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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><sys/timeb.h></title></head><body bgcolor="white"><script type="text/javascript" language="JavaScript" src="../../jscript/dotcode.js"></script><basefont size="3"> <a name="<sys/timeb.h>"></a> <a name="tag_13_65"></a><!-- <sys/timeb.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_65_01"></a>NAME</h4><blockquote>sys/timeb.h - additional definitions for date and time</blockquote><h4><a name="tag_13_65_02"></a>SYNOPSIS</h4><blockquote class="synopsis"><div class="box"><tt><sup>[<a href="javascript:open_code('XSI')">XSI</a>]</sup> <img src="../../images/opt-start.gif" alt="[Option Start]" border="0"> #include <sys/timeb.h> <img src="../../images/opt-end.gif" alt="[Option End]" border="0"></tt></div></blockquote><h4><a name="tag_13_65_03"></a>DESCRIPTION</h4><blockquote><p>The <i><sys/timeb.h></i> header shall define the <b>timeb</b> structure that includes at least the following members:</p><pre><tt>time_t time </tt> The seconds portion of the current time. <tt>unsigned short millitm </tt> The milliseconds portion of the current time. <tt>short timezone</tt> The local timezone in minutes west of Greenwich. <tt>short dstflag </tt> TRUE if Daylight Savings Time is in effect. <tt></tt></pre><p>The <b>time_t</b> type shall be defined as described in <a href="../sys/types.h.html#tag_13_67"><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 ftime(struct timeb *); (</tt><b>LEGACY</b> <tt>)</tt></pre></blockquote><hr><div class="box"><em>The following sections are informative.</em></div><h4><a name="tag_13_65_04"></a>APPLICATION USAGE</h4><blockquote><p>None.</p></blockquote><h4><a name="tag_13_65_05"></a>RATIONALE</h4><blockquote><p>None.</p></blockquote><h4><a name="tag_13_65_06"></a>FUTURE DIRECTIONS</h4><blockquote><p>None.</p></blockquote><h4><a name="tag_13_65_07"></a>SEE ALSO</h4><blockquote><p><a href="../sys/types.h.html#tag_13_67"><i><sys/types.h></i></a> , <a href="time.h.html"><i><time.h></i></a></p></blockquote><h4><a name="tag_13_65_08"></a>CHANGE HISTORY</h4><blockquote><p>First released in Issue 4, Version 2.</p></blockquote><h4><a name="tag_13_65_09"></a>Issue 6</h4><blockquote><p>The <a href="../../functions/ftime.html"><i>ftime</i>()</a> function is marked LEGACY.</p></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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