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<a name="wcsnlen_002d_002d_002dget-fixed_002dsize-wide_002dcharacter-string-length"></a>
<h3 class="section">6.22 <code>wcsnlen</code>&mdash;get fixed-size wide-character string length</h3>
<a name="index-wcsnlen"></a>
<p><strong>Synopsis</strong>
</p><div class="example">
<pre class="example">#include &lt;wchar.h&gt;
size_t wcsnlen(const wchar_t *<var>s</var>, size_t <var>maxlen</var>);

</pre></div>
<p><strong>Description</strong><br>
The <code>wcsnlen</code> function computes the number of wide-character codes
in the wide-character string pointed to by <var>s</var> not including the
terminating L&rsquo;\0&rsquo; wide character but at most <var>maxlen</var> wide
characters.
</p>
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<p><strong>Returns</strong><br>
<code>wcsnlen</code> returns the length of <var>s</var> if it is less then <var>maxlen</var>,
or <var>maxlen</var> if there is no L&rsquo;\0&rsquo; wide character in first <var>maxlen</var>
characters.
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<p><strong>Portability</strong><br>
<code>wcsnlen</code> is a GNU extension.
</p>
<p><code>wcsnlen</code> requires no supporting OS subroutines.
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