__hidden
>#endif
># 470 "/usr/include/sys/cdefs.h" 3 4
>
>/*
> * We define this here since <stddef.h>, <sys/queue.h>, and <sys/types.h>
> * require it.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if __GNUC_PREREQ__(4, 1)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 476 "/usr/include/sys/cdefs.h" 3 4
>#define	__offsetof(type, field)	 __builtin_offsetof(type, field)
>#else
># 478 "/usr/include/sys/cdefs.h" 3 4
>#ifndef __cplusplus
>#define	__offsetof(type, field) \
>	((__size_t)(__uintptr_t)((const volatile void *)&((type *)0)->field))
>#else
># 482 "/usr/include/sys/cdefs.h" 3 4
>#define	__offsetof(type, field)					\
>  (__offsetof__ (reinterpret_cast <__size_t>			\
>                 (&reinterpret_cast <const volatile char &>	\
>                  (static_cast<type *> (0)->field))))
>#endif
># 487 "/usr/include/sys/cdefs.h" 3 4
>#endif
># 488 "/usr/include/sys/cdefs.h" 3 4
>#define	__rangeof(type, start, end) \
>	(__offsetof(type, end) - __offsetof(type, start))
>
>/*
> * Given the pointer x to the member m of the struct s, return
> * a pointer to the containing structure.  When using GCC, we first
> * assign pointer x to a local variable, to check that its type is
> * compatible with member m.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if __GNUC_PREREQ__(3, 1)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 498 "/usr/include/sys/cdefs.h" 3 4
>#define	__containerof(x, s, m) ({					\
>	const volatile __typeof(((s *)0)->m) *__x = (x);		\
>	__DEQUALIFY(s *, (const volatile char *)__x - __offsetof(s, m));\
>})
>#else
># 503 "/usr/include/sys/cdefs.h" 3 4
>#define	__containerof(x, s, m)						\
>	__DEQUALIFY(s *, (const volatile char *)(x) - __offsetof(s, m))
>#endif
># 506 "/usr/include/sys/cdefs.h" 3 4
>
>/*
> * Compiler-dependent macros to declare that functions take printf-like
> * or scanf-like arguments.  They are null except for versions of gcc
> * that are known to support the features properly (old versions of gcc-2
> * didn't permit keeping the keywords out of the application namespace).
> */
>#if 0 /* disabled by -frewrite-includes */
>#if !__GNUC_PREREQ__(2, 7) && !defined(__INTEL_COMPILER)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 514 "/usr/include/sys/cdefs.h" 3 4
>#define	__printflike(fmtarg, firstvararg)
>#define	__scanflike(fmtarg, firstvararg)
>#define	__format_arg(fmtarg)
>#define	__strfmonlike(fmtarg, firstvararg)
>#define	__strftimelike(fmtarg, firstvararg)
>#else
># 520 "/usr/include/sys/cdefs.h" 3 4
>#define	__printflike(fmtarg, firstvararg) \
>	    __attribute__((__format__ (__printf__, fmtarg, firstvararg)))
>#define	__scanflike(fmtarg, firstvararg) \
>	    __attribute__((__format__ (__scanf__, fmtarg, firstvararg)))
>#define	__format_arg(fmtarg)	__attribute__((__format_arg__ (fmtarg)))
>#define	__strfmonlike(fmtarg, firstvararg) \
>	    __attribute__((__format__ (__strfmon__, fmtarg, firstvararg)))
>#define	__strftimelike(fmtarg, firstvararg) \
>	    __attribute__((__format__ (__strftime__, fmtarg, firstvararg)))
>#endif
># 530 "/usr/include/sys/cdefs.h" 3 4
>
>/* Compiler-dependent macros that rely on FreeBSD-specific extensions. */
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__FreeBSD_cc_version) && __FreeBSD_cc_version >= 300001 && \
>    defined(__GNUC__) && !defined(__INTEL_COMPILER)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 534 "/usr/include/sys/cdefs.h" 3 4
>#define	__printf0like(fmtarg, firstvararg) \
>	    __attribute__((__format__ (__printf0__, fmtarg, firstvararg)))
>#else
># 537 "/usr/include/sys/cdefs.h" 3 4
>#define	__printf0like(fmtarg, firstvararg)
>#endif
># 539 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__GNUC__) || defined(__INTEL_COMPILER)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 541 "/usr/include/sys/cdefs.h" 3 4
>#ifndef __INTEL_COMPILER
>#define	__strong_reference(sym,aliassym)	\
>	extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym)))
>#endif
># 545 "/usr/include/sys/cdefs.h" 3 4
>#ifdef __STDC__
>#define	__weak_reference(sym,alias)	\
>	__asm__(".weak " #alias);	\
>	__asm__(".equ "  #alias ", " #sym)
>#define	__warn_references(sym,msg)	\
>	__asm__(".section .gnu.warning." #sym);	\
>	__asm__(".asciz \"" msg "\"");	\
>	__asm__(".previous")
>#define	__sym_compat(sym,impl,verid)	\
>	__asm__(".symver " #impl ", " #sym "@" #verid)
>#define	__sym_default(sym,impl,verid)	\
>	__asm__(".symver " #impl ", " #sym "@@@" #verid)
>#else
># 558 "/usr/include/sys/cdefs.h" 3 4
>#define	__weak_reference(sym,alias)	\
>	__asm__(".weak alias");		\
>	__asm__(".equ alias, sym")
>#define	__warn_references(sym,msg)	\
>	__asm__(".section .gnu.warning.sym"); \
>	__asm__(".asciz \"msg\"");	\
>	__asm__(".previous")
>#define	__sym_compat(sym,impl,verid)	\
>	__asm__(".symver impl, sym@verid")
>#define	__sym_default(impl,sym,verid)	\
>	__asm__(".symver impl, sym@@@verid")
>#endif	/* __STDC__ */
># 570 "/usr/include/sys/cdefs.h" 3 4
>#endif	/* __GNUC__ || __INTEL_COMPILER */
># 571 "/usr/include/sys/cdefs.h" 3 4
>
>#define	__GLOBL1(sym)	__asm__(".globl " #sym)
>#define	__GLOBL(sym)	__GLOBL1(sym)
>
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__GNUC__) || defined(__INTEL_COMPILER)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 576 "/usr/include/sys/cdefs.h" 3 4
>#define	__IDSTRING(name,string)	__asm__(".ident\t\"" string "\"")
>#else
># 578 "/usr/include/sys/cdefs.h" 3 4
>/*
> * The following definition might not work well if used in header files,
> * but it should be better than nothing.  If you want a "do nothing"
> * version, then it should generate some harmless declaration, such as:
> *    #define	__IDSTRING(name,string)	struct __hack
> */
>#define	__IDSTRING(name,string)	static const char name[] __unused = string
>#endif
># 586 "/usr/include/sys/cdefs.h" 3 4
>
>/*
> * Embed the rcs id of a source file in the resulting library.  Note that in
> * more recent ELF binutils, we use .ident allowing the ID to be stripped.
> * Usage:
> *	__FBSDID("$FreeBSD: stable/12/sys/sys/cdefs.h 337399 2018-08-06 23:51:08Z jhb $");
> */
>#ifndef	__FBSDID
>#if 0 /* disabled by -frewrite-includes */
>#if !defined(STRIP_FBSDID)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 595 "/usr/include/sys/cdefs.h" 3 4
>#define	__FBSDID(s)	__IDSTRING(__CONCAT(__rcsid_,__LINE__),s)
>#else
># 597 "/usr/include/sys/cdefs.h" 3 4
>#define	__FBSDID(s)	struct __hack
>#endif
># 599 "/usr/include/sys/cdefs.h" 3 4
>#endif
># 600 "/usr/include/sys/cdefs.h" 3 4
>
>#ifndef	__RCSID
>#ifndef	NO__RCSID
>#define	__RCSID(s)	__IDSTRING(__CONCAT(__rcsid_,__LINE__),s)
>#else
># 605 "/usr/include/sys/cdefs.h" 3 4
>#define	__RCSID(s)	struct __hack
>#endif
># 607 "/usr/include/sys/cdefs.h" 3 4
>#endif
># 608 "/usr/include/sys/cdefs.h" 3 4
>
>#ifndef	__RCSID_SOURCE
>#ifndef	NO__RCSID_SOURCE
>#define	__RCSID_SOURCE(s)	__IDSTRING(__CONCAT(__rcsid_source_,__LINE__),s)
>#else
># 613 "/usr/include/sys/cdefs.h" 3 4
>#define	__RCSID_SOURCE(s)	struct __hack
>#endif
># 615 "/usr/include/sys/cdefs.h" 3 4
>#endif
># 616 "/usr/include/sys/cdefs.h" 3 4
>
>#ifndef	__SCCSID
>#ifndef	NO__SCCSID
>#define	__SCCSID(s)	__IDSTRING(__CONCAT(__sccsid_,__LINE__),s)
>#else
># 621 "/usr/include/sys/cdefs.h" 3 4
>#define	__SCCSID(s)	struct __hack
>#endif
># 623 "/usr/include/sys/cdefs.h" 3 4
>#endif
># 624 "/usr/include/sys/cdefs.h" 3 4
>
>#ifndef	__COPYRIGHT
>#ifndef	NO__COPYRIGHT
>#define	__COPYRIGHT(s)	__IDSTRING(__CONCAT(__copyright_,__LINE__),s)
>#else
># 629 "/usr/include/sys/cdefs.h" 3 4
>#define	__COPYRIGHT(s)	struct __hack
>#endif
># 631 "/usr/include/sys/cdefs.h" 3 4
>#endif
># 632 "/usr/include/sys/cdefs.h" 3 4
>
>#ifndef	__DECONST
>#define	__DECONST(type, var)	((type)(__uintptr_t)(const void *)(var))
>#endif
># 636 "/usr/include/sys/cdefs.h" 3 4
>
>#ifndef	__DEVOLATILE
>#define	__DEVOLATILE(type, var)	((type)(__uintptr_t)(volatile void *)(var))
>#endif
># 640 "/usr/include/sys/cdefs.h" 3 4
>
>#ifndef	__DEQUALIFY
>#define	__DEQUALIFY(type, var)	((type)(__uintptr_t)(const volatile void *)(var))
>#endif
># 644 "/usr/include/sys/cdefs.h" 3 4
>
>/*-
> * The following definitions are an extension of the behavior originally
> * implemented in <sys/_posix.h>, but with a different level of granularity.
> * POSIX.1 requires that the macros we test be defined before any standard
> * header file is included.
> *
> * Here's a quick run-down of the versions:
> *  defined(_POSIX_SOURCE)		1003.1-1988
> *  _POSIX_C_SOURCE == 1		1003.1-1990
> *  _POSIX_C_SOURCE == 2		1003.2-1992 C Language Binding Option
> *  _POSIX_C_SOURCE == 199309		1003.1b-1993
> *  _POSIX_C_SOURCE == 199506		1003.1c-1995, 1003.1i-1995,
> *					and the omnibus ISO/IEC 9945-1: 1996
> *  _POSIX_C_SOURCE == 200112		1003.1-2001
> *  _POSIX_C_SOURCE == 200809		1003.1-2008
> *
> * In addition, the X/Open Portability Guide, which is now the Single UNIX
> * Specification, defines a feature-test macro which indicates the version of
> * that specification, and which subsumes _POSIX_C_SOURCE.
> *
> * Our macros begin with two underscores to avoid namespace screwage.
> */
>
>/* Deal with IEEE Std. 1003.1-1990, in which _POSIX_C_SOURCE == 1. */
>#if 0 /* disabled by -frewrite-includes */
>#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 1
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 670 "/usr/include/sys/cdefs.h" 3 4
>#undef _POSIX_C_SOURCE		/* Probably illegal, but beyond caring now. */
>#define	_POSIX_C_SOURCE		199009
>#endif
># 673 "/usr/include/sys/cdefs.h" 3 4
>
>/* Deal with IEEE Std. 1003.2-1992, in which _POSIX_C_SOURCE == 2. */
>#if 0 /* disabled by -frewrite-includes */
>#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 2
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 676 "/usr/include/sys/cdefs.h" 3 4
>#undef _POSIX_C_SOURCE
>#define	_POSIX_C_SOURCE		199209
>#endif
># 679 "/usr/include/sys/cdefs.h" 3 4
>
>/* Deal with various X/Open Portability Guides and Single UNIX Spec. */
>#ifdef _XOPEN_SOURCE
>#if 0 /* disabled by -frewrite-includes */
>#if _XOPEN_SOURCE - 0 >= 700
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 683 "/usr/include/sys/cdefs.h" 3 4
>#define	__XSI_VISIBLE		700
>#undef _POSIX_C_SOURCE
>#define	_POSIX_C_SOURCE		200809
>#if 0 /* disabled by -frewrite-includes */
>#if 0
>#elif _XOPEN_SOURCE - 0 >= 600
>#endif
>#endif /* disabled by -frewrite-includes */
>#elif 0 /* evaluated by -frewrite-includes */
># 687 "/usr/include/sys/cdefs.h" 3 4
>#define	__XSI_VISIBLE		600
>#undef _POSIX_C_SOURCE
>#define	_POSIX_C_SOURCE		200112
>#if 0 /* disabled by -frewrite-includes */
>#if 0
>#elif _XOPEN_SOURCE - 0 >= 500
>#endif
>#endif /* disabled by -frewrite-includes */
>#elif 0 /* evaluated by -frewrite-includes */
># 691 "/usr/include/sys/cdefs.h" 3 4
>#define	__XSI_VISIBLE		500
>#undef _POSIX_C_SOURCE
>#define	_POSIX_C_SOURCE		199506
>#endif
># 695 "/usr/include/sys/cdefs.h" 3 4
>#endif
># 696 "/usr/include/sys/cdefs.h" 3 4
>
>/*
> * Deal with all versions of POSIX.  The ordering relative to the tests above is
> * important.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 702 "/usr/include/sys/cdefs.h" 3 4
>#define	_POSIX_C_SOURCE		198808
>#endif
># 704 "/usr/include/sys/cdefs.h" 3 4
>#ifdef _POSIX_C_SOURCE
>#if 0 /* disabled by -frewrite-includes */
>#if _POSIX_C_SOURCE >= 200809
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 706 "/usr/include/sys/cdefs.h" 3 4
>#define	__POSIX_VISIBLE		200809
>#define	__ISO_C_VISIBLE		1999
>#if 0 /* disabled by -frewrite-includes */
>#if 0
>#elif _POSIX_C_SOURCE >= 200112
>#endif
>#endif /* disabled by -frewrite-includes */
>#elif 0 /* evaluated by -frewrite-includes */
># 709 "/usr/include/sys/cdefs.h" 3 4
>#define	__POSIX_VISIBLE		200112
>#define	__ISO_C_VISIBLE		1999
>#if 0 /* disabled by -frewrite-includes */
>#if 0
>#elif _POSIX_C_SOURCE >= 199506
>#endif
>#endif /* disabled by -frewrite-includes */
>#elif 0 /* evaluated by -frewrite-includes */
># 712 "/usr/include/sys/cdefs.h" 3 4
>#define	__POSIX_VISIBLE		199506
>#define	__ISO_C_VISIBLE		1990
>#if 0 /* disabled by -frewrite-includes */
>#if 0
>#elif _POSIX_C_SOURCE >= 199309
>#endif
>#endif /* disabled by -frewrite-includes */
>#elif 0 /* evaluated by -frewrite-includes */
># 715 "/usr/include/sys/cdefs.h" 3 4
>#define	__POSIX_VISIBLE		199309
>#define	__ISO_C_VISIBLE		1990
>#if 0 /* disabled by -frewrite-includes */
>#if 0
>#elif _POSIX_C_SOURCE >= 199209
>#endif
>#endif /* disabled by -frewrite-includes */
>#elif 0 /* evaluated by -frewrite-includes */
># 718 "/usr/include/sys/cdefs.h" 3 4
>#define	__POSIX_VISIBLE		199209
>#define	__ISO_C_VISIBLE		1990
>#if 0 /* disabled by -frewrite-includes */
>#if 0
>#elif _POSIX_C_SOURCE >= 199009
>#endif
>#endif /* disabled by -frewrite-includes */
>#elif 0 /* evaluated by -frewrite-includes */
># 721 "/usr/include/sys/cdefs.h" 3 4
>#define	__POSIX_VISIBLE		199009
>#define	__ISO_C_VISIBLE		1990
>#else
># 724 "/usr/include/sys/cdefs.h" 3 4
>#define	__POSIX_VISIBLE		198808
>#define	__ISO_C_VISIBLE		0
>#endif /* _POSIX_C_SOURCE */
># 727 "/usr/include/sys/cdefs.h" 3 4
>#else
># 728 "/usr/include/sys/cdefs.h" 3 4
>/*-
> * Deal with _ANSI_SOURCE:
> * If it is defined, and no other compilation environment is explicitly
> * requested, then define our internal feature-test macros to zero.  This
> * makes no difference to the preprocessor (undefined symbols in preprocessing
> * expressions are defined to have value zero), but makes it more convenient for
> * a test program to print out the values.
> *
> * If a program mistakenly defines _ANSI_SOURCE and some other macro such as
> * _POSIX_C_SOURCE, we will assume that it wants the broader compilation
> * environment (and in fact we will never get here).
> */
>#if 0 /* disabled by -frewrite-includes */
>#if defined(_ANSI_SOURCE)	/* Hide almost everything. */
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 741 "/usr/include/sys/cdefs.h" 3 4
>#define	__POSIX_VISIBLE		0
>#define	__XSI_VISIBLE		0
>#define	__BSD_VISIBLE		0
>#define	__ISO_C_VISIBLE		1990
>#define	__EXT1_VISIBLE		0
>#if 0 /* disabled by -frewrite-includes */
>#if 0
>#elif defined(_C99_SOURCE)	/* Localism to specify strict C99 env. */
>#endif
>#endif /* disabled by -frewrite-includes */
>#elif 0 /* evaluated by -frewrite-includes */
># 747 "/usr/include/sys/cdefs.h" 3 4
>#define	__POSIX_VISIBLE		0
>#define	__XSI_VISIBLE		0
>#define	__BSD_VISIBLE		0
>#define	__ISO_C_VISIBLE		1999
>#define	__EXT1_VISIBLE		0
>#if 0 /* disabled by -frewrite-includes */
>#if 0
>#elif defined(_C11_SOURCE)	/* Localism to specify strict C11 env. */
>#endif
>#endif /* disabled by -frewrite-includes */
>#elif 0 /* evaluated by -frewrite-includes */
># 753 "/usr/include/sys/cdefs.h" 3 4
>#define	__POSIX_VISIBLE		0
>#define	__XSI_VISIBLE		0
>#define	__BSD_VISIBLE		0
>#define	__ISO_C_VISIBLE		2011
>#define	__EXT1_VISIBLE		0
>#else				/* Default environment: show everything. */
># 759 "/usr/include/sys/cdefs.h" 3 4
>#define	__POSIX_VISIBLE		200809
>#define	__XSI_VISIBLE		700
>#define	__BSD_VISIBLE		1
>#define	__ISO_C_VISIBLE		2011
>#define	__EXT1_VISIBLE		1
>#endif
># 765 "/usr/include/sys/cdefs.h" 3 4
>#endif
># 766 "/usr/include/sys/cdefs.h" 3 4
>
>/* User override __EXT1_VISIBLE */
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__STDC_WANT_LIB_EXT1__)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 769 "/usr/include/sys/cdefs.h" 3 4
>#undef	__EXT1_VISIBLE
>#if 0 /* disabled by -frewrite-includes */
>#if __STDC_WANT_LIB_EXT1__
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 771 "/usr/include/sys/cdefs.h" 3 4
>#define	__EXT1_VISIBLE		1
>#else
># 773 "/usr/include/sys/cdefs.h" 3 4
>#define	__EXT1_VISIBLE		0
>#endif
># 775 "/usr/include/sys/cdefs.h" 3 4
>#endif /* __STDC_WANT_LIB_EXT1__ */
># 776 "/usr/include/sys/cdefs.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__mips) || defined(__powerpc64__) || defined(__riscv)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 778 "/usr/include/sys/cdefs.h" 3 4
>#define	__NO_TLS 1
>#endif
># 780 "/usr/include/sys/cdefs.h" 3 4
>
>/*
> * Old versions of GCC use non-standard ARM arch symbols; acle-compat.h
> * translates them to __ARM_ARCH and the modern feature symbols defined by ARM.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__arm__) && !defined(__ARM_ARCH)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 786 "/usr/include/sys/cdefs.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <machine/acle-compat.h>
>#endif /* expanded by -frewrite-includes */
># 786 "/usr/include/sys/cdefs.h" 3 4
># 787 "/usr/include/sys/cdefs.h" 3 4
>#endif
># 788 "/usr/include/sys/cdefs.h" 3 4
>
>/*
> * Nullability qualifiers: currently only supported by Clang.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if !(defined(__clang__) && __has_feature(nullability))
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 793 "/usr/include/sys/cdefs.h" 3 4
>#define	_Nonnull
>#define	_Nullable
>#define	_Null_unspecified
>#define	__NULLABILITY_PRAGMA_PUSH
>#define	__NULLABILITY_PRAGMA_POP
>#else
># 799 "/usr/include/sys/cdefs.h" 3 4
>#define	__NULLABILITY_PRAGMA_PUSH _Pragma("clang diagnostic push")	\
>	_Pragma("clang diagnostic ignored \"-Wnullability-completeness\"")
>#define	__NULLABILITY_PRAGMA_POP _Pragma("clang diagnostic pop")
>#endif
># 803 "/usr/include/sys/cdefs.h" 3 4
>
>/*
> * Type Safety Checking
> *
> * Clang provides additional attributes to enable checking type safety
> * properties that cannot be enforced by the C type system. 
> */
>
>#if 0 /* disabled by -frewrite-includes */
>#if __has_attribute(__argument_with_type_tag__) && \
>    __has_attribute(__type_tag_for_datatype__)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 813 "/usr/include/sys/cdefs.h" 3 4
>#define	__arg_type_tag(arg_kind, arg_idx, type_tag_idx) \
>	    __attribute__((__argument_with_type_tag__(arg_kind, arg_idx, type_tag_idx)))
>#define	__datatype_type_tag(kind, type) \
>	    __attribute__((__type_tag_for_datatype__(kind, type)))
>#else
># 818 "/usr/include/sys/cdefs.h" 3 4
>#define	__arg_type_tag(arg_kind, arg_idx, type_tag_idx)
>#define	__datatype_type_tag(kind, type)
>#endif
># 821 "/usr/include/sys/cdefs.h" 3 4
>
>/*
> * Lock annotations.
> *
> * Clang provides support for doing basic thread-safety tests at
> * compile-time, by marking which locks will/should be held when
> * entering/leaving a functions.
> *
> * Furthermore, it is also possible to annotate variables and structure
> * members to enforce that they are only accessed when certain locks are
> * held.
> */
>
>#if 0 /* disabled by -frewrite-includes */
>#if __has_extension(c_thread_safety_attributes)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 835 "/usr/include/sys/cdefs.h" 3 4
>#define	__lock_annotate(x)	__attribute__((x))
>#else
># 837 "/usr/include/sys/cdefs.h" 3 4
>#define	__lock_annotate(x)
>#endif
># 839 "/usr/include/sys/cdefs.h" 3 4
>
>/* Structure implements a lock. */
>#define	__lockable		__lock_annotate(lockable)
>
>/* Function acquires an exclusive or shared lock. */
>#define	__locks_exclusive(...) \
>	__lock_annotate(exclusive_lock_function(__VA_ARGS__))
>#define	__locks_shared(...) \
>	__lock_annotate(shared_lock_function(__VA_ARGS__))
>
>/* Function attempts to acquire an exclusive or shared lock. */
>#define	__trylocks_exclusive(...) \
>	__lock_annotate(exclusive_trylock_function(__VA_ARGS__))
>#define	__trylocks_shared(...) \
>	__lock_annotate(shared_trylock_function(__VA_ARGS__))
>
>/* Function releases a lock. */
>#define	__unlocks(...)		__lock_annotate(unlock_function(__VA_ARGS__))
>
>/* Function asserts that an exclusive or shared lock is held. */
>#define	__asserts_exclusive(...) \
>	__lock_annotate(assert_exclusive_lock(__VA_ARGS__))
>#define	__asserts_shared(...) \
>	__lock_annotate(assert_shared_lock(__VA_ARGS__))
>
>/* Function requires that an exclusive or shared lock is or is not held. */
>#define	__requires_exclusive(...) \
>	__lock_annotate(exclusive_locks_required(__VA_ARGS__))
>#define	__requires_shared(...) \
>	__lock_annotate(shared_locks_required(__VA_ARGS__))
>#define	__requires_unlocked(...) \
>	__lock_annotate(locks_excluded(__VA_ARGS__))
>
>/* Function should not be analyzed. */
>#define	__no_lock_analysis	__lock_annotate(no_thread_safety_analysis)
>
>/* Guard variables and structure members by lock. */
>#define	__guarded_by(x)		__lock_annotate(guarded_by(x))
>#define	__pt_guarded_by(x)	__lock_annotate(pt_guarded_by(x))
>
>#endif /* !_SYS_CDEFS_H_ */
># 880 "/usr/include/sys/cdefs.h" 3 4
># 34 "/usr/src/lib/libnv/msgio.c" 2
>__FBSDID("$FreeBSD: stable/12/lib/libnv/msgio.c 350130 2019-07-19 15:07:31Z markj $");
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/param.h>
>#endif /* expanded by -frewrite-includes */
># 36 "/usr/src/lib/libnv/msgio.c"
># 1 "/usr/include/sys/param.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1982, 1986, 1989, 1993
> *	The Regents of the University of California.  All rights reserved.
> * (c) UNIX System Laboratories, Inc.
> * All or some portions of this file are derived from material licensed
> * to the University of California by American Telephone and Telegraph
> * Co. or Unix System Laboratories, Inc. and are reproduced herein with
> * the permission of UNIX System Laboratories, Inc.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)param.h	8.3 (Berkeley) 4/4/95
> * $FreeBSD: stable/12/sys/sys/param.h 362916 2020-07-04 03:27:51Z delphij $
> */
>
>#ifndef _SYS_PARAM_H_
>#define _SYS_PARAM_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_null.h>
>#endif /* expanded by -frewrite-includes */
># 43 "/usr/include/sys/param.h" 3 4
># 1 "/usr/include/sys/_null.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
> *
> * Copyright (c) 2003 Marcel Moolenaar
> * All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> *
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> *
> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
> * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
> * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
> * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
> * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
> * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
> * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> *
> * $FreeBSD: stable/12/sys/sys/_null.h 326256 2017-11-27 15:01:59Z pfg $
> */
>
>#ifndef NULL
>
>#if 0 /* disabled by -frewrite-includes */
>#if !defined(__cplusplus)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 34 "/usr/include/sys/_null.h" 3 4
>#define	NULL	((void *)0)
>#else
># 36 "/usr/include/sys/_null.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __cplusplus >= 201103L
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 37 "/usr/include/sys/_null.h" 3 4
>#define	NULL	nullptr
>#if 0 /* disabled by -frewrite-includes */
>#if 0
>#elif defined(__GNUG__) && defined(__GNUC__) && __GNUC__ >= 4
>#endif
>#endif /* disabled by -frewrite-includes */
>#elif 0 /* evaluated by -frewrite-includes */
># 39 "/usr/include/sys/_null.h" 3 4
>#define	NULL	__null
>#else
># 41 "/usr/include/sys/_null.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__LP64__)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 42 "/usr/include/sys/_null.h" 3 4
>#define	NULL	(0L)
>#else
># 44 "/usr/include/sys/_null.h" 3 4
>#define	NULL	0
>#endif	/* __LP64__ */
># 46 "/usr/include/sys/_null.h" 3 4
>#endif	/* __GNUG__ */
># 47 "/usr/include/sys/_null.h" 3 4
>#endif	/* !__cplusplus */
># 48 "/usr/include/sys/_null.h" 3 4
>
>#endif
># 50 "/usr/include/sys/_null.h" 3 4
># 44 "/usr/include/sys/param.h" 2 3 4
>
>#define	BSD	199506		/* System version (year & month). */
>#define BSD4_3	1
>#define BSD4_4	1
>
>/*
> * __FreeBSD_version numbers are documented in the Porter's Handbook.
> * If you bump the version for any reason, you should update the documentation
> * there.
> * Currently this lives here in the doc/ repository:
> *
> *	head/en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml
> *
> * scheme is:  <major><two digit minor>Rxx
> *		'R' is in the range 0 to 4 if this is a release branch or
> *		X.0-CURRENT before releng/X.0 is created, otherwise 'R' is
> *		in the range 5 to 9.
> */
>#undef __FreeBSD_version
>#define __FreeBSD_version 1201519	/* Master, propagated to newvers */
>
>/*
> * __FreeBSD_kernel__ indicates that this system uses the kernel of FreeBSD,
> * which by definition is always true on FreeBSD. This macro is also defined
> * on other systems that use the kernel of FreeBSD, such as GNU/kFreeBSD.
> *
> * It is tempting to use this macro in userland code when we want to enable
> * kernel-specific routines, and in fact it's fine to do this in code that
> * is part of FreeBSD itself.  However, be aware that as presence of this
> * macro is still not widespread (e.g. older FreeBSD versions, 3rd party
> * compilers, etc), it is STRONGLY DISCOURAGED to check for this macro in
> * external applications without also checking for __FreeBSD__ as an
> * alternative.
> */
>#undef __FreeBSD_kernel__
>#define __FreeBSD_kernel__
>
>#if 0 /* disabled by -frewrite-includes */
>#if defined(_KERNEL) || defined(IN_RTLD)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 82 "/usr/include/sys/param.h" 3 4
>#define	P_OSREL_SIGWAIT			700000
>#define	P_OSREL_SIGSEGV			700004
>#define	P_OSREL_MAP_ANON		800104
>#define	P_OSREL_MAP_FSTRICT		1100036
>#define	P_OSREL_SHUTDOWN_ENOTCONN	1100077
>#define	P_OSREL_MAP_GUARD		1200035
>#define	P_OSREL_WRFSBASE		1200041
>#define	P_OSREL_CK_CYLGRP		1200046
>#define	P_OSREL_VMTOTAL64		1200054
>
>#define	P_OSREL_MAJOR(x)		((x) / 100000)
>#endif
># 94 "/usr/include/sys/param.h" 3 4
>
>#ifndef LOCORE
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/types.h>
>#endif /* expanded by -frewrite-includes */
># 96 "/usr/include/sys/param.h" 3 4
># 1 "/usr/include/sys/types.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1982, 1986, 1991, 1993, 1994
> *	The Regents of the University of California.  All rights reserved.
> * (c) UNIX System Laboratories, Inc.
> * All or some portions of this file are derived from material licensed
> * to the University of California by American Telephone and Telegraph
> * Co. or Unix System Laboratories, Inc. and are reproduced herein with
> * the permission of UNIX System Laboratories, Inc.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)types.h	8.6 (Berkeley) 2/19/95
> * $FreeBSD: stable/12/sys/sys/types.h 360400 2020-04-27 22:27:46Z kevans $
> */
>
>#ifndef _SYS_TYPES_H_
>#define	_SYS_TYPES_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 43 "/usr/include/sys/types.h" 3 4
># 44 "/usr/include/sys/types.h" 3 4
>
>/* Machine type dependent parameters. */
>#if 0 /* expanded by -frewrite-includes */
>#include <machine/endian.h>
>#endif /* expanded by -frewrite-includes */
># 46 "/usr/include/sys/types.h" 3 4
># 1 "/usr/include/machine/endian.h" 1 3 4
>/*-
> * This file is in the public domain.
> */
>/* $FreeBSD: stable/12/sys/amd64/include/endian.h 232266 2012-02-28 19:39:54Z tijl $ */
>
>#if 0 /* expanded by -frewrite-includes */
>#include <x86/endian.h>
>#endif /* expanded by -frewrite-includes */
># 6 "/usr/include/machine/endian.h" 3 4
># 1 "/usr/include/x86/endian.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1987, 1991 Regents of the University of California.
> * All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)endian.h	7.8 (Berkeley) 4/3/91
> * $FreeBSD: stable/12/sys/x86/include/endian.h 326023 2017-11-20 19:43:44Z pfg $
> */
>
>#ifndef _MACHINE_ENDIAN_H_
>#define	_MACHINE_ENDIAN_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 38 "/usr/include/x86/endian.h" 3 4
># 39 "/usr/include/x86/endian.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_types.h>
>#endif /* expanded by -frewrite-includes */
># 39 "/usr/include/x86/endian.h" 3 4
># 1 "/usr/include/sys/_types.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
> *
> * Copyright (c) 2002 Mike Barcroft <mike@FreeBSD.org>
> * All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> *
> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> * $FreeBSD: stable/12/sys/sys/_types.h 350956 2019-08-12 20:21:36Z asomers $
> */
>
>#ifndef _SYS__TYPES_H_
>#define _SYS__TYPES_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 34 "/usr/include/sys/_types.h" 3 4
># 35 "/usr/include/sys/_types.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <machine/_types.h>
>#endif /* expanded by -frewrite-includes */
># 35 "/usr/include/sys/_types.h" 3 4
># 1 "/usr/include/machine/_types.h" 1 3 4
>/*-
> * This file is in the public domain.
> */
>/* $FreeBSD: stable/12/sys/amd64/include/_types.h 232261 2012-02-28 18:15:28Z tijl $ */
>
>#if 0 /* expanded by -frewrite-includes */
>#include <x86/_types.h>
>#endif /* expanded by -frewrite-includes */
># 6 "/usr/include/machine/_types.h" 3 4
># 1 "/usr/include/x86/_types.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-4-Clause
> *
> * Copyright (c) 2002 Mike Barcroft <mike@FreeBSD.org>
> * Copyright (c) 1990, 1993
> *	The Regents of the University of California.  All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. All advertising materials mentioning features or use of this software
> *    must display the following acknowledgement:
> *	This product includes software developed by the University of
> *	California, Berkeley and its contributors.
> * 4. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	From: @(#)ansi.h	8.2 (Berkeley) 1/4/94
> *	From: @(#)types.h	8.3 (Berkeley) 1/5/94
> * $FreeBSD: stable/12/sys/x86/include/_types.h 329859 2018-02-23 04:04:25Z imp $
> */
>
>#ifndef _MACHINE__TYPES_H_
>#define	_MACHINE__TYPES_H_
>
>#ifndef _SYS_CDEFS_H_
>#error this file needs sys/cdefs.h as a prerequisite
>#endif
># 47 "/usr/include/x86/_types.h" 3 4
>
>#if 0 /* expanded by -frewrite-includes */
>#include <machine/_limits.h>
>#endif /* expanded by -frewrite-includes */
># 48 "/usr/include/x86/_types.h" 3 4
># 1 "/usr/include/machine/_limits.h" 1 3 4
>/*-
> * This file is in the public domain.
> */
>/* $FreeBSD: stable/12/sys/amd64/include/_limits.h 232262 2012-02-28 18:24:28Z tijl $ */
>
>#if 0 /* expanded by -frewrite-includes */
>#include <x86/_limits.h>
>#endif /* expanded by -frewrite-includes */
># 6 "/usr/include/machine/_limits.h" 3 4
># 1 "/usr/include/x86/_limits.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1988, 1993
> *	The Regents of the University of California.  All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)limits.h	8.3 (Berkeley) 1/4/94
> * $FreeBSD: stable/12/sys/x86/include/_limits.h 326023 2017-11-20 19:43:44Z pfg $
> */
>
>#ifndef	_MACHINE__LIMITS_H_
>#define	_MACHINE__LIMITS_H_
>
>/*
> * According to ANSI (section 2.2.4.2), the values below must be usable by
> * #if preprocessing directives.  Additionally, the expression must have the
> * same type as would an expression that is an object of the corresponding
> * type converted according to the integral promotions.  The subtraction for
> * INT_MIN, etc., is so the value is not unsigned; e.g., 0x80000000 is an
> * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2).
> */
>
>#define	__CHAR_BIT	8		/* number of bits in a char */
>
>#define	__SCHAR_MAX	0x7f		/* max value for a signed char */
>#define	__SCHAR_MIN	(-0x7f - 1)	/* min value for a signed char */
>
>#define	__UCHAR_MAX	0xff		/* max value for an unsigned char */
>
>#define	__USHRT_MAX	0xffff		/* max value for an unsigned short */
>#define	__SHRT_MAX	0x7fff		/* max value for a short */
>#define	__SHRT_MIN	(-0x7fff - 1)	/* min value for a short */
>
>#define	__UINT_MAX	0xffffffff	/* max value for an unsigned int */
>#define	__INT_MAX	0x7fffffff	/* max value for an int */
>#define	__INT_MIN	(-0x7fffffff - 1)	/* min value for an int */
>
>#ifdef	__LP64__
>#define	__ULONG_MAX	0xffffffffffffffff	/* max for an unsigned long */
>#define	__LONG_MAX	0x7fffffffffffffff	/* max for a long */
>#define	__LONG_MIN	(-0x7fffffffffffffff - 1) /* min for a long */
>#else
># 67 "/usr/include/x86/_limits.h" 3 4
>#define	__ULONG_MAX	0xffffffffUL
>#define	__LONG_MAX	0x7fffffffL
>#define	__LONG_MIN	(-0x7fffffffL - 1)
>#endif
># 71 "/usr/include/x86/_limits.h" 3 4
>
>			/* max value for an unsigned long long */
>#define	__ULLONG_MAX	0xffffffffffffffffULL
>#define	__LLONG_MAX	0x7fffffffffffffffLL	/* max value for a long long */
>#define	__LLONG_MIN	(-0x7fffffffffffffffLL - 1)  /* min for a long long */
>
>#ifdef	__LP64__
>#define	__SSIZE_MAX	__LONG_MAX	/* max value for a ssize_t */
>#define	__SIZE_T_MAX	__ULONG_MAX	/* max value for a size_t */
>#define	__OFF_MAX	__LONG_MAX	/* max value for an off_t */
>#define	__OFF_MIN	__LONG_MIN	/* min value for an off_t */
>/* Quads and longs are the same on the amd64.  Ensure they stay in sync. */
>#define	__UQUAD_MAX	__ULONG_MAX	/* max value for a uquad_t */
>#define	__QUAD_MAX	__LONG_MAX	/* max value for a quad_t */
>#define	__QUAD_MIN	__LONG_MIN	/* min value for a quad_t */
>#define	__LONG_BIT	64
>#else
># 88 "/usr/include/x86/_limits.h" 3 4
>#define	__SSIZE_MAX	__INT_MAX
>#define	__SIZE_T_MAX	__UINT_MAX
>#define	__OFF_MAX	__LLONG_MAX
>#define	__OFF_MIN	__LLONG_MIN
>#define	__UQUAD_MAX	__ULLONG_MAX
>#define	__QUAD_MAX	__LLONG_MAX
>#define	__QUAD_MIN	__LLONG_MIN
>#define	__LONG_BIT	32
>#endif
># 97 "/usr/include/x86/_limits.h" 3 4
>
>#define	__WORD_BIT	32
>
>/* Minimum signal stack size. */
>#define	__MINSIGSTKSZ	(512 * 4)
>
>#endif /* !_MACHINE__LIMITS_H_ */
># 104 "/usr/include/x86/_limits.h" 3 4
># 7 "/usr/include/machine/_limits.h" 2 3 4
># 49 "/usr/include/x86/_types.h" 2 3 4
>
>#define __NO_STRICT_ALIGNMENT
>
>/*
> * Basic types upon which most other types are built.
