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<p>
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Next: <a href="wcwidth.html#wcwidth" accesskey="n" rel="next">wcwidth</a>, Previous: <a href="wcswidth.html#wcswidth" accesskey="p" rel="prev">wcswidth</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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<hr>
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<a name="wcsxfrm_002d_002d_002dlocale_002dspecific-wide_002dcharacter-string-transformation"></a>
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<h3 class="section">6.29 <code>wcsxfrm</code>—locale-specific wide-character string transformation</h3>
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<a name="index-wcsxfrm"></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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int wcsxfrm(wchar_t *__restrict <var>stra</var>,
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const wchar_t *__restrict <var>strb</var>, size_t <var>n</var>);
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</pre></div>
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<p><strong>Description</strong><br>
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<code>wcsxfrm</code> transforms the wide-character string pointed to by
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<var>strb</var> to the wide-character string pointed to by <var>stra</var>,
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Comparing two transformed wide strings with <code>wcscmp</code> should return
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the same result as comparing the original strings with <code>wcscoll</code>.
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No more than <var>n</var> wide characters are transformed, including the
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trailing null character.
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</p>
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<p>If <var>n</var> is 0, <var>stra</var> may be a NULL pointer.
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</p>
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<p>(NOT Cygwin:) The current implementation of <code>wcsxfrm</code> simply uses
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<code>wcslcpy</code> and does not support any language-specific transformations.
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</p>
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<br>
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<p><strong>Returns</strong><br>
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<code>wcsxfrm</code> returns the length of the transformed wide character
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string. if the return value is greater or equal to <var>n</var>, the
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content of <var>stra</var> is undefined.
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</p>
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<br>
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<p><strong>Portability</strong><br>
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<code>wcsxfrm</code> is ISO/IEC 9899/AMD1:1995 (ISO C).
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</p>
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<br>
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