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93 lines
3.5 KiB
HTML
93 lines
3.5 KiB
HTML
4 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>ctime (The Red Hat newlib C Library)</title>
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<meta name="description" content="ctime (The Red Hat newlib C Library)">
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<meta name="keywords" content="ctime (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="Timefns.html#Timefns" rel="up" title="Timefns">
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<link href="difftime.html#difftime" rel="next" title="difftime">
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<link href="clock.html#clock" rel="prev" title="clock">
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</head>
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<body lang="en">
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<a name="ctime"></a>
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<div class="header">
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<p>
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Next: <a href="difftime.html#difftime" accesskey="n" rel="next">difftime</a>, Previous: <a href="clock.html#clock" accesskey="p" rel="prev">clock</a>, Up: <a href="Timefns.html#Timefns" accesskey="u" rel="up">Timefns</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="ctime_002d_002d_002dconvert-time-to-local-and-format-as-string"></a>
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<h3 class="section">8.3 <code>ctime</code>—convert time to local and format as string</h3>
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<a name="index-ctime"></a>
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<a name="index-ctime_005fr"></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 <time.h>
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char *ctime(const time_t *<var>clock</var>);
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char *ctime_r(const time_t *<var>clock</var>, char *<var>buf</var>);
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</pre></div>
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<p><strong>Description</strong><br>
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Convert the time value at <var>clock</var> to local time (like <code>localtime</code>)
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and format it into a string of the form
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</p><div class="smallexample">
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<pre class="smallexample"> Wed Jun 15 11:38:07 1988\n\0
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</pre></div>
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<p>(like <code>asctime</code>).
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</p>
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<br>
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<p><strong>Returns</strong><br>
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A pointer to the string containing a formatted timestamp.
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</p>
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<br>
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<p><strong>Portability</strong><br>
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ANSI C requires <code>ctime</code>.
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</p>
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<p><code>ctime</code> requires no supporting OS subroutines.
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</p>
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<br>
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</body>
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</html>
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