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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta name="generator" content="HTML Tidy, see www.w3.org"><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><link type="text/css" rel="stylesheet" href="style.css"><!-- Generated by The Open Group's rhtm tool v1.2.1 --><!-- Copyright (c) 2001-2003 The Open Group, All Rights Reserved --><title><utime.h></title></head><body bgcolor="white"><basefont size="3"> <a name="<utime.h>"></a> <a name="tag_13_81"></a><!-- <utime.h> --> <!--header start--><center><font size="2">The Open Group Base Specifications Issue 6<br>IEEE Std 1003.1, 2003 Edition<br>Copyright © 2001-2003 The IEEE and The Open Group, All Rights reserved.</font></center><!--header end--><hr size="2" noshade><h4><a name="tag_13_81_01"></a>NAME</h4><blockquote>utime.h - access and modification times structure</blockquote><h4><a name="tag_13_81_02"></a>SYNOPSIS</h4><blockquote class="synopsis"><p><tt>#include <utime.h></tt></p></blockquote><h4><a name="tag_13_81_03"></a>DESCRIPTION</h4><blockquote><p>The <i><utime.h></i> header shall declare the structure <b>utimbuf</b>, which shall include the following members:</p><pre><tt>time_t actime </tt> Access time. <tt>time_t modtime </tt> Modification time. <tt></tt></pre><p>The times shall be measured in seconds since the Epoch.</p><p>The type <b>time_t</b> shall be defined as described in <a href="sys/types.h.html"><i><sys/types.h></i></a> .</p><p>The following shall be declared as a function and may also be defined as a macro. A function prototype shall be provided.</p><pre><tt>int utime(const char *, const struct utimbuf *);</tt></pre></blockquote><hr><div class="box"><em>The following sections are informative.</em></div><h4><a name="tag_13_81_04"></a>APPLICATION USAGE</h4><blockquote><p>None.</p></blockquote><h4><a name="tag_13_81_05"></a>RATIONALE</h4><blockquote><p>None.</p></blockquote><h4><a name="tag_13_81_06"></a>FUTURE DIRECTIONS</h4><blockquote><p>None.</p></blockquote><h4><a name="tag_13_81_07"></a>SEE ALSO</h4><blockquote><p><a href="sys/types.h.html"><i><sys/types.h></i></a> , the System Interfaces volume of IEEE Std 1003.1-2001, <ahref="../functions/utime.html"><i>utime</i>()</a></p></blockquote><h4><a name="tag_13_81_08"></a>CHANGE HISTORY</h4><blockquote><p>First released in Issue 3.</p></blockquote><h4><a name="tag_13_81_09"></a>Issue 6</h4><blockquote><p>The following new requirements on POSIX implementations derive from alignment with the Single UNIX Specification:</p><ul><li><p>The <b>time_t</b> type is defined.</p></li></ul></blockquote><div class="box"><em>End of informative text.</em></div><hr><hr size="2" noshade><center><font size="2"><!--footer start-->UNIX ® is a registered Trademark of The Open Group.<br>POSIX ® is a registered Trademark of The IEEE.<br>[ <a href="../mindex.html">Main Index</a> | <a href="../basedefs/contents.html">XBD</a> | <a href="../utilities/contents.html">XCU</a> | <a href="../functions/contents.html">XSH</a> | <a href="../xrat/contents.html">XRAT</a>]</font></center><!--footer end--><hr size="2" noshade></body></html>⌨️ 快捷键说明
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