235 lines
7.2 KiB
HTML
235 lines
7.2 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>Exit Program for Control File System (QHFCTLFS) API</title>
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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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<!--File Edited November 2001 -->
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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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<a name="Top_of_Page"></a>
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<!--Java sync-link-->
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<script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h2>Exit Program for Control File System (QHFCTLFS) API</h2>
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<div class="box" style="width: 70%;">
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<br>
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Required Parameter Group:<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%">1</td>
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<td align="left" valign="top" width="50%">Operation (CTLFS)</td>
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<td align="left" valign="top" width="20%">Input</td>
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<td align="left" valign="top" width="20%">Char(5)</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">File system job handle</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Char(16)</td>
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</tr>
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<tr>
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<td align="center" valign="top">3</td>
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<td align="left" valign="top">File handle</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Char(16)</td>
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</tr>
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<tr>
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<td align="center" valign="top">4</td>
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<td align="left" valign="top">Input data buffer</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Char(*)</td>
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</tr>
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<tr>
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<td align="center" valign="top">5</td>
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<td align="left" valign="top">Input data buffer length</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Binary(4)</td>
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</tr>
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<tr>
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<td align="center" valign="top">6</td>
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<td align="left" valign="top">Output data buffer</td>
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<td align="left" valign="top">Output</td>
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<td align="left" valign="top">Char(4)</td>
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</tr>
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<tr>
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<td align="center" valign="top">7</td>
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<td align="left" valign="top">Output data buffer length</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Binary(4)</td>
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</tr>
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<tr>
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<td align="center" valign="top">8</td>
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<td align="left" valign="top">Length of data returned</td>
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<td align="left" valign="top">Output</td>
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<td align="left" valign="top">Binary(4)</td>
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</tr>
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</table>
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<br>
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</div>
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<p>Before applications can use the Control File System (QHFCTLFS) API with your file system, you must:</p>
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<ol>
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<li>Write an exit program that performs the control file system operation on behalf of the API. For a detailed description of the API and its calling parameters, see <a href="qhfctlfs.htm">Control File System (QHFCTLFS) API</a>.<br><br></li>
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<li>Give the exit program's name when you register the file system with the Register File System (QHFRGFS) API.</li>
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</ol>
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<p>After that, when an application calls the QHFCTLFS API, the API calls your exit program and passes it the parameters specified by the application. Your exit program performs the work and returns any data to the API. The API passes the data back to the calling application.</p>
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<br>
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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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<p>The following shows the input parameters that the API passes to your exit program and the output parameters that the exit program must pass back to the API:</p>
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<dl>
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<dt><strong>Operation (CTLFS)</strong></dt>
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<dd>INPUT: CHAR(10)
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<p>The abbreviation for the operation being performed (CTLFS).</p></dd>
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<dt><strong>File system job handle</strong></dt>
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<dd>INPUT; CHAR(16)
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<p>The work area or job identifier for use by the file system.</p></dd>
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</dl>
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<p>The following parameters are the same as the parameters for the API:</p>
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<dl>
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<dt><strong>File handle</strong></dt>
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<dd>INPUT; CHAR(16)<br><br></dd>
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<dt><strong>Input data buffer</strong></dt>
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<dd>INPUT; CHAR(*)<br><br></dd>
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<dt><strong>Input data buffer length</strong></dt>
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<dd>INPUT; BINARY(4)<br><br></dd>
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<dt><strong>Output data buffer</strong></dt>
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<dd>OUTPUT; CHAR(*)<br><br></dd>
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<dt><strong>Output data buffer length</strong></dt>
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<dd>INPUT; BINARY(4)<br><br></dd>
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<dt><strong>Length of data returned</strong></dt>
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<dd>OUTPUT; BINARY(4)</dd>
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</dl>
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<br>
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<h3>API Functions</h3>
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<p>The QHFCTLFS API performs the standard functions described in <a href="hfs3d.htm#HDRSTDAPI">Standard HFS API Functions</a>.</p>
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<br>
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<h3>Exit Program Requirements</h3>
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<p>You must create an exit program that performs the standard functions described in <a href="hfs3d.htm#HDRSTDFS">Standard HFS Exit Program Requirements</a>.</p>
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<br>
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<h3>Error Messages for Exit Program Use</h3>
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<p>This section lists the messages that the exit program can return to the API.</p>
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<table cellpadding="3">
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<!-- cols="15 85" -->
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<tr>
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<th align="left" valign="top">Message ID</th>
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<th align="left" valign="top">Error Message Text</th>
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</tr>
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<tr>
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<td align="left" valign="top"><strong>CPF1F41</strong> <strong>E</strong> </td>
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<td valign="top">Severe error occurred while addressing parameter list.</td>
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</tr>
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<tr>
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<td align="left" valign="top"><strong>CPF1F47</strong> <strong>E</strong> </td>
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<td valign="top">Buffer overflow occurred. </td>
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</tr>
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<tr>
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<td align="left" valign="top"><strong>CPF1F53</strong> <strong>E</strong> </td>
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<td valign="top">Value for length of data buffer not valid. </td>
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</tr>
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<tr>
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<td align="left" valign="top"><strong>CPF1F62</strong> <strong>E</strong> </td>
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<td valign="top">Requested function failed. </td>
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</tr>
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<tr>
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<td align="left" valign="top"><strong>CPF1F66</strong> <strong>E</strong> </td>
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<td valign="top"> Storage needed exceeds maximum limit for user profile &1.</td>
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</tr>
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<tr>
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<td align="left" valign="top"><strong>CPF1F71</strong> <strong>E</strong> </td>
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<td valign="top">Exception specific to file system occurred. </td>
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</tr>
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<tr>
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<td align="left" valign="top"><strong>CPF1F73</strong> <strong>E</strong> </td>
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<td valign="top">Not authorized to use command. </td>
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</tr>
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<tr>
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<td align="left" valign="top"><strong>CPF1F74</strong> <strong>E</strong> </td>
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<td valign="top"> Not authorized to object. </td>
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</tr>
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<tr>
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<td align="left" valign="top"><strong>CPF1F75</strong> <strong>E</strong> </td>
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<td valign="top">Error occurred during start-job-session function. </td>
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</tr>
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<tr>
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<td align="left" valign="top"><strong>CPF1F77</strong> <strong>E</strong> </td>
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<td valign="top">Severe parameter error occurred on call to file system.
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</td>
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</tr>
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</table>
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<br>
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<hr>
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Exit Program Introduced: V2R1
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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
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href="hfs1.htm">Hierarchical File System APIs</a> |
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<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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