> */
>typedef	signed char		__int8_t;
>typedef	unsigned char		__uint8_t;
>typedef	short			__int16_t;
>typedef	unsigned short		__uint16_t;
>typedef	int			__int32_t;
>typedef	unsigned int		__uint32_t;
>#ifdef	__LP64__
>typedef	long			__int64_t;
>typedef	unsigned long		__uint64_t;
>#else
># 65 "/usr/include/x86/_types.h" 3 4
>__extension__
>typedef	long long		__int64_t;
>__extension__
>typedef	unsigned long long	__uint64_t;
>#endif
># 70 "/usr/include/x86/_types.h" 3 4
>
>/*
> * Standard type definitions.
> */
>#ifdef	__LP64__
>typedef	__int32_t	__clock_t;		/* clock()... */
>typedef	__int64_t	__critical_t;
>#ifndef _STANDALONE
>typedef	double		__double_t;
>typedef	float		__float_t;
>#endif
># 81 "/usr/include/x86/_types.h" 3 4
>typedef	__int64_t	__intfptr_t;
>typedef	__int64_t	__intptr_t;
>#else
># 84 "/usr/include/x86/_types.h" 3 4
>typedef	unsigned long	__clock_t;
>typedef	__int32_t	__critical_t;
>#ifndef _STANDALONE
>typedef	long double	__double_t;
>typedef	long double	__float_t;
>#endif
># 90 "/usr/include/x86/_types.h" 3 4
>typedef	__int32_t	__intfptr_t;
>typedef	__int32_t	__intptr_t;
>#endif
># 93 "/usr/include/x86/_types.h" 3 4
>typedef	__int64_t	__intmax_t;
>typedef	__int32_t	__int_fast8_t;
>typedef	__int32_t	__int_fast16_t;
>typedef	__int32_t	__int_fast32_t;
>typedef	__int64_t	__int_fast64_t;
>typedef	__int8_t	__int_least8_t;
>typedef	__int16_t	__int_least16_t;
>typedef	__int32_t	__int_least32_t;
>typedef	__int64_t	__int_least64_t;
>#ifdef	__LP64__
>typedef	__int64_t	__ptrdiff_t;		/* ptr1 - ptr2 */
>typedef	__int64_t	__register_t;
>typedef	__int64_t	__segsz_t;		/* segment size (in pages) */
>typedef	__uint64_t	__size_t;		/* sizeof() */
>typedef	__int64_t	__ssize_t;		/* byte count or error */
>typedef	__int64_t	__time_t;		/* time()... */
>typedef	__uint64_t	__uintfptr_t;
>typedef	__uint64_t	__uintptr_t;
>#else
># 112 "/usr/include/x86/_types.h" 3 4
>typedef	__int32_t	__ptrdiff_t;
>typedef	__int32_t	__register_t;
>typedef	__int32_t	__segsz_t;
>typedef	__uint32_t	__size_t;
>typedef	__int32_t	__ssize_t;
>typedef	__int32_t	__time_t;
>typedef	__uint32_t	__uintfptr_t;
>typedef	__uint32_t	__uintptr_t;
>#endif
># 121 "/usr/include/x86/_types.h" 3 4
>typedef	__uint64_t	__uintmax_t;
>typedef	__uint32_t	__uint_fast8_t;
>typedef	__uint32_t	__uint_fast16_t;
>typedef	__uint32_t	__uint_fast32_t;
>typedef	__uint64_t	__uint_fast64_t;
>typedef	__uint8_t	__uint_least8_t;
>typedef	__uint16_t	__uint_least16_t;
>typedef	__uint32_t	__uint_least32_t;
>typedef	__uint64_t	__uint_least64_t;
>#ifdef	__LP64__
>typedef	__uint64_t	__u_register_t;
>typedef	__uint64_t	__vm_offset_t;
>typedef	__uint64_t	__vm_paddr_t;
>typedef	__uint64_t	__vm_size_t;
>#else
># 136 "/usr/include/x86/_types.h" 3 4
>typedef	__uint32_t	__u_register_t;
>typedef	__uint32_t	__vm_offset_t;
>#ifdef PAE
>typedef	__uint64_t	__vm_paddr_t;
>#else
># 141 "/usr/include/x86/_types.h" 3 4
>typedef	__uint32_t	__vm_paddr_t;
>#endif
># 143 "/usr/include/x86/_types.h" 3 4
>typedef	__uint32_t	__vm_size_t;
>#endif
># 145 "/usr/include/x86/_types.h" 3 4
>typedef	int		___wchar_t;
>
>#define	__WCHAR_MIN	__INT_MIN	/* min value for a wchar_t */
>#define	__WCHAR_MAX	__INT_MAX	/* max value for a wchar_t */
>
>#endif /* !_MACHINE__TYPES_H_ */
># 151 "/usr/include/x86/_types.h" 3 4
># 7 "/usr/include/machine/_types.h" 2 3 4
># 36 "/usr/include/sys/_types.h" 2 3 4
>
>/*
> * Standard type definitions.
> */
>typedef	__int32_t	__blksize_t;	/* file block size */
>typedef	__int64_t	__blkcnt_t;	/* file block count */
>typedef	__int32_t	__clockid_t;	/* clock_gettime()... */
>typedef	__uint32_t	__fflags_t;	/* file flags */
>typedef	__uint64_t	__fsblkcnt_t;
>typedef	__uint64_t	__fsfilcnt_t;
>typedef	__uint32_t	__gid_t;
>typedef	__int64_t	__id_t;		/* can hold a gid_t, pid_t, or uid_t */
>typedef	__uint64_t	__ino_t;	/* inode number */
>typedef	long		__key_t;	/* IPC key (for Sys V IPC) */
>typedef	__int32_t	__lwpid_t;	/* Thread ID (a.k.a. LWP) */
>typedef	__uint16_t	__mode_t;	/* permissions */
>typedef	int		__accmode_t;	/* access permissions */
>typedef	int		__nl_item;
>typedef	__uint64_t	__nlink_t;	/* link count */
>typedef	__int64_t	__off_t;	/* file offset */
>typedef	__int64_t	__off64_t;	/* file offset (alias) */
>typedef	__int32_t	__pid_t;	/* process [group] */
>typedef	__int64_t	__rlim_t;	/* resource limit - intentionally */
>					/* signed, because of legacy code */
>					/* that uses -1 for RLIM_INFINITY */
>typedef	__uint8_t	__sa_family_t;
>typedef	__uint32_t	__socklen_t;
>typedef	long		__suseconds_t;	/* microseconds (signed) */
>typedef	struct __timer	*__timer_t;	/* timer_gettime()... */
>typedef	struct __mq	*__mqd_t;	/* mq_open()... */
>typedef	__uint32_t	__uid_t;
>typedef	unsigned int	__useconds_t;	/* microseconds (unsigned) */
>typedef	int		__cpuwhich_t;	/* which parameter for cpuset. */
>typedef	int		__cpulevel_t;	/* level parameter for cpuset. */
>typedef int		__cpusetid_t;	/* cpuset identifier. */
>typedef __int64_t	__daddr_t;	/* bwrite(3), FIOBMAP2, etc */
>
>/*
> * Unusual type definitions.
> */
>/*
> * rune_t is declared to be an ``int'' instead of the more natural
> * ``unsigned long'' or ``long''.  Two things are happening here.  It is not
> * unsigned so that EOF (-1) can be naturally assigned to it and used.  Also,
> * it looks like 10646 will be a 31 bit standard.  This means that if your
> * ints cannot hold 32 bits, you will be in trouble.  The reason an int was
> * chosen over a long is that the is*() and to*() routines take ints (says
> * ANSI C), but they use __ct_rune_t instead of int.
> *
> * NOTE: rune_t is not covered by ANSI nor other standards, and should not
> * be instantiated outside of lib/libc/locale.  Use wchar_t.  wint_t and
> * rune_t must be the same type.  Also, wint_t should be able to hold all
> * members of the largest character set plus one extra value (WEOF), and
> * must be at least 16 bits.
> */
>typedef	int		__ct_rune_t;	/* arg type for ctype funcs */
>typedef	__ct_rune_t	__rune_t;	/* rune_t (see above) */
>typedef	__ct_rune_t	__wint_t;	/* wint_t (see above) */
>
>/* Clang already provides these types as built-ins, but only in C++ mode. */
>#if 0 /* disabled by -frewrite-includes */
>#if !defined(__clang__) || !defined(__cplusplus)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 97 "/usr/include/sys/_types.h" 3 4
>typedef	__uint_least16_t __char16_t;
>typedef	__uint_least32_t __char32_t;
>#endif
># 100 "/usr/include/sys/_types.h" 3 4
>/* In C++11, char16_t and char32_t are built-in types. */
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__cplusplus) && __cplusplus >= 201103L
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 102 "/usr/include/sys/_types.h" 3 4
>#define	_CHAR16_T_DECLARED
>#define	_CHAR32_T_DECLARED
>#endif
># 105 "/usr/include/sys/_types.h" 3 4
>
>typedef struct {
>	long long __max_align1 __aligned(_Alignof(long long));
>#ifndef _STANDALONE
>	long double __max_align2 __aligned(_Alignof(long double));
>#endif
># 111 "/usr/include/sys/_types.h" 3 4
>} __max_align_t;
>
>typedef	__uint64_t	__dev_t;	/* device number */
>
>typedef	__uint32_t	__fixpt_t;	/* fixed point number */
>
>/*
> * mbstate_t is an opaque object to keep conversion state during multibyte
> * stream conversions.
> */
>typedef union {
>	char		__mbstate8[128];
>	__int64_t	_mbstateL;	/* for alignment */
>} __mbstate_t;
>
>typedef __uintmax_t     __rman_res_t;
>
>/*
> * Types for varargs. These are all provided by builtin types these
> * days, so centralize their definition.
> */
>#ifdef __GNUCLIKE_BUILTIN_VARARGS
>typedef	__builtin_va_list	__va_list;	/* internally known to gcc */
>#else
># 135 "/usr/include/sys/_types.h" 3 4
>#error "No support for your compiler for stdargs"
>#endif
># 137 "/usr/include/sys/_types.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__GNUC_VA_LIST_COMPATIBILITY) && !defined(__GNUC_VA_LIST) \
>    && !defined(__NO_GNUC_VA_LIST)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 139 "/usr/include/sys/_types.h" 3 4
>#define __GNUC_VA_LIST
>typedef __va_list		__gnuc_va_list;	/* compatibility w/GNU headers*/
>#endif
># 142 "/usr/include/sys/_types.h" 3 4
>
>/*
> * When the following macro is defined, the system uses 64-bit inode numbers.
> * Programs can use this to avoid including <sys/param.h>, with its associated
> * namespace pollution.
> */
>#define	__INO64
>
>#endif /* !_SYS__TYPES_H_ */
># 151 "/usr/include/sys/_types.h" 3 4
># 40 "/usr/include/x86/endian.h" 2 3 4
>
>/*
> * Define the order of 32-bit words in 64-bit words.
> */
>#define	_QUAD_HIGHWORD 1
>#define	_QUAD_LOWWORD 0
>
>/*
> * Definitions for byte order, according to byte significance from low
> * address to high.
> */
>#define	_LITTLE_ENDIAN	1234	/* LSB first: i386, vax */
>#define	_BIG_ENDIAN	4321	/* MSB first: 68000, ibm, net */
>#define	_PDP_ENDIAN	3412	/* LSB first in word, MSW first in long */
>
>#define	_BYTE_ORDER	_LITTLE_ENDIAN
>
>/*
> * Deprecated variants that don't have enough underscores to be useful in more
> * strict namespaces.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 62 "/usr/include/x86/endian.h" 3 4
>#define	LITTLE_ENDIAN	_LITTLE_ENDIAN
>#define	BIG_ENDIAN	_BIG_ENDIAN
>#define	PDP_ENDIAN	_PDP_ENDIAN
>#define	BYTE_ORDER	_BYTE_ORDER
>#endif
># 67 "/usr/include/x86/endian.h" 3 4
>
>#define	__bswap16_gen(x)	(__uint16_t)((x) << 8 | (x) >> 8)
>#define	__bswap32_gen(x)		\
>	(((__uint32_t)__bswap16((x) & 0xffff) << 16) | __bswap16((x) >> 16))
>#define	__bswap64_gen(x)		\
>	(((__uint64_t)__bswap32((x) & 0xffffffff) << 32) | __bswap32((x) >> 32))
>
>#ifdef __GNUCLIKE_BUILTIN_CONSTANT_P
>#define	__bswap16(x)				\
>	((__uint16_t)(__builtin_constant_p(x) ?	\
>	    __bswap16_gen((__uint16_t)(x)) : __bswap16_var(x)))
>#define	__bswap32(x)			\
>	(__builtin_constant_p(x) ?	\
>	    __bswap32_gen((__uint32_t)(x)) : __bswap32_var(x))
>#define	__bswap64(x)			\
>	(__builtin_constant_p(x) ?	\
>	    __bswap64_gen((__uint64_t)(x)) : __bswap64_var(x))
>#else
># 85 "/usr/include/x86/endian.h" 3 4
>/* XXX these are broken for use in static initializers. */
>#define	__bswap16(x)	__bswap16_var(x)
>#define	__bswap32(x)	__bswap32_var(x)
>#define	__bswap64(x)	__bswap64_var(x)
>#endif
># 90 "/usr/include/x86/endian.h" 3 4
>
>/* These are defined as functions to avoid multiple evaluation of x. */
>
>static __inline __uint16_t
>__bswap16_var(__uint16_t _x)
>{
>
>	return (__bswap16_gen(_x));
>}
>
>static __inline __uint32_t
>__bswap32_var(__uint32_t _x)
>{
>
>#ifdef __GNUCLIKE_ASM
>	__asm("bswap %0" : "+r" (_x));
>	return (_x);
>#else
># 108 "/usr/include/x86/endian.h" 3 4
>	return (__bswap32_gen(_x));
>#endif
># 110 "/usr/include/x86/endian.h" 3 4
>}
>
>static __inline __uint64_t
>__bswap64_var(__uint64_t _x)
>{
>
>#if 0 /* disabled by -frewrite-includes */
>#if defined(__amd64__) && defined(__GNUCLIKE_ASM)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 117 "/usr/include/x86/endian.h" 3 4
>	__asm("bswap %0" : "+r" (_x));
>	return (_x);
>#else
># 120 "/usr/include/x86/endian.h" 3 4
>	/*
>	 * It is important for the optimizations that the following is not
>	 * really generic, but expands to 2 __bswap32_var()'s.
>	 */
>	return (__bswap64_gen(_x));
>#endif
># 126 "/usr/include/x86/endian.h" 3 4
>}
>
>#define	__htonl(x)	__bswap32(x)
>#define	__htons(x)	__bswap16(x)
>#define	__ntohl(x)	__bswap32(x)
>#define	__ntohs(x)	__bswap16(x)
>
>#endif /* !_MACHINE_ENDIAN_H_ */
># 134 "/usr/include/x86/endian.h" 3 4
># 7 "/usr/include/machine/endian.h" 2 3 4
># 47 "/usr/include/sys/types.h" 2 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_types.h>
>#endif /* expanded by -frewrite-includes */
># 47 "/usr/include/sys/types.h" 3 4
># 48 "/usr/include/sys/types.h" 3 4
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_pthreadtypes.h>
>#endif /* expanded by -frewrite-includes */
># 49 "/usr/include/sys/types.h" 3 4
># 1 "/usr/include/sys/_pthreadtypes.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1993, 1994 by Chris Provenzano, proven@mit.edu
> * Copyright (c) 1995-1998 by John Birrell <jb@cimlogic.com.au>
> * All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. All advertising materials mentioning features or use of this software
> *    must display the following acknowledgement:
> *  This product includes software developed by Chris Provenzano.
> * 4. The name of Chris Provenzano may not be used to endorse or promote 
> *	  products derived from this software without specific prior written
> *	  permission.
> *
> * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL CHRIS PROVENZANO BE LIABLE FOR ANY 
> * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
> * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
> * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
> * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
> * SUCH DAMAGE.
> *
> * $FreeBSD: stable/12/sys/sys/_pthreadtypes.h 326256 2017-11-27 15:01:59Z pfg $
> */
>
>#ifndef _SYS__PTHREADTYPES_H_
>#define _SYS__PTHREADTYPES_H_
>
>/*
> * Forward structure definitions.
> *
> * These are mostly opaque to the user.
> */
>struct pthread;
>struct pthread_attr;
>struct pthread_cond;
>struct pthread_cond_attr;
>struct pthread_mutex;
>struct pthread_mutex_attr;
>struct pthread_once;
>struct pthread_rwlock;
>struct pthread_rwlockattr;
>struct pthread_barrier;
>struct pthread_barrier_attr;
>struct pthread_spinlock;
>
>/*
> * Primitive system data type definitions required by P1003.1c.
> *
> * Note that P1003.1c specifies that there are no defined comparison
> * or assignment operators for the types pthread_attr_t, pthread_cond_t,
> * pthread_condattr_t, pthread_mutex_t, pthread_mutexattr_t.
> */
>#ifndef _PTHREAD_T_DECLARED
>typedef struct	pthread			*pthread_t;
>#define	_PTHREAD_T_DECLARED
>#endif
># 70 "/usr/include/sys/_pthreadtypes.h" 3 4
>typedef struct	pthread_attr		*pthread_attr_t;
>typedef struct	pthread_mutex		*pthread_mutex_t;
>typedef struct	pthread_mutex_attr	*pthread_mutexattr_t;
>typedef struct	pthread_cond		*pthread_cond_t;
>typedef struct	pthread_cond_attr	*pthread_condattr_t;
>typedef int     			pthread_key_t;
>typedef struct	pthread_once		pthread_once_t;
>typedef struct	pthread_rwlock		*pthread_rwlock_t;
>typedef struct	pthread_rwlockattr	*pthread_rwlockattr_t;
>typedef struct	pthread_barrier		*pthread_barrier_t;
>typedef struct	pthread_barrierattr	*pthread_barrierattr_t;
>typedef struct	pthread_spinlock	*pthread_spinlock_t;
>
>/*
> * Additional type definitions:
> *
> * Note that P1003.1c reserves the prefixes pthread_ and PTHREAD_ for
> * use in header symbols.
> */
>typedef void	*pthread_addr_t;
>typedef void	*(*pthread_startroutine_t)(void *);
>
>/*
> * Once definitions.
> */
>struct pthread_once {
>	int		state;
>	pthread_mutex_t	mutex;
>};
>
>#endif /* ! _SYS__PTHREADTYPES_H_ */
># 101 "/usr/include/sys/_pthreadtypes.h" 3 4
># 50 "/usr/include/sys/types.h" 2 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 52 "/usr/include/sys/types.h" 3 4
>typedef	unsigned char	u_char;
>typedef	unsigned short	u_short;
>typedef	unsigned int	u_int;
>typedef	unsigned long	u_long;
>#ifndef _KERNEL
>typedef	unsigned short	ushort;		/* Sys V compatibility */
>typedef	unsigned int	uint;		/* Sys V compatibility */
>#endif
># 60 "/usr/include/sys/types.h" 3 4
>#endif
># 61 "/usr/include/sys/types.h" 3 4
>
>/*
> * XXX POSIX sized integrals that should appear only in <sys/stdint.h>.
> */
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_stdint.h>
>#endif /* expanded by -frewrite-includes */
># 65 "/usr/include/sys/types.h" 3 4
># 1 "/usr/include/sys/_stdint.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
> *
> * Copyright (c) 2011 David E. O'Brien <obrien@FreeBSD.org>
> * Copyright (c) 2001 Mike Barcroft <mike@FreeBSD.org>
> * All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> *
> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> * $FreeBSD: stable/12/sys/sys/_stdint.h 326256 2017-11-27 15:01:59Z pfg $
> */
>
>#ifndef _SYS__STDINT_H_
>#define _SYS__STDINT_H_
>
>#ifndef _INT8_T_DECLARED
>typedef	__int8_t		int8_t;
>#define	_INT8_T_DECLARED
>#endif
># 39 "/usr/include/sys/_stdint.h" 3 4
>
>#ifndef _INT16_T_DECLARED
>typedef	__int16_t		int16_t;
>#define	_INT16_T_DECLARED
>#endif
># 44 "/usr/include/sys/_stdint.h" 3 4
>
>#ifndef _INT32_T_DECLARED
>typedef	__int32_t		int32_t;
>#define	_INT32_T_DECLARED
>#endif
># 49 "/usr/include/sys/_stdint.h" 3 4
>
>#ifndef _INT64_T_DECLARED
>typedef	__int64_t		int64_t;
>#define	_INT64_T_DECLARED
>#endif
># 54 "/usr/include/sys/_stdint.h" 3 4
>
>#ifndef _UINT8_T_DECLARED
>typedef	__uint8_t		uint8_t;
>#define	_UINT8_T_DECLARED
>#endif
># 59 "/usr/include/sys/_stdint.h" 3 4
>
>#ifndef _UINT16_T_DECLARED
>typedef	__uint16_t		uint16_t;
>#define	_UINT16_T_DECLARED
>#endif
># 64 "/usr/include/sys/_stdint.h" 3 4
>
>#ifndef _UINT32_T_DECLARED
>typedef	__uint32_t		uint32_t;
>#define	_UINT32_T_DECLARED
>#endif
># 69 "/usr/include/sys/_stdint.h" 3 4
>
>#ifndef _UINT64_T_DECLARED
>typedef	__uint64_t		uint64_t;
>#define	_UINT64_T_DECLARED
>#endif
># 74 "/usr/include/sys/_stdint.h" 3 4
>
>#ifndef _INTPTR_T_DECLARED
>typedef	__intptr_t		intptr_t;
>#define	_INTPTR_T_DECLARED
>#endif
># 79 "/usr/include/sys/_stdint.h" 3 4
>#ifndef _UINTPTR_T_DECLARED
>typedef	__uintptr_t		uintptr_t;
>#define	_UINTPTR_T_DECLARED
>#endif
># 83 "/usr/include/sys/_stdint.h" 3 4
>#ifndef _INTMAX_T_DECLARED
>typedef	__intmax_t		intmax_t;
>#define	_INTMAX_T_DECLARED
>#endif
># 87 "/usr/include/sys/_stdint.h" 3 4
>#ifndef _UINTMAX_T_DECLARED
>typedef	__uintmax_t		uintmax_t;
>#define	_UINTMAX_T_DECLARED
>#endif
># 91 "/usr/include/sys/_stdint.h" 3 4
>
>#endif /* !_SYS__STDINT_H_ */
># 93 "/usr/include/sys/_stdint.h" 3 4
># 66 "/usr/include/sys/types.h" 2 3 4
>
>typedef __uint8_t	u_int8_t;	/* unsigned integrals (deprecated) */
>typedef __uint16_t	u_int16_t;
>typedef __uint32_t	u_int32_t;
>typedef __uint64_t	u_int64_t;
>
>typedef	__uint64_t	u_quad_t;	/* quads (deprecated) */
>typedef	__int64_t	quad_t;
>typedef	quad_t *	qaddr_t;
>
>typedef	char *		caddr_t;	/* core address */
>typedef	const char *	c_caddr_t;	/* core address, pointer to const */
>
>#ifndef _BLKSIZE_T_DECLARED
>typedef	__blksize_t	blksize_t;
>#define	_BLKSIZE_T_DECLARED
>#endif
># 83 "/usr/include/sys/types.h" 3 4
>
>typedef	__cpuwhich_t	cpuwhich_t;
>typedef	__cpulevel_t	cpulevel_t;
>typedef	__cpusetid_t	cpusetid_t;
>
>#ifndef _BLKCNT_T_DECLARED
>typedef	__blkcnt_t	blkcnt_t;
>#define	_BLKCNT_T_DECLARED
>#endif
># 92 "/usr/include/sys/types.h" 3 4
>
>#ifndef _CLOCK_T_DECLARED
>typedef	__clock_t	clock_t;
>#define	_CLOCK_T_DECLARED
>#endif
># 97 "/usr/include/sys/types.h" 3 4
>
>#ifndef _CLOCKID_T_DECLARED
>typedef	__clockid_t	clockid_t;
>#define	_CLOCKID_T_DECLARED
>#endif
># 102 "/usr/include/sys/types.h" 3 4
>
>typedef	__critical_t	critical_t;	/* Critical section value */
>typedef	__daddr_t	daddr_t;	/* disk address */
>
>#ifndef _DEV_T_DECLARED
>typedef	__dev_t		dev_t;		/* device number or struct cdev */
>#define	_DEV_T_DECLARED
>#endif
># 110 "/usr/include/sys/types.h" 3 4
>
>#ifndef _FFLAGS_T_DECLARED
>typedef	__fflags_t	fflags_t;	/* file flags */
>#define	_FFLAGS_T_DECLARED
>#endif
># 115 "/usr/include/sys/types.h" 3 4
>
>typedef	__fixpt_t	fixpt_t;	/* fixed point number */
>
>#ifndef _FSBLKCNT_T_DECLARED		/* for statvfs() */
>typedef	__fsblkcnt_t	fsblkcnt_t;
>typedef	__fsfilcnt_t	fsfilcnt_t;
>#define	_FSBLKCNT_T_DECLARED
>#endif
># 123 "/usr/include/sys/types.h" 3 4
>
>#ifndef _GID_T_DECLARED
>typedef	__gid_t		gid_t;		/* group id */
>#define	_GID_T_DECLARED
>#endif
># 128 "/usr/include/sys/types.h" 3 4
>
>#ifndef _IN_ADDR_T_DECLARED
>typedef	__uint32_t	in_addr_t;	/* base type for internet address */
>#define	_IN_ADDR_T_DECLARED
>#endif
># 133 "/usr/include/sys/types.h" 3 4
>
>#ifndef _IN_PORT_T_DECLARED
>typedef	__uint16_t	in_port_t;
>#define	_IN_PORT_T_DECLARED
>#endif
># 138 "/usr/include/sys/types.h" 3 4
>
>#ifndef _ID_T_DECLARED
>typedef	__id_t		id_t;		/* can hold a uid_t or pid_t */
>#define	_ID_T_DECLARED
>#endif
># 143 "/usr/include/sys/types.h" 3 4
>
>#ifndef _INO_T_DECLARED
>typedef	__ino_t		ino_t;		/* inode number */
>#define	_INO_T_DECLARED
>#endif
># 148 "/usr/include/sys/types.h" 3 4
>
>#ifndef _KEY_T_DECLARED
>typedef	__key_t		key_t;		/* IPC key (for Sys V IPC) */
>#define	_KEY_T_DECLARED
>#endif
># 153 "/usr/include/sys/types.h" 3 4
>
>#ifndef _LWPID_T_DECLARED
>typedef	__lwpid_t	lwpid_t;	/* Thread ID (a.k.a. LWP) */
>#define	_LWPID_T_DECLARED
>#endif
># 158 "/usr/include/sys/types.h" 3 4
>
>#ifndef _MODE_T_DECLARED
>typedef	__mode_t	mode_t;		/* permissions */
>#define	_MODE_T_DECLARED
>#endif
># 163 "/usr/include/sys/types.h" 3 4
>
>#ifndef _ACCMODE_T_DECLARED
>typedef	__accmode_t	accmode_t;	/* access permissions */
>#define	_ACCMODE_T_DECLARED
>#endif
># 168 "/usr/include/sys/types.h" 3 4
>
>#ifndef _NLINK_T_DECLARED
>typedef	__nlink_t	nlink_t;	/* link count */
>#define	_NLINK_T_DECLARED
>#endif
># 173 "/usr/include/sys/types.h" 3 4
>
>#ifndef _OFF_T_DECLARED
>typedef	__off_t		off_t;		/* file offset */
>#define	_OFF_T_DECLARED
>#endif
># 178 "/usr/include/sys/types.h" 3 4
>
>#ifndef _OFF64_T_DECLARED
>typedef	__off64_t	off64_t;	/* file offset (alias) */
>#define	_OFF64_T_DECLARED
>#endif
># 183 "/usr/include/sys/types.h" 3 4
>
>#ifndef _PID_T_DECLARED
>typedef	__pid_t		pid_t;		/* process id */
>#define	_PID_T_DECLARED
>#endif
># 188 "/usr/include/sys/types.h" 3 4
>
>typedef	__register_t	register_t;
>
>#ifndef _RLIM_T_DECLARED
>typedef	__rlim_t	rlim_t;		/* resource limit */
>#define	_RLIM_T_DECLARED
>#endif
># 195 "/usr/include/sys/types.h" 3 4
>
>typedef	__int64_t	sbintime_t;
>
>typedef	__segsz_t	segsz_t;	/* segment size (in pages) */
>
>#ifndef _SIZE_T_DECLARED
>typedef	__size_t	size_t;
>#define	_SIZE_T_DECLARED
>#endif
># 204 "/usr/include/sys/types.h" 3 4
>
>#ifndef _SSIZE_T_DECLARED
>typedef	__ssize_t	ssize_t;
>#define	_SSIZE_T_DECLARED
>#endif
># 209 "/usr/include/sys/types.h" 3 4
>
>#ifndef _SUSECONDS_T_DECLARED
>typedef	__suseconds_t	suseconds_t;	/* microseconds (signed) */
>#define	_SUSECONDS_T_DECLARED
>#endif
># 214 "/usr/include/sys/types.h" 3 4
>
>#ifndef _TIME_T_DECLARED
>typedef	__time_t	time_t;
>#define	_TIME_T_DECLARED
>#endif
># 219 "/usr/include/sys/types.h" 3 4
>
>#ifndef _TIMER_T_DECLARED
>typedef	__timer_t	timer_t;
>#define	_TIMER_T_DECLARED
>#endif
># 224 "/usr/include/sys/types.h" 3 4
>
>#ifndef _MQD_T_DECLARED
>typedef	__mqd_t	mqd_t;
>#define	_MQD_T_DECLARED
>#endif
># 229 "/usr/include/sys/types.h" 3 4
>
>typedef	__u_register_t	u_register_t;
>
>#ifndef _UID_T_DECLARED
>typedef	__uid_t		uid_t;		/* user id */
>#define	_UID_T_DECLARED
>#endif
># 236 "/usr/include/sys/types.h" 3 4
>
>#ifndef _USECONDS_T_DECLARED
>typedef	__useconds_t	useconds_t;	/* microseconds (unsigned) */
>#define	_USECONDS_T_DECLARED
>#endif
># 241 "/usr/include/sys/types.h" 3 4
>
>#ifndef _CAP_IOCTL_T_DECLARED
>#define	_CAP_IOCTL_T_DECLARED
>typedef	unsigned long	cap_ioctl_t;
>#endif
># 246 "/usr/include/sys/types.h" 3 4
>
>#ifndef _CAP_RIGHTS_T_DECLARED
>#define	_CAP_RIGHTS_T_DECLARED
>struct cap_rights;
>
>typedef	struct cap_rights	cap_rights_t;
>#endif
># 253 "/usr/include/sys/types.h" 3 4
>
>/*
> * Types suitable for exporting size and pointers (as virtual addresses)
> * from the kernel independent of native word size.  These should be
> * used in place of size_t and (u)intptr_t in structs which contain such
> * types that are shared with userspace.
> */
>typedef	__uint64_t	kvaddr_t;
>typedef	__uint64_t	ksize_t;
>
>typedef	__vm_offset_t	vm_offset_t;
>typedef	__uint64_t	vm_ooffset_t;
>typedef	__vm_paddr_t	vm_paddr_t;
>typedef	__uint64_t	vm_pindex_t;
>typedef	__vm_size_t	vm_size_t;
>
>typedef __rman_res_t    rman_res_t;
>
>#ifdef _KERNEL
>typedef	int		boolean_t;
>typedef	struct device	*device_t;
>typedef	__intfptr_t	intfptr_t;
>
>/*
> * XXX this is fixed width for historical reasons.  It should have had type
> * __int_fast32_t.  Fixed-width types should not be used unless binary
> * compatibility is essential.  Least-width types should be used even less
> * since they provide smaller benefits.
> *
> * XXX should be MD.
> *
> * XXX this is bogus in -current, but still used for spl*().
> */
>typedef	__uint32_t	intrmask_t;	/* Interrupt mask (spl, xxx_imask...) */
>
>typedef	__uintfptr_t	uintfptr_t;
>typedef	__uint64_t	uoff_t;
>typedef	char		vm_memattr_t;	/* memory attribute codes */
>typedef	struct vm_page	*vm_page_t;
>
>#if 0 /* disabled by -frewrite-includes */
>#if !defined(__bool_true_false_are_defined) && !defined(__cplusplus)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 294 "/usr/include/sys/types.h" 3 4
>#define	__bool_true_false_are_defined	1
>#define	false	0
>#define	true	1
>#if 0 /* disabled by -frewrite-includes */
>#if __STDC_VERSION__ < 199901L && __GNUC__ < 3 && !defined(__INTEL_COMPILER)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 298 "/usr/include/sys/types.h" 3 4
>typedef	int	_Bool;
>#endif
># 300 "/usr/include/sys/types.h" 3 4
>typedef	_Bool	bool;
>#endif /* !__bool_true_false_are_defined && !__cplusplus */
># 302 "/usr/include/sys/types.h" 3 4
>
>#define offsetof(type, field) __offsetof(type, field)
>
>#endif /* _KERNEL */
># 306 "/usr/include/sys/types.h" 3 4
>
>/*
> * The following are all things that really shouldn't exist in this header,
> * since its purpose is to provide typedefs, not miscellaneous doodads.
> */
>
>#ifdef __POPCNT__
>#define	__bitcount64(x)	__builtin_popcountll((__uint64_t)(x))
>#define	__bitcount32(x)	__builtin_popcount((__uint32_t)(x))
>#define	__bitcount16(x)	__builtin_popcount((__uint16_t)(x))
>#define	__bitcountl(x)	__builtin_popcountl((unsigned long)(x))
>#define	__bitcount(x)	__builtin_popcount((unsigned int)(x))
>#else
># 319 "/usr/include/sys/types.h" 3 4
>/*
> * Population count algorithm using SWAR approach
> * - "SIMD Within A Register".
> */
>static __inline __uint16_t
>__bitcount16(__uint16_t _x)
>{
>
>	_x = (_x & 0x5555) + ((_x & 0xaaaa) >> 1);
>	_x = (_x & 0x3333) + ((_x & 0xcccc) >> 2);
>	_x = (_x + (_x >> 4)) & 0x0f0f;
>	_x = (_x + (_x >> 8)) & 0x00ff;
>	return (_x);
>}
>
>static __inline __uint32_t
>__bitcount32(__uint32_t _x)
>{
>
>	_x = (_x & 0x55555555) + ((_x & 0xaaaaaaaa) >> 1);
>	_x = (_x & 0x33333333) + ((_x & 0xcccccccc) >> 2);
>	_x = (_x + (_x >> 4)) & 0x0f0f0f0f;
>	_x = (_x + (_x >> 8));
>	_x = (_x + (_x >> 16)) & 0x000000ff;
>	return (_x);
>}
>
>#ifdef __LP64__
>static __inline __uint64_t
>__bitcount64(__uint64_t _x)
>{
>
>	_x = (_x & 0x5555555555555555) + ((_x & 0xaaaaaaaaaaaaaaaa) >> 1);
>	_x = (_x & 0x3333333333333333) + ((_x & 0xcccccccccccccccc) >> 2);
>	_x = (_x + (_x >> 4)) & 0x0f0f0f0f0f0f0f0f;
>	_x = (_x + (_x >> 8));
>	_x = (_x + (_x >> 16));
>	_x = (_x + (_x >> 32)) & 0x000000ff;
>	return (_x);
>}
>
>#define	__bitcountl(x)	__bitcount64((unsigned long)(x))
>#else
># 362 "/usr/include/sys/types.h" 3 4
>static __inline __uint64_t
>__bitcount64(__uint64_t _x)
>{
>
>	return (__bitcount32(_x >> 32) + __bitcount32(_x));
>}
>
>#define	__bitcountl(x)	__bitcount32((unsigned long)(x))
>#endif
># 371 "/usr/include/sys/types.h" 3 4
>#define	__bitcount(x)	__bitcount32((unsigned int)(x))
>#endif
># 373 "/usr/include/sys/types.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 375 "/usr/include/sys/types.h" 3 4
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/select.h>
>#endif /* expanded by -frewrite-includes */
># 376 "/usr/include/sys/types.h" 3 4
># 1 "/usr/include/sys/select.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1992, 1993
> *	The Regents of the University of California.  All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> * $FreeBSD: stable/12/sys/sys/select.h 326023 2017-11-20 19:43:44Z pfg $
> */
>
>#ifndef _SYS_SELECT_H_
>#define	_SYS_SELECT_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 37 "/usr/include/sys/select.h" 3 4
># 38 "/usr/include/sys/select.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_types.h>
>#endif /* expanded by -frewrite-includes */
># 38 "/usr/include/sys/select.h" 3 4
># 39 "/usr/include/sys/select.h" 3 4
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_sigset.h>
>#endif /* expanded by -frewrite-includes */
># 40 "/usr/include/sys/select.h" 3 4
># 1 "/usr/include/sys/_sigset.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1982, 1986, 1989, 1991, 1993
> *	The Regents of the University of California.  All rights reserved.
> * (c) UNIX System Laboratories, Inc.
> * All or some portions of this file are derived from material licensed
> * to the University of California by American Telephone and Telegraph
> * Co. or Unix System Laboratories, Inc. and are reproduced herein with
> * the permission of UNIX System Laboratories, Inc.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)signal.h	8.4 (Berkeley) 5/4/95
> * $FreeBSD: stable/12/sys/sys/_sigset.h 356193 2019-12-30 00:49:49Z kib $
> */
>
>#ifndef _SYS__SIGSET_H_
>#define	_SYS__SIGSET_H_
>
>/*
> * sigset_t macros.
