233 lines
6.4 KiB
HTML
233 lines
6.4 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>Get Universal Time Coordinated (CEEUTC) API</title>
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<!-- Begin Header Records ========================================== -->
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<!-- Change History: -->
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<!-- YYMMDD USERID Change description -->
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<!-- ILE4A SCRIPT A converted by B2H R4.1 (346) (CMS) by NLJONES at -->
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<!-- RCHVMX on 25 Feb 1999 at 10:53:17 -->
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<!--Edited by Kersten Oct 2001 -->
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<!-- End Header Records -->
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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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<!-- Java sync-link -->
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<script type="text/javascript" language="Javascript" src="../rzahg/synch.js">
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</script>
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<a name="Top_Of_Page"></a>
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<h2>Get Universal Time Coordinated (CEEUTC) API</h2>
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<div class="box" style="width: 65%;">
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<br>
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Required Parameter Group:<br>
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<br>
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<table width="100%">
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<tr>
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<td align="center" valign="top" width="10%">1</td>
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<td align="left" valign="top" width="50%">output_UTC_Lilian</td>
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<td align="left" valign="top" width="20%">Output</td>
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<td align="left" valign="top" width="20%">INT4</td>
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</tr>
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<tr>
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<td align="center" valign="top">2</td>
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<td align="left" valign="top">output_UTC_seconds</td>
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<td align="left" valign="top">Output</td>
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<td align="left" valign="top">FLOAT8</td>
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</tr>
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</table>
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<br>
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Omissible Parameter:<br>
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<!-- iddvc RMBR -->
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<br>
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<table width="100%">
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<tr>
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<td align="center" valign="top" width="10%">3</td>
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<td align="left" valign="top" width="50%">fc</td>
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<td align="left" valign="top" width="20%">Output</td>
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<td align="left" valign="top" width="20%">FEEDBACK</td>
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</tr>
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</table>
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<br>
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Service Program Name: QLEAWI<br>
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<!-- iddvc RMBR -->
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<br>
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Default Public Authority: *USE<br>
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<!-- iddvc RMBR -->
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<br>
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Threadsafe: Yes<br>
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<!-- iddvc RMBR -->
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<br>
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</div>
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<p>The Get Universal Time Coordinated (CEEUTC) API returns the current
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Universal Time Coordinated as both a Lilian date and as the number of seconds
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since 00:00:00 14 October 1582. These values are compatible with the other ILE
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date and time APIs.</p>
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<!-- Please NOTE: DO NOT DELETE THIS SECTION if this API has no authorities and locks. -->
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<!-- Instead, use the commented out coding below to indicate NONE. -->
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<h3>Authorities and Locks</h3>
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<!-- Use this if there are no authorities and locks. -->
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<p>None.</p>
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<br>
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<h3>Required Parameter Group</h3>
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<dl>
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<dt><strong>output_UTC_Lilian (output)</strong></dt>
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<dd>A 32-bit binary integer representing the current date in Greenwich,
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England, in the Lilian format. That is, the number of days since 14 October
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1582, also known as Universal Time Coordinated (UTC). For example, 16 May 1988
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is day number 148 138. If UTC is not available from the system, <em>
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output_UTC_Lilian</em> is set to 0 and CEEUTC ends with a nonzero feedback
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code.<br>
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<br>
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</dd>
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<dt><strong>output_UTC_seconds (output)</strong></dt>
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<dd>A 64-bit double floating-point number representing the current date and
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time in Greenwich, England as the number of seconds since 00:00:00 on 14
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October 1582. For example, 00:00:01 on 15 October 1582 is second number
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86 401 (24*60*60 + 01). 19:00:01.078 on 16 May 1988 is second number
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12 799 191 601.078. If UTC is not available from the system,
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<em>output_UTC_seconds</em> is set to 0 and CEEUTC ends with a nonzero feedback
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code.</dd>
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</dl>
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<br>
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<h3>Omissible Parameter</h3>
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<dl>
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<dt><strong>fc (output)</strong></dt>
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<dd>A 12-byte feedback code passed by reference. If specified as an argument,
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feedback information (a condition token) is returned to the calling procedure.
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If not specified and the requested operation was not successfully completed,
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the condition is signaled to the condition manager.</dd>
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</dl>
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<br>
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<h3>Feedback Codes and Conditions</h3>
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<table cellpadding="3">
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<!-- cols="15 85" -->
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<tr>
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<td align="left" valign="top">CEE0000</td>
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<td align="left" valign="top">The API completed successfully</td>
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</tr>
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<tr>
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<td align="left" valign="top">Severity: 00</td>
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<td align="left" valign="top"> </td>
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</tr>
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<tr>
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<td align="left" valign="top">CEE2502</td>
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<td align="left" valign="top">Local time not available</td>
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</tr>
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<tr>
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<td align="left" valign="top">Severity: 30</td>
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<td align="left" valign="top"> </td>
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</tr>
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<tr>
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<td align="left" valign="top">CEE2531</td>
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<td align="left" valign="top">UTC not available</td>
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</tr>
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<tr>
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<td align="left" valign="top">Severity: 30</td>
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<td align="left" valign="top"> </td>
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</tr>
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<tr>
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<td align="left" valign="top">CEE9902</td>
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<td align="left" valign="top">Unexpected user error occurred in &1</td>
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</tr>
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<tr>
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<td align="left" valign="top">Severity: 30</td>
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<td align="left" valign="top"> </td>
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</tr>
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</table>
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<br>
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<h3>Usage Notes</h3>
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<ul>
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<li>
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<p>Use CEELOCT to obtain local time.</p>
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</li>
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<li>
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<p>Use CEEUTCO to obtain the offset from UTC to local time.</p>
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</li>
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<li>
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<p>The values returned by CEEUTC are handy for <strong>wall-clock</strong>
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calculations.</p>
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</li>
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<li>
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<p>CEEDATE will convert <em>output_UTC_Lilian</em> to character date, and
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CEEDATM will convert <em>output_UTC_seconds</em> to character timestamp.</p>
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</li>
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</ul>
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<br>
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<h3>Example</h3>
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<p>See <a href="../apiref/aboutapis.htm#codedisclaimer">Code disclaimer information</a>
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for information pertaining to code examples.</p>
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<ul>
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<li>
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<p>Extract current UTC and convert to local date and time in <samp>
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YYMMDDHHMMSS</samp> format:</p>
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<pre>
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CALL CEEUTC (days, secs, fc);
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CALL CEEUTCO (hrs, mins, secoffset, fc);
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secs = secs + secoffset;
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CALL CEEDATM (secs, 'YYMMDDHHMISS', localdatetime,
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fc);
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</pre>
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</li>
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</ul>
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<br>
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<hr>
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API introduced: V2R3
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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="#Top_Of_Page">Top</a> | <a href=
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"ile1a1.htm">ILE CEE 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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