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| <h3 class="section">3.30 <code>towupper</code>—translate wide characters to uppercase</h3> |
| |
| <p><a name="index-towupper-142"></a><strong>Synopsis</strong> |
| <pre class="example"> #include <wctype.h> |
| wint_t towupper(wint_t <var>c</var>); |
| |
| </pre> |
| <p><strong>Description</strong><br> |
| <code>towupper</code> is a function which converts lowercase wide characters to |
| uppercase, leaving all other characters unchanged. |
| |
| <p><br> |
| <strong>Returns</strong><br> |
| <code>towupper</code> returns the uppercase equivalent of <var>c</var> when it is a |
| lowercase wide character, otherwise, it returns the input character. |
| |
| <p><br> |
| <strong>Portability</strong><br> |
| <code>towupper</code> is C99. |
| |
| <p>No supporting OS subroutines are required. |
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