> */
>#define	_SIG_WORDS	4
>#define	_SIG_MAXSIG	128
>#define	_SIG_IDX(sig)	((sig) - 1)
>#define	_SIG_WORD(sig)	(_SIG_IDX(sig) >> 5)
>#define	_SIG_BIT(sig)	(1U << (_SIG_IDX(sig) & 31))
>#define	_SIG_VALID(sig)	((sig) <= _SIG_MAXSIG && (sig) > 0)
>
>typedef struct __sigset {
>	__uint32_t __bits[_SIG_WORDS];
>} __sigset_t;
>
>#if 0 /* disabled by -frewrite-includes */
>#if defined(_KERNEL) && defined(COMPAT_43)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 58 "/usr/include/sys/_sigset.h" 3 4
>typedef unsigned int osigset_t;
>#endif
># 60 "/usr/include/sys/_sigset.h" 3 4
>
>#endif /* !_SYS__SIGSET_H_ */
># 62 "/usr/include/sys/_sigset.h" 3 4
># 41 "/usr/include/sys/select.h" 2 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_timeval.h>
>#endif /* expanded by -frewrite-includes */
># 41 "/usr/include/sys/select.h" 3 4
># 1 "/usr/include/sys/_timeval.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
> *
> * Copyright (c) 2002 Mike Barcroft <mike@FreeBSD.org>
> * All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> *
> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> * $FreeBSD: stable/12/sys/sys/_timeval.h 326256 2017-11-27 15:01:59Z pfg $
> */
>
>#ifndef _SYS__TIMEVAL_H_
>#define _SYS__TIMEVAL_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_types.h>
>#endif /* expanded by -frewrite-includes */
># 34 "/usr/include/sys/_timeval.h" 3 4
># 35 "/usr/include/sys/_timeval.h" 3 4
>
>#ifndef _SUSECONDS_T_DECLARED
>typedef	__suseconds_t	suseconds_t;
>#define	_SUSECONDS_T_DECLARED
>#endif
># 40 "/usr/include/sys/_timeval.h" 3 4
>
>#ifndef _TIME_T_DECLARED
>typedef	__time_t	time_t;
>#define	_TIME_T_DECLARED
>#endif
># 45 "/usr/include/sys/_timeval.h" 3 4
>
>/*
> * Structure returned by gettimeofday(2) system call, and used in other calls.
> */
>struct timeval {
>	time_t		tv_sec;		/* seconds */
>	suseconds_t	tv_usec;	/* and microseconds */
>};
>
>#endif /* !_SYS__TIMEVAL_H_ */
># 55 "/usr/include/sys/_timeval.h" 3 4
># 42 "/usr/include/sys/select.h" 2 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/timespec.h>
>#endif /* expanded by -frewrite-includes */
># 42 "/usr/include/sys/select.h" 3 4
># 1 "/usr/include/sys/timespec.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1982, 1986, 1993
> *	The Regents of the University of California.  All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)time.h	8.5 (Berkeley) 5/4/95
> * from: FreeBSD: src/sys/sys/time.h,v 1.43 2000/03/20 14:09:05 phk Exp
> *	$FreeBSD: stable/12/sys/sys/timespec.h 326023 2017-11-20 19:43:44Z pfg $
> */
>
>#ifndef _SYS_TIMESPEC_H_
>#define _SYS_TIMESPEC_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 39 "/usr/include/sys/timespec.h" 3 4
># 40 "/usr/include/sys/timespec.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_timespec.h>
>#endif /* expanded by -frewrite-includes */
># 40 "/usr/include/sys/timespec.h" 3 4
># 1 "/usr/include/sys/_timespec.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1982, 1986, 1993
> *	The Regents of the University of California.  All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)time.h	8.5 (Berkeley) 5/4/95
> * from: FreeBSD: src/sys/sys/time.h,v 1.43 2000/03/20 14:09:05 phk Exp
> *	$FreeBSD: stable/12/sys/sys/_timespec.h 326023 2017-11-20 19:43:44Z pfg $
> */
>
>#ifndef _SYS__TIMESPEC_H_
>#define	_SYS__TIMESPEC_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_types.h>
>#endif /* expanded by -frewrite-includes */
># 39 "/usr/include/sys/_timespec.h" 3 4
># 40 "/usr/include/sys/_timespec.h" 3 4
>
>#ifndef _TIME_T_DECLARED
>typedef	__time_t	time_t;
>#define	_TIME_T_DECLARED
>#endif
># 45 "/usr/include/sys/_timespec.h" 3 4
>
>struct timespec {
>	time_t	tv_sec;		/* seconds */
>	long	tv_nsec;	/* and nanoseconds */
>};
>
>#endif /* !_SYS__TIMESPEC_H_ */
># 52 "/usr/include/sys/_timespec.h" 3 4
># 41 "/usr/include/sys/timespec.h" 2 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 43 "/usr/include/sys/timespec.h" 3 4
>#define	TIMEVAL_TO_TIMESPEC(tv, ts)					\
>	do {								\
>		(ts)->tv_sec = (tv)->tv_sec;				\
>		(ts)->tv_nsec = (tv)->tv_usec * 1000;			\
>	} while (0)
>#define	TIMESPEC_TO_TIMEVAL(tv, ts)					\
>	do {								\
>		(tv)->tv_sec = (ts)->tv_sec;				\
>		(tv)->tv_usec = (ts)->tv_nsec / 1000;			\
>	} while (0)
>
>#endif /* __BSD_VISIBLE */
># 55 "/usr/include/sys/timespec.h" 3 4
>
>/*
> * Structure defined by POSIX.1b to be like a itimerval, but with
> * timespecs. Used in the timer_*() system calls.
> */
>struct itimerspec {
>	struct timespec  it_interval;
>	struct timespec  it_value;
>};
>
>#endif /* _SYS_TIMESPEC_H_ */
># 66 "/usr/include/sys/timespec.h" 3 4
># 43 "/usr/include/sys/select.h" 2 3 4
>
>typedef	unsigned long	__fd_mask;
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 46 "/usr/include/sys/select.h" 3 4
>typedef	__fd_mask	fd_mask;
>#endif
># 48 "/usr/include/sys/select.h" 3 4
>
>#ifndef _SIGSET_T_DECLARED
>#define	_SIGSET_T_DECLARED
>typedef	__sigset_t	sigset_t;
>#endif
># 53 "/usr/include/sys/select.h" 3 4
>
>/*
> * Select uses bit masks of file descriptors in longs.  These macros
> * manipulate such bit fields (the filesystem macros use chars).
> * FD_SETSIZE may be defined by the user, but the default here should
> * be enough for most uses.
> */
>#ifndef	FD_SETSIZE
>#define	FD_SETSIZE	1024
>#endif
># 63 "/usr/include/sys/select.h" 3 4
>
>#define	_NFDBITS	(sizeof(__fd_mask) * 8)	/* bits per mask */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 66 "/usr/include/sys/select.h" 3 4
>#define	NFDBITS		_NFDBITS
>#endif
># 68 "/usr/include/sys/select.h" 3 4
>
>#ifndef _howmany
>#define	_howmany(x, y)	(((x) + ((y) - 1)) / (y))
>#endif
># 72 "/usr/include/sys/select.h" 3 4
>
>typedef	struct fd_set {
>	__fd_mask	__fds_bits[_howmany(FD_SETSIZE, _NFDBITS)];
>} fd_set;
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 77 "/usr/include/sys/select.h" 3 4
>#define	fds_bits	__fds_bits
>#endif
># 79 "/usr/include/sys/select.h" 3 4
>
>#define	__fdset_mask(n)	((__fd_mask)1 << ((n) % _NFDBITS))
>#define	FD_CLR(n, p)	((p)->__fds_bits[(n)/_NFDBITS] &= ~__fdset_mask(n))
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 83 "/usr/include/sys/select.h" 3 4
>#define	FD_COPY(f, t)	(void)(*(t) = *(f))
>#endif
># 85 "/usr/include/sys/select.h" 3 4
>#define	FD_ISSET(n, p)	(((p)->__fds_bits[(n)/_NFDBITS] & __fdset_mask(n)) != 0)
>#define	FD_SET(n, p)	((p)->__fds_bits[(n)/_NFDBITS] |= __fdset_mask(n))
>#define	FD_ZERO(p) do {					\
>	fd_set *_p;					\
>	__size_t _n;					\
>							\
>	_p = (p);					\
>	_n = _howmany(FD_SETSIZE, _NFDBITS);		\
>	while (_n > 0)					\
>		_p->__fds_bits[--_n] = 0;		\
>} while (0)
>
>#ifndef _KERNEL
>
>__BEGIN_DECLS
>int pselect(int, fd_set *__restrict, fd_set *__restrict, fd_set *__restrict,
>	const struct timespec *__restrict, const sigset_t *__restrict);
>#ifndef _SELECT_DECLARED
>#define	_SELECT_DECLARED
>/* XXX missing restrict type-qualifier */
>int	select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
>#endif
># 107 "/usr/include/sys/select.h" 3 4
>__END_DECLS
>#endif /* !_KERNEL */
># 109 "/usr/include/sys/select.h" 3 4
>
>#endif /* _SYS_SELECT_H_ */
># 111 "/usr/include/sys/select.h" 3 4
># 377 "/usr/include/sys/types.h" 2 3 4
>
>/*
> * The major and minor numbers are encoded in dev_t as MMMmmmMm (where
> * letters correspond to bytes).  The encoding of the lower 4 bytes is
> * constrained by compatibility with 16-bit and 32-bit dev_t's.  The
> * encoding of of the upper 4 bytes is the least unnatural one consistent
> * with this and other constraints.  Also, the decoding of the m bytes by
> * minor() is unnatural to maximize compatibility subject to not discarding
> * bits.  The upper m byte is shifted into the position of the lower M byte
> * instead of shifting 3 upper m bytes to close the gap.  Compatibility for
> * minor() is achieved iff the upper m byte is 0.
> */
>#define	major(d)	__major(d)
>static __inline int
>__major(dev_t _d)
>{
>	return (((_d >> 32) & 0xffffff00) | ((_d >> 8) & 0xff));
>}
>#define	minor(d)	__minor(d)
>static __inline int
>__minor(dev_t _d)
>{
>	return (((_d >> 24) & 0xff00) | (_d & 0xffff00ff));
>}
>#define	makedev(M, m)	__makedev((M), (m))
>static __inline dev_t
>__makedev(int _M, int _m)
>{
>	return (((dev_t)(_M & 0xffffff00) << 32) | ((_M & 0xff) << 8) |
>	    ((dev_t)(_m & 0xff00) << 24) | (_m & 0xffff00ff));
>}
>
>/*
> * These declarations belong elsewhere, but are repeated here and in
> * <stdio.h> to give broken programs a better chance of working with
> * 64-bit off_t's.
> */
>#ifndef _KERNEL
>__BEGIN_DECLS
>#ifndef _FTRUNCATE_DECLARED
>#define	_FTRUNCATE_DECLARED
>int	 ftruncate(int, off_t);
>#endif
># 420 "/usr/include/sys/types.h" 3 4
>#ifndef _LSEEK_DECLARED
>#define	_LSEEK_DECLARED
>off_t	 lseek(int, off_t, int);
>#endif
># 424 "/usr/include/sys/types.h" 3 4
>#ifndef _MMAP_DECLARED
>#define	_MMAP_DECLARED
>void *	 mmap(void *, size_t, int, int, int, off_t);
>#endif
># 428 "/usr/include/sys/types.h" 3 4
>#ifndef _TRUNCATE_DECLARED
>#define	_TRUNCATE_DECLARED
>int	 truncate(const char *, off_t);
>#endif
># 432 "/usr/include/sys/types.h" 3 4
>__END_DECLS
>#endif /* !_KERNEL */
># 434 "/usr/include/sys/types.h" 3 4
>
>#endif /* __BSD_VISIBLE */
># 436 "/usr/include/sys/types.h" 3 4
>
>#endif /* !_SYS_TYPES_H_ */
># 438 "/usr/include/sys/types.h" 3 4
># 97 "/usr/include/sys/param.h" 2 3 4
>#endif
># 98 "/usr/include/sys/param.h" 3 4
>
>/*
> * Machine-independent constants (some used in following include files).
> * Redefined constants are from POSIX 1003.1 limits file.
> *
> * MAXCOMLEN should be >= sizeof(ac_comm) (see <acct.h>)
> */
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/syslimits.h>
>#endif /* expanded by -frewrite-includes */
># 105 "/usr/include/sys/param.h" 3 4
># 1 "/usr/include/sys/syslimits.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1988, 1993
> *	The Regents of the University of California.  All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)syslimits.h	8.1 (Berkeley) 6/2/93
> * $FreeBSD: stable/12/sys/sys/syslimits.h 355968 2019-12-21 02:40:40Z pfg $
> */
>
>#ifndef _SYS_SYSLIMITS_H_
>#define _SYS_SYSLIMITS_H_
>
>#if 0 /* disabled by -frewrite-includes */
>#if !defined(_STANDALONE) && !defined(_KERNEL) && !defined(_LIMITS_H_) && !defined(_SYS_PARAM_H_)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 39 "/usr/include/sys/syslimits.h" 3 4
>#ifndef _SYS_CDEFS_H_
>#error this file needs sys/cdefs.h as a prerequisite
>#endif
># 42 "/usr/include/sys/syslimits.h" 3 4
>#ifdef __CC_SUPPORTS_WARNING
>#warning "No user-serviceable parts inside."
>#endif
># 45 "/usr/include/sys/syslimits.h" 3 4
>#endif
># 46 "/usr/include/sys/syslimits.h" 3 4
>
>/*
> * Do not add any new variables here.  (See the comment at the end of
> * the file for why.)
> */
>#ifndef __ILP32__
>#define	ARG_MAX	      (2 * 256 * 1024)	/* max bytes for an exec function */
>#else
># 54 "/usr/include/sys/syslimits.h" 3 4
>#define	ARG_MAX		  (256 * 1024)	/* max bytes for KVA-starved archs */
>#endif
># 56 "/usr/include/sys/syslimits.h" 3 4
>#ifndef CHILD_MAX
>#define	CHILD_MAX		   40	/* max simultaneous processes */
>#endif
># 59 "/usr/include/sys/syslimits.h" 3 4
>#define	MAX_CANON		  255	/* max bytes in term canon input line */
>#define	MAX_INPUT		  255	/* max bytes in terminal input */
>#define	NAME_MAX		  255	/* max bytes in a file name */
>#ifndef NGROUPS_MAX
>#define	NGROUPS_MAX	 	 1023	/* max supplemental group id's */
>#endif
># 65 "/usr/include/sys/syslimits.h" 3 4
>#ifndef OPEN_MAX
>#define	OPEN_MAX		   64	/* max open files per process */
>#endif
># 68 "/usr/include/sys/syslimits.h" 3 4
>#define	PATH_MAX		 1024	/* max bytes in pathname */
>#define	PIPE_BUF		  512	/* max bytes for atomic pipe writes */
>#define	IOV_MAX			 1024	/* max elements in i/o vector */
>
>/*
> * We leave the following values undefined to force applications to either
> * assume conservative values or call sysconf() to get the current value.
> *
> * HOST_NAME_MAX
> *
> * (We should do this for most of the values currently defined here,
> * but many programs are not prepared to deal with this yet.)
> */
>#endif
># 82 "/usr/include/sys/syslimits.h" 3 4
># 106 "/usr/include/sys/param.h" 2 3 4
>
>#define	MAXCOMLEN	19		/* max command name remembered */
>#define	MAXINTERP	PATH_MAX	/* max interpreter file name length */
>#define	MAXLOGNAME	33		/* max login name length (incl. NUL) */
>#define	MAXUPRC		CHILD_MAX	/* max simultaneous processes */
>#define	NCARGS		ARG_MAX		/* max bytes for an exec function */
>#define	NGROUPS		(NGROUPS_MAX+1)	/* max number groups */
>#define	NOFILE		OPEN_MAX	/* max open files per process */
>#define	NOGROUP		65535		/* marker for empty group set member */
>#define MAXHOSTNAMELEN	256		/* max hostname size */
>#define SPECNAMELEN	63		/* max length of devicename */
>
>/* More types and definitions used throughout the kernel. */
>#ifdef _KERNEL
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 120 "/usr/include/sys/param.h" 3 4
># 121 "/usr/include/sys/param.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/errno.h>
>#endif /* expanded by -frewrite-includes */
># 121 "/usr/include/sys/param.h" 3 4
># 122 "/usr/include/sys/param.h" 3 4
>#ifndef LOCORE
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/time.h>
>#endif /* expanded by -frewrite-includes */
># 123 "/usr/include/sys/param.h" 3 4
># 124 "/usr/include/sys/param.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/priority.h>
>#endif /* expanded by -frewrite-includes */
># 124 "/usr/include/sys/param.h" 3 4
># 125 "/usr/include/sys/param.h" 3 4
>#endif
># 126 "/usr/include/sys/param.h" 3 4
>
>#ifndef FALSE
>#define	FALSE	0
>#endif
># 130 "/usr/include/sys/param.h" 3 4
>#ifndef TRUE
>#define	TRUE	1
>#endif
># 133 "/usr/include/sys/param.h" 3 4
>#endif
># 134 "/usr/include/sys/param.h" 3 4
>
>#ifndef _KERNEL
>/* Signals. */
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/signal.h>
>#endif /* expanded by -frewrite-includes */
># 137 "/usr/include/sys/param.h" 3 4
># 1 "/usr/include/sys/signal.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1982, 1986, 1989, 1991, 1993
> *	The Regents of the University of California.  All rights reserved.
> * (c) UNIX System Laboratories, Inc.
> * All or some portions of this file are derived from material licensed
> * to the University of California by American Telephone and Telegraph
> * Co. or Unix System Laboratories, Inc. and are reproduced herein with
> * the permission of UNIX System Laboratories, Inc.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)signal.h	8.4 (Berkeley) 5/4/95
> * $FreeBSD: stable/12/sys/sys/signal.h 353102 2019-10-04 12:18:03Z kib $
> */
>
>#ifndef _SYS_SIGNAL_H_
>#define	_SYS_SIGNAL_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 43 "/usr/include/sys/signal.h" 3 4
># 44 "/usr/include/sys/signal.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_types.h>
>#endif /* expanded by -frewrite-includes */
># 44 "/usr/include/sys/signal.h" 3 4
># 45 "/usr/include/sys/signal.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_sigset.h>
>#endif /* expanded by -frewrite-includes */
># 45 "/usr/include/sys/signal.h" 3 4
># 46 "/usr/include/sys/signal.h" 3 4
>
>#if 0 /* expanded by -frewrite-includes */
>#include <machine/_limits.h>	/* __MINSIGSTKSZ */
>#endif /* expanded by -frewrite-includes */
># 47 "/usr/include/sys/signal.h" 3 4
># 1 "/usr/include/machine/_limits.h" 1 3 4
>/*-
> * This file is in the public domain.
> */
>/* $FreeBSD: stable/12/sys/amd64/include/_limits.h 232262 2012-02-28 18:24:28Z tijl $ */
>
>#if 0 /* expanded by -frewrite-includes */
>#include <x86/_limits.h>
>#endif /* expanded by -frewrite-includes */
># 6 "/usr/include/machine/_limits.h" 3 4
># 7 "/usr/include/machine/_limits.h" 3 4
># 48 "/usr/include/sys/signal.h" 2 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <machine/signal.h>	/* sig_atomic_t; trap codes; sigcontext */
>#endif /* expanded by -frewrite-includes */
># 48 "/usr/include/sys/signal.h" 3 4
># 1 "/usr/include/machine/signal.h" 1 3 4
>/*-
> * This file is in the public domain.
> */
>/* $FreeBSD: stable/12/sys/amd64/include/signal.h 247047 2013-02-20 17:39:52Z kib $ */
>
>#if 0 /* expanded by -frewrite-includes */
>#include <x86/signal.h>
>#endif /* expanded by -frewrite-includes */
># 6 "/usr/include/machine/signal.h" 3 4
># 1 "/usr/include/x86/signal.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1986, 1989, 1991, 1993
> *	The Regents of the University of California.  All rights reserved.
> * Copyright (c) 2003 Peter Wemm.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)signal.h	8.1 (Berkeley) 6/11/93
> * $FreeBSD: stable/12/sys/x86/include/signal.h 331650 2018-03-27 20:57:51Z jhb $
> */
>
>#ifndef _X86_SIGNAL_H
>#define	_X86_SIGNAL_H 1
>
>/*
> * Machine-dependent signal definitions
> */
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 43 "/usr/include/x86/signal.h" 3 4
># 44 "/usr/include/x86/signal.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_sigset.h>
>#endif /* expanded by -frewrite-includes */
># 44 "/usr/include/x86/signal.h" 3 4
># 45 "/usr/include/x86/signal.h" 3 4
>
>#ifdef __i386__
>typedef int sig_atomic_t;
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 50 "/usr/include/x86/signal.h" 3 4
>struct sigcontext {
>	struct __sigset sc_mask;	/* signal mask to restore */
>	int	sc_onstack;		/* sigstack state to restore */
>	int	sc_gs;			/* machine state (struct trapframe) */
>	int	sc_fs;
>	int	sc_es;
>	int	sc_ds;
>	int	sc_edi;
>	int	sc_esi;
>	int	sc_ebp;
>	int	sc_isp;
>	int	sc_ebx;
>	int	sc_edx;
>	int	sc_ecx;
>	int	sc_eax;
>	int	sc_trapno;
>	int	sc_err;
>	int	sc_eip;
>	int	sc_cs;
>	int	sc_efl;
>	int	sc_esp;
>	int	sc_ss;
>	int	sc_len;			/* sizeof(mcontext_t) */
>	/*
>	 * See <machine/ucontext.h> and <machine/npx.h> for
>	 * the following fields.
>	 */
>	int	sc_fpformat;
>	int	sc_ownedfp;
>	int	sc_flags;
>	int	sc_fpstate[128] __aligned(16);
>
>	int	sc_fsbase;
>	int	sc_gsbase;
>
>	int	sc_xfpustate;
>	int	sc_xfpustate_len;
>
>	int	sc_spare2[4];
>};
>
>#define	sc_sp		sc_esp
>#define	sc_fp		sc_ebp
>#define	sc_pc		sc_eip
>#define	sc_ps		sc_efl
>#define	sc_eflags	sc_efl
>
>#endif /* __BSD_VISIBLE */
># 98 "/usr/include/x86/signal.h" 3 4
>#endif /* __i386__ */
># 99 "/usr/include/x86/signal.h" 3 4
>
>#ifdef __amd64__
>typedef long sig_atomic_t;
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 104 "/usr/include/x86/signal.h" 3 4
>/*
> * Information pushed on stack when a signal is delivered.
> * This is used by the kernel to restore state following
> * execution of the signal handler.  It is also made available
> * to the handler to allow it to restore state properly if
> * a non-standard exit is performed.
> *
> * The sequence of the fields/registers after sc_mask in struct
> * sigcontext must match those in mcontext_t and struct trapframe.
> */
>struct sigcontext {
>	struct __sigset sc_mask;	/* signal mask to restore */
>	long	sc_onstack;		/* sigstack state to restore */
>	long	sc_rdi;		/* machine state (struct trapframe) */
>	long	sc_rsi;
>	long	sc_rdx;
>	long	sc_rcx;
>	long	sc_r8;
>	long	sc_r9;
>	long	sc_rax;
>	long	sc_rbx;
>	long	sc_rbp;
>	long	sc_r10;
>	long	sc_r11;
>	long	sc_r12;
>	long	sc_r13;
>	long	sc_r14;
>	long	sc_r15;
>	int	sc_trapno;
>	short	sc_fs;
>	short	sc_gs;
>	long	sc_addr;
>	int	sc_flags;
>	short	sc_es;
>	short	sc_ds;
>	long	sc_err;
>	long	sc_rip;
>	long	sc_cs;
>	long	sc_rflags;
>	long	sc_rsp;
>	long	sc_ss;
>	long	sc_len;			/* sizeof(mcontext_t) */
>	/*
>	 * See <machine/ucontext.h> and <machine/fpu.h> for the following
>	 * fields.
>	 */
>	long	sc_fpformat;
>	long	sc_ownedfp;
>	long	sc_fpstate[64] __aligned(16);
>
>	long	sc_fsbase;
>	long	sc_gsbase;
>
>	long	sc_xfpustate;
>	long	sc_xfpustate_len;
>
>	long	sc_spare[4];
>};
>#endif /* __BSD_VISIBLE */
># 163 "/usr/include/x86/signal.h" 3 4
>#endif /* __amd64__ */
># 164 "/usr/include/x86/signal.h" 3 4
>
>#endif
># 166 "/usr/include/x86/signal.h" 3 4
># 7 "/usr/include/machine/signal.h" 2 3 4
># 49 "/usr/include/sys/signal.h" 2 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200809
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 51 "/usr/include/sys/signal.h" 3 4
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_pthreadtypes.h>
>#endif /* expanded by -frewrite-includes */
># 52 "/usr/include/sys/signal.h" 3 4
># 53 "/usr/include/sys/signal.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_timespec.h>
>#endif /* expanded by -frewrite-includes */
># 53 "/usr/include/sys/signal.h" 3 4
># 54 "/usr/include/sys/signal.h" 3 4
>
>#ifndef _SIZE_T_DECLARED
>typedef	__size_t	size_t;
>#define	_SIZE_T_DECLARED
>#endif
># 59 "/usr/include/sys/signal.h" 3 4
>
>#ifndef _UID_T_DECLARED
>typedef	__uid_t		uid_t;
>#define	_UID_T_DECLARED
>#endif
># 64 "/usr/include/sys/signal.h" 3 4
>
>#endif /* __POSIX_VISIBLE >= 200809 */
># 66 "/usr/include/sys/signal.h" 3 4
>
>/*
> * System defined signals.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 71 "/usr/include/sys/signal.h" 3 4
>#define	SIGHUP		1	/* hangup */
>#endif
># 73 "/usr/include/sys/signal.h" 3 4
>#define	SIGINT		2	/* interrupt */
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 75 "/usr/include/sys/signal.h" 3 4
>#define	SIGQUIT		3	/* quit */
>#endif
># 77 "/usr/include/sys/signal.h" 3 4
>#define	SIGILL		4	/* illegal instr. (not reset when caught) */
>#if 0 /* disabled by -frewrite-includes */
>#if __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 79 "/usr/include/sys/signal.h" 3 4
>#define	SIGTRAP		5	/* trace trap (not reset when caught) */
>#endif
># 81 "/usr/include/sys/signal.h" 3 4
>#define	SIGABRT		6	/* abort() */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 83 "/usr/include/sys/signal.h" 3 4
>#define	SIGIOT		SIGABRT	/* compatibility */
>#define	SIGEMT		7	/* EMT instruction */
>#endif
># 86 "/usr/include/sys/signal.h" 3 4
>#define	SIGFPE		8	/* floating point exception */
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 88 "/usr/include/sys/signal.h" 3 4
>#define	SIGKILL		9	/* kill (cannot be caught or ignored) */
>#endif
># 90 "/usr/include/sys/signal.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 91 "/usr/include/sys/signal.h" 3 4
>#define	SIGBUS		10	/* bus error */
>#endif
># 93 "/usr/include/sys/signal.h" 3 4
>#define	SIGSEGV		11	/* segmentation violation */
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 95 "/usr/include/sys/signal.h" 3 4
>#define	SIGSYS		12	/* non-existent system call invoked */
>#endif
># 97 "/usr/include/sys/signal.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 98 "/usr/include/sys/signal.h" 3 4
>#define	SIGPIPE		13	/* write on a pipe with no one to read it */
>#define	SIGALRM		14	/* alarm clock */
>#endif
># 101 "/usr/include/sys/signal.h" 3 4
>#define	SIGTERM		15	/* software termination signal from kill */
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 103 "/usr/include/sys/signal.h" 3 4
>#define	SIGURG		16	/* urgent condition on IO channel */
>#endif
># 105 "/usr/include/sys/signal.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 106 "/usr/include/sys/signal.h" 3 4
>#define	SIGSTOP		17	/* sendable stop signal not from tty */
>#define	SIGTSTP		18	/* stop signal from tty */
>#define	SIGCONT		19	/* continue a stopped process */
>#define	SIGCHLD		20	/* to parent on child stop or exit */
>#define	SIGTTIN		21	/* to readers pgrp upon background tty read */
>#define	SIGTTOU		22	/* like TTIN if (tp->t_local&LTOSTOP) */
>#endif
># 113 "/usr/include/sys/signal.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 114 "/usr/include/sys/signal.h" 3 4
>#define	SIGIO		23	/* input/output possible signal */
>#endif
># 116 "/usr/include/sys/signal.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 117 "/usr/include/sys/signal.h" 3 4
>#define	SIGXCPU		24	/* exceeded CPU time limit */
>#define	SIGXFSZ		25	/* exceeded file size limit */
>#define	SIGVTALRM	26	/* virtual time alarm */
>#define	SIGPROF		27	/* profiling time alarm */
>#endif
># 122 "/usr/include/sys/signal.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 123 "/usr/include/sys/signal.h" 3 4
>#define	SIGWINCH	28	/* window size changes */
>#define	SIGINFO		29	/* information request */
>#endif
># 126 "/usr/include/sys/signal.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 127 "/usr/include/sys/signal.h" 3 4
>#define	SIGUSR1		30	/* user defined signal 1 */
>#define	SIGUSR2		31	/* user defined signal 2 */
>#endif
># 130 "/usr/include/sys/signal.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 131 "/usr/include/sys/signal.h" 3 4
>#define	SIGTHR		32	/* reserved by thread library. */
>#define	SIGLWP		SIGTHR
>#define	SIGLIBRT	33	/* reserved by real-time library. */
>#endif
># 135 "/usr/include/sys/signal.h" 3 4
>
>#define	SIGRTMIN	65
>#define	SIGRTMAX	126
>
>#define	SIG_DFL		((__sighandler_t *)0)
>#define	SIG_IGN		((__sighandler_t *)1)
>#define	SIG_ERR		((__sighandler_t *)-1)
>/* #define	SIG_CATCH	((__sighandler_t *)2) See signalvar.h */
>#define SIG_HOLD        ((__sighandler_t *)3)
>
>/*
> * Type of a signal handling function.
> *
> * Language spec sez signal handlers take exactly one arg, even though we
> * actually supply three.  Ugh!
> *
> * We don't try to hide the difference by leaving out the args because
> * that would cause warnings about conformant programs.  Nonconformant
> * programs can avoid the warnings by casting to (__sighandler_t *) or
> * sig_t before calling signal() or assigning to sa_handler or sv_handler.
> *
> * The kernel should reverse the cast before calling the function.  It
> * has no way to do this, but on most machines 1-arg and 3-arg functions
> * have the same calling protocol so there is no problem in practice.
> * A bit in sa_flags could be used to specify the number of args.
> */
>typedef	void __sighandler_t(int);
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 164 "/usr/include/sys/signal.h" 3 4
>#ifndef _SIGSET_T_DECLARED
>#define	_SIGSET_T_DECLARED
>typedef	__sigset_t	sigset_t;
>#endif
># 168 "/usr/include/sys/signal.h" 3 4
>#endif
># 169 "/usr/include/sys/signal.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 199309 || __XSI_VISIBLE >= 500
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 171 "/usr/include/sys/signal.h" 3 4
>union sigval {
>	/* Members as suggested by Annex C of POSIX 1003.1b. */
>	int	sival_int;
>	void	*sival_ptr;
>	/* 6.0 compatibility */
>	int     sigval_int;
>	void    *sigval_ptr;
>};
>
>#if 0 /* disabled by -frewrite-includes */
>#if defined(_WANT_LWPINFO32) || (defined(_KERNEL) && defined(__LP64__))
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 181 "/usr/include/sys/signal.h" 3 4
>union sigval32 {
>	int	sival_int;
>	uint32_t sival_ptr;
>	/* 6.0 compatibility */
>	int	sigval_int;
>	uint32_t sigval_ptr;
>};
>#endif
># 189 "/usr/include/sys/signal.h" 3 4
>#endif
># 190 "/usr/include/sys/signal.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 199309
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 192 "/usr/include/sys/signal.h" 3 4
>
>struct pthread_attr;
>
>struct sigevent {
>	int	sigev_notify;		/* Notification type */
>	int	sigev_signo;		/* Signal number */
>	union sigval sigev_value;	/* Signal value */
>	union {
>		__lwpid_t	_threadid;
>		struct {
>			void (*_function)(union sigval);
>			struct pthread_attr **_attribute;
>		} _sigev_thread;
>		unsigned short _kevent_flags;
>		long __spare__[8];
>	} _sigev_un;
>};
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 211 "/usr/include/sys/signal.h" 3 4
>#define	sigev_notify_kqueue		sigev_signo
>#define	sigev_notify_kevent_flags	_sigev_un._kevent_flags
>#define	sigev_notify_thread_id		_sigev_un._threadid
>#endif
># 215 "/usr/include/sys/signal.h" 3 4
>#define	sigev_notify_function		_sigev_un._sigev_thread._function
>#define	sigev_notify_attributes		_sigev_un._sigev_thread._attribute
>
>#define	SIGEV_NONE	0		/* No async notification. */
>#define	SIGEV_SIGNAL	1		/* Generate a queued signal. */
>#define	SIGEV_THREAD	2		/* Call back from another pthread. */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 222 "/usr/include/sys/signal.h" 3 4
>#define	SIGEV_KEVENT	3		/* Generate a kevent. */
>#define	SIGEV_THREAD_ID	4		/* Send signal to a kernel thread. */
>#endif
># 225 "/usr/include/sys/signal.h" 3 4
>
>#endif /* __POSIX_VISIBLE >= 199309 */
># 227 "/usr/include/sys/signal.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 199309 || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 229 "/usr/include/sys/signal.h" 3 4
>typedef	struct __siginfo {
>	int	si_signo;		/* signal number */
>	int	si_errno;		/* errno association */
>	/*
>	 * Cause of signal, one of the SI_ macros or signal-specific
>	 * values, i.e. one of the FPE_... values for SIGFPE.  This
>	 * value is equivalent to the second argument to an old-style
>	 * FreeBSD signal handler.
>	 */
>	int	si_code;		/* signal code */
>	__pid_t	si_pid;			/* sending process */
>	__uid_t	si_uid;			/* sender's ruid */
>	int	si_status;		/* exit value */
>	void	*si_addr;		/* faulting instruction */
>	union sigval si_value;		/* signal value */
>	union	{
>		struct {
>			int	_trapno;/* machine specific trap code */
>		} _fault;
>		struct {
>			int	_timerid;
>			int	_overrun;
>		} _timer;
>		struct {
>			int	_mqd;
>		} _mesgq;
>		struct {
>			long	_band;		/* band event for SIGPOLL */
>		} _poll;			/* was this ever used ? */
>		struct {
>			long	__spare1__;
>			int	__spare2__[7];
>		} __spare__;
>	} _reason;
>} siginfo_t;
>
>#define si_trapno	_reason._fault._trapno
>#define si_timerid	_reason._timer._timerid
>#define si_overrun	_reason._timer._overrun
>#define si_mqd		_reason._mesgq._mqd
>#define si_band		_reason._poll._band
>
>#if 0 /* disabled by -frewrite-includes */
>#if defined(_WANT_LWPINFO32) || (defined(_KERNEL) && defined(__LP64__))
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 272 "/usr/include/sys/signal.h" 3 4
>struct siginfo32 {
>	int	si_signo;		/* signal number */
>	int	si_errno;		/* errno association */
>	int	si_code;		/* signal code */
>	__pid_t	si_pid;			/* sending process */
>	__uid_t	si_uid;			/* sender's ruid */
>	int	si_status;		/* exit value */
>	uint32_t si_addr;		/* faulting instruction */
>	union sigval32 si_value;	/* signal value */
>	union	{
>		struct {
>			int	_trapno;/* machine specific trap code */
>		} _fault;
>		struct {
>			int	_timerid;
>			int	_overrun;
>		} _timer;
>		struct {
>			int	_mqd;
>		} _mesgq;
>		struct {
>			int32_t	_band;		/* band event for SIGPOLL */
>		} _poll;			/* was this ever used ? */
>		struct {
>			int32_t	__spare1__;
>			int	__spare2__[7];
>		} __spare__;
>	} _reason;
>};
>#endif
># 302 "/usr/include/sys/signal.h" 3 4
>
>/** si_code **/
>/* codes for SIGILL */
>#define ILL_ILLOPC 	1	/* Illegal opcode.			*/
>#define ILL_ILLOPN 	2	/* Illegal operand.			*/
>#define ILL_ILLADR 	3	/* Illegal addressing mode.		*/
>#define ILL_ILLTRP 	4	/* Illegal trap.			*/
>#define ILL_PRVOPC 	5	/* Privileged opcode.			*/
>#define ILL_PRVREG 	6	/* Privileged register.			*/
>#define ILL_COPROC 	7	/* Coprocessor error.			*/
>#define ILL_BADSTK 	8	/* Internal stack error.		*/
>
>/* codes for SIGBUS */
>#define BUS_ADRALN	1	/* Invalid address alignment.		*/
>#define BUS_ADRERR	2	/* Nonexistent physical address.	*/
>#define BUS_OBJERR	3	/* Object-specific hardware error.	*/
>#define BUS_OOMERR	100	/* Non-standard: No memory.		*/
>
>/* codes for SIGSEGV */
>#define SEGV_MAPERR	1	/* Address not mapped to object.	*/
>#define SEGV_ACCERR	2	/* Invalid permissions for mapped	*/
>				/* object.				*/
>#define	SEGV_PKUERR	100	/* x86: PKU violation			*/
>
>/* codes for SIGFPE */
>#define FPE_INTOVF	1	/* Integer overflow.			*/
>#define FPE_INTDIV	2	/* Integer divide by zero.		*/
>#define FPE_FLTDIV	3	/* Floating point divide by zero.	*/
>#define FPE_FLTOVF	4	/* Floating point overflow.		*/
>#define FPE_FLTUND	5	/* Floating point underflow.		*/
>#define FPE_FLTRES	6	/* Floating point inexact result.	*/
>#define FPE_FLTINV	7	/* Invalid floating point operation.	*/
>#define FPE_FLTSUB	8	/* Subscript out of range.		*/
>
>/* codes for SIGTRAP */
>#define TRAP_BRKPT	1	/* Process breakpoint.			*/
>#define TRAP_TRACE	2	/* Process trace trap.			*/
>#define	TRAP_DTRACE	3	/* DTrace induced trap.			*/
>#define	TRAP_CAP	4	/* Capabilities protective trap.	*/
>
>/* codes for SIGCHLD */
>#define CLD_EXITED	1	/* Child has exited			*/
>#define CLD_KILLED	2	/* Child has terminated abnormally but	*/
>				/* did not create a core file		*/
>#define CLD_DUMPED	3	/* Child has terminated abnormally and	*/
>				/* created a core file			*/
>#define CLD_TRAPPED	4	/* Traced child has trapped		*/
>#define CLD_STOPPED	5	/* Child has stopped			*/
>#define CLD_CONTINUED	6	/* Stopped child has continued		*/
>
>/* codes for SIGPOLL */
>#define POLL_IN		1	/* Data input available			*/
>#define POLL_OUT	2	/* Output buffers available		*/
>#define POLL_MSG	3	/* Input message available		*/
>#define POLL_ERR	4	/* I/O Error				*/
>#define POLL_PRI	5	/* High priority input available	*/
>#define POLL_HUP	6	/* Device disconnected			*/
>
>#endif
># 361 "/usr/include/sys/signal.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 363 "/usr/include/sys/signal.h" 3 4
>struct __siginfo;
>
>/*
> * Signal vector "template" used in sigaction call.
