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<a name="wmemcmp_002d_002d_002dcompare-wide-characters-in-memory"></a>
<h3 class="section">6.2 <code>wmemcmp</code>&mdash;compare wide characters in memory</h3>
<p><strong>Synopsis</strong>
</p><div class="example">
<pre class="example">#include &lt;wchar.h&gt;
int wmemcmp(const wchar_t *<var>s1</var>, const wchar_t *<var>s2</var>, size_t <var>n</var>);

</pre></div>
<p><strong>Description</strong><br>
The <code>wmemcmp</code> function compares the first <var>n</var> wide characters of the
object pointed to by <var>s1</var> to the first <var>n</var> wide characters of the
object pointed to by <var>s2</var>. This function is not affected by locale
and all wchar_t values are treated identically. The null wide character
and wchar_t values not corresponding to valid characters are not treated
specially.
</p>
<p>If <var>n</var> is zero, <var>s1</var> and <var>s2</var> must be a valid pointers and the
function behaves as if the two objects compare equal. 
</p>
<br>
<p><strong>Returns</strong><br>
The <code>wmemcmp</code> function returns an integer greater than, equal to,
or less than zero, accordingly as the object pointed to by <var>s1</var> is
greater than, equal to, or less than the object pointed to by <var>s2</var>.
</p>
<br>
<p><strong>Portability</strong><br>
<code>wmemcmp</code> is ISO/IEC 9899/AMD1:1995 (ISO C).
</p>
<p>No supporting OS subroutines are required.
</p>
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