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| <h3 class="section">3.31 <code>towctrans</code>—extensible wide-character translation</h3> |
| |
| <p><a name="index-towctrans-143"></a><strong>Synopsis</strong> |
| <pre class="example"> #include <wctype.h> |
| wint_t towctrans(wint_t <var>c</var>, wctrans_t <var>w</var>); |
| |
| </pre> |
| <p><strong>Description</strong><br> |
| <code>towctrans</code> is a function which converts wide characters based on |
| a specified translation type <var>w</var>. If the translation type is |
| invalid or cannot be applied to the current character, no change |
| to the character is made. |
| |
| <p><br> |
| <strong>Returns</strong><br> |
| <code>towctrans</code> returns the translated equivalent of <var>c</var> when it is a |
| valid for the given translation, otherwise, it returns the input character. |
| When the translation type is invalid, <code>errno</code> is set <code>EINVAL</code>. |
| |
| <p><br> |
| <strong>Portability</strong><br> |
| <code>towctrans</code> is C99. |
| |
| <p>No supporting OS subroutines are required. |
| |
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