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<a name="g_t_005fExit"></a>
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<a name="g_t_005fExit_002d_002d_002dend-program-execution-with-no-cleanup-processing"></a>
<h3 class="section">2.1 <code>_Exit</code>&mdash;end program execution with no cleanup processing</h3>
<a name="index-_005fExit"></a>
<p><strong>Synopsis</strong>
</p><div class="example">
<pre class="example">#include &lt;stdlib.h&gt;
void _Exit(int <var>code</var>);

</pre></div>
<p><strong>Description</strong><br>
Use <code>_Exit</code> to return control from a program to the host operating
environment.  Use the argument <var>code</var> to pass an exit status to the
operating environment: two particular values, <code>EXIT_SUCCESS</code> and
<code>EXIT_FAILURE</code>, are defined in &lsquo;<code>stdlib.h</code>&rsquo; to indicate success or
failure in a portable fashion.
</p>
<p><code>_Exit</code> differs from <code>exit</code> in that it does not run any
application-defined cleanup functions registered with <code>atexit</code> and
it does not clean up files and streams.  It is identical to <code>_exit</code>.
</p>
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<p><strong>Returns</strong><br>
<code>_Exit</code> does not return to its caller.
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<p><strong>Portability</strong><br>
<code>_Exit</code> is defined by the C99 standard.
</p>
<p>Supporting OS subroutines required: <code>_exit</code>.
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