> */
>struct sigaction {
>	union {
>		void    (*__sa_handler)(int);
>		void    (*__sa_sigaction)(int, struct __siginfo *, void *);
>	} __sigaction_u;		/* signal handler */
>	int	sa_flags;		/* see signal options below */
>	sigset_t sa_mask;		/* signal mask to apply */
>};
>
>#define	sa_handler	__sigaction_u.__sa_handler
>#endif
># 379 "/usr/include/sys/signal.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 381 "/usr/include/sys/signal.h" 3 4
>/* If SA_SIGINFO is set, sa_sigaction must be used instead of sa_handler. */
>#define	sa_sigaction	__sigaction_u.__sa_sigaction
>#endif
># 384 "/usr/include/sys/signal.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 386 "/usr/include/sys/signal.h" 3 4
>#define	SA_NOCLDSTOP	0x0008	/* do not generate SIGCHLD on child stop */
>#endif /* __POSIX_VISIBLE || __XSI_VISIBLE */
># 388 "/usr/include/sys/signal.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 390 "/usr/include/sys/signal.h" 3 4
>#define	SA_ONSTACK	0x0001	/* take signal on signal stack */
>#define	SA_RESTART	0x0002	/* restart system call on signal return */
>#define	SA_RESETHAND	0x0004	/* reset to SIG_DFL when taking signal */
>#define	SA_NODEFER	0x0010	/* don't mask the signal we're delivering */
>#define	SA_NOCLDWAIT	0x0020	/* don't keep zombies around */
>#define	SA_SIGINFO	0x0040	/* signal handler with SA_SIGINFO args */
>#endif
># 397 "/usr/include/sys/signal.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 399 "/usr/include/sys/signal.h" 3 4
>#define	NSIG		32	/* number of old signals (counting 0) */
>#endif
># 401 "/usr/include/sys/signal.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 403 "/usr/include/sys/signal.h" 3 4
>#define	SI_NOINFO	0		/* No signal info besides si_signo. */
>#define	SI_USER		0x10001		/* Signal sent by kill(). */
>#define	SI_QUEUE	0x10002		/* Signal sent by the sigqueue(). */
>#define	SI_TIMER	0x10003		/* Signal generated by expiration of */
>					/* a timer set by timer_settime(). */
>#define	SI_ASYNCIO	0x10004		/* Signal generated by completion of */
>					/* an asynchronous I/O request.*/
>#define	SI_MESGQ	0x10005		/* Signal generated by arrival of a */
>					/* message on an empty message queue. */
>#define	SI_KERNEL	0x10006
>#define	SI_LWP		0x10007		/* Signal sent by thr_kill */
>#endif
># 415 "/usr/include/sys/signal.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 416 "/usr/include/sys/signal.h" 3 4
>#define	SI_UNDEFINED	0
>#endif
># 418 "/usr/include/sys/signal.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 420 "/usr/include/sys/signal.h" 3 4
>typedef	__sighandler_t	*sig_t;	/* type of pointer to a signal function */
>typedef	void __siginfohandler_t(int, struct __siginfo *, void *);
>#endif
># 423 "/usr/include/sys/signal.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 425 "/usr/include/sys/signal.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 426 "/usr/include/sys/signal.h" 3 4
>#define	__stack_t sigaltstack
>#endif
># 428 "/usr/include/sys/signal.h" 3 4
>typedef	struct __stack_t stack_t;
>
>#define	SS_ONSTACK	0x0001	/* take signal on alternate stack */
>#define	SS_DISABLE	0x0004	/* disable taking signals on alternate stack */
>#define	MINSIGSTKSZ	__MINSIGSTKSZ		/* minimum stack size */
>#define	SIGSTKSZ	(MINSIGSTKSZ + 32768)	/* recommended stack size */
>#endif
># 435 "/usr/include/sys/signal.h" 3 4
>
>/*
> * Structure used in sigaltstack call.  Its definition is always
> * needed for __ucontext.  If __BSD_VISIBLE is defined, the structure
> * tag is actually sigaltstack.
> */
>struct __stack_t {
>	void	*ss_sp;			/* signal stack base */
>	__size_t ss_size;		/* signal stack length */
>	int	ss_flags;		/* SS_DISABLE and/or SS_ONSTACK */
>};
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 448 "/usr/include/sys/signal.h" 3 4
>/*
> * 4.3 compatibility:
> * Signal vector "template" used in sigvec call.
> */
>struct sigvec {
>	__sighandler_t *sv_handler;	/* signal handler */
>	int	sv_mask;		/* signal mask to apply */
>	int	sv_flags;		/* see signal options below */
>};
>
>#define	SV_ONSTACK	SA_ONSTACK
>#define	SV_INTERRUPT	SA_RESTART	/* same bit, opposite sense */
>#define	SV_RESETHAND	SA_RESETHAND
>#define	SV_NODEFER	SA_NODEFER
>#define	SV_NOCLDSTOP	SA_NOCLDSTOP
>#define	SV_SIGINFO	SA_SIGINFO
>#define	sv_onstack	sv_flags	/* isn't compatibility wonderful! */
>#endif
># 466 "/usr/include/sys/signal.h" 3 4
>
>/* Keep this in one place only */
>#if 0 /* disabled by -frewrite-includes */
>#if defined(_KERNEL) && defined(COMPAT_43) && \
>    !defined(__i386__)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 470 "/usr/include/sys/signal.h" 3 4
>struct osigcontext {
>	int _not_used;
>};
>#endif
># 474 "/usr/include/sys/signal.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 476 "/usr/include/sys/signal.h" 3 4
>/*
> * Structure used in sigstack call.
> */
>struct sigstack {
>	void	*ss_sp;			/* signal stack pointer */
>	int	ss_onstack;		/* current status */
>};
>#endif
># 484 "/usr/include/sys/signal.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE || __POSIX_VISIBLE > 0 && __POSIX_VISIBLE <= 200112
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 486 "/usr/include/sys/signal.h" 3 4
>/*
> * Macro for converting signal number to a mask suitable for
> * sigblock().
> */
>#define	sigmask(m)	(1 << ((m)-1))
>#endif
># 492 "/usr/include/sys/signal.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 494 "/usr/include/sys/signal.h" 3 4
>#define	BADSIG		SIG_ERR
>#endif
># 496 "/usr/include/sys/signal.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 498 "/usr/include/sys/signal.h" 3 4
>/*
> * Flags for sigprocmask:
> */
>#define	SIG_BLOCK	1	/* block specified signal set */
>#define	SIG_UNBLOCK	2	/* unblock specified signal set */
>#define	SIG_SETMASK	3	/* set specified signal set */
>#endif
># 505 "/usr/include/sys/signal.h" 3 4
>
>/*
> * For historical reasons; programs expect signal's return value to be
> * defined by <sys/signal.h>.
> */
>__BEGIN_DECLS
>__sighandler_t *signal(int, __sighandler_t *);
>__END_DECLS
>
>#endif /* !_SYS_SIGNAL_H_ */
># 515 "/usr/include/sys/signal.h" 3 4
># 138 "/usr/include/sys/param.h" 2 3 4
>#endif
># 139 "/usr/include/sys/param.h" 3 4
>
>/* Machine type dependent parameters. */
>#if 0 /* expanded by -frewrite-includes */
>#include <machine/param.h>
>#endif /* expanded by -frewrite-includes */
># 141 "/usr/include/sys/param.h" 3 4
># 1 "/usr/include/machine/param.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-4-Clause
> *
> * Copyright (c) 2002 David E. O'Brien.  All rights reserved.
> * Copyright (c) 1992, 1993
> *	The Regents of the University of California.  All rights reserved.
> *
> * This code is derived from software contributed to Berkeley by
> * the Systems Programming Group of the University of Utah Computer
> * Science Department and Ralph Campbell.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. All advertising materials mentioning features or use of this software
> *    must display the following acknowledgement:
> *	This product includes software developed by the University of
> *	California, Berkeley and its contributors.
> * 4. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)param.h	8.1 (Berkeley) 6/10/93
> * $FreeBSD: stable/12/sys/amd64/include/param.h 325966 2017-11-18 14:26:50Z pfg $
> */
>
>
>#ifndef _AMD64_INCLUDE_PARAM_H_
>#define	_AMD64_INCLUDE_PARAM_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <machine/_align.h>
>#endif /* expanded by -frewrite-includes */
># 48 "/usr/include/machine/param.h" 3 4
># 1 "/usr/include/machine/_align.h" 1 3 4
>/*-
> * This file is in the public domain.
> */
>/* $FreeBSD: stable/12/sys/amd64/include/_align.h 215856 2010-11-26 10:59:20Z tijl $ */
>
>#if 0 /* expanded by -frewrite-includes */
>#include <x86/_align.h>
>#endif /* expanded by -frewrite-includes */
># 6 "/usr/include/machine/_align.h" 3 4
># 1 "/usr/include/x86/_align.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-4-Clause
> *
> * Copyright (c) 2001 David E. O'Brien
> * Copyright (c) 1990 The Regents of the University of California.
> * All rights reserved.
> *
> * This code is derived from software contributed to Berkeley by
> * William Jolitz.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. All advertising materials mentioning features or use of this software
> *    must display the following acknowledgement:
> *	This product includes software developed by the University of
> *	California, Berkeley and its contributors.
> * 4. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	from: @(#)param.h	5.8 (Berkeley) 6/28/91
> * $FreeBSD: stable/12/sys/x86/include/_align.h 325966 2017-11-18 14:26:50Z pfg $
> */
>
>#ifndef _X86_INCLUDE__ALIGN_H_
>#define	_X86_INCLUDE__ALIGN_H_
>
>/*
> * Round p (pointer or byte index) up to a correctly-aligned value
> * for all data types (int, long, ...).   The result is unsigned int
> * and must be cast to any desired pointer type.
> */
>#define	_ALIGNBYTES	(sizeof(__register_t) - 1)
>#define	_ALIGN(p)	(((__uintptr_t)(p) + _ALIGNBYTES) & ~_ALIGNBYTES)
>
>#endif /* !_X86_INCLUDE__ALIGN_H_ */
># 55 "/usr/include/x86/_align.h" 3 4
># 7 "/usr/include/machine/_align.h" 2 3 4
># 49 "/usr/include/machine/param.h" 2 3 4
>
>/*
> * Machine dependent constants for AMD64.
> */
>
>
>#define __HAVE_ACPI
>#define __PCI_REROUTE_INTERRUPT
>
>#ifndef MACHINE
>#define	MACHINE		"amd64"
>#endif
># 61 "/usr/include/machine/param.h" 3 4
>#ifndef MACHINE_ARCH
>#define	MACHINE_ARCH	"amd64"
>#endif
># 64 "/usr/include/machine/param.h" 3 4
>#ifndef MACHINE_ARCH32
>#define	MACHINE_ARCH32	"i386"
>#endif
># 67 "/usr/include/machine/param.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if defined(SMP) || defined(KLD_MODULE)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 69 "/usr/include/machine/param.h" 3 4
>#ifndef MAXCPU
>#define MAXCPU		256
>#endif
># 72 "/usr/include/machine/param.h" 3 4
>#else
># 73 "/usr/include/machine/param.h" 3 4
>#define MAXCPU		1
>#endif
># 75 "/usr/include/machine/param.h" 3 4
>
>#ifndef MAXMEMDOM
>#define	MAXMEMDOM	8
>#endif
># 79 "/usr/include/machine/param.h" 3 4
>
>#define	ALIGNBYTES		_ALIGNBYTES
>#define	ALIGN(p)		_ALIGN(p)
>/*
> * ALIGNED_POINTER is a boolean macro that checks whether an address
> * is valid to fetch data elements of type t from on this architecture.
> * This does not reflect the optimal alignment, just the possibility
> * (within reasonable limits). 
> */
>#define	ALIGNED_POINTER(p, t)	1
>
>/*
> * CACHE_LINE_SIZE is the compile-time maximum cache line size for an
> * architecture.  It should be used with appropriate caution.
> */
>#define	CACHE_LINE_SHIFT	6
>#define	CACHE_LINE_SIZE		(1 << CACHE_LINE_SHIFT)
>
>/* Size of the level 1 page table units */
>#define NPTEPG		(PAGE_SIZE/(sizeof (pt_entry_t)))
>#define	NPTEPGSHIFT	9		/* LOG2(NPTEPG) */
>#define PAGE_SHIFT	12		/* LOG2(PAGE_SIZE) */
>#define PAGE_SIZE	(1<<PAGE_SHIFT)	/* bytes/page */
>#define PAGE_MASK	(PAGE_SIZE-1)
>/* Size of the level 2 page directory units */
>#define	NPDEPG		(PAGE_SIZE/(sizeof (pd_entry_t)))
>#define	NPDEPGSHIFT	9		/* LOG2(NPDEPG) */
>#define	PDRSHIFT	21              /* LOG2(NBPDR) */
>#define	NBPDR		(1<<PDRSHIFT)   /* bytes/page dir */
>#define	PDRMASK		(NBPDR-1)
>/* Size of the level 3 page directory pointer table units */
>#define	NPDPEPG		(PAGE_SIZE/(sizeof (pdp_entry_t)))
>#define	NPDPEPGSHIFT	9		/* LOG2(NPDPEPG) */
>#define	PDPSHIFT	30		/* LOG2(NBPDP) */
>#define	NBPDP		(1<<PDPSHIFT)	/* bytes/page dir ptr table */
>#define	PDPMASK		(NBPDP-1)
>/* Size of the level 4 page-map level-4 table units */
>#define	NPML4EPG	(PAGE_SIZE/(sizeof (pml4_entry_t)))
>#define	NPML4EPGSHIFT	9		/* LOG2(NPML4EPG) */
>#define	PML4SHIFT	39		/* LOG2(NBPML4) */
>#define	NBPML4		(1UL<<PML4SHIFT)/* bytes/page map lev4 table */
>#define	PML4MASK	(NBPML4-1)
>
>#define	MAXPAGESIZES	3	/* maximum number of supported page sizes */
>
>#define IOPAGES	2		/* pages of i/o permission bitmap */
>/*
> * I/O permission bitmap has a bit for each I/O port plus an additional
> * byte at the end with all bits set. See section "I/O Permission Bit Map"
> * in the Intel SDM for more details.
> */
>#define	IOPERM_BITMAP_SIZE	(IOPAGES * PAGE_SIZE + 1)
>
>#ifndef	KSTACK_PAGES
>#define	KSTACK_PAGES	4	/* pages of kstack (with pcb) */
>#endif
># 135 "/usr/include/machine/param.h" 3 4
>#define	KSTACK_GUARD_PAGES 1	/* pages of kstack guard; 0 disables */
>
>/*
> * Mach derived conversion macros
> */
>#define	round_page(x)	((((unsigned long)(x)) + PAGE_MASK) & ~(PAGE_MASK))
>#define	trunc_page(x)	((unsigned long)(x) & ~(PAGE_MASK))
>#define trunc_2mpage(x)	((unsigned long)(x) & ~PDRMASK)
>#define round_2mpage(x)	((((unsigned long)(x)) + PDRMASK) & ~PDRMASK)
>#define trunc_1gpage(x)	((unsigned long)(x) & ~PDPMASK)
>
>#define	atop(x)		((unsigned long)(x) >> PAGE_SHIFT)
>#define	ptoa(x)		((unsigned long)(x) << PAGE_SHIFT)
>
>#define	amd64_btop(x)	((unsigned long)(x) >> PAGE_SHIFT)
>#define	amd64_ptob(x)	((unsigned long)(x) << PAGE_SHIFT)
>
>#define	pgtok(x)	((unsigned long)(x) * (PAGE_SIZE / 1024)) 
>
>#define	INKERNEL(va) (((va) >= DMAP_MIN_ADDRESS && (va) < DMAP_MAX_ADDRESS) \
>    || ((va) >= VM_MIN_KERNEL_ADDRESS && (va) < VM_MAX_KERNEL_ADDRESS))
>
>#ifdef SMP
>#define SC_TABLESIZE    1024                     /* Must be power of 2. */
>#endif
># 160 "/usr/include/machine/param.h" 3 4
>
>#endif /* !_AMD64_INCLUDE_PARAM_H_ */
># 162 "/usr/include/machine/param.h" 3 4
># 142 "/usr/include/sys/param.h" 2 3 4
>#ifndef _KERNEL
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/limits.h>
>#endif /* expanded by -frewrite-includes */
># 143 "/usr/include/sys/param.h" 3 4
># 1 "/usr/include/sys/limits.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1988, 1993
> *	The Regents of the University of California.  All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> * $FreeBSD: stable/12/sys/sys/limits.h 326023 2017-11-20 19:43:44Z pfg $
> */
>
>#ifndef _SYS_LIMITS_H_
>#define	_SYS_LIMITS_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 37 "/usr/include/sys/limits.h" 3 4
># 38 "/usr/include/sys/limits.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <machine/_limits.h>
>#endif /* expanded by -frewrite-includes */
># 38 "/usr/include/sys/limits.h" 3 4
># 1 "/usr/include/machine/_limits.h" 1 3 4
>/*-
> * This file is in the public domain.
> */
>/* $FreeBSD: stable/12/sys/amd64/include/_limits.h 232262 2012-02-28 18:24:28Z tijl $ */
>
>#if 0 /* expanded by -frewrite-includes */
>#include <x86/_limits.h>
>#endif /* expanded by -frewrite-includes */
># 6 "/usr/include/machine/_limits.h" 3 4
># 7 "/usr/include/machine/_limits.h" 3 4
># 39 "/usr/include/sys/limits.h" 2 3 4
>
>#define	CHAR_BIT	__CHAR_BIT	/* number of bits in a char */
>
>#define	SCHAR_MAX	__SCHAR_MAX	/* max value for a signed char */
>#define	SCHAR_MIN	__SCHAR_MIN	/* min value for a signed char */
>
>#define	UCHAR_MAX	__UCHAR_MAX	/* max value for an unsigned char */
>
>#ifdef __CHAR_UNSIGNED__
>#define	CHAR_MAX	UCHAR_MAX	/* max value for a char */
>#define	CHAR_MIN	0		/* min value for a char */
>#else
># 51 "/usr/include/sys/limits.h" 3 4
>#define	CHAR_MAX	SCHAR_MAX
>#define	CHAR_MIN	SCHAR_MIN
>#endif
># 54 "/usr/include/sys/limits.h" 3 4
>
>#define	USHRT_MAX	__USHRT_MAX	/* max value for an unsigned short */
>#define	SHRT_MAX	__SHRT_MAX	/* max value for a short */
>#define	SHRT_MIN	__SHRT_MIN	/* min value for a short */
>
>#define	UINT_MAX	__UINT_MAX	/* max value for an unsigned int */
>#define	INT_MAX		__INT_MAX	/* max value for an int */
>#define	INT_MIN		__INT_MIN	/* min value for an int */
>
>#define	ULONG_MAX	__ULONG_MAX	/* max for an unsigned long */
>#define	LONG_MAX	__LONG_MAX	/* max for a long */
>#define	LONG_MIN	__LONG_MIN	/* min for a long */
>
>#ifdef __LONG_LONG_SUPPORTED
>#define	ULLONG_MAX	__ULLONG_MAX	/* max for an unsigned long long */
>#define	LLONG_MAX	__LLONG_MAX	/* max for a long long */
>#define	LLONG_MIN	__LLONG_MIN	/* min for a long long */
>#endif
># 72 "/usr/include/sys/limits.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 74 "/usr/include/sys/limits.h" 3 4
>#define	SSIZE_MAX	__SSIZE_MAX	/* max value for an ssize_t */
>#endif
># 76 "/usr/include/sys/limits.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 78 "/usr/include/sys/limits.h" 3 4
>#define	SIZE_T_MAX	__SIZE_T_MAX	/* max value for a size_t */
>
>#define	OFF_MAX		__OFF_MAX	/* max value for an off_t */
>#define	OFF_MIN		__OFF_MIN	/* min value for an off_t */
>#endif
># 83 "/usr/include/sys/limits.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 85 "/usr/include/sys/limits.h" 3 4
>#define	GID_MAX		UINT_MAX	/* max value for a gid_t */
>#define	UID_MAX		UINT_MAX	/* max value for a uid_t */
>
>#define	UQUAD_MAX	(__UQUAD_MAX)	/* max value for a uquad_t */
>#define	QUAD_MAX	(__QUAD_MAX)	/* max value for a quad_t */
>#define	QUAD_MIN	(__QUAD_MIN)	/* min value for a quad_t */
>#endif
># 92 "/usr/include/sys/limits.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200809
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 94 "/usr/include/sys/limits.h" 3 4
>#define	LONG_BIT	__LONG_BIT
>#define	WORD_BIT	__WORD_BIT
>#endif
># 97 "/usr/include/sys/limits.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 99 "/usr/include/sys/limits.h" 3 4
>#define	MQ_PRIO_MAX	64
>#endif
># 101 "/usr/include/sys/limits.h" 3 4
>
>#endif /* !_SYS_LIMITS_H_ */
># 103 "/usr/include/sys/limits.h" 3 4
># 144 "/usr/include/sys/param.h" 2 3 4
>#endif
># 145 "/usr/include/sys/param.h" 3 4
>
>#ifndef DEV_BSHIFT
>#define	DEV_BSHIFT	9		/* log2(DEV_BSIZE) */
>#endif
># 149 "/usr/include/sys/param.h" 3 4
>#define	DEV_BSIZE	(1<<DEV_BSHIFT)
>
>#ifndef BLKDEV_IOSIZE
>#define BLKDEV_IOSIZE  PAGE_SIZE	/* default block device I/O size */
>#endif
># 154 "/usr/include/sys/param.h" 3 4
>#ifndef DFLTPHYS
>#define DFLTPHYS	(64 * 1024)	/* default max raw I/O transfer size */
>#endif
># 157 "/usr/include/sys/param.h" 3 4
>#ifndef MAXPHYS
>#define MAXPHYS		(128 * 1024)	/* max raw I/O transfer size */
>#endif
># 160 "/usr/include/sys/param.h" 3 4
>#ifndef MAXDUMPPGS
>#define MAXDUMPPGS	(DFLTPHYS/PAGE_SIZE)
>#endif
># 163 "/usr/include/sys/param.h" 3 4
>
>/*
> * Constants related to network buffer management.
> * MCLBYTES must be no larger than PAGE_SIZE.
> */
>#ifndef	MSIZE
>#define	MSIZE		256		/* size of an mbuf */
>#endif
># 171 "/usr/include/sys/param.h" 3 4
>
>#ifndef	MCLSHIFT
>#define MCLSHIFT	11		/* convert bytes to mbuf clusters */
>#endif	/* MCLSHIFT */
># 175 "/usr/include/sys/param.h" 3 4
>
>#define MCLBYTES	(1 << MCLSHIFT)	/* size of an mbuf cluster */
>
>#if 0 /* disabled by -frewrite-includes */
>#if PAGE_SIZE < 2048
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 179 "/usr/include/sys/param.h" 3 4
>#define	MJUMPAGESIZE	MCLBYTES
>#if 0 /* disabled by -frewrite-includes */
>#if 0
>#elif PAGE_SIZE <= 8192
>#endif
>#endif /* disabled by -frewrite-includes */
>#elif 1 /* evaluated by -frewrite-includes */
># 181 "/usr/include/sys/param.h" 3 4
>#define	MJUMPAGESIZE	PAGE_SIZE
>#else
># 183 "/usr/include/sys/param.h" 3 4
>#define	MJUMPAGESIZE	(8 * 1024)
>#endif
># 185 "/usr/include/sys/param.h" 3 4
>
>#define	MJUM9BYTES	(9 * 1024)	/* jumbo cluster 9k */
>#define	MJUM16BYTES	(16 * 1024)	/* jumbo cluster 16k */
>
>/*
> * Some macros for units conversion
> */
>
>/* clicks to bytes */
>#ifndef ctob
>#define ctob(x)	((x)<<PAGE_SHIFT)
>#endif
># 197 "/usr/include/sys/param.h" 3 4
>
>/* bytes to clicks */
>#ifndef btoc
>#define btoc(x)	(((vm_offset_t)(x)+PAGE_MASK)>>PAGE_SHIFT)
>#endif
># 202 "/usr/include/sys/param.h" 3 4
>
>/*
> * btodb() is messy and perhaps slow because `bytes' may be an off_t.  We
> * want to shift an unsigned type to avoid sign extension and we don't
> * want to widen `bytes' unnecessarily.  Assume that the result fits in
> * a daddr_t.
> */
>#ifndef btodb
>#define btodb(bytes)	 		/* calculates (bytes / DEV_BSIZE) */ \
>	(sizeof (bytes) > sizeof(long) \
>	 ? (daddr_t)((unsigned long long)(bytes) >> DEV_BSHIFT) \
>	 : (daddr_t)((unsigned long)(bytes) >> DEV_BSHIFT))
>#endif
># 215 "/usr/include/sys/param.h" 3 4
>
>#ifndef dbtob
>#define dbtob(db)			/* calculates (db * DEV_BSIZE) */ \
>	((off_t)(db) << DEV_BSHIFT)
>#endif
># 220 "/usr/include/sys/param.h" 3 4
>
>#define	PRIMASK	0x0ff
>#define	PCATCH	0x100		/* OR'd with pri for tsleep to check signals */
>#define	PDROP	0x200	/* OR'd with pri to stop re-entry of interlock mutex */
>
>#define	NZERO	0		/* default "nice" */
>
>#define	NBBY	8		/* number of bits in a byte */
>#define	NBPW	sizeof(int)	/* number of bytes per word (integer) */
>
>#define	CMASK	022		/* default file mask: S_IWGRP|S_IWOTH */
>
>#define	NODEV	(dev_t)(-1)	/* non-existent device */
>
>/*
> * File system parameters and macros.
> *
> * MAXBSIZE -	Filesystems are made out of blocks of at most MAXBSIZE bytes
> *		per block.  MAXBSIZE may be made larger without effecting
> *		any existing filesystems as long as it does not exceed MAXPHYS,
> *		and may be made smaller at the risk of not being able to use
> *		filesystems which require a block size exceeding MAXBSIZE.
> *
> * MAXBCACHEBUF - Maximum size of a buffer in the buffer cache.  This must
> *		be >= MAXBSIZE and can be set differently for different
> *		architectures by defining it in <machine/param.h>.
> *		Making this larger allows NFS to do larger reads/writes.
> *
> * BKVASIZE -	Nominal buffer space per buffer, in bytes.  BKVASIZE is the
> *		minimum KVM memory reservation the kernel is willing to make.
> *		Filesystems can of course request smaller chunks.  Actual
> *		backing memory uses a chunk size of a page (PAGE_SIZE).
> *		The default value here can be overridden on a per-architecture
> *		basis by defining it in <machine/param.h>.
> *
> *		If you make BKVASIZE too small you risk seriously fragmenting
> *		the buffer KVM map which may slow things down a bit.  If you
> *		make it too big the kernel will not be able to optimally use
> *		the KVM memory reserved for the buffer cache and will wind
> *		up with too-few buffers.
> *
> *		The default is 16384, roughly 2x the block size used by a
> *		normal UFS filesystem.
> */
>#define MAXBSIZE	65536	/* must be power of 2 */
>#ifndef	MAXBCACHEBUF
>#define	MAXBCACHEBUF	MAXBSIZE /* must be a power of 2 >= MAXBSIZE */
>#endif
># 268 "/usr/include/sys/param.h" 3 4
>#ifndef	BKVASIZE
>#define BKVASIZE	16384	/* must be power of 2 */
>#endif
># 271 "/usr/include/sys/param.h" 3 4
>#define BKVAMASK	(BKVASIZE-1)
>
>/*
> * MAXPATHLEN defines the longest permissible path length after expanding
> * symbolic links. It is used to allocate a temporary buffer from the buffer
> * pool in which to do the name expansion, hence should be a power of two,
> * and must be less than or equal to MAXBSIZE.  MAXSYMLINKS defines the
> * maximum number of symbolic links that may be expanded in a path name.
> * It should be set high enough to allow all legitimate uses, but halt
> * infinite loops reasonably quickly.
> */
>#define	MAXPATHLEN	PATH_MAX
>#define MAXSYMLINKS	32
>
>/* Bit map related macros. */
>#define	setbit(a,i)	(((unsigned char *)(a))[(i)/NBBY] |= 1<<((i)%NBBY))
>#define	clrbit(a,i)	(((unsigned char *)(a))[(i)/NBBY] &= ~(1<<((i)%NBBY)))
>#define	isset(a,i)							\
>	(((const unsigned char *)(a))[(i)/NBBY] & (1<<((i)%NBBY)))
>#define	isclr(a,i)							\
>	((((const unsigned char *)(a))[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
>
>/* Macros for counting and rounding. */
>#ifndef howmany
>#define	howmany(x, y)	(((x)+((y)-1))/(y))
>#endif
># 297 "/usr/include/sys/param.h" 3 4
>#define	nitems(x)	(sizeof((x)) / sizeof((x)[0]))
>#define	rounddown(x, y)	(((x)/(y))*(y))
>#define	rounddown2(x, y) ((x)&(~((y)-1)))          /* if y is power of two */
>#define	roundup(x, y)	((((x)+((y)-1))/(y))*(y))  /* to any y */
>#define	roundup2(x, y)	(((x)+((y)-1))&(~((y)-1))) /* if y is powers of two */
>#define powerof2(x)	((((x)-1)&(x))==0)
>
>/* Macros for min/max. */
>#define	MIN(a,b) (((a)<(b))?(a):(b))
>#define	MAX(a,b) (((a)>(b))?(a):(b))
>
>#ifdef _KERNEL
>/*
> * Basic byte order function prototypes for non-inline functions.
> */
>#ifndef LOCORE
>#ifndef _BYTEORDER_PROTOTYPED
>#define	_BYTEORDER_PROTOTYPED
>__BEGIN_DECLS
>__uint32_t	 htonl(__uint32_t);
>__uint16_t	 htons(__uint16_t);
>__uint32_t	 ntohl(__uint32_t);
>__uint16_t	 ntohs(__uint16_t);
>__END_DECLS
>#endif
># 322 "/usr/include/sys/param.h" 3 4
>#endif
># 323 "/usr/include/sys/param.h" 3 4
>
>#ifndef _BYTEORDER_FUNC_DEFINED
>#define	_BYTEORDER_FUNC_DEFINED
>#define	htonl(x)	__htonl(x)
>#define	htons(x)	__htons(x)
>#define	ntohl(x)	__ntohl(x)
>#define	ntohs(x)	__ntohs(x)
>#endif /* !_BYTEORDER_FUNC_DEFINED */
># 331 "/usr/include/sys/param.h" 3 4
>#endif /* _KERNEL */
># 332 "/usr/include/sys/param.h" 3 4
>
>/*
> * Scale factor for scaled integers used to count %cpu time and load avgs.
> *
> * The number of CPU `tick's that map to a unique `%age' can be expressed
> * by the formula (1 / (2 ^ (FSHIFT - 11))).  The maximum load average that
> * can be calculated (assuming 32 bits) can be closely approximated using
> * the formula (2 ^ (2 * (16 - FSHIFT))) for (FSHIFT < 15).
> *
> * For the scheduler to maintain a 1:1 mapping of CPU `tick' to `%age',
> * FSHIFT must be at least 11; this gives us a maximum load avg of ~1024.
> */
>#define	FSHIFT	11		/* bits to right of fixed binary point */
>#define FSCALE	(1<<FSHIFT)
>
>#define dbtoc(db)			/* calculates devblks to pages */ \
>	((db + (ctodb(1) - 1)) >> (PAGE_SHIFT - DEV_BSHIFT))
>
>#define ctodb(db)			/* calculates pages to devblks */ \
>	((db) << (PAGE_SHIFT - DEV_BSHIFT))
>
>/*
> * Old spelling of __containerof().
> */
>#define	member2struct(s, m, x)						\
>	((struct s *)(void *)((char *)(x) - offsetof(struct s, m)))
>
>/*
> * Access a variable length array that has been declared as a fixed
> * length array.
> */
>#define __PAST_END(array, offset) (((__typeof__(*(array)) *)(array))[offset])
>
>#endif	/* _SYS_PARAM_H_ */
># 366 "/usr/include/sys/param.h" 3 4
># 37 "/usr/src/lib/libnv/msgio.c" 2
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/socket.h>
>#endif /* expanded by -frewrite-includes */
># 37 "/usr/src/lib/libnv/msgio.c"
># 1 "/usr/include/sys/socket.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
> *	The Regents of the University of California.  All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)socket.h	8.4 (Berkeley) 2/21/94
> * $FreeBSD: stable/12/sys/sys/socket.h 338136 2018-08-21 14:04:30Z tuexen $
> */
>
>#ifndef _SYS_SOCKET_H_
>#define	_SYS_SOCKET_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 38 "/usr/include/sys/socket.h" 3 4
># 39 "/usr/include/sys/socket.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_types.h>
>#endif /* expanded by -frewrite-includes */
># 39 "/usr/include/sys/socket.h" 3 4
># 40 "/usr/include/sys/socket.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_iovec.h>
>#endif /* expanded by -frewrite-includes */
># 40 "/usr/include/sys/socket.h" 3 4
># 1 "/usr/include/sys/_iovec.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1982, 1986, 1993, 1994
> *	The Regents of the University of California.  All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)uio.h	8.5 (Berkeley) 2/22/94
> * $FreeBSD: stable/12/sys/sys/_iovec.h 326023 2017-11-20 19:43:44Z pfg $
> */
>
>#ifndef _SYS__IOVEC_H_
>#define	_SYS__IOVEC_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_types.h>
>#endif /* expanded by -frewrite-includes */
># 38 "/usr/include/sys/_iovec.h" 3 4
># 39 "/usr/include/sys/_iovec.h" 3 4
>
>#ifndef _SIZE_T_DECLARED
>typedef	__size_t	size_t;
>#define	_SIZE_T_DECLARED
>#endif
># 44 "/usr/include/sys/_iovec.h" 3 4
>
>struct iovec {
>	void	*iov_base;	/* Base address. */
>	size_t	 iov_len;	/* Length. */
>};
>
>#endif /* !_SYS__IOVEC_H_ */
># 51 "/usr/include/sys/_iovec.h" 3 4
># 41 "/usr/include/sys/socket.h" 2 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <machine/_align.h>
>#endif /* expanded by -frewrite-includes */
># 41 "/usr/include/sys/socket.h" 3 4
># 1 "/usr/include/machine/_align.h" 1 3 4
>/*-
> * This file is in the public domain.
> */
>/* $FreeBSD: stable/12/sys/amd64/include/_align.h 215856 2010-11-26 10:59:20Z tijl $ */
>
>#if 0 /* expanded by -frewrite-includes */
>#include <x86/_align.h>
>#endif /* expanded by -frewrite-includes */
># 6 "/usr/include/machine/_align.h" 3 4
># 7 "/usr/include/machine/_align.h" 3 4
># 42 "/usr/include/sys/socket.h" 2 3 4
>
>/*
> * Definitions related to sockets: types, address families, options.
> */
>
>/*
> * Data types.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 51 "/usr/include/sys/socket.h" 3 4
>#ifndef _GID_T_DECLARED
>typedef	__gid_t		gid_t;
>#define	_GID_T_DECLARED
>#endif
># 55 "/usr/include/sys/socket.h" 3 4
>
>#ifndef _OFF_T_DECLARED
>typedef	__off_t		off_t;
>#define	_OFF_T_DECLARED
>#endif
># 60 "/usr/include/sys/socket.h" 3 4
>
>#ifndef _PID_T_DECLARED
>typedef	__pid_t		pid_t;
>#define	_PID_T_DECLARED
>#endif
># 65 "/usr/include/sys/socket.h" 3 4
>#endif
># 66 "/usr/include/sys/socket.h" 3 4
>
>#ifndef _SA_FAMILY_T_DECLARED
>typedef	__sa_family_t	sa_family_t;
>#define	_SA_FAMILY_T_DECLARED
>#endif
># 71 "/usr/include/sys/socket.h" 3 4
>
>#ifndef _SOCKLEN_T_DECLARED
>typedef	__socklen_t	socklen_t;
>#define	_SOCKLEN_T_DECLARED
>#endif
># 76 "/usr/include/sys/socket.h" 3 4
> 
>#ifndef _SSIZE_T_DECLARED
>typedef	__ssize_t	ssize_t;
>#define	_SSIZE_T_DECLARED
>#endif
># 81 "/usr/include/sys/socket.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE 
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 83 "/usr/include/sys/socket.h" 3 4
>#ifndef _UID_T_DECLARED
>typedef	__uid_t		uid_t;
>#define	_UID_T_DECLARED
>#endif
># 87 "/usr/include/sys/socket.h" 3 4
>#endif
># 88 "/usr/include/sys/socket.h" 3 4
>
>#ifndef _UINT32_T_DECLARED
>typedef	__uint32_t	uint32_t;
>#define	_UINT32_T_DECLARED
>#endif
># 93 "/usr/include/sys/socket.h" 3 4
>
>#ifndef _UINTPTR_T_DECLARED
>typedef	__uintptr_t	uintptr_t;
>#define	_UINTPTR_T_DECLARED
>#endif
># 98 "/usr/include/sys/socket.h" 3 4
>
>/*
> * Types
> */
>#define	SOCK_STREAM	1		/* stream socket */
>#define	SOCK_DGRAM	2		/* datagram socket */
>#define	SOCK_RAW	3		/* raw-protocol interface */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 106 "/usr/include/sys/socket.h" 3 4
>#define	SOCK_RDM	4		/* reliably-delivered message */
>#endif
># 108 "/usr/include/sys/socket.h" 3 4
>#define	SOCK_SEQPACKET	5		/* sequenced packet stream */
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 111 "/usr/include/sys/socket.h" 3 4
>/*
> * Creation flags, OR'ed into socket() and socketpair() type argument.
