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96 lines
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96 lines
3.7 KiB
HTML
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<a name="iswxdigit"></a>
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<p>
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Next: <a href="iswctype.html#iswctype" accesskey="n" rel="next">iswctype</a>, Previous: <a href="iswupper.html#iswupper" accesskey="p" rel="prev">iswupper</a>, Up: <a href="Ctype.html#Ctype" accesskey="u" rel="up">Ctype</a> [<a href="Document-Index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Document-Index.html#Document-Index" title="Index" rel="index">Index</a>]</p>
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<a name="iswxdigit_002c-iswxdigit_005fl_002d_002d_002dhexadecimal-digit-wide-character-test"></a>
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<h3 class="section">3.27 <code>iswxdigit</code>, <code>iswxdigit_l</code>—hexadecimal digit wide character test</h3>
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<a name="index-iswxdigit"></a>
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<a name="index-iswxdigit_005fl"></a>
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<p><strong>Synopsis</strong>
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</p><div class="example">
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<pre class="example">#include <wctype.h>
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int iswxdigit(wint_t <var>c</var>);
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#include <wctype.h>
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int iswxdigit_l(wint_t <var>c</var>, locale_t <var>locale</var>);
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</pre></div>
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<p><strong>Description</strong><br>
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<code>iswxdigit</code> is a function which classifies wide character values that
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are hexadecimal digits.
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</p>
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<p><code>iswxdigit_l</code> is like <code>iswxdigit</code> but performs the check based on the
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locale specified by the locale object locale. If <var>locale</var> is
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LC_GLOBAL_LOCALE or not a valid locale object, the behaviour is undefined.
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</p>
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<br>
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<p><strong>Returns</strong><br>
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<code>iswxdigit</code>, <code>iswxdigit_l</code> return non-zero if <var>c</var> is a hexadecimal digit wide character.
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</p>
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<br>
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<p><strong>Portability</strong><br>
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<code>iswxdigit</code> is C99.
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<code>iswxdigit_l</code> is POSIX-1.2008.
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</p>
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<p>No supporting OS subroutines are required.
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</p>
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