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<title>The Red Hat newlib C Library: strcat</title>
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Next: <a href="strchr.html#strchr" accesskey="n" rel="next">strchr</a>, Previous: <a href="strcasestr.html#strcasestr" accesskey="p" rel="prev">strcasestr</a>, Up: <a href="Strings.html#Strings" accesskey="u" rel="up">Strings</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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<a name="strcat_002d_002d_002dconcatenate-strings"></a>
<h3 class="section">5.20 <code>strcat</code>—concatenate strings</h3>
<a name="index-strcat"></a>
<p><strong>Synopsis</strong>
</p><div class="example">
<pre class="example">#include <string.h>
char *strcat(char *restrict <var>dst</var>, const char *restrict <var>src</var>);
</pre></div>
<p><strong>Description</strong><br>
<code>strcat</code> appends a copy of the string pointed to by <var>src</var>
(including the terminating null character) to the end of the
string pointed to by <var>dst</var>. The initial character of
<var>src</var> overwrites the null character at the end of <var>dst</var>.
</p>
<br>
<p><strong>Returns</strong><br>
This function returns the initial value of <var>dst</var>
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<p><strong>Portability</strong><br>
<code>strcat</code> is ANSI C.
</p>
<p><code>strcat</code> requires no supporting OS subroutines.
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