> */
>#define	SOCK_CLOEXEC	0x10000000
>#define	SOCK_NONBLOCK	0x20000000
>#ifdef _KERNEL
>/*
> * Flags for accept1(), kern_accept4() and solisten_dequeue, in addition
> * to SOCK_CLOEXEC and SOCK_NONBLOCK.
> */
>#define ACCEPT4_INHERIT 0x1
>#define ACCEPT4_COMPAT  0x2
>#endif	/* _KERNEL */
># 124 "/usr/include/sys/socket.h" 3 4
>#endif	/* __BSD_VISIBLE */
># 125 "/usr/include/sys/socket.h" 3 4
>
>/*
> * Option flags per-socket.
> */
>#define	SO_DEBUG	0x00000001	/* turn on debugging info recording */
>#define	SO_ACCEPTCONN	0x00000002	/* socket has had listen() */
>#define	SO_REUSEADDR	0x00000004	/* allow local address reuse */
>#define	SO_KEEPALIVE	0x00000008	/* keep connections alive */
>#define	SO_DONTROUTE	0x00000010	/* just use interface addresses */
>#define	SO_BROADCAST	0x00000020	/* permit sending of broadcast msgs */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 136 "/usr/include/sys/socket.h" 3 4
>#define	SO_USELOOPBACK	0x00000040	/* bypass hardware when possible */
>#endif
># 138 "/usr/include/sys/socket.h" 3 4
>#define	SO_LINGER	0x00000080	/* linger on close if data present */
>#define	SO_OOBINLINE	0x00000100	/* leave received OOB data in line */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 141 "/usr/include/sys/socket.h" 3 4
>#define	SO_REUSEPORT	0x00000200	/* allow local address & port reuse */
>#define	SO_TIMESTAMP	0x00000400	/* timestamp received dgram traffic */
>#define	SO_NOSIGPIPE	0x00000800	/* no SIGPIPE from EPIPE */
>#define	SO_ACCEPTFILTER	0x00001000	/* there is an accept filter */
>#define	SO_BINTIME	0x00002000	/* timestamp received dgram traffic */
>#endif
># 147 "/usr/include/sys/socket.h" 3 4
>#define	SO_NO_OFFLOAD	0x00004000	/* socket cannot be offloaded */
>#define	SO_NO_DDP	0x00008000	/* disable direct data placement */
>#define	SO_REUSEPORT_LB	0x00010000	/* reuse with load balancing */
>
>/*
> * Additional options, not kept in so_options.
> */
>#define	SO_SNDBUF	0x1001		/* send buffer size */
>#define	SO_RCVBUF	0x1002		/* receive buffer size */
>#define	SO_SNDLOWAT	0x1003		/* send low-water mark */
>#define	SO_RCVLOWAT	0x1004		/* receive low-water mark */
>#define	SO_SNDTIMEO	0x1005		/* send timeout */
>#define	SO_RCVTIMEO	0x1006		/* receive timeout */
>#define	SO_ERROR	0x1007		/* get error status and clear */
>#define	SO_TYPE		0x1008		/* get socket type */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 163 "/usr/include/sys/socket.h" 3 4
>#define	SO_LABEL	0x1009		/* socket's MAC label */
>#define	SO_PEERLABEL	0x1010		/* socket's peer's MAC label */
>#define	SO_LISTENQLIMIT	0x1011		/* socket's backlog limit */
>#define	SO_LISTENQLEN	0x1012		/* socket's complete queue length */
>#define	SO_LISTENINCQLEN	0x1013	/* socket's incomplete queue length */
>#define	SO_SETFIB	0x1014		/* use this FIB to route */
>#define	SO_USER_COOKIE	0x1015		/* user cookie (dummynet etc.) */
>#define	SO_PROTOCOL	0x1016		/* get socket protocol (Linux name) */
>#define	SO_PROTOTYPE	SO_PROTOCOL	/* alias for SO_PROTOCOL (SunOS name) */
>#define	SO_TS_CLOCK	0x1017		/* clock type used for SO_TIMESTAMP */
>#define	SO_MAX_PACING_RATE	0x1018	/* socket's max TX pacing rate (Linux name) */
>#define	SO_DOMAIN	0x1019		/* get socket domain */
>#endif
># 176 "/usr/include/sys/socket.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 178 "/usr/include/sys/socket.h" 3 4
>#define	SO_TS_REALTIME_MICRO	0	/* microsecond resolution, realtime */
>#define	SO_TS_BINTIME		1	/* sub-nanosecond resolution, realtime */
>#define	SO_TS_REALTIME		2	/* nanosecond resolution, realtime */
>#define	SO_TS_MONOTONIC		3	/* nanosecond resolution, monotonic */
>#define	SO_TS_DEFAULT		SO_TS_REALTIME_MICRO
>#define	SO_TS_CLOCK_MAX		SO_TS_MONOTONIC
>#endif
># 185 "/usr/include/sys/socket.h" 3 4
>
>/*
> * Space reserved for new socket options added by third-party vendors.
> * This range applies to all socket option levels.  New socket options
> * in FreeBSD should always use an option value less than SO_VENDOR.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 192 "/usr/include/sys/socket.h" 3 4
>#define	SO_VENDOR	0x80000000
>#endif
># 194 "/usr/include/sys/socket.h" 3 4
>
>/*
> * Structure used for manipulating linger option.
> */
>struct linger {
>	int	l_onoff;		/* option on/off */
>	int	l_linger;		/* linger time */
>};
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 204 "/usr/include/sys/socket.h" 3 4
>struct accept_filter_arg {
>	char	af_name[16];
>	char	af_arg[256-16];
>};
>#endif
># 209 "/usr/include/sys/socket.h" 3 4
>
>/*
> * Level number for (get/set)sockopt() to apply to socket itself.
> */
>#define	SOL_SOCKET	0xffff		/* options for socket level */
>
>/*
> * Address families.
> */
>#define	AF_UNSPEC	0		/* unspecified */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 220 "/usr/include/sys/socket.h" 3 4
>#define	AF_LOCAL	AF_UNIX		/* local to host (pipes, portals) */
>#endif
># 222 "/usr/include/sys/socket.h" 3 4
>#define	AF_UNIX		1		/* standardized name for AF_LOCAL */
>#define	AF_INET		2		/* internetwork: UDP, TCP, etc. */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 225 "/usr/include/sys/socket.h" 3 4
>#define	AF_IMPLINK	3		/* arpanet imp addresses */
>#define	AF_PUP		4		/* pup protocols: e.g. BSP */
>#define	AF_CHAOS	5		/* mit CHAOS protocols */
>#define	AF_NETBIOS	6		/* SMB protocols */
>#define	AF_ISO		7		/* ISO protocols */
>#define	AF_OSI		AF_ISO
>#define	AF_ECMA		8		/* European computer manufacturers */
>#define	AF_DATAKIT	9		/* datakit protocols */
>#define	AF_CCITT	10		/* CCITT protocols, X.25 etc */
>#define	AF_SNA		11		/* IBM SNA */
>#define AF_DECnet	12		/* DECnet */
>#define AF_DLI		13		/* DEC Direct data link interface */
>#define AF_LAT		14		/* LAT */
>#define	AF_HYLINK	15		/* NSC Hyperchannel */
>#define	AF_APPLETALK	16		/* Apple Talk */
>#define	AF_ROUTE	17		/* Internal Routing Protocol */
>#define	AF_LINK		18		/* Link layer interface */
>#define	pseudo_AF_XTP	19		/* eXpress Transfer Protocol (no AF) */
>#define	AF_COIP		20		/* connection-oriented IP, aka ST II */
>#define	AF_CNT		21		/* Computer Network Technology */
>#define pseudo_AF_RTIP	22		/* Help Identify RTIP packets */
>#define	AF_IPX		23		/* Novell Internet Protocol */
>#define	AF_SIP		24		/* Simple Internet Protocol */
>#define	pseudo_AF_PIP	25		/* Help Identify PIP packets */
>#define	AF_ISDN		26		/* Integrated Services Digital Network*/
>#define	AF_E164		AF_ISDN		/* CCITT E.164 recommendation */
>#define	pseudo_AF_KEY	27		/* Internal key-management function */
>#endif
># 253 "/usr/include/sys/socket.h" 3 4
>#define	AF_INET6	28		/* IPv6 */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 255 "/usr/include/sys/socket.h" 3 4
>#define	AF_NATM		29		/* native ATM access */
>#define	AF_ATM		30		/* ATM */
>#define pseudo_AF_HDRCMPLT 31		/* Used by BPF to not rewrite headers
>					 * in interface output routine
>					 */
>#define	AF_NETGRAPH	32		/* Netgraph sockets */
>#define	AF_SLOW		33		/* 802.3ad slow protocol */
>#define	AF_SCLUSTER	34		/* Sitara cluster protocol */
>#define	AF_ARP		35
>#define	AF_BLUETOOTH	36		/* Bluetooth sockets */
>#define	AF_IEEE80211	37		/* IEEE 802.11 protocol */
>#define	AF_INET_SDP	40		/* OFED Socket Direct Protocol ipv4 */
>#define	AF_INET6_SDP	42		/* OFED Socket Direct Protocol ipv6 */
>#define	AF_MAX		42
>/*
> * When allocating a new AF_ constant, please only allocate
> * even numbered constants for FreeBSD until 134 as odd numbered AF_
> * constants 39-133 are now reserved for vendors.
> */
>#define AF_VENDOR00 39
>#define AF_VENDOR01 41
>#define AF_VENDOR02 43
>#define AF_VENDOR03 45
>#define AF_VENDOR04 47
>#define AF_VENDOR05 49
>#define AF_VENDOR06 51
>#define AF_VENDOR07 53
>#define AF_VENDOR08 55
>#define AF_VENDOR09 57
>#define AF_VENDOR10 59
>#define AF_VENDOR11 61
>#define AF_VENDOR12 63
>#define AF_VENDOR13 65
>#define AF_VENDOR14 67
>#define AF_VENDOR15 69
>#define AF_VENDOR16 71
>#define AF_VENDOR17 73
>#define AF_VENDOR18 75
>#define AF_VENDOR19 77
>#define AF_VENDOR20 79
>#define AF_VENDOR21 81
>#define AF_VENDOR22 83
>#define AF_VENDOR23 85
>#define AF_VENDOR24 87
>#define AF_VENDOR25 89
>#define AF_VENDOR26 91
>#define AF_VENDOR27 93
>#define AF_VENDOR28 95
>#define AF_VENDOR29 97
>#define AF_VENDOR30 99
>#define AF_VENDOR31 101
>#define AF_VENDOR32 103
>#define AF_VENDOR33 105
>#define AF_VENDOR34 107
>#define AF_VENDOR35 109
>#define AF_VENDOR36 111
>#define AF_VENDOR37 113
>#define AF_VENDOR38 115
>#define AF_VENDOR39 117
>#define AF_VENDOR40 119
>#define AF_VENDOR41 121
>#define AF_VENDOR42 123
>#define AF_VENDOR43 125
>#define AF_VENDOR44 127
>#define AF_VENDOR45 129
>#define AF_VENDOR46 131
>#define AF_VENDOR47 133
>#endif
># 323 "/usr/include/sys/socket.h" 3 4
>
>/*
> * Structure used by kernel to store most
> * addresses.
> */
>struct sockaddr {
>	unsigned char	sa_len;		/* total length */
>	sa_family_t	sa_family;	/* address family */
>	char		sa_data[14];	/* actually longer; address value */
>};
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 334 "/usr/include/sys/socket.h" 3 4
>#define	SOCK_MAXADDRLEN	255		/* longest possible addresses */
>
>/*
> * Structure used by kernel to pass protocol
> * information in raw sockets.
> */
>struct sockproto {
>	unsigned short	sp_family;		/* address family */
>	unsigned short	sp_protocol;		/* protocol */
>};
>#endif
># 345 "/usr/include/sys/socket.h" 3 4
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_sockaddr_storage.h>
>#endif /* expanded by -frewrite-includes */
># 346 "/usr/include/sys/socket.h" 3 4
># 1 "/usr/include/sys/_sockaddr_storage.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
> *	The Regents of the University of California.  All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)socket.h	8.4 (Berkeley) 2/21/94
> * $FreeBSD: stable/12/sys/sys/_sockaddr_storage.h 326023 2017-11-20 19:43:44Z pfg $
> */
>
>#ifndef _SYS__SOCKADDR_STORAGE_H_
>#define	_SYS__SOCKADDR_STORAGE_H_
>
>/*
> * RFC 2553: protocol-independent placeholder for socket addresses
> */
>#define	_SS_MAXSIZE	128U
>#define	_SS_ALIGNSIZE	(sizeof(__int64_t))
>#define	_SS_PAD1SIZE	(_SS_ALIGNSIZE - sizeof(unsigned char) - \
>			    sizeof(sa_family_t))
>#define	_SS_PAD2SIZE	(_SS_MAXSIZE - sizeof(unsigned char) - \
>			    sizeof(sa_family_t) - _SS_PAD1SIZE - _SS_ALIGNSIZE)
>
>struct sockaddr_storage {
>	unsigned char	ss_len;		/* address length */
>	sa_family_t	ss_family;	/* address family */
>	char		__ss_pad1[_SS_PAD1SIZE];
>	__int64_t	__ss_align;	/* force desired struct alignment */
>	char		__ss_pad2[_SS_PAD2SIZE];
>};
>
>#endif /* !_SYS__SOCKADDR_STORAGE_H_ */
># 57 "/usr/include/sys/_sockaddr_storage.h" 3 4
># 347 "/usr/include/sys/socket.h" 2 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 349 "/usr/include/sys/socket.h" 3 4
>/*
> * Protocol families, same as address families for now.
> */
>#define	PF_UNSPEC	AF_UNSPEC
>#define	PF_LOCAL	AF_LOCAL
>#define	PF_UNIX		PF_LOCAL	/* backward compatibility */
>#define	PF_INET		AF_INET
>#define	PF_IMPLINK	AF_IMPLINK
>#define	PF_PUP		AF_PUP
>#define	PF_CHAOS	AF_CHAOS
>#define	PF_NETBIOS	AF_NETBIOS
>#define	PF_ISO		AF_ISO
>#define	PF_OSI		AF_ISO
>#define	PF_ECMA		AF_ECMA
>#define	PF_DATAKIT	AF_DATAKIT
>#define	PF_CCITT	AF_CCITT
>#define	PF_SNA		AF_SNA
>#define PF_DECnet	AF_DECnet
>#define PF_DLI		AF_DLI
>#define PF_LAT		AF_LAT
>#define	PF_HYLINK	AF_HYLINK
>#define	PF_APPLETALK	AF_APPLETALK
>#define	PF_ROUTE	AF_ROUTE
>#define	PF_LINK		AF_LINK
>#define	PF_XTP		pseudo_AF_XTP	/* really just proto family, no AF */
>#define	PF_COIP		AF_COIP
>#define	PF_CNT		AF_CNT
>#define	PF_SIP		AF_SIP
>#define	PF_IPX		AF_IPX
>#define PF_RTIP		pseudo_AF_RTIP	/* same format as AF_INET */
>#define PF_PIP		pseudo_AF_PIP
>#define	PF_ISDN		AF_ISDN
>#define	PF_KEY		pseudo_AF_KEY
>#define	PF_INET6	AF_INET6
>#define	PF_NATM		AF_NATM
>#define	PF_ATM		AF_ATM
>#define	PF_NETGRAPH	AF_NETGRAPH
>#define	PF_SLOW		AF_SLOW
>#define PF_SCLUSTER	AF_SCLUSTER
>#define	PF_ARP		AF_ARP
>#define	PF_BLUETOOTH	AF_BLUETOOTH
>#define	PF_IEEE80211	AF_IEEE80211
>#define	PF_INET_SDP	AF_INET_SDP
>#define	PF_INET6_SDP	AF_INET6_SDP
>
>#define	PF_MAX		AF_MAX
>
>/*
> * Definitions for network related sysctl, CTL_NET.
> *
> * Second level is protocol family.
> * Third level is protocol number.
> *
> * Further levels are defined by the individual families.
> */
>
>/*
> * PF_ROUTE - Routing table
> *
> * Three additional levels are defined:
> *	Fourth: address family, 0 is wildcard
> *	Fifth: type of info, defined below
> *	Sixth: flag(s) to mask with for NET_RT_FLAGS
> */
>#define NET_RT_DUMP	1		/* dump; may limit to a.f. */
>#define NET_RT_FLAGS	2		/* by flags, e.g. RESOLVING */
>#define NET_RT_IFLIST	3		/* survey interface list */
>#define	NET_RT_IFMALIST	4		/* return multicast address list */
>#define	NET_RT_IFLISTL	5		/* Survey interface list, using 'l'en
>					 * versions of msghdr structs. */
>#endif /* __BSD_VISIBLE */
># 420 "/usr/include/sys/socket.h" 3 4
>
>/*
> * Maximum queue length specifiable by listen.
> */
>#define	SOMAXCONN	128
>
>/*
> * Message header for recvmsg and sendmsg calls.
> * Used value-result for recvmsg, value only for sendmsg.
> */
>struct msghdr {
>	void		*msg_name;		/* optional address */
>	socklen_t	 msg_namelen;		/* size of address */
>	struct iovec	*msg_iov;		/* scatter/gather array */
>	int		 msg_iovlen;		/* # elements in msg_iov */
>	void		*msg_control;		/* ancillary data, see below */
>	socklen_t	 msg_controllen;	/* ancillary data buffer len */
>	int		 msg_flags;		/* flags on received message */
>};
>
>#define	MSG_OOB		 0x00000001	/* process out-of-band data */
>#define	MSG_PEEK	 0x00000002	/* peek at incoming message */
>#define	MSG_DONTROUTE	 0x00000004	/* send without using routing tables */
>#define	MSG_EOR		 0x00000008	/* data completes record */
>#define	MSG_TRUNC	 0x00000010	/* data discarded before delivery */
>#define	MSG_CTRUNC	 0x00000020	/* control data lost before delivery */
>#define	MSG_WAITALL	 0x00000040	/* wait for full request or error */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 448 "/usr/include/sys/socket.h" 3 4
>#define	MSG_DONTWAIT	 0x00000080	/* this message should be nonblocking */
>#define	MSG_EOF		 0x00000100	/* data completes connection */
>/*			 0x00000200	   unused */
>/*			 0x00000400	   unused */
>/*			 0x00000800	   unused */
>/*			 0x00001000	   unused */
>#define	MSG_NOTIFICATION 0x00002000	/* SCTP notification */
>#define	MSG_NBIO	 0x00004000	/* FIONBIO mode, used by fifofs */
>#define	MSG_COMPAT       0x00008000		/* used in sendit() */
>#endif
># 458 "/usr/include/sys/socket.h" 3 4
>#ifdef _KERNEL
>#define	MSG_SOCALLBCK    0x00010000	/* for use by socket callbacks - soreceive (TCP) */
>#endif
># 461 "/usr/include/sys/socket.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200809
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 462 "/usr/include/sys/socket.h" 3 4
>#define	MSG_NOSIGNAL	 0x00020000	/* do not generate SIGPIPE on EOF */
>#endif
># 464 "/usr/include/sys/socket.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 465 "/usr/include/sys/socket.h" 3 4
>#define	MSG_CMSG_CLOEXEC 0x00040000	/* make received fds close-on-exec */
>#define	MSG_WAITFORONE	 0x00080000	/* for recvmmsg() */
>#endif
># 468 "/usr/include/sys/socket.h" 3 4
>#ifdef _KERNEL
>#define	MSG_MORETOCOME	 0x00100000	/* additional data pending */
>#endif
># 471 "/usr/include/sys/socket.h" 3 4
>
>/*
> * Header for ancillary data objects in msg_control buffer.
> * Used for additional information with/about a datagram
> * not expressible by flags.  The format is a sequence
> * of message elements headed by cmsghdr structures.
> */
>struct cmsghdr {
>	socklen_t	cmsg_len;		/* data byte count, including hdr */
>	int		cmsg_level;		/* originating protocol */
>	int		cmsg_type;		/* protocol-specific type */
>/* followed by	u_char  cmsg_data[]; */
>};
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 486 "/usr/include/sys/socket.h" 3 4
>/*
> * While we may have more groups than this, the cmsgcred struct must
> * be able to fit in an mbuf and we have historically supported a
> * maximum of 16 groups.
>*/
>#define CMGROUP_MAX 16
>
>/*
> * Credentials structure, used to verify the identity of a peer
> * process that has sent us a message. This is allocated by the
> * peer process but filled in by the kernel. This prevents the
> * peer from lying about its identity. (Note that cmcred_groups[0]
> * is the effective GID.)
> */
>struct cmsgcred {
>	pid_t	cmcred_pid;		/* PID of sending process */
>	uid_t	cmcred_uid;		/* real UID of sending process */
>	uid_t	cmcred_euid;		/* effective UID of sending process */
>	gid_t	cmcred_gid;		/* real GID of sending process */
>	short	cmcred_ngroups;		/* number or groups */
>	gid_t	cmcred_groups[CMGROUP_MAX];	/* groups */
>};
>
>/*
> * Socket credentials.
> */
>struct sockcred {
>	uid_t	sc_uid;			/* real user id */
>	uid_t	sc_euid;		/* effective user id */
>	gid_t	sc_gid;			/* real group id */
>	gid_t	sc_egid;		/* effective group id */
>	int	sc_ngroups;		/* number of supplemental groups */
>	gid_t	sc_groups[1];		/* variable length */
>};
>
>/*
> * Compute size of a sockcred structure with groups.
> */
>#define	SOCKCREDSIZE(ngrps) \
>	(sizeof(struct sockcred) + (sizeof(gid_t) * ((ngrps) - 1)))
>
>#endif /* __BSD_VISIBLE */
># 528 "/usr/include/sys/socket.h" 3 4
>
>/* given pointer to struct cmsghdr, return pointer to data */
>#define	CMSG_DATA(cmsg)		((unsigned char *)(cmsg) + \
>				 _ALIGN(sizeof(struct cmsghdr)))
>
>/* given pointer to struct cmsghdr, return pointer to next cmsghdr */
>#define	CMSG_NXTHDR(mhdr, cmsg)	\
>	((char *)(cmsg) == (char *)0 ? CMSG_FIRSTHDR(mhdr) : \
>	    ((char *)(cmsg) + _ALIGN(((struct cmsghdr *)(cmsg))->cmsg_len) + \
>	  _ALIGN(sizeof(struct cmsghdr)) > \
>	    (char *)(mhdr)->msg_control + (mhdr)->msg_controllen) ? \
>	    (struct cmsghdr *)0 : \
>	    (struct cmsghdr *)(void *)((char *)(cmsg) + \
>	    _ALIGN(((struct cmsghdr *)(cmsg))->cmsg_len)))
>
>/*
> * RFC 2292 requires to check msg_controllen, in case that the kernel returns
> * an empty list for some reasons.
> */
>#define	CMSG_FIRSTHDR(mhdr) \
>	((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
>	 (struct cmsghdr *)(mhdr)->msg_control : \
>	 (struct cmsghdr *)0)
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 553 "/usr/include/sys/socket.h" 3 4
>/* RFC 2292 additions */
>#define	CMSG_SPACE(l)		(_ALIGN(sizeof(struct cmsghdr)) + _ALIGN(l))
>#define	CMSG_LEN(l)		(_ALIGN(sizeof(struct cmsghdr)) + (l))
>#endif
># 557 "/usr/include/sys/socket.h" 3 4
>
>#ifdef _KERNEL
>#define	CMSG_ALIGN(n)	_ALIGN(n)
>#endif
># 561 "/usr/include/sys/socket.h" 3 4
>
>/* "Socket"-level control message types: */
>#define	SCM_RIGHTS	0x01		/* access rights (array of int) */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 565 "/usr/include/sys/socket.h" 3 4
>#define	SCM_TIMESTAMP	0x02		/* timestamp (struct timeval) */
>#define	SCM_CREDS	0x03		/* process creds (struct cmsgcred) */
>#define	SCM_BINTIME	0x04		/* timestamp (struct bintime) */
>#define	SCM_REALTIME	0x05		/* timestamp (struct timespec) */
>#define	SCM_MONOTONIC	0x06		/* timestamp (struct timespec) */
>#define	SCM_TIME_INFO	0x07		/* timestamp info */
>
>struct sock_timestamp_info {
>	__uint32_t	st_info_flags;
>	__uint32_t	st_info_pad0;
>	__uint64_t	st_info_rsv[7];
>};
>
>#define	ST_INFO_HW		0x0001		/* SCM_TIMESTAMP was hw */
>#define	ST_INFO_HW_HPREC	0x0002		/* SCM_TIMESTAMP was hw-assisted
>						   on entrance */
>#endif
># 582 "/usr/include/sys/socket.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 584 "/usr/include/sys/socket.h" 3 4
>/*
> * 4.3 compat sockaddr, move to compat file later
> */
>struct osockaddr {
>	unsigned short sa_family;	/* address family */
>	char	sa_data[14];		/* up to 14 bytes of direct address */
>};
>
>/*
> * 4.3-compat message header (move to compat file later).
> */
>struct omsghdr {
>	char	*msg_name;		/* optional address */
>	int	msg_namelen;		/* size of address */
>	struct	iovec *msg_iov;		/* scatter/gather array */
>	int	msg_iovlen;		/* # elements in msg_iov */
>	char	*msg_accrights;		/* access rights sent/received */
>	int	msg_accrightslen;
>};
>#endif
># 604 "/usr/include/sys/socket.h" 3 4
>
>/*
> * howto arguments for shutdown(2), specified by Posix.1g.
> */
>#define	SHUT_RD		0		/* shut down the reading side */
>#define	SHUT_WR		1		/* shut down the writing side */
>#define	SHUT_RDWR	2		/* shut down both sides */
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 613 "/usr/include/sys/socket.h" 3 4
>/* for SCTP */
>/* we cheat and use the SHUT_XX defines for these */
>#define PRU_FLUSH_RD     SHUT_RD
>#define PRU_FLUSH_WR     SHUT_WR
>#define PRU_FLUSH_RDWR   SHUT_RDWR
>#endif
># 619 "/usr/include/sys/socket.h" 3 4
>
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 622 "/usr/include/sys/socket.h" 3 4
>/*
> * sendfile(2) header/trailer struct
> */
>struct sf_hdtr {
>	struct iovec *headers;	/* pointer to an array of header struct iovec's */
>	int hdr_cnt;		/* number of header iovec's */
>	struct iovec *trailers;	/* pointer to an array of trailer struct iovec's */
>	int trl_cnt;		/* number of trailer iovec's */
>};
>
>/*
> * Sendfile-specific flag(s)
> */
>#define	SF_NODISKIO     0x00000001
>#define	SF_MNOWAIT	0x00000002	/* obsolete */
>#define	SF_SYNC		0x00000004
>#define	SF_USER_READAHEAD	0x00000008
>#define	SF_NOCACHE	0x00000010
>#define	SF_FLAGS(rh, flags)	(((rh) << 16) | (flags))
>
>#ifdef _KERNEL
>#define	SF_READAHEAD(flags)	((flags) >> 16)
>#endif /* _KERNEL */
># 645 "/usr/include/sys/socket.h" 3 4
>
>/*
> * Sendmmsg/recvmmsg specific structure(s)
> */
>struct mmsghdr {
>	struct msghdr	msg_hdr;		/* message header */
>	ssize_t		msg_len;		/* message length */
>};
>#endif /* __BSD_VISIBLE */
># 654 "/usr/include/sys/socket.h" 3 4
>
>#ifndef	_KERNEL
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 657 "/usr/include/sys/socket.h" 3 4
># 658 "/usr/include/sys/socket.h" 3 4
>
>__BEGIN_DECLS
>int	accept(int, struct sockaddr * __restrict, socklen_t * __restrict);
>int	bind(int, const struct sockaddr *, socklen_t);
>int	connect(int, const struct sockaddr *, socklen_t);
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 664 "/usr/include/sys/socket.h" 3 4
>int	accept4(int, struct sockaddr * __restrict, socklen_t * __restrict, int);
>int	bindat(int, int, const struct sockaddr *, socklen_t);
>int	connectat(int, int, const struct sockaddr *, socklen_t);
>#endif
># 668 "/usr/include/sys/socket.h" 3 4
>int	getpeername(int, struct sockaddr * __restrict, socklen_t * __restrict);
>int	getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict);
>int	getsockopt(int, int, int, void * __restrict, socklen_t * __restrict);
>int	listen(int, int);
>ssize_t	recv(int, void *, size_t, int);
>ssize_t	recvfrom(int, void *, size_t, int, struct sockaddr * __restrict, socklen_t * __restrict);
>ssize_t	recvmsg(int, struct msghdr *, int);
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 676 "/usr/include/sys/socket.h" 3 4
>struct timespec;
>ssize_t	recvmmsg(int, struct mmsghdr * __restrict, size_t, int,
>    const struct timespec * __restrict);
>#endif
># 680 "/usr/include/sys/socket.h" 3 4
>ssize_t	send(int, const void *, size_t, int);
>ssize_t	sendto(int, const void *,
>	    size_t, int, const struct sockaddr *, socklen_t);
>ssize_t	sendmsg(int, const struct msghdr *, int);
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 685 "/usr/include/sys/socket.h" 3 4
>int	sendfile(int, int, off_t, size_t, struct sf_hdtr *, off_t *, int);
>ssize_t	sendmmsg(int, struct mmsghdr * __restrict, size_t, int);
>int	setfib(int);
>#endif
># 689 "/usr/include/sys/socket.h" 3 4
>int	setsockopt(int, int, int, const void *, socklen_t);
>int	shutdown(int, int);
>int	sockatmark(int);
>int	socket(int, int, int);
>int	socketpair(int, int, int, int *);
>__END_DECLS
>
>#endif /* !_KERNEL */
># 697 "/usr/include/sys/socket.h" 3 4
>
>#ifdef _KERNEL
>struct socket;
>
>struct tcpcb *so_sototcpcb(struct socket *so);
>struct inpcb *so_sotoinpcb(struct socket *so);
>struct sockbuf *so_sockbuf_snd(struct socket *);
>struct sockbuf *so_sockbuf_rcv(struct socket *);
>
>int so_state_get(const struct socket *);
>void so_state_set(struct socket *, int);
>
>int so_options_get(const struct socket *);
>void so_options_set(struct socket *, int);
>
>int so_error_get(const struct socket *);
>void so_error_set(struct socket *, int);
>
>int so_linger_get(const struct socket *);
>void so_linger_set(struct socket *, int);
>
>struct protosw *so_protosw_get(const struct socket *);
>void so_protosw_set(struct socket *, struct protosw *);
>
>void so_sorwakeup_locked(struct socket *so);
>void so_sowwakeup_locked(struct socket *so);
>
>void so_sorwakeup(struct socket *so);
>void so_sowwakeup(struct socket *so);
>
>void so_lock(struct socket *so);
>void so_unlock(struct socket *so);
>
>#endif /* _KERNEL */
># 731 "/usr/include/sys/socket.h" 3 4
>#endif /* !_SYS_SOCKET_H_ */
># 732 "/usr/include/sys/socket.h" 3 4
># 38 "/usr/src/lib/libnv/msgio.c" 2
>
>#if 0 /* expanded by -frewrite-includes */
>#include <errno.h>
>#endif /* expanded by -frewrite-includes */
># 39 "/usr/src/lib/libnv/msgio.c"
># 1 "/usr/include/errno.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1982, 1986, 1989, 1993
> *	The Regents of the University of California.  All rights reserved.
> * (c) UNIX System Laboratories, Inc.
> * All or some portions of this file are derived from material licensed
> * to the University of California by American Telephone and Telegraph
> * Co. or Unix System Laboratories, Inc. and are reproduced herein with
> * the permission of UNIX System Laboratories, Inc.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)errno.h	8.5 (Berkeley) 1/21/94
> * $FreeBSD: stable/12/sys/sys/errno.h 357296 2020-01-30 16:11:19Z mav $
> */
>
>#ifndef _SYS_ERRNO_H_
>#define _SYS_ERRNO_H_
>
>#if 0 /* disabled by -frewrite-includes */
>#if !defined(_KERNEL) && !defined(_STANDALONE)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 44 "/usr/include/errno.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 44 "/usr/include/errno.h" 3 4
># 45 "/usr/include/errno.h" 3 4
>__BEGIN_DECLS
>int *	__error(void);
>__END_DECLS
>#define	errno		(* __error())
>#endif
># 50 "/usr/include/errno.h" 3 4
>
>#define	EPERM		1		/* Operation not permitted */
>#define	ENOENT		2		/* No such file or directory */
>#define	ESRCH		3		/* No such process */
>#define	EINTR		4		/* Interrupted system call */
>#define	EIO		5		/* Input/output error */
>#define	ENXIO		6		/* Device not configured */
>#define	E2BIG		7		/* Argument list too long */
>#define	ENOEXEC		8		/* Exec format error */
>#define	EBADF		9		/* Bad file descriptor */
>#define	ECHILD		10		/* No child processes */
>#define	EDEADLK		11		/* Resource deadlock avoided */
>					/* 11 was EAGAIN */
>#define	ENOMEM		12		/* Cannot allocate memory */
>#define	EACCES		13		/* Permission denied */
>#define	EFAULT		14		/* Bad address */
>#ifndef _POSIX_SOURCE
>#define	ENOTBLK		15		/* Block device required */
>#endif
># 69 "/usr/include/errno.h" 3 4
>#define	EBUSY		16		/* Device busy */
>#define	EEXIST		17		/* File exists */
>#define	EXDEV		18		/* Cross-device link */
>#define	ENODEV		19		/* Operation not supported by device */
>#define	ENOTDIR		20		/* Not a directory */
>#define	EISDIR		21		/* Is a directory */
>#define	EINVAL		22		/* Invalid argument */
>#define	ENFILE		23		/* Too many open files in system */
>#define	EMFILE		24		/* Too many open files */
>#define	ENOTTY		25		/* Inappropriate ioctl for device */
>#ifndef _POSIX_SOURCE
>#define	ETXTBSY		26		/* Text file busy */
>#endif
># 82 "/usr/include/errno.h" 3 4
>#define	EFBIG		27		/* File too large */
>#define	ENOSPC		28		/* No space left on device */
>#define	ESPIPE		29		/* Illegal seek */
>#define	EROFS		30		/* Read-only filesystem */
>#define	EMLINK		31		/* Too many links */
>#define	EPIPE		32		/* Broken pipe */
>
>/* math software */
>#define	EDOM		33		/* Numerical argument out of domain */
>#define	ERANGE		34		/* Result too large */
>
>/* non-blocking and interrupt i/o */
>#define	EAGAIN		35		/* Resource temporarily unavailable */
>#ifndef _POSIX_SOURCE
>#define	EWOULDBLOCK	EAGAIN		/* Operation would block */
>#define	EINPROGRESS	36		/* Operation now in progress */
>#define	EALREADY	37		/* Operation already in progress */
>
>/* ipc/network software -- argument errors */
>#define	ENOTSOCK	38		/* Socket operation on non-socket */
>#define	EDESTADDRREQ	39		/* Destination address required */
>#define	EMSGSIZE	40		/* Message too long */
>#define	EPROTOTYPE	41		/* Protocol wrong type for socket */
>#define	ENOPROTOOPT	42		/* Protocol not available */
>#define	EPROTONOSUPPORT	43		/* Protocol not supported */
>#define	ESOCKTNOSUPPORT	44		/* Socket type not supported */
>#define	EOPNOTSUPP	45		/* Operation not supported */
>#define	ENOTSUP		EOPNOTSUPP	/* Operation not supported */
>#define	EPFNOSUPPORT	46		/* Protocol family not supported */
>#define	EAFNOSUPPORT	47		/* Address family not supported by protocol family */
>#define	EADDRINUSE	48		/* Address already in use */
>#define	EADDRNOTAVAIL	49		/* Can't assign requested address */
>
>/* ipc/network software -- operational errors */
>#define	ENETDOWN	50		/* Network is down */
>#define	ENETUNREACH	51		/* Network is unreachable */
>#define	ENETRESET	52		/* Network dropped connection on reset */
>#define	ECONNABORTED	53		/* Software caused connection abort */
>#define	ECONNRESET	54		/* Connection reset by peer */
>#define	ENOBUFS		55		/* No buffer space available */
>#define	EISCONN		56		/* Socket is already connected */
>#define	ENOTCONN	57		/* Socket is not connected */
>#define	ESHUTDOWN	58		/* Can't send after socket shutdown */
>#define	ETOOMANYREFS	59		/* Too many references: can't splice */
>#define	ETIMEDOUT	60		/* Operation timed out */
>#define	ECONNREFUSED	61		/* Connection refused */
>
>#define	ELOOP		62		/* Too many levels of symbolic links */
>#endif /* _POSIX_SOURCE */
># 131 "/usr/include/errno.h" 3 4
>#define	ENAMETOOLONG	63		/* File name too long */
>
>/* should be rearranged */
>#ifndef _POSIX_SOURCE
>#define	EHOSTDOWN	64		/* Host is down */
>#define	EHOSTUNREACH	65		/* No route to host */
>#endif /* _POSIX_SOURCE */
># 138 "/usr/include/errno.h" 3 4
>#define	ENOTEMPTY	66		/* Directory not empty */
>
>/* quotas & mush */
>#ifndef _POSIX_SOURCE
>#define	EPROCLIM	67		/* Too many processes */
>#define	EUSERS		68		/* Too many users */
>#define	EDQUOT		69		/* Disc quota exceeded */
>
>/* Network File System */
>#define	ESTALE		70		/* Stale NFS file handle */
>#define	EREMOTE		71		/* Too many levels of remote in path */
>#define	EBADRPC		72		/* RPC struct is bad */
>#define	ERPCMISMATCH	73		/* RPC version wrong */
>#define	EPROGUNAVAIL	74		/* RPC prog. not avail */
>#define	EPROGMISMATCH	75		/* Program version wrong */
>#define	EPROCUNAVAIL	76		/* Bad procedure for program */
>#endif /* _POSIX_SOURCE */
># 155 "/usr/include/errno.h" 3 4
>
>#define	ENOLCK		77		/* No locks available */
>#define	ENOSYS		78		/* Function not implemented */
>
>#ifndef _POSIX_SOURCE
>#define	EFTYPE		79		/* Inappropriate file type or format */
>#define	EAUTH		80		/* Authentication error */
>#define	ENEEDAUTH	81		/* Need authenticator */
>#define	EIDRM		82		/* Identifier removed */
>#define	ENOMSG		83		/* No message of desired type */
>#define	EOVERFLOW	84		/* Value too large to be stored in data type */
>#define	ECANCELED	85		/* Operation canceled */
>#define	EILSEQ		86		/* Illegal byte sequence */
>#define	ENOATTR		87		/* Attribute not found */
>
>#define	EDOOFUS		88		/* Programming error */
>#endif /* _POSIX_SOURCE */
># 172 "/usr/include/errno.h" 3 4
>
>#define	EBADMSG		89		/* Bad message */
>#define	EMULTIHOP	90		/* Multihop attempted */
>#define	ENOLINK		91		/* Link has been severed */
>#define	EPROTO		92		/* Protocol error */
>
>#ifndef _POSIX_SOURCE
>#define	ENOTCAPABLE	93		/* Capabilities insufficient */
>#define	ECAPMODE	94		/* Not permitted in capability mode */
>#define	ENOTRECOVERABLE	95		/* State not recoverable */
>#define	EOWNERDEAD	96		/* Previous owner died */
>#define	EINTEGRITY	97		/* Integrity check failed */
>#endif /* _POSIX_SOURCE */
># 185 "/usr/include/errno.h" 3 4
>
>#ifndef _POSIX_SOURCE
>#define	ELAST		97		/* Must be equal largest errno */
>#endif /* _POSIX_SOURCE */
># 189 "/usr/include/errno.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if defined(_KERNEL) || defined(_WANT_KERNEL_ERRNO)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 191 "/usr/include/errno.h" 3 4
>/* pseudo-errors returned inside kernel to modify return to process */
>#define	ERESTART	(-1)		/* restart syscall */
>#define	EJUSTRETURN	(-2)		/* don't modify regs, just return */
>#define	ENOIOCTL	(-3)		/* ioctl not handled by this layer */
>#define	EDIRIOCTL	(-4)		/* do direct ioctl in GEOM */
>#define	ERELOOKUP	(-5)		/* retry the directory lookup */
>#endif
># 198 "/usr/include/errno.h" 3 4
>
>#ifndef _KERNEL
>#if 0 /* disabled by -frewrite-includes */
>#if __EXT1_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 201 "/usr/include/errno.h" 3 4
>/* ISO/IEC 9899:2011 K.3.2.2 */
>#ifndef _ERRNO_T_DEFINED
>#define _ERRNO_T_DEFINED
>typedef int errno_t;
>#endif
># 206 "/usr/include/errno.h" 3 4
>#endif /* __EXT1_VISIBLE */
># 207 "/usr/include/errno.h" 3 4
>#endif
># 208 "/usr/include/errno.h" 3 4
>
>#endif
># 210 "/usr/include/errno.h" 3 4
># 40 "/usr/src/lib/libnv/msgio.c" 2
>#if 0 /* expanded by -frewrite-includes */
>#include <fcntl.h>
>#endif /* expanded by -frewrite-includes */
># 40 "/usr/src/lib/libnv/msgio.c"
># 1 "/usr/include/fcntl.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1983, 1990, 1993
> *	The Regents of the University of California.  All rights reserved.
