You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
97 lines
3.7 KiB
HTML
97 lines
3.7 KiB
HTML
4 years ago
|
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
||
|
|
<html>
|
||
|
|
<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
|
||
|
|
<head>
|
||
|
|
<title>iswalpha (The Red Hat newlib C Library)</title>
|
||
|
|
|
||
|
|
<meta name="description" content="iswalpha (The Red Hat newlib C Library)">
|
||
|
|
<meta name="keywords" content="iswalpha (The Red Hat newlib C Library)">
|
||
|
|
<meta name="resource-type" content="document">
|
||
|
|
<meta name="distribution" content="global">
|
||
|
|
<meta name="Generator" content="makeinfo">
|
||
|
|
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
|
||
|
|
<link href="index.html#Top" rel="start" title="Top">
|
||
|
|
<link href="Document-Index.html#Document-Index" rel="index" title="Document Index">
|
||
|
|
<link href="Document-Index.html#SEC_Contents" rel="contents" title="Table of Contents">
|
||
|
|
<link href="Ctype.html#Ctype" rel="up" title="Ctype">
|
||
|
|
<link href="iswcntrl.html#iswcntrl" rel="next" title="iswcntrl">
|
||
|
|
<link href="iswalnum.html#iswalnum" rel="prev" title="iswalnum">
|
||
|
|
<style type="text/css">
|
||
|
|
<!--
|
||
|
|
a.summary-letter {text-decoration: none}
|
||
|
|
blockquote.indentedblock {margin-right: 0em}
|
||
|
|
blockquote.smallindentedblock {margin-right: 0em; font-size: smaller}
|
||
|
|
blockquote.smallquotation {font-size: smaller}
|
||
|
|
div.display {margin-left: 3.2em}
|
||
|
|
div.example {margin-left: 3.2em}
|
||
|
|
div.lisp {margin-left: 3.2em}
|
||
|
|
div.smalldisplay {margin-left: 3.2em}
|
||
|
|
div.smallexample {margin-left: 3.2em}
|
||
|
|
div.smalllisp {margin-left: 3.2em}
|
||
|
|
kbd {font-style: oblique}
|
||
|
|
pre.display {font-family: inherit}
|
||
|
|
pre.format {font-family: inherit}
|
||
|
|
pre.menu-comment {font-family: serif}
|
||
|
|
pre.menu-preformatted {font-family: serif}
|
||
|
|
pre.smalldisplay {font-family: inherit; font-size: smaller}
|
||
|
|
pre.smallexample {font-size: smaller}
|
||
|
|
pre.smallformat {font-family: inherit; font-size: smaller}
|
||
|
|
pre.smalllisp {font-size: smaller}
|
||
|
|
span.nolinebreak {white-space: nowrap}
|
||
|
|
span.roman {font-family: initial; font-weight: normal}
|
||
|
|
span.sansserif {font-family: sans-serif; font-weight: normal}
|
||
|
|
ul.no-bullet {list-style: none}
|
||
|
|
-->
|
||
|
|
</style>
|
||
|
|
|
||
|
|
|
||
|
|
</head>
|
||
|
|
|
||
|
|
<body lang="en">
|
||
|
|
<a name="iswalpha"></a>
|
||
|
|
<div class="header">
|
||
|
|
<p>
|
||
|
|
Next: <a href="iswcntrl.html#iswcntrl" accesskey="n" rel="next">iswcntrl</a>, Previous: <a href="iswalnum.html#iswalnum" accesskey="p" rel="prev">iswalnum</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>
|
||
|
|
</div>
|
||
|
|
<hr>
|
||
|
|
<a name="iswalpha_002c-iswalpha_005fl_002d_002d_002dalphabetic-wide-character-test"></a>
|
||
|
|
<h3 class="section">3.17 <code>iswalpha</code>, <code>iswalpha_l</code>—alphabetic wide character test</h3>
|
||
|
|
<a name="index-iswalpha"></a>
|
||
|
|
<a name="index-iswalpha_005fl"></a>
|
||
|
|
<p><strong>Synopsis</strong>
|
||
|
|
</p><div class="example">
|
||
|
|
<pre class="example">#include <wctype.h>
|
||
|
|
int iswalpha(wint_t <var>c</var>);
|
||
|
|
|
||
|
|
#include <wctype.h>
|
||
|
|
int iswalpha_l(wint_t <var>c</var>, locale_t <var>locale</var>);
|
||
|
|
|
||
|
|
</pre></div>
|
||
|
|
<p><strong>Description</strong><br>
|
||
|
|
<code>iswalpha</code> is a function which classifies wide-character values that
|
||
|
|
are alphabetic.
|
||
|
|
</p>
|
||
|
|
<p><code>iswalpha_l</code> is like <code>iswalpha</code> but performs the check based on the
|
||
|
|
locale specified by the locale object locale. If <var>locale</var> is
|
||
|
|
LC_GLOBAL_LOCALE or not a valid locale object, the behaviour is undefined.
|
||
|
|
</p>
|
||
|
|
<br>
|
||
|
|
<p><strong>Returns</strong><br>
|
||
|
|
<code>iswalpha</code>, <code>iswalpha_l</code> return non-zero if <var>c</var> is an alphabetic
|
||
|
|
wide character.
|
||
|
|
</p>
|
||
|
|
<br>
|
||
|
|
<p><strong>Portability</strong><br>
|
||
|
|
<code>iswalpha</code> is C99.
|
||
|
|
<code>iswalpha_l</code> is POSIX-1.2008.
|
||
|
|
</p>
|
||
|
|
<p>No supporting OS subroutines are required.
|
||
|
|
</p>
|
||
|
|
<br>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
</body>
|
||
|
|
</html>
|