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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head>  <meta name="generator" content=  "HTML Tidy for Linux/x86 (vers 1 September 2005), see www.w3.org">  <title>strcat</title>  <link href="../cppreference.css" rel="stylesheet" type="text/css"></head><body><table>  <tr>  <td>  <div class="body-content">  <div class="header-box">    <a href="../index.html">cppreference.com</a> &gt; <a href=    "index.html">Standard C String and Character</a> &gt; <a href=    "strcat.html">strcat</a>  </div>  <div class="name-format">    strcat  </div>  <div class="syntax-name-format">    Syntax:  </div>  <pre class="syntax-box">  #include &lt;string.h&gt;  char *strcat( char *str1, const char *str2 );</pre>  <p>The strcat() function concatenates <em>str2</em> onto the end of  <em>str1</em>, and returns <em>str1</em>. For example:</p>  <pre class="example-code">   printf( &quot;Enter your name: &quot; );   scanf( &quot;%s&quot;, name );   title = strcat( name, &quot; the Great&quot; );   printf( &quot;Hello, %s\n&quot;, title );            </pre>  <p>Note that strcat() does not perform bounds checking, and thus  risks overrunning <em>str1</em> or <em>str2</em>.  For a similar (and  safer) function that includes bounds checking, see <a  href="strncat.html">strncat()</a>.</p>  <div class="related-name-format">    Related topics:  </div>  <div class="related-content">    <a href="strchr.html">strchr</a><br>    <a href="strcmp.html">strcmp</a><br>    <a href="strcpy.html">strcpy</a><br>    <a href="strncat.html">strncat</a>  </div>  <p>Another set of related (but non-standard) functions are <a  href="http://en.wikipedia.org/wiki/Strlcpy">strlcpy and  strlcat</a>.</p>  </div>  </td>    </tr>  </table></body></html>

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