> * (c) UNIX System Laboratories, Inc.
> * All or some portions of this file are derived from material licensed
> * to the University of California by American Telephone and Telegraph
> * Co. or Unix System Laboratories, Inc. and are reproduced herein with
> * the permission of UNIX System Laboratories, Inc.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)fcntl.h	8.3 (Berkeley) 1/21/94
> * $FreeBSD: stable/12/sys/sys/fcntl.h 357706 2020-02-09 22:15:35Z kevans $
> */
>
>#ifndef _SYS_FCNTL_H_
>#define	_SYS_FCNTL_H_
>
>/*
> * This file includes the definitions for open and fcntl
> * described by POSIX for <fcntl.h>; it also includes
> * related kernel definitions.
> */
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 49 "/usr/include/fcntl.h" 3 4
># 50 "/usr/include/fcntl.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_types.h>
>#endif /* expanded by -frewrite-includes */
># 50 "/usr/include/fcntl.h" 3 4
># 51 "/usr/include/fcntl.h" 3 4
>
>#ifndef _MODE_T_DECLARED
>typedef	__mode_t	mode_t;
>#define	_MODE_T_DECLARED
>#endif
># 56 "/usr/include/fcntl.h" 3 4
>
>#ifndef _OFF_T_DECLARED
>typedef	__off_t		off_t;
>#define	_OFF_T_DECLARED
>#endif
># 61 "/usr/include/fcntl.h" 3 4
>
>#ifndef _PID_T_DECLARED
>typedef	__pid_t		pid_t;
>#define	_PID_T_DECLARED
>#endif
># 66 "/usr/include/fcntl.h" 3 4
>
>/*
> * File status flags: these are used by open(2), fcntl(2).
> * They are also used (indirectly) in the kernel file structure f_flags,
> * which is a superset of the open/fcntl flags.  Open flags and f_flags
> * are inter-convertible using OFLAGS(fflags) and FFLAGS(oflags).
> * Open/fcntl flags begin with O_; kernel-internal flags begin with F.
> */
>/* open-only flags */
>#define	O_RDONLY	0x0000		/* open for reading only */
>#define	O_WRONLY	0x0001		/* open for writing only */
>#define	O_RDWR		0x0002		/* open for reading and writing */
>#define	O_ACCMODE	0x0003		/* mask for above modes */
>
>/*
> * Kernel encoding of open mode; separate read and write bits that are
> * independently testable: 1 greater than the above.
> *
> * XXX
> * FREAD and FWRITE are excluded from the #ifdef _KERNEL so that TIOCFLUSH,
> * which was documented to use FREAD/FWRITE, continues to work.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 89 "/usr/include/fcntl.h" 3 4
>#define	FREAD		0x0001
>#define	FWRITE		0x0002
>#endif
># 92 "/usr/include/fcntl.h" 3 4
>#define	O_NONBLOCK	0x0004		/* no delay */
>#define	O_APPEND	0x0008		/* set append mode */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 95 "/usr/include/fcntl.h" 3 4
>#define	O_SHLOCK	0x0010		/* open with shared file lock */
>#define	O_EXLOCK	0x0020		/* open with exclusive file lock */
>#define	O_ASYNC		0x0040		/* signal pgrp when data ready */
>#define	O_FSYNC		0x0080		/* synchronous writes */
>#endif
># 100 "/usr/include/fcntl.h" 3 4
>#define	O_SYNC		0x0080		/* POSIX synonym for O_FSYNC */
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200809
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 102 "/usr/include/fcntl.h" 3 4
>#define	O_NOFOLLOW	0x0100		/* don't follow symlinks */
>#endif
># 104 "/usr/include/fcntl.h" 3 4
>#define	O_CREAT		0x0200		/* create if nonexistent */
>#define	O_TRUNC		0x0400		/* truncate to zero length */
>#define	O_EXCL		0x0800		/* error if already exists */
>#ifdef _KERNEL
>#define	FHASLOCK	0x4000		/* descriptor holds advisory lock */
>#endif
># 110 "/usr/include/fcntl.h" 3 4
>
>/* Defined by POSIX 1003.1; BSD default, but must be distinct from O_RDONLY. */
>#define	O_NOCTTY	0x8000		/* don't assign controlling terminal */
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 115 "/usr/include/fcntl.h" 3 4
>/* Attempt to bypass buffer cache */
>#define	O_DIRECT	0x00010000
>#endif
># 118 "/usr/include/fcntl.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200809
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 120 "/usr/include/fcntl.h" 3 4
>#define	O_DIRECTORY	0x00020000	/* Fail if not directory */
>#define	O_EXEC		0x00040000	/* Open for execute only */
>#define	O_SEARCH	O_EXEC
>#endif
># 124 "/usr/include/fcntl.h" 3 4
>#ifdef	_KERNEL
>#define	FEXEC		O_EXEC
>#define	FSEARCH		O_SEARCH
>#endif
># 128 "/usr/include/fcntl.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200809
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 130 "/usr/include/fcntl.h" 3 4
>/* Defined by POSIX 1003.1-2008; BSD default, but reserve for future use. */
>#define	O_TTY_INIT	0x00080000	/* Restore default termios attributes */
>
>#define	O_CLOEXEC	0x00100000
>#endif
># 135 "/usr/include/fcntl.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 137 "/usr/include/fcntl.h" 3 4
>#define	O_VERIFY	0x00200000	/* open only after verification */
>#endif
># 139 "/usr/include/fcntl.h" 3 4
>
>/*
> * XXX missing O_DSYNC, O_RSYNC.
> */
>
>#ifdef _KERNEL
>
>/* Only for devfs d_close() flags. */
>#define	FLASTCLOSE	O_DIRECTORY
>#define	FREVOKE		O_VERIFY
>/* Only for fo_close() from half-succeeded open */
>#define	FOPENFAILED	O_TTY_INIT
>
>/* convert from open() flags to/from fflags; convert O_RD/WR to FREAD/FWRITE */
>#define	FFLAGS(oflags)	((oflags) & O_EXEC ? (oflags) : (oflags) + 1)
>#define	OFLAGS(fflags)	((fflags) & O_EXEC ? (fflags) : (fflags) - 1)
>
>/* bits to save after open */
>#define	FMASK	(FREAD|FWRITE|FAPPEND|FASYNC|FFSYNC|FNONBLOCK|O_DIRECT|FEXEC)
>/* bits settable by fcntl(F_SETFL, ...) */
>#define	FCNTLFLAGS	(FAPPEND|FASYNC|FFSYNC|FNONBLOCK|FRDAHEAD|O_DIRECT)
>
>#if 0 /* disabled by -frewrite-includes */
>#if defined(COMPAT_FREEBSD7) || defined(COMPAT_FREEBSD6) || \
>    defined(COMPAT_FREEBSD5) || defined(COMPAT_FREEBSD4)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 163 "/usr/include/fcntl.h" 3 4
>/*
> * Set by shm_open(3) in older libc's to get automatic MAP_ASYNC
> * behavior for POSIX shared memory objects (which are otherwise
> * implemented as plain files).
> */
>#define	FPOSIXSHM	O_NOFOLLOW
>#undef FCNTLFLAGS
>#define	FCNTLFLAGS	(FAPPEND|FASYNC|FFSYNC|FNONBLOCK|FPOSIXSHM|FRDAHEAD| \
>			 O_DIRECT)
>#endif
># 173 "/usr/include/fcntl.h" 3 4
>#endif
># 174 "/usr/include/fcntl.h" 3 4
>
>/*
> * The O_* flags used to have only F* names, which were used in the kernel
> * and by fcntl.  We retain the F* names for the kernel f_flag field
> * and for backward compatibility for fcntl.  These flags are deprecated.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 181 "/usr/include/fcntl.h" 3 4
>#define	FAPPEND		O_APPEND	/* kernel/compat */
>#define	FASYNC		O_ASYNC		/* kernel/compat */
>#define	FFSYNC		O_FSYNC		/* kernel */
>#define	FNONBLOCK	O_NONBLOCK	/* kernel */
>#define	FNDELAY		O_NONBLOCK	/* compat */
>#define	O_NDELAY	O_NONBLOCK	/* compat */
>#endif
># 188 "/usr/include/fcntl.h" 3 4
>
>/*
> * We are out of bits in f_flag (which is a short).  However,
> * the flag bits not set in FMASK are only meaningful in the
> * initial open syscall.  Those bits can thus be given a
> * different meaning for fcntl(2).
> */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 196 "/usr/include/fcntl.h" 3 4
>/* Read ahead */
>#define	FRDAHEAD	O_CREAT
>#endif
># 199 "/usr/include/fcntl.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200809
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 201 "/usr/include/fcntl.h" 3 4
>/*
> * Magic value that specify the use of the current working directory
> * to determine the target of relative file paths in the openat() and
> * similar syscalls.
> */
>#define	AT_FDCWD		-100
>
>/*
> * Miscellaneous flags for the *at() syscalls.
> */
>#define	AT_EACCESS		0x100	/* Check access using effective user and group ID */
>#define	AT_SYMLINK_NOFOLLOW	0x200   /* Do not follow symbolic links */
>#define	AT_SYMLINK_FOLLOW	0x400	/* Follow symbolic link */
>#define	AT_REMOVEDIR		0x800	/* Remove directory instead of file */
>#endif
># 216 "/usr/include/fcntl.h" 3 4
>
>/*
> * Constants used for fcntl(2)
> */
>
>/* command values */
>#define	F_DUPFD		0		/* duplicate file descriptor */
>#define	F_GETFD		1		/* get file descriptor flags */
>#define	F_SETFD		2		/* set file descriptor flags */
>#define	F_GETFL		3		/* get file status flags */
>#define	F_SETFL		4		/* set file status flags */
>#if 0 /* disabled by -frewrite-includes */
>#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 228 "/usr/include/fcntl.h" 3 4
>#define	F_GETOWN	5		/* get SIGIO/SIGURG proc/pgrp */
>#define	F_SETOWN	6		/* set SIGIO/SIGURG proc/pgrp */
>#endif
># 231 "/usr/include/fcntl.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 232 "/usr/include/fcntl.h" 3 4
>#define	F_OGETLK	7		/* get record locking information */
>#define	F_OSETLK	8		/* set record locking information */
>#define	F_OSETLKW	9		/* F_SETLK; wait if blocked */
>#define	F_DUP2FD	10		/* duplicate file descriptor to arg */
>#endif
># 237 "/usr/include/fcntl.h" 3 4
>#define	F_GETLK		11		/* get record locking information */
>#define	F_SETLK		12		/* set record locking information */
>#define	F_SETLKW	13		/* F_SETLK; wait if blocked */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 241 "/usr/include/fcntl.h" 3 4
>#define	F_SETLK_REMOTE	14		/* debugging support for remote locks */
>#define	F_READAHEAD	15		/* read ahead */
>#define	F_RDAHEAD	16		/* Darwin compatible read ahead */
>#endif
># 245 "/usr/include/fcntl.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200809
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 246 "/usr/include/fcntl.h" 3 4
>#define	F_DUPFD_CLOEXEC	17		/* Like F_DUPFD, but FD_CLOEXEC is set */
>#endif
># 248 "/usr/include/fcntl.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 249 "/usr/include/fcntl.h" 3 4
>#define	F_DUP2FD_CLOEXEC 18		/* Like F_DUP2FD, but FD_CLOEXEC is set */
>#endif
># 251 "/usr/include/fcntl.h" 3 4
>
>/* file descriptor flags (F_GETFD, F_SETFD) */
>#define	FD_CLOEXEC	1		/* close-on-exec flag */
>
>/* record locking flags (F_GETLK, F_SETLK, F_SETLKW) */
>#define	F_RDLCK		1		/* shared or read lock */
>#define	F_UNLCK		2		/* unlock */
>#define	F_WRLCK		3		/* exclusive or write lock */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 260 "/usr/include/fcntl.h" 3 4
>#define	F_UNLCKSYS	4		/* purge locks for a given system ID */ 
>#define	F_CANCEL	5		/* cancel an async lock request */
>#endif
># 263 "/usr/include/fcntl.h" 3 4
>#ifdef _KERNEL
>#define	F_WAIT		0x010		/* Wait until lock is granted */
>#define	F_FLOCK		0x020	 	/* Use flock(2) semantics for lock */
>#define	F_POSIX		0x040	 	/* Use POSIX semantics for lock */
>#define	F_REMOTE	0x080		/* Lock owner is remote NFS client */
>#define	F_NOINTR	0x100		/* Ignore signals when waiting */
>#endif
># 270 "/usr/include/fcntl.h" 3 4
>
>/*
> * Advisory file segment locking data type -
> * information passed to system by user
> */
>struct flock {
>	off_t	l_start;	/* starting offset */
>	off_t	l_len;		/* len = 0 means until end of file */
>	pid_t	l_pid;		/* lock owner */
>	short	l_type;		/* lock type: read/write, etc. */
>	short	l_whence;	/* type of l_start */
>	int	l_sysid;	/* remote system id or zero for local */
>};
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 285 "/usr/include/fcntl.h" 3 4
>/*
> * Old advisory file segment locking data type,
> * before adding l_sysid.
> */
>struct __oflock {
>	off_t	l_start;	/* starting offset */
>	off_t	l_len;		/* len = 0 means until end of file */
>	pid_t	l_pid;		/* lock owner */
>	short	l_type;		/* lock type: read/write, etc. */
>	short	l_whence;	/* type of l_start */
>};
>#endif
># 297 "/usr/include/fcntl.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 299 "/usr/include/fcntl.h" 3 4
>/* lock operations for flock(2) */
>#define	LOCK_SH		0x01		/* shared file lock */
>#define	LOCK_EX		0x02		/* exclusive file lock */
>#define	LOCK_NB		0x04		/* don't block when locking */
>#define	LOCK_UN		0x08		/* unlock file */
>#endif
># 305 "/usr/include/fcntl.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200112
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 307 "/usr/include/fcntl.h" 3 4
>/*
> * Advice to posix_fadvise
> */
>#define	POSIX_FADV_NORMAL	0	/* no special treatment */
>#define	POSIX_FADV_RANDOM	1	/* expect random page references */
>#define	POSIX_FADV_SEQUENTIAL	2	/* expect sequential page references */
>#define	POSIX_FADV_WILLNEED	3	/* will need these pages */
>#define	POSIX_FADV_DONTNEED	4	/* dont need these pages */
>#define	POSIX_FADV_NOREUSE	5	/* access data only once */
>#endif
># 317 "/usr/include/fcntl.h" 3 4
>
>#ifndef _KERNEL
>__BEGIN_DECLS
>int	open(const char *, int, ...);
>int	creat(const char *, mode_t);
>int	fcntl(int, int, ...);
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 324 "/usr/include/fcntl.h" 3 4
>int	flock(int, int);
>#endif
># 326 "/usr/include/fcntl.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200809
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 327 "/usr/include/fcntl.h" 3 4
>int	openat(int, const char *, int, ...);
>#endif
># 329 "/usr/include/fcntl.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200112
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 330 "/usr/include/fcntl.h" 3 4
>int	posix_fadvise(int, off_t, off_t, int);
>int	posix_fallocate(int, off_t, off_t);
>#endif
># 333 "/usr/include/fcntl.h" 3 4
>__END_DECLS
>#endif
># 335 "/usr/include/fcntl.h" 3 4
>
>#endif /* !_SYS_FCNTL_H_ */
># 337 "/usr/include/fcntl.h" 3 4
># 41 "/usr/src/lib/libnv/msgio.c" 2
>#if 0 /* expanded by -frewrite-includes */
>#include <stdbool.h>
>#endif /* expanded by -frewrite-includes */
># 41 "/usr/src/lib/libnv/msgio.c"
># 1 "/usr/include/stdbool.h" 1 3 4
>/*
> * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
> *
> * Copyright (c) 2000 Jeroen Ruigrok van der Werven <asmodai@FreeBSD.org>
> * All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> *
> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> * $FreeBSD: stable/12/include/stdbool.h 326192 2017-11-25 17:09:43Z pfg $
> */
>
>#ifndef __bool_true_false_are_defined
>#define	__bool_true_false_are_defined	1
>
>#ifndef __cplusplus
>
>#define	false	0
>#define	true	1
>
>#define	bool	_Bool
>#if 0 /* disabled by -frewrite-includes */
>#if __STDC_VERSION__ < 199901L && __GNUC__ < 3 && !defined(__INTEL_COMPILER)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 0 /* evaluated by -frewrite-includes */
># 41 "/usr/include/stdbool.h" 3 4
>typedef	int	_Bool;
>#endif
># 43 "/usr/include/stdbool.h" 3 4
>
>#endif /* !__cplusplus */
># 45 "/usr/include/stdbool.h" 3 4
>#endif /* __bool_true_false_are_defined */
># 46 "/usr/include/stdbool.h" 3 4
># 42 "/usr/src/lib/libnv/msgio.c" 2
>#if 0 /* expanded by -frewrite-includes */
>#include <stdint.h>
>#endif /* expanded by -frewrite-includes */
># 42 "/usr/src/lib/libnv/msgio.c"
># 1 "/usr/include/stdint.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
> *
> * Copyright (c) 2001 Mike Barcroft <mike@FreeBSD.org>
> * All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> *
> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> * $FreeBSD: stable/12/sys/sys/stdint.h 326256 2017-11-27 15:01:59Z pfg $
> */
>
>#ifndef _SYS_STDINT_H_
>#define _SYS_STDINT_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 34 "/usr/include/stdint.h" 3 4
># 35 "/usr/include/stdint.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_types.h>
>#endif /* expanded by -frewrite-includes */
># 35 "/usr/include/stdint.h" 3 4
># 36 "/usr/include/stdint.h" 3 4
>
>#if 0 /* expanded by -frewrite-includes */
>#include <machine/_stdint.h>
>#endif /* expanded by -frewrite-includes */
># 37 "/usr/include/stdint.h" 3 4
># 1 "/usr/include/machine/_stdint.h" 1 3 4
>/*-
> * This file is in the public domain.
> */
>/* $FreeBSD: stable/12/sys/amd64/include/_stdint.h 232264 2012-02-28 18:38:33Z tijl $ */
>
>#if 0 /* expanded by -frewrite-includes */
>#include <x86/_stdint.h>
>#endif /* expanded by -frewrite-includes */
># 6 "/usr/include/machine/_stdint.h" 3 4
># 1 "/usr/include/x86/_stdint.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-4-Clause
> *
> * Copyright (c) 2001, 2002 Mike Barcroft <mike@FreeBSD.org>
> * Copyright (c) 2001 The NetBSD Foundation, Inc.
> * All rights reserved.
> *
> * This code is derived from software contributed to The NetBSD Foundation
> * by Klaus Klein.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. All advertising materials mentioning features or use of this software
> *    must display the following acknowledgement:
> *        This product includes software developed by the NetBSD
> *        Foundation, Inc. and its contributors.
> * 4. Neither the name of The NetBSD Foundation nor the names of its
> *    contributors may be used to endorse or promote products derived
> *    from this software without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
> * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
> * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
> * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
> * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
> * POSSIBILITY OF SUCH DAMAGE.
> *
> * $FreeBSD: stable/12/sys/x86/include/_stdint.h 326263 2017-11-27 15:11:47Z pfg $
> */
>
>#ifndef _MACHINE__STDINT_H_
>#define	_MACHINE__STDINT_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <machine/_limits.h>
>#endif /* expanded by -frewrite-includes */
># 45 "/usr/include/x86/_stdint.h" 3 4
># 1 "/usr/include/machine/_limits.h" 1 3 4
>/*-
> * This file is in the public domain.
> */
>/* $FreeBSD: stable/12/sys/amd64/include/_limits.h 232262 2012-02-28 18:24:28Z tijl $ */
>
>#if 0 /* expanded by -frewrite-includes */
>#include <x86/_limits.h>
>#endif /* expanded by -frewrite-includes */
># 6 "/usr/include/machine/_limits.h" 3 4
># 7 "/usr/include/machine/_limits.h" 3 4
># 46 "/usr/include/x86/_stdint.h" 2 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 48 "/usr/include/x86/_stdint.h" 3 4
>
>#define	INT8_C(c)		(c)
>#define	INT16_C(c)		(c)
>#define	INT32_C(c)		(c)
>
>#define	UINT8_C(c)		(c)
>#define	UINT16_C(c)		(c)
>#define	UINT32_C(c)		(c ## U)
>
>#ifdef	__LP64__
>#define	INT64_C(c)		(c ## L)
>#define	UINT64_C(c)		(c ## UL)
>#else
># 61 "/usr/include/x86/_stdint.h" 3 4
>#define	INT64_C(c)		(c ## LL)
>#define	UINT64_C(c)		(c ## ULL)
>#endif
># 64 "/usr/include/x86/_stdint.h" 3 4
>
>#define	INTMAX_C(c)		INT64_C(c)
>#define	UINTMAX_C(c)		UINT64_C(c)
>
>#endif /* !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) */
># 69 "/usr/include/x86/_stdint.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 71 "/usr/include/x86/_stdint.h" 3 4
>
>/*
> * ISO/IEC 9899:1999
> * 7.18.2.1 Limits of exact-width integer types
> */
>#define	INT8_MIN	(-0x7f-1)
>#define	INT16_MIN	(-0x7fff-1)
>#define	INT32_MIN	(-0x7fffffff-1)
>
>#define	INT8_MAX	0x7f
>#define	INT16_MAX	0x7fff
>#define	INT32_MAX	0x7fffffff
>
>#define	UINT8_MAX	0xff
>#define	UINT16_MAX	0xffff
>#define	UINT32_MAX	0xffffffffU
>
>#ifdef __LP64__
>#define	INT64_MIN	(-0x7fffffffffffffff-1)
>#define	INT64_MAX	0x7fffffffffffffff
>#define	UINT64_MAX	0xffffffffffffffff
>#else
># 93 "/usr/include/x86/_stdint.h" 3 4
>#define	INT64_MIN	(-0x7fffffffffffffffLL-1)
>#define	INT64_MAX	0x7fffffffffffffffLL
>#define	UINT64_MAX	0xffffffffffffffffULL
>#endif
># 97 "/usr/include/x86/_stdint.h" 3 4
>
>/*
> * ISO/IEC 9899:1999
> * 7.18.2.2  Limits of minimum-width integer types
> */
>/* Minimum values of minimum-width signed integer types. */
>#define	INT_LEAST8_MIN	INT8_MIN
>#define	INT_LEAST16_MIN	INT16_MIN
>#define	INT_LEAST32_MIN	INT32_MIN
>#define	INT_LEAST64_MIN	INT64_MIN
>
>/* Maximum values of minimum-width signed integer types. */
>#define	INT_LEAST8_MAX	INT8_MAX
>#define	INT_LEAST16_MAX	INT16_MAX
>#define	INT_LEAST32_MAX	INT32_MAX
>#define	INT_LEAST64_MAX	INT64_MAX
>
>/* Maximum values of minimum-width unsigned integer types. */
>#define	UINT_LEAST8_MAX	 UINT8_MAX
>#define	UINT_LEAST16_MAX UINT16_MAX
>#define	UINT_LEAST32_MAX UINT32_MAX
>#define	UINT_LEAST64_MAX UINT64_MAX
>
>/*
> * ISO/IEC 9899:1999
> * 7.18.2.3  Limits of fastest minimum-width integer types
> */
>/* Minimum values of fastest minimum-width signed integer types. */
>#define	INT_FAST8_MIN	INT32_MIN
>#define	INT_FAST16_MIN	INT32_MIN
>#define	INT_FAST32_MIN	INT32_MIN
>#define	INT_FAST64_MIN	INT64_MIN
>
>/* Maximum values of fastest minimum-width signed integer types. */
>#define	INT_FAST8_MAX	INT32_MAX
>#define	INT_FAST16_MAX	INT32_MAX
>#define	INT_FAST32_MAX	INT32_MAX
>#define	INT_FAST64_MAX	INT64_MAX
>
>/* Maximum values of fastest minimum-width unsigned integer types. */
>#define	UINT_FAST8_MAX	UINT32_MAX
>#define	UINT_FAST16_MAX	UINT32_MAX
>#define	UINT_FAST32_MAX	UINT32_MAX
>#define	UINT_FAST64_MAX	UINT64_MAX
>
>/*
> * ISO/IEC 9899:1999
> * 7.18.2.4  Limits of integer types capable of holding object pointers
> */
>#ifdef	__LP64__
>#define	INTPTR_MIN	INT64_MIN
>#define	INTPTR_MAX	INT64_MAX
>#define	UINTPTR_MAX	UINT64_MAX
>#else
># 151 "/usr/include/x86/_stdint.h" 3 4
>#define	INTPTR_MIN	INT32_MIN
>#define	INTPTR_MAX	INT32_MAX
>#define	UINTPTR_MAX	UINT32_MAX
>#endif
># 155 "/usr/include/x86/_stdint.h" 3 4
>
>/*
> * ISO/IEC 9899:1999
> * 7.18.2.5  Limits of greatest-width integer types
> */
>#define	INTMAX_MIN	INT64_MIN
>#define	INTMAX_MAX	INT64_MAX
>#define	UINTMAX_MAX	UINT64_MAX
>
>/*
> * ISO/IEC 9899:1999
> * 7.18.3  Limits of other integer types
> */
>#ifdef	__LP64__
>/* Limits of ptrdiff_t. */
>#define	PTRDIFF_MIN	INT64_MIN	
>#define	PTRDIFF_MAX	INT64_MAX
>
>/* Limits of sig_atomic_t. */
>#define	SIG_ATOMIC_MIN	__LONG_MIN
>#define	SIG_ATOMIC_MAX	__LONG_MAX
>
>/* Limit of size_t. */
>#define	SIZE_MAX	UINT64_MAX
>#else
># 180 "/usr/include/x86/_stdint.h" 3 4
>#define	PTRDIFF_MIN	INT32_MIN
>#define	PTRDIFF_MAX	INT32_MAX
>#define	SIG_ATOMIC_MIN	INT32_MIN
>#define	SIG_ATOMIC_MAX	INT32_MAX
>#define	SIZE_MAX	UINT32_MAX
>#endif
># 186 "/usr/include/x86/_stdint.h" 3 4
>
>/* Limits of wint_t. */
>#define	WINT_MIN	INT32_MIN
>#define	WINT_MAX	INT32_MAX
>
>#endif /* !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) */
># 192 "/usr/include/x86/_stdint.h" 3 4
>
>#endif /* !_MACHINE__STDINT_H_ */
># 194 "/usr/include/x86/_stdint.h" 3 4
># 7 "/usr/include/machine/_stdint.h" 2 3 4
># 38 "/usr/include/stdint.h" 2 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_stdint.h>
>#endif /* expanded by -frewrite-includes */
># 38 "/usr/include/stdint.h" 3 4
># 39 "/usr/include/stdint.h" 3 4
>
>typedef	__int_least8_t		int_least8_t;
>typedef	__int_least16_t		int_least16_t;
>typedef	__int_least32_t		int_least32_t;
>typedef	__int_least64_t		int_least64_t;
>
>typedef	__uint_least8_t		uint_least8_t;
>typedef	__uint_least16_t	uint_least16_t;
>typedef	__uint_least32_t	uint_least32_t;
>typedef	__uint_least64_t	uint_least64_t;
>
>typedef	__int_fast8_t		int_fast8_t;
>typedef	__int_fast16_t		int_fast16_t;
>typedef	__int_fast32_t		int_fast32_t;
>typedef	__int_fast64_t		int_fast64_t;
>
>typedef	__uint_fast8_t		uint_fast8_t;
>typedef	__uint_fast16_t		uint_fast16_t;
>typedef	__uint_fast32_t		uint_fast32_t;
>typedef	__uint_fast64_t		uint_fast64_t;
>
>/* GNU and Darwin define this and people seem to think it's portable */
>#if 0 /* disabled by -frewrite-includes */
>#if defined(UINTPTR_MAX) && defined(UINT64_MAX) && (UINTPTR_MAX == UINT64_MAX)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 62 "/usr/include/stdint.h" 3 4
>#define	__WORDSIZE		64
>#else
># 64 "/usr/include/stdint.h" 3 4
>#define	__WORDSIZE		32
>#endif
># 66 "/usr/include/stdint.h" 3 4
>
>/* Limits of wchar_t. */
>#define	WCHAR_MIN	__WCHAR_MIN
>#define	WCHAR_MAX	__WCHAR_MAX
>
>#if 0 /* disabled by -frewrite-includes */
>#if __EXT1_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 72 "/usr/include/stdint.h" 3 4
>/* ISO/IEC 9899:2011 K.3.4.4 */
>#ifndef RSIZE_MAX
>#define RSIZE_MAX (SIZE_MAX >> 1)
>#endif
># 76 "/usr/include/stdint.h" 3 4
>#endif /* __EXT1_VISIBLE */
># 77 "/usr/include/stdint.h" 3 4
>
>#endif /* !_SYS_STDINT_H_ */
># 79 "/usr/include/stdint.h" 3 4
># 43 "/usr/src/lib/libnv/msgio.c" 2
>#if 0 /* expanded by -frewrite-includes */
>#include <stdlib.h>
>#endif /* expanded by -frewrite-includes */
># 43 "/usr/src/lib/libnv/msgio.c"
># 1 "/usr/include/stdlib.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1990, 1993
> *	The Regents of the University of California.  All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)stdlib.h	8.5 (Berkeley) 5/19/95
> * $FreeBSD: stable/12/include/stdlib.h 338331 2018-08-26 18:04:54Z delphij $
> */
>
>#ifndef _STDLIB_H_
>#define	_STDLIB_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 38 "/usr/include/stdlib.h" 3 4
># 39 "/usr/include/stdlib.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_null.h>
>#endif /* expanded by -frewrite-includes */
># 39 "/usr/include/stdlib.h" 3 4
># 40 "/usr/include/stdlib.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_types.h>
>#endif /* expanded by -frewrite-includes */
># 40 "/usr/include/stdlib.h" 3 4
># 41 "/usr/include/stdlib.h" 3 4
>
>__NULLABILITY_PRAGMA_PUSH
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 45 "/usr/include/stdlib.h" 3 4
>#ifndef _RUNE_T_DECLARED
>typedef	__rune_t	rune_t;
>#define	_RUNE_T_DECLARED
>#endif
># 49 "/usr/include/stdlib.h" 3 4
>#endif
># 50 "/usr/include/stdlib.h" 3 4
>
>#ifndef _SIZE_T_DECLARED
>typedef	__size_t	size_t;
>#define	_SIZE_T_DECLARED
>#endif
># 55 "/usr/include/stdlib.h" 3 4
>
>#ifndef	__cplusplus
>#ifndef _WCHAR_T_DECLARED
>typedef	___wchar_t	wchar_t;
>#define	_WCHAR_T_DECLARED
>#endif
># 61 "/usr/include/stdlib.h" 3 4
>#endif
># 62 "/usr/include/stdlib.h" 3 4
>
>typedef struct {
>	int	quot;		/* quotient */
>	int	rem;		/* remainder */
>} div_t;
>
>typedef struct {
>	long	quot;
>	long	rem;
>} ldiv_t;
>
>#define	EXIT_FAILURE	1
>#define	EXIT_SUCCESS	0
>
>#define	RAND_MAX	0x7ffffffd
>
>__BEGIN_DECLS
>#ifdef _XLOCALE_H_
>#if 0 /* expanded by -frewrite-includes */
>#include <xlocale/_stdlib.h>
>#endif /* expanded by -frewrite-includes */
># 80 "/usr/include/stdlib.h" 3 4
># 81 "/usr/include/stdlib.h" 3 4
>#endif
># 82 "/usr/include/stdlib.h" 3 4
>extern int __mb_cur_max;
>extern int ___mb_cur_max(void);
>#define	MB_CUR_MAX	((size_t)___mb_cur_max())
>
>_Noreturn void	 abort(void);
>int	 abs(int) __pure2;
>int	 atexit(void (* _Nonnull)(void));
>double	 atof(const char *);
>int	 atoi(const char *);
>long	 atol(const char *);
>void	*bsearch(const void *, const void *, size_t,
>	    size_t, int (*)(const void * _Nonnull, const void *));
>void	*calloc(size_t, size_t) __malloc_like __result_use_check
>	     __alloc_size2(1, 2);
>div_t	 div(int, int) __pure2;
>_Noreturn void	 exit(int);
>void	 free(void *);
>char	*getenv(const char *);
>long	 labs(long) __pure2;
>ldiv_t	 ldiv(long, long) __pure2;
>void	*malloc(size_t) __malloc_like __result_use_check __alloc_size(1);
>int	 mblen(const char *, size_t);
>size_t	 mbstowcs(wchar_t * __restrict , const char * __restrict, size_t);
>int	 mbtowc(wchar_t * __restrict, const char * __restrict, size_t);
>void	 qsort(void *, size_t, size_t,
>	    int (* _Nonnull)(const void *, const void *));
>int	 rand(void);
>void	*realloc(void *, size_t) __result_use_check __alloc_size(2);
>void	 srand(unsigned);
>double	 strtod(const char * __restrict, char ** __restrict);
>float	 strtof(const char * __restrict, char ** __restrict);
>long	 strtol(const char * __restrict, char ** __restrict, int);
>long double
>	 strtold(const char * __restrict, char ** __restrict);
>unsigned long
>	 strtoul(const char * __restrict, char ** __restrict, int);
>int	 system(const char *);
>int	 wctomb(char *, wchar_t);
>size_t	 wcstombs(char * __restrict, const wchar_t * __restrict, size_t);
>
>/*
> * Functions added in C99 which we make conditionally available in the
> * BSD^C89 namespace if the compiler supports `long long'.
> * The #if test is more complicated than it ought to be because
> * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long'
> * is not supported in the compilation environment (which therefore means
> * that it can't really be ISO C99).
> *
> * (The only other extension made by C99 in thie header is _Exit().)
