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87 lines
3.9 KiB
HTML
87 lines
3.9 KiB
HTML
4 years ago
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>Varargs (The Red Hat newlib C Library)</title>
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<meta name="description" content="Varargs (The Red Hat newlib C Library)">
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<meta name="keywords" content="Varargs (The Red Hat newlib C Library)">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Document-Index.html#Document-Index" rel="index" title="Document Index">
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<link href="Document-Index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Arglists.html#Arglists" rel="up" title="Arglists">
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<link href="va_005falist.html#va_005falist" rel="next" title="va_alist">
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</head>
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<body lang="en">
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<a name="Varargs"></a>
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<div class="header">
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<p>
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Previous: <a href="Stdarg.html#Stdarg" accesskey="p" rel="prev">Stdarg</a>, Up: <a href="Arglists.html#Arglists" accesskey="u" rel="up">Arglists</a> [<a href="Document-Index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Document-Index.html#Document-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="Traditional-macros_002c-varargs_002eh"></a>
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<h3 class="section">14.2 Traditional macros, <samp>varargs.h</samp></h3>
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<p>If your C compiler predates ANSI C, you may still be able to use
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variable argument lists using the macros from the <samp>varargs.h</samp>
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header file. These macros resemble their ANSI counterparts, but have
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important differences in usage. In particular, since traditional C has
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no declaration mechanism for variable argument lists, two additional
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macros are provided simply for the purpose of defining functions with
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variable argument lists.
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</p>
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<p>As with <samp>stdarg.h</samp>, the type <code>va_list</code> is used to hold a data
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structure representing a variable argument list.
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</p>
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<table class="menu" border="0" cellspacing="0">
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<tr><td align="left" valign="top">• <a href="va_005falist.html#va_005falist" accesskey="1">va_alist</a>:</td><td> </td><td align="left" valign="top">
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</td></tr>
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<tr><td align="left" valign="top">• <a href="va_005fstart_002dtrad.html#va_005fstart_002dtrad" accesskey="2">va_start-trad</a>:</td><td> </td><td align="left" valign="top">
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</td></tr>
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<tr><td align="left" valign="top">• <a href="va_005farg_002dtrad.html#va_005farg_002dtrad" accesskey="3">va_arg-trad</a>:</td><td> </td><td align="left" valign="top">
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</td></tr>
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<tr><td align="left" valign="top">• <a href="va_005fend_002dtrad.html#va_005fend_002dtrad" accesskey="4">va_end-trad</a>:</td><td> </td><td align="left" valign="top">
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