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<a name="Extract-a-value-from-argument-list-1"></a>
<h4 class="subsection">14.2.3 Extract a value from argument list</h4>
<a name="index-va_005farg-1"></a>
<p><strong>Synopsis</strong>
</p><div class="example">
<pre class="example">#include &lt;varargs.h&gt;
<var>type</var> va_arg(va_list <var>ap</var>, <var>type</var>);
</pre></div>

<p><strong>Description</strong><br>
<code>va_arg</code> returns the next unprocessed value from a variable
argument list <var>ap</var> (which you must previously create with
<var>va_start</var>).  Specify the type for the value as the second parameter
to the macro, <var>type</var>.
</p>
<p><strong>Returns</strong><br>
<code>va_arg</code> returns the next argument, an object of type <var>type</var>.
</p>
<p><strong>Portability</strong><br>
The <code>va_arg</code> defined in <samp>varargs.h</samp> has the same syntax and
usage as the ANSI C version from <samp>stdarg.h</samp>.
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