for Visual Basic.</para>

	      for Visual Basic.</para>

	    <para>The <ulink

	    <para>The <ulink

		Basic Interpreter</ulink> and the <ulink

		Basic Interpreter</ulink> and the <ulink

		URL="ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/packages/lang/pbasic-2.0.tgz">Phil

		URL="ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/packages/lang/pbasic-2.0.tgz">Phil

		Cockroft's Basic Interpreter</ulink> (formerly Rabbit

		Cockroft's Basic Interpreter</ulink> (formerly Rabbit

	      languages that were popular at the time.  Instead of

	      languages that were popular at the time.  Instead of

	      being based on numbers, Lisp is based on lists; in fact

	      being based on numbers, Lisp is based on lists; in fact

	      the name is short for <quote>List Processing</quote>.

	      the name is short for <quote>List Processing</quote>.

	      circles.</para>

	      circles.</para>

	    <para>Lisp is an extremely powerful and sophisticated

	    <para>Lisp is an extremely powerful and sophisticated

	      scripts; also often used on World Wide Web servers for

	      scripts; also often used on World Wide Web servers for

	      writing <acronym>CGI</acronym> scripts.</para>

	      writing <acronym>CGI</acronym> scripts.</para>

	  </listitem>

	  </listitem>

	</varlistentry>

	</varlistentry>

	      abstraction to be used in research work.</para>

	      abstraction to be used in research work.</para>

	    <para>FreeBSD has packages of the <ulink

	    <para>FreeBSD has packages of the <ulink

		Scheme Interpreter</ulink>, the <ulink

		Scheme Interpreter</ulink>, the <ulink

		Scheme Interpreter</ulink> and the <ulink

		Scheme Interpreter</ulink> and the <ulink

		Scheme Interpreter</ulink>.</para>

		Scheme Interpreter</ulink>.</para>

	  </listitem>

	  </listitem>

	</varlistentry>

	</varlistentry>

	  <listitem>

	  <listitem>

	    <para><ulink

	    <para><ulink

		Icon Programming Language</ulink>.</para>

		Icon Programming Language</ulink>.</para>

	  </listitem>

	  </listitem>

	</varlistentry>

	</varlistentry>

	  <listitem>

	  <listitem>

	    <para><ulink

	    <para><ulink

		Harvey's LOGO Interpreter</ulink>.</para>

		Harvey's LOGO Interpreter</ulink>.</para>

	  </listitem>

	  </listitem>

	</varlistentry>

	</varlistentry>

	  <listitem>

	  <listitem>

	    <para><ulink

	    <para><ulink

		Python Object-Oriented Programming

		Python Object-Oriented Programming

		Language</ulink></para>

		Language</ulink></para>

	  </listitem>

	  </listitem>

      <command>cc</command> is a front end that manages calling all these

      <command>cc</command> is a front end that manages calling all these

      programs with the right arguments for you; simply typing</para>

      programs with the right arguments for you; simply typing</para>

    <para>will cause <filename>foobar.c</filename> to be compiled by all the

    <para>will cause <filename>foobar.c</filename> to be compiled by all the

      steps above.  If you have more than one file to compile, just do

      steps above.  If you have more than one file to compile, just do

      something like</para>

      something like</para>

    <para>Note that the syntax checking is just that&mdash;checking

    <para>Note that the syntax checking is just that&mdash;checking

      the syntax.  It will not check for any logical mistakes you may

      the syntax.  It will not check for any logical mistakes you may

      </footnote></para>

      </footnote></para>

    <para>There are lots and lots of options for <command>cc</command>, which

    <para>There are lots and lots of options for <command>cc</command>, which

      ones, with examples of how to use them.</para>

      ones, with examples of how to use them.</para>

    <variablelist>

    <variablelist>

	    </footnote></para>

	    </footnote></para>

	  <informalexample>

	  <informalexample>

	    </screen>

	    </screen>

	  </informalexample>

	  </informalexample>

	</listitem>

	</listitem>

	code</firstterm>.</para>

	code</firstterm>.</para>

    <para>Generally, you should try to make your code as portable as

    <para>Generally, you should try to make your code as portable as

      program later to get it to work somewhere else—and who

      program later to get it to work somewhere else—and who

      knows what you may be using in a few years time?</para>

      knows what you may be using in a few years time?</para>

	    <command>g++</command> on FreeBSD.</para>

	    <command>g++</command> on FreeBSD.</para>

	  <informalexample>

	  <informalexample>

&prompt.user; <userinput>c++ -o foobar foobar.cc</userinput>

&prompt.user; <userinput>c++ -o foobar foobar.cc</userinput>

	    </screen>

	    </screen>

	  </informalexample>

	  </informalexample>

	on a few of the basic commands.</para>

	on a few of the basic commands.</para>

      <para>Finally, if you find its text-based command-prompt style

      <para>Finally, if you find its text-based command-prompt style

	collection.</para>

	collection.</para>

      <para>This section is intended to be an introduction to using

      <para>This section is intended to be an introduction to using

 under certain conditions; type "show copying" to see the conditions.

 under certain conditions; type "show copying" to see the conditions.

There is absolutely no warranty for GDB; type "show warranty" for details.

There is absolutely no warranty for GDB; type "show warranty" for details.

GDB 4.13 (i386-unknown-freebsd), Copyright 1994 Free Software Foundation, Inc.

GDB 4.13 (i386-unknown-freebsd), Copyright 1994 Free Software Foundation, Inc.

(gdb)</screen>

(gdb)</screen>

      <para>Hang on a minute! How did <symbol>anint</symbol> get to be

      <para>Hang on a minute! How did <symbol>anint</symbol> get to be

	<literal>5</literal> in <function>main()</function>? Let's

	<literal>5</literal> in <function>main()</function>? Let's

	move up to <function>main()</function> and have a look.</para>

	move up to <function>main()</function> and have a look.</para>

      <para>Oh dear! Looking at the code, we forgot to initialise

      <para>Oh dear! Looking at the code, we forgot to initialise

	<symbol>i</symbol>.  We meant to put</para>

	<symbol>i</symbol>.  We meant to put</para>

main() {

main() {

	int i;

	int i;

	i = 5;

	i = 5;

	printf("This is my program\n");

	printf("This is my program\n");

      <para>but we left the <literal>i=5;</literal> line out.  As we

      <para>but we left the <literal>i=5;</literal> line out.  As we

	did not initialise <symbol>i</symbol>, it had whatever number

	did not initialise <symbol>i</symbol>, it had whatever number

	quite big!).</para>

	quite big!).</para>

      <para>The best way to learn Emacs Lisp is to download the <ulink

      <para>The best way to learn Emacs Lisp is to download the <ulink

	  Tutorial</ulink></para>

	  Tutorial</ulink></para>

      <para>However, there is no need to actually know any Lisp to get

      <para>However, there is no need to actually know any Lisp to get

	<filename>.emacs</filename> and add a line for whizbang, such

	<filename>.emacs</filename> and add a line for whizbang, such

	as:</para>

	as:</para>

("\\.lsp$" . lisp-mode)

("\\.lsp$" . lisp-mode)

("\\.wiz$" . whizbang-mode)

("\\.wiz$" . whizbang-mode)

("\\.scm$" . scheme-mode)

("\\.scm$" . scheme-mode)

      <para>This means that Emacs will automatically go into

      <para>This means that Emacs will automatically go into

	<function>whizbang-mode</function> when you edit a file ending

	<function>whizbang-mode</function> when you edit a file ending