64 lines
3.2 KiB
HTML
64 lines
3.2 KiB
HTML
<!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>System Clock APIs</title>
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<h2>System Clock APIs</h2>
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<p>The System Clock APIs are:</p>
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<!--***************API BEGIN PASTE***************-->
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<ul>
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<li><A HREF="adjtime.htm">adjtime()</A> (Adjust system clock) makes small adjustments to the software clock, either slowing it down or speeding it up by the time specified in the delta parameter.</li>
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<li><A HREF="ftime.htm">ftime()</A> (Get Date and Time) retrieves the current Coordinated Universal Time (UTC).</li>
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<li><A HREF="gettod.htm">gettimeofday()</A> (Get Current UTC Time) retrieves the current Coordinated Universal Time (UTC) and places it in the timeval structure pointed to by tp.</li>
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<li><A HREF="settod.htm">settimeofday()</A> (Set System Clock) sets the system clock to the Coordinated Universal Time (UTC) contained in the timeval structure pointed to by tp.</li>
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</ul>
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<!--***************API END PASTE***************-->
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<p><strong>Note:</strong> These functions use header (include) files from the
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library QSYSINC, which is optionally installable. Make sure QSYSINC is
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installed on your system before using any of the functions. See
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<a href="unix13.htm">Header Files for UNIX-Type Functions</a>for the file
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and member name of each header file.</p>
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<hr>
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<tr align="center">
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<td valign="middle" align="center"><a href="#Top_Of_Page">Top</a> | <a href=
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"unix.htm">UNIX-Type APIs</a> | <a href="aplist.htm">APIs by 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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