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Next: <a href="wcspbrk.html#wcspbrk" accesskey="n" rel="next">wcspbrk</a>, Previous: <a href="wcpncpy.html#wcpncpy" accesskey="p" rel="prev">wcpncpy</a>, Up: <a href="Wchar-strings.html#Wchar-strings" accesskey="u" rel="up">Wchar 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="wcsnlen_002d_002d_002dget-fixed_002dsize-wide_002dcharacter-string-length"></a>
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<h3 class="section">6.22 <code>wcsnlen</code>—get fixed-size wide-character string length</h3>
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<a name="index-wcsnlen"></a>
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<p><strong>Synopsis</strong>
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</p><div class="example">
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<pre class="example">#include <wchar.h>
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size_t wcsnlen(const wchar_t *<var>s</var>, size_t <var>maxlen</var>);
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</pre></div>
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<p><strong>Description</strong><br>
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The <code>wcsnlen</code> function computes the number of wide-character codes
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in the wide-character string pointed to by <var>s</var> not including the
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terminating L’\0’ wide character but at most <var>maxlen</var> wide
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characters.
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</p>
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<p><strong>Returns</strong><br>
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<code>wcsnlen</code> returns the length of <var>s</var> if it is less then <var>maxlen</var>,
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or <var>maxlen</var> if there is no L’\0’ wide character in first <var>maxlen</var>
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characters.
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<br>
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<p><strong>Portability</strong><br>
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<code>wcsnlen</code> is a GNU extension.
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<p><code>wcsnlen</code> requires no supporting OS subroutines.
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