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<a name="wcslen_002d_002d_002dget-wide_002dcharacter-string-length"></a>
<h3 class="section">6.17 <code>wcslen</code>&mdash;get wide-character string length</h3>
<p><strong>Synopsis</strong>
</p><div class="example">
<pre class="example">#include &lt;wchar.h&gt;
size_t wcslen(const wchar_t *<var>s</var>);

</pre></div>
<p><strong>Description</strong><br>
The <code>wcslen</code> function computes the number of wide-character codes
in the wide-character string to which <var>s</var> points, not including the
terminating null wide-character code.
</p>
<br>
<p><strong>Returns</strong><br>
The <code>wcslen</code> function returns the length of <var>s</var>; no return value is
reserved to indicate an error.
</p>
<br>
<p><strong>Portability</strong><br>
<code>wcslen</code> is ISO/IEC 9899/AMD1:1995 (ISO C).
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<p>No supporting OS subroutines are required.
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