> */
>#if 0 /* disabled by -frewrite-includes */
>#if __ISO_C_VISIBLE >= 1999 || defined(__cplusplus)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 133 "/usr/include/stdlib.h" 3 4
>#ifdef __LONG_LONG_SUPPORTED
>/* LONGLONG */
>typedef struct {
>	long long quot;
>	long long rem;
>} lldiv_t;
>
>/* LONGLONG */
>long long
>	 atoll(const char *);
>/* LONGLONG */
>long long
>	 llabs(long long) __pure2;
>/* LONGLONG */
>lldiv_t	 lldiv(long long, long long) __pure2;
>/* LONGLONG */
>long long
>	 strtoll(const char * __restrict, char ** __restrict, int);
>/* LONGLONG */
>unsigned long long
>	 strtoull(const char * __restrict, char ** __restrict, int);
>#endif /* __LONG_LONG_SUPPORTED */
># 155 "/usr/include/stdlib.h" 3 4
>
>_Noreturn void	 _Exit(int);
>#endif /* __ISO_C_VISIBLE >= 1999 */
># 158 "/usr/include/stdlib.h" 3 4
>
>/*
> * If we're in a mode greater than C99, expose C11 functions.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 163 "/usr/include/stdlib.h" 3 4
>void *	aligned_alloc(size_t, size_t) __malloc_like __alloc_align(1)
>	    __alloc_size(2);
>int	at_quick_exit(void (*)(void));
>_Noreturn void
>	quick_exit(int);
>#endif /* __ISO_C_VISIBLE >= 2011 */
># 169 "/usr/include/stdlib.h" 3 4
>/*
> * Extensions made by POSIX relative to C.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 173 "/usr/include/stdlib.h" 3 4
>char	*realpath(const char * __restrict, char * __restrict);
>#endif
># 175 "/usr/include/stdlib.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 199506
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 176 "/usr/include/stdlib.h" 3 4
>int	 rand_r(unsigned *);			/* (TSF) */
>#endif
># 178 "/usr/include/stdlib.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200112
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 179 "/usr/include/stdlib.h" 3 4
>int	 posix_memalign(void **, size_t, size_t); /* (ADV) */
>int	 setenv(const char *, const char *, int);
>int	 unsetenv(const char *);
>#endif
># 183 "/usr/include/stdlib.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 185 "/usr/include/stdlib.h" 3 4
>int	 getsubopt(char **, char *const *, char **);
>#ifndef _MKDTEMP_DECLARED
>char	*mkdtemp(char *);
>#define	_MKDTEMP_DECLARED
>#endif
># 190 "/usr/include/stdlib.h" 3 4
>#ifndef _MKSTEMP_DECLARED
>int	 mkstemp(char *);
>#define	_MKSTEMP_DECLARED
>#endif
># 194 "/usr/include/stdlib.h" 3 4
>#endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */
># 195 "/usr/include/stdlib.h" 3 4
>
>/*
> * The only changes to the XSI namespace in revision 6 were the deletion
> * of the ttyslot() and valloc() functions, which FreeBSD never declared
> * in this header.  For revision 7, ecvt(), fcvt(), and gcvt(), which
> * FreeBSD also does not have, and mktemp(), are to be deleted.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 203 "/usr/include/stdlib.h" 3 4
>/* XXX XSI requires pollution from <sys/wait.h> here.  We'd rather not. */
>long	 a64l(const char *);
>double	 drand48(void);
>/* char	*ecvt(double, int, int * __restrict, int * __restrict); */
>double	 erand48(unsigned short[3]);
>/* char	*fcvt(double, int, int * __restrict, int * __restrict); */
>/* char	*gcvt(double, int, int * __restrict, int * __restrict); */
>int	 grantpt(int);
>char	*initstate(unsigned int, char *, size_t);
>long	 jrand48(unsigned short[3]);
>char	*l64a(long);
>void	 lcong48(unsigned short[7]);
>long	 lrand48(void);
>#if 0 /* disabled by -frewrite-includes */
>#if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 217 "/usr/include/stdlib.h" 3 4
>char	*mktemp(char *);
>#define	_MKTEMP_DECLARED
>#endif
># 220 "/usr/include/stdlib.h" 3 4
>long	 mrand48(void);
>long	 nrand48(unsigned short[3]);
>int	 posix_openpt(int);
>char	*ptsname(int);
>int	 putenv(char *);
>long	 random(void);
>unsigned short
>	*seed48(unsigned short[3]);
>char	*setstate(/* const */ char *);
>void	 srand48(long);
>void	 srandom(unsigned int);
>int	 unlockpt(int);
>#endif /* __XSI_VISIBLE */
># 233 "/usr/include/stdlib.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 235 "/usr/include/stdlib.h" 3 4
>extern const char *malloc_conf;
>extern void (*malloc_message)(void *, const char *);
>
>/*
> * The alloca() function can't be implemented in C, and on some
> * platforms it can't be implemented at all as a callable function.
> * The GNU C compiler provides a built-in alloca() which we can use.
> * On platforms where alloca() is not in libc, programs which use it
> * will fail to link when compiled with non-GNU compilers.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if __GNUC__ >= 2 || defined(__INTEL_COMPILER)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 246 "/usr/include/stdlib.h" 3 4
>#undef  alloca	/* some GNU bits try to get cute and define this on their own */
>#define alloca(sz) __builtin_alloca(sz)
>#endif
># 249 "/usr/include/stdlib.h" 3 4
>
>void	 abort2(const char *, int, void **) __dead2;
>__uint32_t
>	 arc4random(void);
>void	 arc4random_buf(void *, size_t);
>__uint32_t 
>	 arc4random_uniform(__uint32_t);
>
>#ifdef __BLOCKS__
>int	 atexit_b(void (^ _Nonnull)(void));
>void	*bsearch_b(const void *, const void *, size_t,
>	    size_t, int (^ _Nonnull)(const void *, const void *));
>#endif
># 262 "/usr/include/stdlib.h" 3 4
>char	*getbsize(int *, long *);
>					/* getcap(3) functions */
>char	*cgetcap(char *, const char *, int);
>int	 cgetclose(void);
>int	 cgetent(char **, char **, const char *);
>int	 cgetfirst(char **, char **);
>int	 cgetmatch(const char *, const char *);
>int	 cgetnext(char **, char **);
>int	 cgetnum(char *, const char *, long *);
>int	 cgetset(const char *);
>int	 cgetstr(char *, const char *, char **);
>int	 cgetustr(char *, const char *, char **);
>
>int	 daemon(int, int);
>int	 daemonfd(int, int);
>char	*devname(__dev_t, __mode_t);
>char	*devname_r(__dev_t, __mode_t, char *, int);
>char	*fdevname(int);
>char	*fdevname_r(int, char *, int);
>int	 getloadavg(double [], int);
>const char *
>	 getprogname(void);
>
>int	 heapsort(void *, size_t, size_t,
>	    int (* _Nonnull)(const void *, const void *));
>#ifdef __BLOCKS__
>int	 heapsort_b(void *, size_t, size_t,
>	    int (^ _Nonnull)(const void *, const void *));
>void	 qsort_b(void *, size_t, size_t,
>	    int (^ _Nonnull)(const void *, const void *));
>#endif
># 293 "/usr/include/stdlib.h" 3 4
>int	 l64a_r(long, char *, int);
>int	 mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
>#ifdef __BLOCKS__
>int	 mergesort_b(void *, size_t, size_t, int (^)(const void *, const void *));
>#endif
># 298 "/usr/include/stdlib.h" 3 4
>int	 mkostemp(char *, int);
>int	 mkostemps(char *, int, int);
>void	 qsort_r(void *, size_t, size_t, void *,
>	    int (*)(void *, const void *, const void *));
>int	 radixsort(const unsigned char **, int, const unsigned char *,
>	    unsigned);
>void	*reallocarray(void *, size_t, size_t) __result_use_check
>	    __alloc_size2(2, 3);
>void	*reallocf(void *, size_t) __result_use_check __alloc_size(2);
>int	 rpmatch(const char *);
>void	 setprogname(const char *);
>int	 sradixsort(const unsigned char **, int, const unsigned char *,
>	    unsigned);
>void	 sranddev(void);
>void	 srandomdev(void);
>long long
>	strtonum(const char *, long long, long long, const char **);
>
>/* Deprecated interfaces, to be removed. */
>__int64_t
>	 strtoq(const char *, char **, int);
>__uint64_t
>	 strtouq(const char *, char **, int);
>
>extern char *suboptarg;			/* getsubopt(3) external variable */
>#endif /* __BSD_VISIBLE */
># 324 "/usr/include/stdlib.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __EXT1_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 326 "/usr/include/stdlib.h" 3 4
>
>#ifndef _ERRNO_T_DEFINED
>#define _ERRNO_T_DEFINED
>typedef int errno_t;
>#endif
># 331 "/usr/include/stdlib.h" 3 4
>
>/* K.3.6 */
>typedef void (*constraint_handler_t)(const char * __restrict,
>    void * __restrict, errno_t);
>/* K.3.6.1.1 */
>constraint_handler_t set_constraint_handler_s(constraint_handler_t handler);
>/* K.3.6.1.2 */
>_Noreturn void abort_handler_s(const char * __restrict, void * __restrict,
>    errno_t);
>/* K3.6.1.3 */
>void ignore_handler_s(const char * __restrict, void * __restrict, errno_t);
>#endif /* __EXT1_VISIBLE */
># 343 "/usr/include/stdlib.h" 3 4
>
>__END_DECLS
>__NULLABILITY_PRAGMA_POP
>
>#endif /* !_STDLIB_H_ */
># 348 "/usr/include/stdlib.h" 3 4
># 44 "/usr/src/lib/libnv/msgio.c" 2
>#if 0 /* expanded by -frewrite-includes */
>#include <string.h>
>#endif /* expanded by -frewrite-includes */
># 44 "/usr/src/lib/libnv/msgio.c"
># 1 "/usr/include/string.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1990, 1993
> *	The Regents of the University of California.  All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)string.h	8.1 (Berkeley) 6/2/93
> * $FreeBSD: stable/12/include/string.h 326024 2017-11-20 19:45:28Z pfg $
> */
>
>#ifndef _STRING_H_
>#define	_STRING_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 38 "/usr/include/string.h" 3 4
># 39 "/usr/include/string.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_null.h>
>#endif /* expanded by -frewrite-includes */
># 39 "/usr/include/string.h" 3 4
># 40 "/usr/include/string.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_types.h>
>#endif /* expanded by -frewrite-includes */
># 40 "/usr/include/string.h" 3 4
># 41 "/usr/include/string.h" 3 4
>
>/*
> * Prototype functions which were historically defined in <string.h>, but
> * are required by POSIX to be prototyped in <strings.h>.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 47 "/usr/include/string.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <strings.h>
>#endif /* expanded by -frewrite-includes */
># 47 "/usr/include/string.h" 3 4
># 1 "/usr/include/strings.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
> *
> * Copyright (c) 2002 Mike Barcroft <mike@FreeBSD.org>
> * All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> *
> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> * $FreeBSD: stable/12/include/strings.h 326192 2017-11-25 17:09:43Z pfg $
> */
>
>#ifndef _STRINGS_H_
>#define	_STRINGS_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 34 "/usr/include/strings.h" 3 4
># 35 "/usr/include/strings.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_types.h>
>#endif /* expanded by -frewrite-includes */
># 35 "/usr/include/strings.h" 3 4
># 36 "/usr/include/strings.h" 3 4
>
>#ifndef _SIZE_T_DECLARED
>typedef	__size_t	size_t;
>#define	_SIZE_T_DECLARED
>#endif
># 41 "/usr/include/strings.h" 3 4
>
>__BEGIN_DECLS
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE || __POSIX_VISIBLE <= 200112
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 44 "/usr/include/strings.h" 3 4
>int	 bcmp(const void *, const void *, size_t) __pure;	/* LEGACY */
>void	 bcopy(const void *, void *, size_t);			/* LEGACY */
>void	 bzero(void *, size_t);					/* LEGACY */
>#endif
># 48 "/usr/include/strings.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 49 "/usr/include/strings.h" 3 4
>void	 explicit_bzero(void *, size_t);
>#endif
># 51 "/usr/include/strings.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 52 "/usr/include/strings.h" 3 4
>int	 ffs(int) __pure2;
>#endif
># 54 "/usr/include/strings.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 55 "/usr/include/strings.h" 3 4
>int	 ffsl(long) __pure2;
>int	 ffsll(long long) __pure2;
>int	 fls(int) __pure2;
>int	 flsl(long) __pure2;
>int	 flsll(long long) __pure2;
>#endif
># 61 "/usr/include/strings.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE || __POSIX_VISIBLE <= 200112
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 62 "/usr/include/strings.h" 3 4
>char	*index(const char *, int) __pure;			/* LEGACY */
>char	*rindex(const char *, int) __pure;			/* LEGACY */
>#endif
># 65 "/usr/include/strings.h" 3 4
>int	 strcasecmp(const char *, const char *) __pure;
>int	 strncasecmp(const char *, const char *, size_t) __pure;
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 69 "/usr/include/strings.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <xlocale/_strings.h>
>#endif /* expanded by -frewrite-includes */
># 69 "/usr/include/strings.h" 3 4
># 1 "/usr/include/xlocale/_strings.h" 1 3 4
>/*-
> * Copyright (c) 2011, 2012 The FreeBSD Foundation
> * All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> *
> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> * $FreeBSD: stable/12/include/xlocale/_strings.h 266865 2014-05-30 01:09:07Z pfg $
> */
>
>#ifndef _LOCALE_T_DEFINED
>#define _LOCALE_T_DEFINED
>typedef struct	_xlocale *locale_t;
>#endif
># 33 "/usr/include/xlocale/_strings.h" 3 4
>
>/*
> * This file is included from both strings.h and xlocale.h.  We need to expose
> * the declarations unconditionally if we are included from xlocale.h, but only
> * if we are in POSIX2008 mode if included from string.h.
> */
>
>#ifndef _XLOCALE_STRINGS1_H
>#define _XLOCALE_STRINGS1_H
>
>/*
> * POSIX2008 functions
> */
>int	 strcasecmp_l(const char *, const char *, locale_t);
>int	 strncasecmp_l(const char *, const char *, size_t, locale_t);
>#endif /* _XLOCALE_STRINGS1_H */
># 49 "/usr/include/xlocale/_strings.h" 3 4
># 70 "/usr/include/strings.h" 2 3 4
>#endif
># 71 "/usr/include/strings.h" 3 4
>__END_DECLS
>
>#endif /* _STRINGS_H_ */
># 74 "/usr/include/strings.h" 3 4
># 48 "/usr/include/string.h" 2 3 4
>#endif
># 49 "/usr/include/string.h" 3 4
>
>#ifndef _SIZE_T_DECLARED
>typedef	__size_t	size_t;
>#define	_SIZE_T_DECLARED
>#endif
># 54 "/usr/include/string.h" 3 4
>
>__BEGIN_DECLS
>#if 0 /* disabled by -frewrite-includes */
>#if __XSI_VISIBLE >= 600
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 57 "/usr/include/string.h" 3 4
>void	*memccpy(void * __restrict, const void * __restrict, int, size_t);
>#endif
># 59 "/usr/include/string.h" 3 4
>void	*memchr(const void *, int, size_t) __pure;
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 61 "/usr/include/string.h" 3 4
>void	*memrchr(const void *, int, size_t) __pure;
>#endif
># 63 "/usr/include/string.h" 3 4
>int	 memcmp(const void *, const void *, size_t) __pure;
>void	*memcpy(void * __restrict, const void * __restrict, size_t);
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 66 "/usr/include/string.h" 3 4
>void	*memmem(const void *, size_t, const void *, size_t) __pure;
>#endif
># 68 "/usr/include/string.h" 3 4
>void	*memmove(void *, const void *, size_t);
>void	*memset(void *, int, size_t);
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200809
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 71 "/usr/include/string.h" 3 4
>char	*stpcpy(char * __restrict, const char * __restrict);
>char	*stpncpy(char * __restrict, const char * __restrict, size_t);
>#endif
># 74 "/usr/include/string.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 75 "/usr/include/string.h" 3 4
>char	*strcasestr(const char *, const char *) __pure;
>#endif
># 77 "/usr/include/string.h" 3 4
>char	*strcat(char * __restrict, const char * __restrict);
>char	*strchr(const char *, int) __pure;
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 80 "/usr/include/string.h" 3 4
>char	*strchrnul(const char*, int) __pure;
>#endif
># 82 "/usr/include/string.h" 3 4
>int	 strcmp(const char *, const char *) __pure;
>int	 strcoll(const char *, const char *);
>char	*strcpy(char * __restrict, const char * __restrict);
>size_t	 strcspn(const char *, const char *) __pure;
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 87 "/usr/include/string.h" 3 4
>char	*strdup(const char *) __malloc_like;
>#endif
># 89 "/usr/include/string.h" 3 4
>char	*strerror(int);
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200112
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 91 "/usr/include/string.h" 3 4
>int	 strerror_r(int, char *, size_t);
>#endif
># 93 "/usr/include/string.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 94 "/usr/include/string.h" 3 4
>size_t	 strlcat(char * __restrict, const char * __restrict, size_t);
>size_t	 strlcpy(char * __restrict, const char * __restrict, size_t);
>#endif
># 97 "/usr/include/string.h" 3 4
>size_t	 strlen(const char *) __pure;
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 99 "/usr/include/string.h" 3 4
>void	 strmode(int, char *);
>#endif
># 101 "/usr/include/string.h" 3 4
>char	*strncat(char * __restrict, const char * __restrict, size_t);
>int	 strncmp(const char *, const char *, size_t) __pure;
>char	*strncpy(char * __restrict, const char * __restrict, size_t);
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200809
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 105 "/usr/include/string.h" 3 4
>char	*strndup(const char *, size_t) __malloc_like;
>size_t	 strnlen(const char *, size_t) __pure;
>#endif
># 108 "/usr/include/string.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 109 "/usr/include/string.h" 3 4
>char	*strnstr(const char *, const char *, size_t) __pure;
>#endif
># 111 "/usr/include/string.h" 3 4
>char	*strpbrk(const char *, const char *) __pure;
>char	*strrchr(const char *, int) __pure;
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 114 "/usr/include/string.h" 3 4
>char	*strsep(char **, const char *);
>#endif
># 116 "/usr/include/string.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200809
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 117 "/usr/include/string.h" 3 4
>char	*strsignal(int);
>#endif
># 119 "/usr/include/string.h" 3 4
>size_t	 strspn(const char *, const char *) __pure;
>char	*strstr(const char *, const char *) __pure;
>char	*strtok(char * __restrict, const char * __restrict);
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 500
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 123 "/usr/include/string.h" 3 4
>char	*strtok_r(char *, const char *, char **);
>#endif
># 125 "/usr/include/string.h" 3 4
>size_t	 strxfrm(char * __restrict, const char * __restrict, size_t);
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 127 "/usr/include/string.h" 3 4
>
>#ifndef _SWAB_DECLARED
>#define _SWAB_DECLARED
>
>#ifndef _SSIZE_T_DECLARED
>typedef	__ssize_t	ssize_t;
>#define	_SSIZE_T_DECLARED
>#endif /* _SIZE_T_DECLARED */
># 135 "/usr/include/string.h" 3 4
>
>void	 swab(const void * __restrict, void * __restrict, ssize_t);
>#endif /* _SWAB_DECLARED */
># 138 "/usr/include/string.h" 3 4
>
>int	 timingsafe_bcmp(const void *, const void *, size_t);
>int	 timingsafe_memcmp(const void *, const void *, size_t);
>#endif /* __BSD_VISIBLE */
># 142 "/usr/include/string.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 144 "/usr/include/string.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <xlocale/_string.h>
>#endif /* expanded by -frewrite-includes */
># 144 "/usr/include/string.h" 3 4
># 1 "/usr/include/xlocale/_string.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
> *
> * Copyright (c) 2011, 2012 The FreeBSD Foundation
> * All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> *
> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> * $FreeBSD: stable/12/include/xlocale/_string.h 326192 2017-11-25 17:09:43Z pfg $
> */
>
>#ifndef _LOCALE_T_DEFINED
>#define _LOCALE_T_DEFINED
>typedef struct	_xlocale *locale_t;
>#endif
># 35 "/usr/include/xlocale/_string.h" 3 4
>
>/*
> * This file is included from both string.h and xlocale.h.  We need to expose
> * the declarations unconditionally if we are included from xlocale.h, but only
> * if we are in POSIX2008 mode if included from string.h.
> */
>
>#ifndef _XLOCALE_STRING1_H
>#define _XLOCALE_STRING1_H
>
>/*
> * POSIX2008 functions
> */
>int	 strcoll_l(const char *, const char *, locale_t);
>size_t	 strxfrm_l(char *, const char *, size_t, locale_t);
>#endif /* _XLOCALE_STRING1_H */
># 51 "/usr/include/xlocale/_string.h" 3 4
>
>/*
> * xlocale extensions
> */
>#ifdef _XLOCALE_H_
>#ifndef _XLOCALE_STRING2_H
>#define _XLOCALE_STRING2_H
>char	*strcasestr_l(const char *, const char *, locale_t);
>
>#endif /* _XLOCALE_STRING2_H */
># 61 "/usr/include/xlocale/_string.h" 3 4
>#endif /* _XLOCALE_H_ */
># 62 "/usr/include/xlocale/_string.h" 3 4
># 145 "/usr/include/string.h" 2 3 4
>#endif
># 146 "/usr/include/string.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __EXT1_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 148 "/usr/include/string.h" 3 4
>
>#ifndef _RSIZE_T_DEFINED
>#define _RSIZE_T_DEFINED
>typedef size_t rsize_t;
>#endif
># 153 "/usr/include/string.h" 3 4
>
>#ifndef _ERRNO_T_DEFINED
>#define _ERRNO_T_DEFINED
>typedef int errno_t;
>#endif
># 158 "/usr/include/string.h" 3 4
>
>/* ISO/IEC 9899:2011 K.3.7.4.1.1 */
>errno_t memset_s(void *, rsize_t, int, rsize_t);
>#endif /* __EXT1_VISIBLE */
># 162 "/usr/include/string.h" 3 4
>__END_DECLS
>
>#endif /* _STRING_H_ */
># 165 "/usr/include/string.h" 3 4
># 45 "/usr/src/lib/libnv/msgio.c" 2
>#if 0 /* expanded by -frewrite-includes */
>#include <unistd.h>
>#endif /* expanded by -frewrite-includes */
># 45 "/usr/src/lib/libnv/msgio.c"
># 1 "/usr/include/unistd.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1991, 1993, 1994
> *	The Regents of the University of California.  All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)unistd.h	8.12 (Berkeley) 4/27/95
> * $FreeBSD: stable/12/include/unistd.h 357180 2020-01-27 22:13:42Z kevans $
> */
>
>#ifndef _UNISTD_H_
>#define	_UNISTD_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 38 "/usr/include/unistd.h" 3 4
># 39 "/usr/include/unistd.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/types.h>			/* XXX adds too much pollution. */
>#endif /* expanded by -frewrite-includes */
># 39 "/usr/include/unistd.h" 3 4
># 40 "/usr/include/unistd.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/unistd.h>
>#endif /* expanded by -frewrite-includes */
># 40 "/usr/include/unistd.h" 3 4
># 1 "/usr/include/sys/unistd.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1989, 1993
> *	The Regents of the University of California.  All rights reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)unistd.h	8.2 (Berkeley) 1/7/94
> * $FreeBSD: stable/12/sys/sys/unistd.h 353789 2019-10-21 01:24:21Z kevans $
> */
>
>#ifndef _SYS_UNISTD_H_
>#define	_SYS_UNISTD_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 38 "/usr/include/sys/unistd.h" 3 4
># 39 "/usr/include/sys/unistd.h" 3 4
>
>/*
> * POSIX options and option groups we unconditionally do or don't
> * implement.  Those options which are implemented (or not) entirely
> * in user mode are defined in <unistd.h>.  Please keep this list in
> * alphabetical order.
> *
> * Anything which is defined as zero below **must** have an
> * implementation for the corresponding sysconf() which is able to
> * determine conclusively whether or not the feature is supported.
> * Anything which is defined as other than -1 below **must** have
> * complete headers, types, and function declarations as specified by
> * the POSIX standard; however, if the relevant sysconf() function
> * returns -1, the functions may be stubbed out.
> */
>#define	_POSIX_ADVISORY_INFO		200112L
>#define	_POSIX_ASYNCHRONOUS_IO		200112L
>#define	_POSIX_CHOWN_RESTRICTED		1
>#define	_POSIX_CLOCK_SELECTION		(-1)
>#define	_POSIX_CPUTIME			200112L
>#define	_POSIX_FSYNC			200112L
>#define	_POSIX_IPV6			0
>#define	_POSIX_JOB_CONTROL		1
>#define	_POSIX_MAPPED_FILES		200112L
>#define	_POSIX_MEMLOCK			(-1)
>#define	_POSIX_MEMLOCK_RANGE		200112L
>#define	_POSIX_MEMORY_PROTECTION	200112L
>#define	_POSIX_MESSAGE_PASSING		200112L
>#define	_POSIX_MONOTONIC_CLOCK		200112L
>#define	_POSIX_NO_TRUNC			1
>#define	_POSIX_PRIORITIZED_IO		(-1)
>#define	_POSIX_PRIORITY_SCHEDULING	0
>#define	_POSIX_RAW_SOCKETS		200112L
>#define	_POSIX_REALTIME_SIGNALS		200112L
>#define	_POSIX_SEMAPHORES		200112L
>#define	_POSIX_SHARED_MEMORY_OBJECTS	200112L
>#define	_POSIX_SPORADIC_SERVER		(-1)
>#define	_POSIX_SYNCHRONIZED_IO		(-1)
>#define	_POSIX_TIMEOUTS			200112L
>#define	_POSIX_TIMERS			200112L
>#define	_POSIX_TYPED_MEMORY_OBJECTS	(-1)
>#define	_POSIX_VDISABLE			0xff
>
>#if 0 /* disabled by -frewrite-includes */
>#if __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 83 "/usr/include/sys/unistd.h" 3 4
>#define	_XOPEN_SHM			1
>#define	_XOPEN_STREAMS			(-1)
>#endif
># 86 "/usr/include/sys/unistd.h" 3 4
>
>/*
> * Although we have saved user/group IDs, we do not use them in setuid
> * as described in POSIX 1003.1, because the feature does not work for
> * root.  We use the saved IDs in seteuid/setegid, which are not currently
> * part of the POSIX 1003.1 specification.  XXX revisit for 1003.1-2001
> * as this is now mandatory.
> */
>#ifdef	_NOT_AVAILABLE
>#define	_POSIX_SAVED_IDS	1 /* saved set-user-ID and set-group-ID */
>#endif
># 97 "/usr/include/sys/unistd.h" 3 4
>
>/* Define the POSIX.1 version we target for compliance. */
>#define	_POSIX_VERSION		200112L
>
>/* access function */
>#define	F_OK		0	/* test for existence of file */
>#define	X_OK		0x01	/* test for execute or search permission */
>#define	W_OK		0x02	/* test for write permission */
>#define	R_OK		0x04	/* test for read permission */
>
>/* whence values for lseek(2) */
>#ifndef SEEK_SET
>#define	SEEK_SET	0	/* set file offset to offset */
>#define	SEEK_CUR	1	/* set file offset to current plus offset */
>#define	SEEK_END	2	/* set file offset to EOF plus offset */
>#endif
># 113 "/usr/include/sys/unistd.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 114 "/usr/include/sys/unistd.h" 3 4
>#define	SEEK_DATA	3	/* set file offset to next data past offset */
>#define	SEEK_HOLE	4	/* set file offset to next hole past offset */
>#endif
># 117 "/usr/include/sys/unistd.h" 3 4
>
>#ifndef _POSIX_SOURCE
>/* whence values for lseek(2); renamed by POSIX 1003.1 */
>#define	L_SET		SEEK_SET
>#define	L_INCR		SEEK_CUR
>#define	L_XTND		SEEK_END
>#endif
># 124 "/usr/include/sys/unistd.h" 3 4
>
>/* configurable pathname variables */
>#define	_PC_LINK_MAX		 1
>#define	_PC_MAX_CANON		 2
>#define	_PC_MAX_INPUT		 3
>#define	_PC_NAME_MAX		 4
>#define	_PC_PATH_MAX		 5
>#define	_PC_PIPE_BUF		 6
>#define	_PC_CHOWN_RESTRICTED	 7
>#define	_PC_NO_TRUNC		 8
>#define	_PC_VDISABLE		 9
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 199309
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 137 "/usr/include/sys/unistd.h" 3 4
>#define	_PC_ASYNC_IO		53
>#define	_PC_PRIO_IO		54
>#define	_PC_SYNC_IO		55
>#endif
># 141 "/usr/include/sys/unistd.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200112
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 143 "/usr/include/sys/unistd.h" 3 4
>#define	_PC_ALLOC_SIZE_MIN	10
>#define	_PC_FILESIZEBITS	12
>#define	_PC_REC_INCR_XFER_SIZE	14
>#define	_PC_REC_MAX_XFER_SIZE	15
>#define	_PC_REC_MIN_XFER_SIZE	16
>#define	_PC_REC_XFER_ALIGN	17
>#define	_PC_SYMLINK_MAX		18
>#endif
># 151 "/usr/include/sys/unistd.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 153 "/usr/include/sys/unistd.h" 3 4
>#define	_PC_ACL_EXTENDED	59
>#define	_PC_ACL_PATH_MAX	60
>#define	_PC_CAP_PRESENT		61
>#define	_PC_INF_PRESENT		62
>#define	_PC_MAC_PRESENT		63
>#define	_PC_ACL_NFS4		64
>#endif
># 160 "/usr/include/sys/unistd.h" 3 4
>
>/* From OpenSolaris, used by SEEK_DATA/SEEK_HOLE. */
>#define	_PC_MIN_HOLE_SIZE	21
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 165 "/usr/include/sys/unistd.h" 3 4
>/*
> * rfork() options.
> *
> * XXX currently, some operations without RFPROC set are not supported.
> */
>#define	RFNAMEG		(1<<0)	/* UNIMPL new plan9 `name space' */
>#define	RFENVG		(1<<1)	/* UNIMPL copy plan9 `env space' */
>#define	RFFDG		(1<<2)	/* copy fd table */
>#define	RFNOTEG		(1<<3)	/* UNIMPL create new plan9 `note group' */
>#define	RFPROC		(1<<4)	/* change child (else changes curproc) */
>#define	RFMEM		(1<<5)	/* share `address space' */
>#define	RFNOWAIT	(1<<6)	/* give child to init */
>#define	RFCNAMEG	(1<<10)	/* UNIMPL zero plan9 `name space' */
>#define	RFCENVG		(1<<11)	/* UNIMPL zero plan9 `env space' */
>#define	RFCFDG		(1<<12)	/* close all fds, zero fd table */
>#define	RFTHREAD	(1<<13)	/* enable kernel thread support */
>#define	RFSIGSHARE	(1<<14)	/* share signal handlers */
>#define	RFLINUXTHPN	(1<<16)	/* do linux clone exit parent notification */
>#define	RFSTOPPED	(1<<17)	/* leave child in a stopped state */
>#define	RFHIGHPID	(1<<18)	/* use a pid higher than 10 (idleproc) */
>#define	RFTSIGZMB	(1<<19)	/* select signal for exit parent notification */
>#define	RFTSIGSHIFT	20	/* selected signal number is in bits 20-27  */
>#define	RFTSIGMASK	0xFF
>#define	RFTSIGNUM(flags)	(((flags) >> RFTSIGSHIFT) & RFTSIGMASK)
>#define	RFTSIGFLAGS(signum)	((signum) << RFTSIGSHIFT)
>#define	RFPROCDESC	(1<<28)	/* return a process descriptor */
>/* kernel: parent sleeps until child exits (vfork) */
>#define	RFPPWAIT	(1<<31)
>/* user: vfork(2) semantics, clear signals */
>#define	RFSPAWN		(1U<<31)
>#define	RFFLAGS		(RFFDG | RFPROC | RFMEM | RFNOWAIT | RFCFDG | \
>    RFTHREAD | RFSIGSHARE | RFLINUXTHPN | RFSTOPPED | RFHIGHPID | RFTSIGZMB | \
>    RFPROCDESC | RFSPAWN | RFPPWAIT)
>#define	RFKERNELONLY	(RFSTOPPED | RFHIGHPID | RFPROCDESC)
>
>#endif /* __BSD_VISIBLE */
># 201 "/usr/include/sys/unistd.h" 3 4
>
>#endif /* !_SYS_UNISTD_H_ */
># 203 "/usr/include/sys/unistd.h" 3 4
># 41 "/usr/include/unistd.h" 2 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_null.h>
>#endif /* expanded by -frewrite-includes */
># 41 "/usr/include/unistd.h" 3 4
># 42 "/usr/include/unistd.h" 3 4
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/_types.h>
>#endif /* expanded by -frewrite-includes */
># 42 "/usr/include/unistd.h" 3 4
># 43 "/usr/include/unistd.h" 3 4
>
>#ifndef _GID_T_DECLARED
>typedef	__gid_t		gid_t;
>#define	_GID_T_DECLARED
>#endif
># 48 "/usr/include/unistd.h" 3 4
>
>#ifndef _OFF_T_DECLARED
>typedef	__off_t		off_t;
>#define	_OFF_T_DECLARED
>#endif
># 53 "/usr/include/unistd.h" 3 4
>
>#ifndef _PID_T_DECLARED
>typedef	__pid_t		pid_t;
>#define	_PID_T_DECLARED
>#endif
># 58 "/usr/include/unistd.h" 3 4
>
>#ifndef _SIZE_T_DECLARED
>typedef	__size_t	size_t;
>#define	_SIZE_T_DECLARED
>#endif
># 63 "/usr/include/unistd.h" 3 4
>
>#ifndef _SSIZE_T_DECLARED
>typedef	__ssize_t	ssize_t;
>#define	_SSIZE_T_DECLARED
>#endif
># 68 "/usr/include/unistd.h" 3 4
>
>#ifndef _UID_T_DECLARED
>typedef	__uid_t		uid_t;
>#define	_UID_T_DECLARED
>#endif
># 73 "/usr/include/unistd.h" 3 4
>
>#ifndef _USECONDS_T_DECLARED
>typedef	__useconds_t	useconds_t;
>#define	_USECONDS_T_DECLARED
>#endif
># 78 "/usr/include/unistd.h" 3 4
>
>#define	STDIN_FILENO	0	/* standard input file descriptor */
>#define	STDOUT_FILENO	1	/* standard output file descriptor */
>#define	STDERR_FILENO	2	/* standard error file descriptor */
>
>#if 0 /* disabled by -frewrite-includes */
>#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 84 "/usr/include/unistd.h" 3 4
>#define	F_ULOCK		0	/* unlock locked section */
>#define	F_LOCK		1	/* lock a section for exclusive use */
>#define	F_TLOCK		2	/* test and lock a section for exclusive use */
>#define	F_TEST		3	/* test a section for locks by other procs */
>#endif
># 89 "/usr/include/unistd.h" 3 4
>
>/*
> * POSIX options and option groups we unconditionally do or don't
> * implement.  This list includes those options which are exclusively
> * implemented (or not) in user mode.  Please keep this list in
> * alphabetical order.
> *
> * Anything which is defined as zero below **must** have an
> * implementation for the corresponding sysconf() which is able to
> * determine conclusively whether or not the feature is supported.
> * Anything which is defined as other than -1 below **must** have
> * complete headers, types, and function declarations as specified by
> * the POSIX standard; however, if the relevant sysconf() function
> * returns -1, the functions may be stubbed out.
> */
>#define	_POSIX_BARRIERS			200112L
>#define	_POSIX_CPUTIME			200112L
>#define	_POSIX_READER_WRITER_LOCKS	200112L
>#define	_POSIX_REGEXP			1
>#define	_POSIX_SHELL			1
>#define	_POSIX_SPAWN			200112L
>#define	_POSIX_SPIN_LOCKS		200112L
>#define	_POSIX_THREAD_ATTR_STACKADDR	200112L
>#define	_POSIX_THREAD_ATTR_STACKSIZE	200112L
>#define	_POSIX_THREAD_CPUTIME		200112L
>#define	_POSIX_THREAD_PRIO_INHERIT	200112L
>#define	_POSIX_THREAD_PRIO_PROTECT	200112L
>#define	_POSIX_THREAD_PRIORITY_SCHEDULING 200112L
>#define	_POSIX_THREAD_PROCESS_SHARED	200112L
>#define	_POSIX_THREAD_SAFE_FUNCTIONS	-1
>#define	_POSIX_THREAD_SPORADIC_SERVER	-1
>#define	_POSIX_THREADS			200112L
>#define	_POSIX_TRACE			-1
>#define	_POSIX_TRACE_EVENT_FILTER	-1
>#define	_POSIX_TRACE_INHERIT		-1
>#define	_POSIX_TRACE_LOG		-1
>#define	_POSIX2_C_BIND			200112L	/* mandatory */
>#define	_POSIX2_C_DEV			-1 /* need c99 utility */
>#define	_POSIX2_CHAR_TERM		1
>#define	_POSIX2_FORT_DEV		-1 /* need fort77 utility */
>#define	_POSIX2_FORT_RUN		200112L
>#define	_POSIX2_LOCALEDEF		-1
>#define	_POSIX2_PBS			-1
>#define	_POSIX2_PBS_ACCOUNTING		-1
>#define	_POSIX2_PBS_CHECKPOINT		-1
>#define	_POSIX2_PBS_LOCATE		-1
>#define	_POSIX2_PBS_MESSAGE		-1
>#define	_POSIX2_PBS_TRACK		-1
>#define	_POSIX2_SW_DEV			-1 /* XXX ??? */
>#define	_POSIX2_UPE			200112L
>#define	_V6_ILP32_OFF32			-1
>#define	_V6_ILP32_OFFBIG		0
>#define	_V6_LP64_OFF64			0
>#define	_V6_LPBIG_OFFBIG		-1
>
>#if 0 /* disabled by -frewrite-includes */
>#if __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 145 "/usr/include/unistd.h" 3 4
>#define	_XOPEN_CRYPT			-1 /* XXX ??? */
>#define	_XOPEN_ENH_I18N			-1 /* mandatory in XSI */
>#define	_XOPEN_LEGACY			-1
>#define	_XOPEN_REALTIME			-1
>#define	_XOPEN_REALTIME_THREADS		-1
>#define	_XOPEN_UNIX			-1
>#endif
># 152 "/usr/include/unistd.h" 3 4
>
>/* Define the POSIX.2 version we target for compliance. */
>#define	_POSIX2_VERSION		199212L
>
>/*
> * POSIX-style system configuration variable accessors (for the
> * sysconf function).  The kernel does not directly implement the
> * sysconf() interface; rather, a C library stub translates references
> * to sysconf() into calls to sysctl() using a giant switch statement.
> * Those that are marked `user' are implemented entirely in the C
> * library and never query the kernel.  pathconf() is implemented
> * directly by the kernel so those are not defined here.
