📄 gettimeofday.html

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><html><head><!-- Copyright 1997 The Open Group, All Rights Reserved --><title>gettimeofday</title></head><body bgcolor=white><center><font size=2>The Single UNIX &reg; Specification, Version 2<br>Copyright &copy; 1997 The Open Group</font></center><hr size=2 noshade><h4><a name = "tag_000_005_758">&nbsp;</a>NAME</h4><blockquote>gettimeofday - get the date and time</blockquote><h4><a name = "tag_000_005_759">&nbsp;</a>SYNOPSIS</h4><blockquote><pre><code>#include &lt;<a href="systime.h.html">sys/time.h</a>&gt;int gettimeofday(struct timeval *<i>tp</i>, void *<i>tzp</i>);</code></pre></blockquote><h4><a name = "tag_000_005_760">&nbsp;</a>DESCRIPTION</h4><blockquote>The<i>gettimeofday()</i>function obtains the current time, expressed as seconds and microsecondssince 00:00 Coordinated Universal Time (UTC), January 1, 1970, and storesit in the<b>timeval</b>structure pointed to by<i>tp.</i>The resolution of the system clock is unspecified.<p>If <i>tzp</i> is not a null pointer, the behaviour is unspecified.</blockquote><h4><a name = "tag_000_005_761">&nbsp;</a>RETURN VALUE</h4><blockquote>The<i>gettimeofday()</i>function returns 0 and no value is reserved to indicate an error.</blockquote><h4><a name = "tag_000_005_762">&nbsp;</a>ERRORS</h4><blockquote>No errors are defined.</blockquote><h4><a name = "tag_000_005_763">&nbsp;</a>EXAMPLES</h4><blockquote>None.</blockquote><h4><a name = "tag_000_005_764">&nbsp;</a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_005_765">&nbsp;</a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_005_766">&nbsp;</a>SEE ALSO</h4><blockquote><i><a href="ctime.html">ctime()</a></i>,<i><a href="ftime.html">ftime()</a></i>,<i><a href="systime.h.html">&lt;sys/time.h&gt;</a></i>.</blockquote><hr size=2 noshade><center><font size=2>UNIX &reg; is a registered Trademark of The Open Group.<br>Copyright &copy; 1997 The Open Group<br> [ <a href="../index.html">Main Index</a> | <a href="../xshix.html">XSH</a> | <a href="../xcuix.html">XCU</a> | <a href="../xbdix.html">XBD</a> | <a href="../cursesix.html">XCURSES</a> | <a href="../xnsix.html">XNS</a> ]</font></center><hr size=2 noshade></body></html>

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