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<title>The Red Hat newlib C Library: wcsxfrm</title>
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<a name="wcsxfrm_002d_002d_002dlocale_002dspecific-wide_002dcharacter-string-transformation"></a>
<h3 class="section">6.28 <code>wcsxfrm</code>—locale-specific wide-character string transformation</h3>
<a name="index-wcsxfrm"></a>
<p><strong>Synopsis</strong>
</p><div class="example">
<pre class="example">#include <wchar.h>
int wcsxfrm(wchar_t *__restrict <var>stra</var>,
const wchar_t *__restrict <var>strb</var>, size_t <var>n</var>);
</pre></div>
<p><strong>Description</strong><br>
<code>wcsxfrm</code> transforms the wide-character string pointed to by
<var>strb</var> to the wide-character string pointed to by <var>stra</var>,
Comparing two transformed wide strings with <code>wcscmp</code> should return
the same result as comparing the original strings with <code>wcscoll</code>.
No more than <var>n</var> wide characters are transformed, including the
trailing null character.
</p>
<p>If <var>n</var> is 0, <var>stra</var> may be a NULL pointer.
</p>
<p>The current implementation of <code>wcsxfrm</code> simply uses <code>wcslcpy</code>
and does not support any language-specific transformations.
</p>
<br>
<p><strong>Returns</strong><br>
<code>wcsxfrm</code> returns the length of the transformed wide character
string. if the return value is greater or equal to <var>n</var>, the
content of <var>stra</var> is undefined.
</p>
<br>
<p><strong>Portability</strong><br>
<code>wcsxfrm</code> is ISO/IEC 9899/AMD1:1995 (ISO C).
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