81 lines
3.9 KiB
HTML
81 lines
3.9 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta name="Copyright" content="Copyright (c) 2006 by IBM Corporation">
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<title>Date and Time APIs</title>
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<!-- Begin Header Records ========================================== -->
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<link rel="stylesheet" type="text/css" href="../rzahg/ic.css">
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</head>
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<body>
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<script language="Javascript" src="../rzahg/synch.js" type="text/javascript">
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</script>
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<a name="Top_Of_Page"></a>
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<h2>Date and Time APIs</h2>
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<p>The Date and Time APIs provide support for working with date and time values.
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Using these APIs, you can do the following:</p>
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<ul>
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<li>Access the current date and time</li>
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<li>Adjust the current time of your system</li>
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<li>Determine if a time adjustment is currently in progress</li>
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<li>Convert date and time values from one format to another format</li>
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<li>Retrieve information related to time zone descriptions</li>
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</ul>
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<p>The date and time APIs include:</p>
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<!-- ***** NOTE ***** Do not manually update text or links in this section. -->
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<!-- Updates made in this section *will* be overlaid by automated tools -->
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<!--***************API BEGIN PASTE***************-->
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<ul>
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<li><A HREF="qwcadjtm.htm">Adjust Time</A> (QWCADJTM) adjusts the time-of-day clock.</li>
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<li><A HREF="cvttotv.htm">Convert _MI_Time to Timeval Structure</A> (Qp0zCvtToTimeval()) converts a machine timestamp (or timestamp offset), represented by an _MI_Time data type, to a corresponding timeval structure.</li>
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<li><A HREF="qwccvtdt.htm">Convert Date and Time Format</A> (QWCCVTDT) allows you to convert date and time formats from one format to another format.</li>
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<li><A HREF="cvttomit.htm">Convert Timeval Structure to _MI_Time</A> (Qp0zCvtToMITime()) converts a UNIX-type timestamp (or timestamp offset), represented by a timeval structure, to a corresponding _MI_Time data type.</li>
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<li><A HREF="qwcrtvtm.htm">Retrieve System Time Information</A> (QWCRTVTM) retrieves the current Coordinated Universal Time and time adjustment information.</li>
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<li><A HREF="qwcrtvtz.htm">Retrieve Time Zone Description</A> (QWCRTVTZ) retrieves information about one or more time zone descriptions.</li>
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<li><A HREF="qwcsettm.htm">Set System Time</A> (QWCSETTM) sets the Coordinated Universal Time (UTC) for the system.</li>
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</ul>
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<!--***************API END PASTE***************-->
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<p>In addition to the date and time APIs above, the following APIs also work with date and time values:</p>
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<p><a href="ile4a2.htm">ILE CEE Date and Time APIs</a></p>
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<p><a href="hll3.htm">ILE C/C++ Run-Time Library Functions</a></p>
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<p><a href="catmi.htm">Machine Interface Instructions</a></p>
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<p><a href="unix10.htm">UNIX-Type Time APIs</a></p>
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<br>
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<hr>
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<center>
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<table cellpadding="2" cellspacing="2">
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<tr align="center">
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<td valign="middle" align="center"><a href="aplist.htm">APIs by
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category</a></td>
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</tr>
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</table>
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</center>
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</body>
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</html>
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