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| <h3 class="section">3.19 <code>iswdigit</code>—decimal digit wide character test</h3> |
| |
| <p><a name="index-iswdigit-131"></a><strong>Synopsis</strong> |
| <pre class="example"> #include <wctype.h> |
| int iswdigit(wint_t <var>c</var>); |
| |
| </pre> |
| <p><strong>Description</strong><br> |
| <code>iswdigit</code> is a function which classifies wide-character values that |
| are decimal digits. |
| |
| <p><br> |
| <strong>Returns</strong><br> |
| <code>iswdigit</code> returns non-zero if <var>c</var> is a decimal digit wide character. |
| |
| <p><br> |
| <strong>Portability</strong><br> |
| <code>iswdigit</code> is C99. |
| |
| <p>No supporting OS subroutines are required. |
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