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<a name="strsignal_002d_002d_002dconvert-signal-number-to-string"></a>
<h3 class="section">5.39 <code>strsignal</code>&mdash;convert signal number to string</h3>
<a name="index-strsignal"></a>
<p><strong>Synopsis</strong>
</p><div class="example">
<pre class="example">#include &lt;string.h&gt;
char *strsignal(int <var>signal</var>);

</pre></div>
<p><strong>Description</strong><br>
<code>strsignal</code> converts the signal number <var>signal</var> into a
string.  If <var>signal</var> is not a known signal number, the result
will be of the form &quot;Unknown signal NN&quot; where NN is the <var>signal</var>
is a decimal number.
</p>
<br>
<p><strong>Returns</strong><br>
This function returns a pointer to a string.  Your application must
not modify that string.
</p>
<br>
<p><strong>Portability</strong><br>
POSIX.1-2008 C requires <code>strsignal</code>, but does not specify the strings used
for each signal number.
</p>
<p><code>strsignal</code> requires no supporting OS subroutines.
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