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96 lines
3.7 KiB
HTML
96 lines
3.7 KiB
HTML
4 years ago
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<title>iswdigit (The Red Hat newlib C Library)</title>
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<meta name="description" content="iswdigit (The Red Hat newlib C Library)">
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<meta name="keywords" content="iswdigit (The Red Hat newlib C Library)">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Document-Index.html#Document-Index" rel="index" title="Document Index">
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<link href="Document-Index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Ctype.html#Ctype" rel="up" title="Ctype">
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</head>
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<body lang="en">
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<a name="iswdigit"></a>
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<div class="header">
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<p>
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Next: <a href="iswgraph.html#iswgraph" accesskey="n" rel="next">iswgraph</a>, Previous: <a href="iswblank.html#iswblank" accesskey="p" rel="prev">iswblank</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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</div>
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<hr>
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<a name="iswdigit_002c-iswdigit_005fl_002d_002d_002ddecimal-digit-wide-character-test"></a>
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<h3 class="section">3.20 <code>iswdigit</code>, <code>iswdigit_l</code>—decimal digit wide character test</h3>
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<a name="index-iswdigit"></a>
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<a name="index-iswdigit_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 iswdigit(wint_t <var>c</var>);
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#include <wctype.h>
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int iswdigit_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>iswdigit</code> is a function which classifies wide-character values that
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are decimal digits.
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</p>
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<p><code>iswdigit_l</code> is like <code>iswdigit</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>iswdigit</code>, <code>iswdigit_l</code> return non-zero if <var>c</var> is a decimal 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>iswdigit</code> is C99.
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<code>iswdigit_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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<br>
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</body>
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</html>
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