> */
>#define	_SC_ARG_MAX		 1
>#define	_SC_CHILD_MAX		 2
>#define	_SC_CLK_TCK		 3
>#define	_SC_NGROUPS_MAX		 4
>#define	_SC_OPEN_MAX		 5
>#define	_SC_JOB_CONTROL		 6
>#define	_SC_SAVED_IDS		 7
>#define	_SC_VERSION		 8
>#define	_SC_BC_BASE_MAX		 9 /* user */
>#define	_SC_BC_DIM_MAX		10 /* user */
>#define	_SC_BC_SCALE_MAX	11 /* user */
>#define	_SC_BC_STRING_MAX	12 /* user */
>#define	_SC_COLL_WEIGHTS_MAX	13 /* user */
>#define	_SC_EXPR_NEST_MAX	14 /* user */
>#define	_SC_LINE_MAX		15 /* user */
>#define	_SC_RE_DUP_MAX		16 /* user */
>#define	_SC_2_VERSION		17 /* user */
>#define	_SC_2_C_BIND		18 /* user */
>#define	_SC_2_C_DEV		19 /* user */
>#define	_SC_2_CHAR_TERM		20 /* user */
>#define	_SC_2_FORT_DEV		21 /* user */
>#define	_SC_2_FORT_RUN		22 /* user */
>#define	_SC_2_LOCALEDEF		23 /* user */
>#define	_SC_2_SW_DEV		24 /* user */
>#define	_SC_2_UPE		25 /* user */
>#define	_SC_STREAM_MAX		26 /* user */
>#define	_SC_TZNAME_MAX		27 /* user */
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 199309
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 194 "/usr/include/unistd.h" 3 4
>#define	_SC_ASYNCHRONOUS_IO	28
>#define	_SC_MAPPED_FILES	29
>#define	_SC_MEMLOCK		30
>#define	_SC_MEMLOCK_RANGE	31
>#define	_SC_MEMORY_PROTECTION	32
>#define	_SC_MESSAGE_PASSING	33
>#define	_SC_PRIORITIZED_IO	34
>#define	_SC_PRIORITY_SCHEDULING	35
>#define	_SC_REALTIME_SIGNALS	36
>#define	_SC_SEMAPHORES		37
>#define	_SC_FSYNC		38
>#define	_SC_SHARED_MEMORY_OBJECTS 39
>#define	_SC_SYNCHRONIZED_IO	40
>#define	_SC_TIMERS		41
>#define	_SC_AIO_LISTIO_MAX	42
>#define	_SC_AIO_MAX		43
>#define	_SC_AIO_PRIO_DELTA_MAX	44
>#define	_SC_DELAYTIMER_MAX	45
>#define	_SC_MQ_OPEN_MAX		46
>#define	_SC_PAGESIZE		47
>#define	_SC_RTSIG_MAX		48
>#define	_SC_SEM_NSEMS_MAX	49
>#define	_SC_SEM_VALUE_MAX	50
>#define	_SC_SIGQUEUE_MAX	51
>#define	_SC_TIMER_MAX		52
>#endif
># 220 "/usr/include/unistd.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200112
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 222 "/usr/include/unistd.h" 3 4
>#define	_SC_2_PBS		59 /* user */
>#define	_SC_2_PBS_ACCOUNTING	60 /* user */
>#define	_SC_2_PBS_CHECKPOINT	61 /* user */
>#define	_SC_2_PBS_LOCATE	62 /* user */
>#define	_SC_2_PBS_MESSAGE	63 /* user */
>#define	_SC_2_PBS_TRACK		64 /* user */
>#define	_SC_ADVISORY_INFO	65
>#define	_SC_BARRIERS		66 /* user */
>#define	_SC_CLOCK_SELECTION	67
>#define	_SC_CPUTIME		68
>#define	_SC_FILE_LOCKING	69
>#define	_SC_GETGR_R_SIZE_MAX	70 /* user */
>#define	_SC_GETPW_R_SIZE_MAX	71 /* user */
>#define	_SC_HOST_NAME_MAX	72
>#define	_SC_LOGIN_NAME_MAX	73
>#define	_SC_MONOTONIC_CLOCK	74
>#define	_SC_MQ_PRIO_MAX		75
>#define	_SC_READER_WRITER_LOCKS	76 /* user */
>#define	_SC_REGEXP		77 /* user */
>#define	_SC_SHELL		78 /* user */
>#define	_SC_SPAWN		79 /* user */
>#define	_SC_SPIN_LOCKS		80 /* user */
>#define	_SC_SPORADIC_SERVER	81
>#define	_SC_THREAD_ATTR_STACKADDR 82 /* user */
>#define	_SC_THREAD_ATTR_STACKSIZE 83 /* user */
>#define	_SC_THREAD_CPUTIME	84 /* user */
>#define	_SC_THREAD_DESTRUCTOR_ITERATIONS 85 /* user */
>#define	_SC_THREAD_KEYS_MAX	86 /* user */
>#define	_SC_THREAD_PRIO_INHERIT	87 /* user */
>#define	_SC_THREAD_PRIO_PROTECT	88 /* user */
>#define	_SC_THREAD_PRIORITY_SCHEDULING 89 /* user */
>#define	_SC_THREAD_PROCESS_SHARED 90 /* user */
>#define	_SC_THREAD_SAFE_FUNCTIONS 91 /* user */
>#define	_SC_THREAD_SPORADIC_SERVER 92 /* user */
>#define	_SC_THREAD_STACK_MIN	93 /* user */
>#define	_SC_THREAD_THREADS_MAX	94 /* user */
>#define	_SC_TIMEOUTS		95 /* user */
>#define	_SC_THREADS		96 /* user */
>#define	_SC_TRACE		97 /* user */
>#define	_SC_TRACE_EVENT_FILTER	98 /* user */
>#define	_SC_TRACE_INHERIT	99 /* user */
>#define	_SC_TRACE_LOG		100 /* user */
>#define	_SC_TTY_NAME_MAX	101 /* user */
>#define	_SC_TYPED_MEMORY_OBJECTS 102
>#define	_SC_V6_ILP32_OFF32	103 /* user */
>#define	_SC_V6_ILP32_OFFBIG	104 /* user */
>#define	_SC_V6_LP64_OFF64	105 /* user */
>#define	_SC_V6_LPBIG_OFFBIG	106 /* user */
>#define	_SC_IPV6		118
>#define	_SC_RAW_SOCKETS		119
>#define	_SC_SYMLOOP_MAX		120
>#endif
># 274 "/usr/include/unistd.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 276 "/usr/include/unistd.h" 3 4
>#define	_SC_ATEXIT_MAX		107 /* user */
>#define	_SC_IOV_MAX		56
>#define	_SC_PAGE_SIZE		_SC_PAGESIZE
>#define	_SC_XOPEN_CRYPT		108 /* user */
>#define	_SC_XOPEN_ENH_I18N	109 /* user */
>#define	_SC_XOPEN_LEGACY	110 /* user */
>#define	_SC_XOPEN_REALTIME	111
>#define	_SC_XOPEN_REALTIME_THREADS 112
>#define	_SC_XOPEN_SHM		113
>#define	_SC_XOPEN_STREAMS	114
>#define	_SC_XOPEN_UNIX		115
>#define	_SC_XOPEN_VERSION	116
>#define	_SC_XOPEN_XCU_VERSION	117 /* user */
>#endif
># 290 "/usr/include/unistd.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 292 "/usr/include/unistd.h" 3 4
>#define	_SC_NPROCESSORS_CONF	57
>#define	_SC_NPROCESSORS_ONLN	58
>#define	_SC_CPUSET_SIZE		122
>#endif
># 296 "/usr/include/unistd.h" 3 4
>
>/* Extensions found in Solaris and Linux. */
>#define	_SC_PHYS_PAGES		121
>
>/* Keys for the confstr(3) function. */
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 199209
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 302 "/usr/include/unistd.h" 3 4
>#define	_CS_PATH		1	/* default value of PATH */
>#endif
># 304 "/usr/include/unistd.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200112
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 306 "/usr/include/unistd.h" 3 4
>#define	_CS_POSIX_V6_ILP32_OFF32_CFLAGS		2
>#define	_CS_POSIX_V6_ILP32_OFF32_LDFLAGS	3
>#define	_CS_POSIX_V6_ILP32_OFF32_LIBS		4
>#define	_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS	5
>#define	_CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS	6
>#define	_CS_POSIX_V6_ILP32_OFFBIG_LIBS		7
>#define	_CS_POSIX_V6_LP64_OFF64_CFLAGS		8
>#define	_CS_POSIX_V6_LP64_OFF64_LDFLAGS		9
>#define	_CS_POSIX_V6_LP64_OFF64_LIBS		10
>#define	_CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS	11
>#define	_CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS	12
>#define	_CS_POSIX_V6_LPBIG_OFFBIG_LIBS		13
>#define	_CS_POSIX_V6_WIDTH_RESTRICTED_ENVS	14
>#endif
># 320 "/usr/include/unistd.h" 3 4
>
>__BEGIN_DECLS
>/* 1003.1-1990 */
>void	 _exit(int) __dead2;
>int	 access(const char *, int);
>unsigned int	 alarm(unsigned int);
>int	 chdir(const char *);
>int	 chown(const char *, uid_t, gid_t);
>int	 close(int);
>void	 closefrom(int);
>int	 dup(int);
>int	 dup2(int, int);
>int	 execl(const char *, const char *, ...) __null_sentinel;
>int	 execle(const char *, const char *, ...);
>int	 execlp(const char *, const char *, ...) __null_sentinel;
>int	 execv(const char *, char * const *);
>int	 execve(const char *, char * const *, char * const *);
>int	 execvp(const char *, char * const *);
>pid_t	 fork(void);
>long	 fpathconf(int, int);
>char	*getcwd(char *, size_t);
>gid_t	 getegid(void);
>uid_t	 geteuid(void);
>gid_t	 getgid(void);
>int	 getgroups(int, gid_t []);
>char	*getlogin(void);
>pid_t	 getpgrp(void);
>pid_t	 getpid(void);
>pid_t	 getppid(void);
>uid_t	 getuid(void);
>int	 isatty(int);
>int	 link(const char *, const char *);
>#ifndef _LSEEK_DECLARED
>#define	_LSEEK_DECLARED
>off_t	 lseek(int, off_t, int);
>#endif
># 356 "/usr/include/unistd.h" 3 4
>long	 pathconf(const char *, int);
>int	 pause(void);
>int	 pipe(int *);
>ssize_t	 read(int, void *, size_t);
>int	 rmdir(const char *);
>int	 setgid(gid_t);
>int	 setpgid(pid_t, pid_t);
>pid_t	 setsid(void);
>int	 setuid(uid_t);
>unsigned int	 sleep(unsigned int);
>long	 sysconf(int);
>pid_t	 tcgetpgrp(int);
>int	 tcsetpgrp(int, pid_t);
>char	*ttyname(int);
>int	ttyname_r(int, char *, size_t);
>int	 unlink(const char *);
>ssize_t	 write(int, const void *, size_t);
>
>/* 1003.2-1992 */
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 199209 || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 376 "/usr/include/unistd.h" 3 4
>size_t	 confstr(int, char *, size_t);
>#ifndef _GETOPT_DECLARED
>#define	_GETOPT_DECLARED
>int	 getopt(int, char * const [], const char *);
>
>extern char *optarg;			/* getopt(3) external variables */
>extern int optind, opterr, optopt;
>#endif /* _GETOPT_DECLARED */
># 384 "/usr/include/unistd.h" 3 4
>#endif
># 385 "/usr/include/unistd.h" 3 4
>
>/* ISO/IEC 9945-1: 1996 */
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 388 "/usr/include/unistd.h" 3 4
>int	 fsync(int);
>int	 fdatasync(int);
>
>/*
> * ftruncate() was in the POSIX Realtime Extension (it's used for shared
> * memory), but truncate() was not.
> */
>#ifndef _FTRUNCATE_DECLARED
>#define	_FTRUNCATE_DECLARED
>int	 ftruncate(int, off_t);
>#endif
># 399 "/usr/include/unistd.h" 3 4
>#endif
># 400 "/usr/include/unistd.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 199506
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 402 "/usr/include/unistd.h" 3 4
>int	 getlogin_r(char *, int);
>#endif
># 404 "/usr/include/unistd.h" 3 4
>
>/* 1003.1-2001 */
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 407 "/usr/include/unistd.h" 3 4
>int	 fchown(int, uid_t, gid_t);
>ssize_t	 readlink(const char * __restrict, char * __restrict, size_t);
>#endif
># 410 "/usr/include/unistd.h" 3 4
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200112
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 411 "/usr/include/unistd.h" 3 4
>int	 gethostname(char *, size_t);
>int	 setegid(gid_t);
>int	 seteuid(uid_t);
>#endif
># 415 "/usr/include/unistd.h" 3 4
>
>/* 1003.1-2008 */
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 418 "/usr/include/unistd.h" 3 4
>int	 getsid(pid_t _pid);
>int	 fchdir(int);
>int	 getpgid(pid_t _pid);
>int	 lchown(const char *, uid_t, gid_t);
>ssize_t	 pread(int, void *, size_t, off_t);
>ssize_t	 pwrite(int, const void *, size_t, off_t);
>
>/* See comment at ftruncate() above. */
>#ifndef _TRUNCATE_DECLARED
>#define	_TRUNCATE_DECLARED
>int	 truncate(const char *, off_t);
>#endif
># 430 "/usr/include/unistd.h" 3 4
>#endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */
># 431 "/usr/include/unistd.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200809
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 433 "/usr/include/unistd.h" 3 4
>int	faccessat(int, const char *, int, int);
>int	fchownat(int, const char *, uid_t, gid_t, int);
>int	fexecve(int, char *const [], char *const []);
>int	linkat(int, const char *, int, const char *, int);
>ssize_t	readlinkat(int, const char * __restrict, char * __restrict, size_t);
>int	symlinkat(const char *, int, const char *);
>int	unlinkat(int, const char *, int);
>#endif /* __POSIX_VISIBLE >= 200809 */
># 441 "/usr/include/unistd.h" 3 4
>
>/*
> * symlink() was originally in POSIX.1a, which was withdrawn after
> * being overtaken by events (1003.1-2001).  It was in XPG4.2, and of
> * course has been in BSD since 4.2.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 448 "/usr/include/unistd.h" 3 4
>int	 symlink(const char * __restrict, const char * __restrict);
>#endif
># 450 "/usr/include/unistd.h" 3 4
>
>/* X/Open System Interfaces */
>#if 0 /* disabled by -frewrite-includes */
>#if __XSI_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 453 "/usr/include/unistd.h" 3 4
>char	*crypt(const char *, const char *);
>long	 gethostid(void);
>int	 lockf(int, int, off_t);
>int	 nice(int);
>int	 setregid(gid_t, gid_t);
>int	 setreuid(uid_t, uid_t);
>
>#ifndef _SWAB_DECLARED
>#define _SWAB_DECLARED
>void	 swab(const void * __restrict, void * __restrict, ssize_t);
>#endif /* _SWAB_DECLARED */
># 464 "/usr/include/unistd.h" 3 4
>
>void	 sync(void);
>
>#endif /* __XSI_VISIBLE */
># 468 "/usr/include/unistd.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if (__XSI_VISIBLE && __XSI_VISIBLE <= 500) || __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 470 "/usr/include/unistd.h" 3 4
>int	 brk(const void *);
>int	 chroot(const char *);
>int	 getdtablesize(void);
>int	 getpagesize(void) __pure2;
>char	*getpass(const char *);
>void	*sbrk(intptr_t);
>#endif
># 477 "/usr/include/unistd.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if (__XSI_VISIBLE && __XSI_VISIBLE <= 600) || __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 479 "/usr/include/unistd.h" 3 4
>char	*getwd(char *);			/* obsoleted by getcwd() */
>useconds_t
>	 ualarm(useconds_t, useconds_t);
>int	 usleep(useconds_t);
>pid_t	 vfork(void) __returns_twice;
>#endif
># 485 "/usr/include/unistd.h" 3 4
>
>#if 0 /* disabled by -frewrite-includes */
>#if __BSD_VISIBLE
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 487 "/usr/include/unistd.h" 3 4
>struct timeval;				/* select(2) */
>
>struct crypt_data {
>	int	initialized;	/* For compatibility with glibc. */
>	char	__buf[256];	/* Buffer returned by crypt_r(). */
>};
>
>int	 acct(const char *);
>int	 async_daemon(void);
>int	 check_utility_compat(const char *);
>const char *
>	 crypt_get_format(void);
>char	*crypt_r(const char *, const char *, struct crypt_data *);
>int	 crypt_set_format(const char *);
>int	 dup3(int, int, int);
>int	 eaccess(const char *, int);
>void	 endusershell(void);
>int	 exect(const char *, char * const *, char * const *);
>int	 execvP(const char *, const char *, char * const *);
>int	 feature_present(const char *);
>char	*fflagstostr(u_long);
>int	 getdomainname(char *, int);
>int	 getentropy(void *, size_t);
>int	 getgrouplist(const char *, gid_t, gid_t *, int *);
>int	 getloginclass(char *, size_t);
>mode_t	 getmode(const void *, mode_t);
>int	 getosreldate(void);
>int	 getpeereid(int, uid_t *, gid_t *);
>int	 getresgid(gid_t *, gid_t *, gid_t *);
>int	 getresuid(uid_t *, uid_t *, uid_t *);
>char	*getusershell(void);
>int	 initgroups(const char *, gid_t);
>int	 iruserok(unsigned long, int, const char *, const char *);
>int	 iruserok_sa(const void *, int, int, const char *, const char *);
>int	 issetugid(void);
>void	__FreeBSD_libc_enter_restricted_mode(void);
>long	 lpathconf(const char *, int);
>#ifndef _MKDTEMP_DECLARED
>char	*mkdtemp(char *);
>#define	_MKDTEMP_DECLARED
>#endif
># 528 "/usr/include/unistd.h" 3 4
>#ifndef	_MKNOD_DECLARED
>int	 mknod(const char *, mode_t, dev_t);
>#define	_MKNOD_DECLARED
>#endif
># 532 "/usr/include/unistd.h" 3 4
>#ifndef _MKSTEMP_DECLARED
>int	 mkstemp(char *);
>#define	_MKSTEMP_DECLARED
>#endif
># 536 "/usr/include/unistd.h" 3 4
>int	 mkstemps(char *, int);
>#ifndef _MKTEMP_DECLARED
>char	*mktemp(char *);
>#define	_MKTEMP_DECLARED
>#endif
># 541 "/usr/include/unistd.h" 3 4
>int	 nfssvc(int, void *);
>int	 nlm_syscall(int, int, int, char **);
>int	 pipe2(int *, int);
>int	 profil(char *, size_t, vm_offset_t, int);
>int	 rcmd(char **, int, const char *, const char *, const char *, int *);
>int	 rcmd_af(char **, int, const char *,
>		const char *, const char *, int *, int);
>int	 rcmdsh(char **, int, const char *,
>		const char *, const char *, const char *);
>char	*re_comp(const char *);
>int	 re_exec(const char *);
>int	 reboot(int);
>int	 revoke(const char *);
>pid_t	 rfork(int) __returns_twice;
>pid_t	 rfork_thread(int, void *, int (*)(void *), void *);
>int	 rresvport(int *);
>int	 rresvport_af(int *, int);
>int	 ruserok(const char *, int, const char *, const char *);
>#ifndef _SELECT_DECLARED
>#define	_SELECT_DECLARED
>int	 select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
>#endif
># 563 "/usr/include/unistd.h" 3 4
>int	 setdomainname(const char *, int);
>int	 setgroups(int, const gid_t *);
>void	 sethostid(long);
>int	 sethostname(const char *, int);
>int	 setlogin(const char *);
>int	 setloginclass(const char *);
>void	*setmode(const char *);
>int	 setpgrp(pid_t, pid_t);			/* obsoleted by setpgid() */
>void	 setproctitle(const char *_fmt, ...) __printf0like(1, 2);
>void	 setproctitle_fast(const char *_fmt, ...) __printf0like(1, 2);
>int	 setresgid(gid_t, gid_t, gid_t);
>int	 setresuid(uid_t, uid_t, uid_t);
>int	 setrgid(gid_t);
>int	 setruid(uid_t);
>void	 setusershell(void);
>int	 strtofflags(char **, u_long *, u_long *);
>int	 swapon(const char *);
>int	 swapoff(const char *);
>int	 syscall(int, ...);
>off_t	 __syscall(quad_t, ...);
>int	 undelete(const char *);
>int	 unwhiteout(const char *);
>void	*valloc(size_t);			/* obsoleted by malloc() */
>
>#ifndef _OPTRESET_DECLARED
>#define	_OPTRESET_DECLARED
>extern int optreset;			/* getopt(3) external variable */
>#endif
># 591 "/usr/include/unistd.h" 3 4
>#endif /* __BSD_VISIBLE */
># 592 "/usr/include/unistd.h" 3 4
>__END_DECLS
>
>#endif /* !_UNISTD_H_ */
># 595 "/usr/include/unistd.h" 3 4
># 46 "/usr/src/lib/libnv/msgio.c" 2
>
>#ifdef HAVE_PJDLOG
>#if 0 /* expanded by -frewrite-includes */
>#include <pjdlog.h>
>#endif /* expanded by -frewrite-includes */
># 48 "/usr/src/lib/libnv/msgio.c"
># 49 "/usr/src/lib/libnv/msgio.c"
>#endif
># 50 "/usr/src/lib/libnv/msgio.c"
>
>#if 0 /* expanded by -frewrite-includes */
>#include "common_impl.h"
>#endif /* expanded by -frewrite-includes */
># 51 "/usr/src/lib/libnv/msgio.c"
># 1 "/usr/src/lib/libnv/common_impl.h" 1
>/*-
> * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
> *
> * Copyright (c) 2013 The FreeBSD Foundation
> * All rights reserved.
> *
> * This software was developed by Pawel Jakub Dawidek under sponsorship from
> * the FreeBSD Foundation.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> *
> * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> * $FreeBSD: stable/12/lib/libnv/common_impl.h 341079 2018-11-27 17:00:47Z markj $
> */
>
>#ifndef	_COMMON_IMPL_H_
>#define	_COMMON_IMPL_H_
>
>#if 0 /* expanded by -frewrite-includes */
>#include <errno.h>
>#endif /* expanded by -frewrite-includes */
># 37 "/usr/src/lib/libnv/common_impl.h"
># 38 "/usr/src/lib/libnv/common_impl.h"
>#if 0 /* expanded by -frewrite-includes */
>#include <fcntl.h>
>#endif /* expanded by -frewrite-includes */
># 38 "/usr/src/lib/libnv/common_impl.h"
># 39 "/usr/src/lib/libnv/common_impl.h"
>#if 0 /* expanded by -frewrite-includes */
>#include <stdbool.h>
>#endif /* expanded by -frewrite-includes */
># 39 "/usr/src/lib/libnv/common_impl.h"
># 40 "/usr/src/lib/libnv/common_impl.h"
>
>static inline bool
>fd_is_valid(int fd)
>{
>
>	return (fcntl(fd, F_GETFD) != -1 || errno != EBADF);
>}
>
>#endif	/* !_COMMON_IMPL_H_ */
># 49 "/usr/src/lib/libnv/common_impl.h"
># 52 "/usr/src/lib/libnv/msgio.c" 2
>#if 0 /* expanded by -frewrite-includes */
>#include "msgio.h"
>#endif /* expanded by -frewrite-includes */
># 52 "/usr/src/lib/libnv/msgio.c"
># 1 "/usr/src/lib/libnv/msgio.h" 1
>/*-
> * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
> *
> * Copyright (c) 2013 The FreeBSD Foundation
> * All rights reserved.
> *
> * This software was developed by Pawel Jakub Dawidek under sponsorship from
> * the FreeBSD Foundation.
> *
> * Copyright (c) 2013 Mariusz Zaborski <oshogbo@FreeBSD.org>
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> *
> * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> * $FreeBSD: stable/12/lib/libnv/msgio.h 326219 2017-11-26 02:00:33Z pfg $
> */
>
>#ifndef	_MSGIO_H_
>#define	_MSGIO_H_
>
>struct cmsgcred;
>struct iovec;
>struct msghdr;
>
>int cred_send(int sock);
>int cred_recv(int sock, struct cmsgcred *cred);
>
>int fd_send(int sock, const int *fds, size_t nfds);
>int fd_recv(int sock, int *fds, size_t nfds);
>
>int buf_send(int sock, void *buf, size_t size);
>int buf_recv(int sock, void *buf, size_t size);
>
>#endif	/* !_MSGIO_H_ */
># 53 "/usr/src/lib/libnv/msgio.h"
># 53 "/usr/src/lib/libnv/msgio.c" 2
>
>#ifndef	HAVE_PJDLOG
>#if 0 /* expanded by -frewrite-includes */
>#include <assert.h>
>#endif /* expanded by -frewrite-includes */
># 55 "/usr/src/lib/libnv/msgio.c"
># 1 "/usr/include/assert.h" 1 3 4
>/*-
> * SPDX-License-Identifier: BSD-3-Clause
> *
> * Copyright (c) 1992, 1993
> *	The Regents of the University of California.  All rights reserved.
> * (c) UNIX System Laboratories, Inc.
> * All or some portions of this file are derived from material licensed
> * to the University of California by American Telephone and Telegraph
> * Co. or Unix System Laboratories, Inc. and are reproduced herein with
> * the permission of UNIX System Laboratories, Inc.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in the
> *    documentation and/or other materials provided with the distribution.
> * 3. Neither the name of the University nor the names of its contributors
> *    may be used to endorse or promote products derived from this software
> *    without specific prior written permission.
> *
> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> *
> *	@(#)assert.h	8.2 (Berkeley) 1/21/94
> * $FreeBSD: stable/12/include/assert.h 326024 2017-11-20 19:45:28Z pfg $
> */
>
>#if 0 /* expanded by -frewrite-includes */
>#include <sys/cdefs.h>
>#endif /* expanded by -frewrite-includes */
># 40 "/usr/include/assert.h" 3 4
># 41 "/usr/include/assert.h" 3 4
>
>/*
> * Unlike other ANSI header files, <assert.h> may usefully be included
> * multiple times, with and without NDEBUG defined.
> */
>
>#undef assert
>#undef _assert
>
>#ifdef NDEBUG
>#define	assert(e)	((void)0)
>#define	_assert(e)	((void)0)
>#else
># 54 "/usr/include/assert.h" 3 4
>#define	_assert(e)	assert(e)
>
>#define	assert(e)	((e) ? (void)0 : __assert(__func__, __FILE__, \
>			    __LINE__, #e))
>#endif /* NDEBUG */
># 59 "/usr/include/assert.h" 3 4
>
>#ifndef _ASSERT_H_
>#define _ASSERT_H_
>
>/*
> * Static assertions.  In principle we could define static_assert for
> * C++ older than C++11, but this breaks if _Static_assert is
> * implemented as a macro.
> *
> * C++ template parameters may contain commas, even if not enclosed in
> * parentheses, causing the _Static_assert macro to be invoked with more
> * than two parameters.
> */
>#if 0 /* disabled by -frewrite-includes */
>#if __ISO_C_VISIBLE >= 2011 && !defined(__cplusplus)
>#endif
>#endif /* disabled by -frewrite-includes */
>#if 1 /* evaluated by -frewrite-includes */
># 73 "/usr/include/assert.h" 3 4
>#define	static_assert	_Static_assert
>#endif
># 75 "/usr/include/assert.h" 3 4
>
>__BEGIN_DECLS
>void __assert(const char *, const char *, int, const char *) __dead2;
>__END_DECLS
>
>#endif /* !_ASSERT_H_ */
># 81 "/usr/include/assert.h" 3 4
># 56 "/usr/src/lib/libnv/msgio.c" 2
>#define	PJDLOG_ASSERT(...)		assert(__VA_ARGS__)
>#define	PJDLOG_RASSERT(expr, ...)	assert(expr)
>#define	PJDLOG_ABORT(...)		abort()
>#endif
># 60 "/usr/src/lib/libnv/msgio.c"
>
>/*
> * To work around limitations in 32-bit emulation on 64-bit kernels, use a
> * machine-independent limit on the number of FDs per message.  Each control
> * message contains 1 FD and requires 12 bytes for the header, 4 pad bytes,
> * 4 bytes for the descriptor, and another 4 pad bytes.
> */
>#define	PKG_MAX_SIZE	(MCLBYTES / 24)
>
>static int
>msghdr_add_fd(struct cmsghdr *cmsg, int fd)
>{
>
>	PJDLOG_ASSERT(fd >= 0);
>
>	cmsg->cmsg_level = SOL_SOCKET;
>	cmsg->cmsg_type = SCM_RIGHTS;
>	cmsg->cmsg_len = CMSG_LEN(sizeof(fd));
>	bcopy(&fd, CMSG_DATA(cmsg), sizeof(fd));
>
>	return (0);
>}
>
>static int
>msghdr_get_fd(struct cmsghdr *cmsg)
>{
>	int fd;
>
>	if (cmsg == NULL || cmsg->cmsg_level != SOL_SOCKET ||
>	    cmsg->cmsg_type != SCM_RIGHTS ||
>	    cmsg->cmsg_len != CMSG_LEN(sizeof(fd))) {
>		errno = EINVAL;
>		return (-1);
>	}
>
>	bcopy(CMSG_DATA(cmsg), &fd, sizeof(fd));
>#ifndef MSG_CMSG_CLOEXEC
>	/*
>	 * If the MSG_CMSG_CLOEXEC flag is not available we cannot set the
>	 * close-on-exec flag atomically, but we still want to set it for
>	 * consistency.
>	 */
>	(void) fcntl(fd, F_SETFD, FD_CLOEXEC);
>#endif
># 104 "/usr/src/lib/libnv/msgio.c"
>
>	return (fd);
>}
>
>static void
>fd_wait(int fd, bool doread)
>{
>	fd_set fds;
>
>	PJDLOG_ASSERT(fd >= 0);
>
>	FD_ZERO(&fds);
>	FD_SET(fd, &fds);
>	(void)select(fd + 1, doread ? &fds : NULL, doread ? NULL : &fds,
>	    NULL, NULL);
>}
>
>static int
>msg_recv(int sock, struct msghdr *msg)
>{
>	int flags;
>
>	PJDLOG_ASSERT(sock >= 0);
>
>#ifdef MSG_CMSG_CLOEXEC
>	flags = MSG_CMSG_CLOEXEC;
>#else
># 131 "/usr/src/lib/libnv/msgio.c"
>	flags = 0;
>#endif
># 133 "/usr/src/lib/libnv/msgio.c"
>
>	for (;;) {
>		fd_wait(sock, true);
>		if (recvmsg(sock, msg, flags) == -1) {
>			if (errno == EINTR)
>				continue;
>			return (-1);
>		}
>		break;
>	}
>
>	return (0);
>}
>
>static int
>msg_send(int sock, const struct msghdr *msg)
>{
>
>	PJDLOG_ASSERT(sock >= 0);
>
>	for (;;) {
>		fd_wait(sock, false);
>		if (sendmsg(sock, msg, 0) == -1) {
>			if (errno == EINTR)
>				continue;
>			return (-1);
>		}
>		break;
>	}
>
>	return (0);
>}
>
>int
>cred_send(int sock)
>{
>	unsigned char credbuf[CMSG_SPACE(sizeof(struct cmsgcred))];
>	struct msghdr msg;
>	struct cmsghdr *cmsg;
>	struct iovec iov;
>	uint8_t dummy;
>
>	bzero(credbuf, sizeof(credbuf));
>	bzero(&msg, sizeof(msg));
>	bzero(&iov, sizeof(iov));
>
>	/*
>	 * XXX: We send one byte along with the control message, because
>	 *      setting msg_iov to NULL only works if this is the first
>	 *      packet send over the socket. Once we send some data we
>	 *      won't be able to send credentials anymore. This is most
>	 *      likely a kernel bug.
>	 */
>	dummy = 0;
>	iov.iov_base = &dummy;
>	iov.iov_len = sizeof(dummy);
>
>	msg.msg_iov = &iov;
>	msg.msg_iovlen = 1;
>	msg.msg_control = credbuf;
>	msg.msg_controllen = sizeof(credbuf);
>
>	cmsg = CMSG_FIRSTHDR(&msg);
>	cmsg->cmsg_len = CMSG_LEN(sizeof(struct cmsgcred));
>	cmsg->cmsg_level = SOL_SOCKET;
>	cmsg->cmsg_type = SCM_CREDS;
>
>	if (msg_send(sock, &msg) == -1)
>		return (-1);
>
>	return (0);
>}
>
>int
>cred_recv(int sock, struct cmsgcred *cred)
>{
>	unsigned char credbuf[CMSG_SPACE(sizeof(struct cmsgcred))];
>	struct msghdr msg;
>	struct cmsghdr *cmsg;
>	struct iovec iov;
>	uint8_t dummy;
>
>	bzero(credbuf, sizeof(credbuf));
>	bzero(&msg, sizeof(msg));
>	bzero(&iov, sizeof(iov));
>
>	iov.iov_base = &dummy;
>	iov.iov_len = sizeof(dummy);
>
>	msg.msg_iov = &iov;
>	msg.msg_iovlen = 1;
>	msg.msg_control = credbuf;
>	msg.msg_controllen = sizeof(credbuf);
>
>	if (msg_recv(sock, &msg) == -1)
>		return (-1);
>
>	cmsg = CMSG_FIRSTHDR(&msg);
>	if (cmsg == NULL ||
>	    cmsg->cmsg_len != CMSG_LEN(sizeof(struct cmsgcred)) ||
>	    cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_CREDS) {
>		errno = EINVAL;
>		return (-1);
>	}
>	bcopy(CMSG_DATA(cmsg), cred, sizeof(*cred));
>
>	return (0);
>}
>
>static int
>fd_package_send(int sock, const int *fds, size_t nfds)
>{
>	struct msghdr msg;
>	struct cmsghdr *cmsg;
>	struct iovec iov;
>	unsigned int i;
>	int serrno, ret;
>	uint8_t dummy;
>
>	PJDLOG_ASSERT(sock >= 0);
>	PJDLOG_ASSERT(fds != NULL);
>	PJDLOG_ASSERT(nfds > 0);
>
>	bzero(&msg, sizeof(msg));
>
>	/*
>	 * XXX: Look into cred_send function for more details.
>	 */
>	dummy = 0;
>	iov.iov_base = &dummy;
>	iov.iov_len = sizeof(dummy);
>
>	msg.msg_iov = &iov;
>	msg.msg_iovlen = 1;
>	msg.msg_controllen = nfds * CMSG_SPACE(sizeof(int));
>	msg.msg_control = calloc(1, msg.msg_controllen);
>	if (msg.msg_control == NULL)
>		return (-1);
>
>	ret = -1;
>
>	for (i = 0, cmsg = CMSG_FIRSTHDR(&msg); i < nfds && cmsg != NULL;
>	    i++, cmsg = CMSG_NXTHDR(&msg, cmsg)) {
>		if (msghdr_add_fd(cmsg, fds[i]) == -1)
>			goto end;
>	}
>
>	if (msg_send(sock, &msg) == -1)
>		goto end;
>
>	ret = 0;
>end:
>	serrno = errno;
>	free(msg.msg_control);
>	errno = serrno;
>	return (ret);
>}
>
>static int
>fd_package_recv(int sock, int *fds, size_t nfds)
>{
>	struct msghdr msg;
>	struct cmsghdr *cmsg;
>	unsigned int i;
>	int serrno, ret;
>	struct iovec iov;
>	uint8_t dummy;
>
>	PJDLOG_ASSERT(sock >= 0);
>	PJDLOG_ASSERT(nfds > 0);
>	PJDLOG_ASSERT(fds != NULL);
>
>	bzero(&msg, sizeof(msg));
>	bzero(&iov, sizeof(iov));
>
>	/*
>	 * XXX: Look into cred_send function for more details.
>	 */
>	iov.iov_base = &dummy;
>	iov.iov_len = sizeof(dummy);
>
>	msg.msg_iov = &iov;
>	msg.msg_iovlen = 1;
>	msg.msg_controllen = nfds * CMSG_SPACE(sizeof(int));
>	msg.msg_control = calloc(1, msg.msg_controllen);
>	if (msg.msg_control == NULL)
>		return (-1);
>
>	ret = -1;
>
>	if (msg_recv(sock, &msg) == -1)
>		goto end;
>
>	for (i = 0, cmsg = CMSG_FIRSTHDR(&msg); i < nfds && cmsg != NULL;
>	    i++, cmsg = CMSG_NXTHDR(&msg, cmsg)) {
>		fds[i] = msghdr_get_fd(cmsg);
>		if (fds[i] < 0)
>			break;
>	}
>
>	if (cmsg != NULL || i < nfds) {
>		int fd;
>
>		/*
>		 * We need to close all received descriptors, even if we have
>		 * different control message (eg. SCM_CREDS) in between.
>		 */
>		for (cmsg = CMSG_FIRSTHDR(&msg); cmsg != NULL;
>		    cmsg = CMSG_NXTHDR(&msg, cmsg)) {
>			fd = msghdr_get_fd(cmsg);
>			if (fd >= 0)
>				close(fd);
>		}
>		errno = EINVAL;
>		goto end;
>	}
>
>	ret = 0;
>end:
>	serrno = errno;
>	free(msg.msg_control);
>	errno = serrno;
>	return (ret);
>}
>
>int
>fd_recv(int sock, int *fds, size_t nfds)
>{
>	unsigned int i, step, j;
>	int ret, serrno;
>
>	if (nfds == 0 || fds == NULL) {
>		errno = EINVAL;
>		return (-1);
>	}
>
>	ret = i = step = 0;
>	while (i < nfds) {
>		if (PKG_MAX_SIZE < nfds - i)
>			step = PKG_MAX_SIZE;
>		else
>			step = nfds - i;
>		ret = fd_package_recv(sock, fds + i, step);
>		if (ret != 0) {
>			/* Close all received descriptors. */
>			serrno = errno;
>			for (j = 0; j < i; j++)
>				close(fds[j]);
>			errno = serrno;
>			break;
>		}
>		i += step;
>	}
>
>	return (ret);
>}
>
>int
>fd_send(int sock, const int *fds, size_t nfds)
>{
>	unsigned int i, step;
>	int ret;
>
>	if (nfds == 0 || fds == NULL) {
>		errno = EINVAL;
>		return (-1);
>	}
>
>	ret = i = step = 0;
>	while (i < nfds) {
>		if (PKG_MAX_SIZE < nfds - i)
>			step = PKG_MAX_SIZE;
>		else
>			step = nfds - i;
>		ret = fd_package_send(sock, fds + i, step);
>		if (ret != 0)
>			break;
>		i += step;
>	}
>
>	return (ret);
>}
>
>int
>buf_send(int sock, void *buf, size_t size)
>{
>	ssize_t done;
>	unsigned char *ptr;
>
>	PJDLOG_ASSERT(sock >= 0);
>	PJDLOG_ASSERT(size > 0);
>	PJDLOG_ASSERT(buf != NULL);
>
>	ptr = buf;
>	do {
>		fd_wait(sock, false);
>		done = send(sock, ptr, size, 0);
>		if (done == -1) {
>			if (errno == EINTR)
>				continue;
>			return (-1);
>		} else if (done == 0) {
>			errno = ENOTCONN;
>			return (-1);
>		}
>		size -= done;
>		ptr += done;
>	} while (size > 0);
>
>	return (0);
>}
>
>int
>buf_recv(int sock, void *buf, size_t size)
>{
>	ssize_t done;
>	unsigned char *ptr;
>
>	PJDLOG_ASSERT(sock >= 0);
>	PJDLOG_ASSERT(buf != NULL);
>
>	ptr = buf;
>	while (size > 0) {
>		fd_wait(sock, true);
>		done = recv(sock, ptr, size, 0);
>		if (done == -1) {
>			if (errno == EINTR)
>				continue;
>			return (-1);
>		} else if (done == 0) {
>			errno = ENOTCONN;
>			return (-1);
>		}
>		size -= done;
>		ptr += done;
>	}
>
>	return (0);
>}

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Attachments on bug 248513: 217066 | 217067