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/* $NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad Exp $ */ |
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/* $FreeBSD: src/include/getopt.h,v 1.6 2004/02/24 08:09:20 ache Exp $ */ |
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/*- |
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* Copyright (c) 2000 The NetBSD Foundation, Inc. |
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* All rights reserved. |
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* |
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* This code is derived from software contributed to The NetBSD Foundation |
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* by Dieter Baron and Thomas Klausner. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* This product includes software developed by the NetBSD |
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* Foundation, Inc. and its contributors. |
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* 4. Neither the name of The NetBSD Foundation nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef _GETOPT_H_ |
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#define _GETOPT_H_ |
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#include <sys/cdefs.h> |
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/* |
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* GNU-like getopt_long()/getopt_long_only() with 4.4BSD optreset extension. |
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* getopt() is declared here too for GNU programs. |
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*/ |
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#define no_argument 0 |
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#define required_argument 1 |
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#define optional_argument 2 |
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struct option { |
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/* name of long option */ |
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const char *name; |
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/* |
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* one of no_argument, required_argument, and optional_argument: |
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* whether option takes an argument |
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*/ |
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int has_arg; |
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/* if not NULL, set *flag to val when option found */ |
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int *flag; |
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/* if flag not NULL, value to set *flag to; else return value */ |
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int val; |
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}; |
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__BEGIN_DECLS |
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int getopt_long(int, char * const *, const char *, |
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const struct option *, int *); |
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int getopt_long_only(int, char * const *, const char *, |
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const struct option *, int *); |
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#ifndef _GETOPT_DECLARED |
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#define _GETOPT_DECLARED |
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int getopt(int, char * const [], const char *); |
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extern char *optarg; /* getopt(3) external variables */ |
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extern int optind, opterr, optopt; |
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#endif |
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#ifndef _OPTRESET_DECLARED |
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#define _OPTRESET_DECLARED |
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extern int optreset; /* getopt(3) external variable */ |
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#endif |
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__END_DECLS |
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#endif /* !_GETOPT_H_ */ |