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| <h3 class="section">6.1 <code>wmemchr</code>—find a wide character in memory</h3> |
| |
| <p><strong>Synopsis</strong> |
| <pre class="example"> #include <wchar.h> |
| wchar_t *wmemchr(const wchar_t *<var>s</var>, wchar_t <var>c</var>, size_t <var>n</var>); |
| |
| </pre> |
| <p><strong>Description</strong><br> |
| The <code>wmemchr</code> function locates the first occurrence of <var>c</var> in the |
| initial <var>n</var> wide characters of the object pointed to be <var>s</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>If <var>n</var> is zero, <var>s</var> must be a valid pointer and the function |
| behaves as if no valid occurrence of <var>c</var> is found. |
| |
| <p><br> |
| <strong>Returns</strong><br> |
| The <code>wmemchr</code> function returns a pointer to the located |
| wide character, or a null pointer if the wide character does not occur |
| in the object. |
| |
| <p><br> |
| <strong>Portability</strong><br> |
| <code>wmemchr</code> is ISO/IEC 9899/AMD1:1995 (ISO C). |
| |
| <p>No supporting OS subroutines are required. |
| |
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