334 lines
8.7 KiB
HTML
334 lines
8.7 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>Check EDRS Block Status (QxdaCheckEDRSBlock) 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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<!-- File SCRIPT A converted by B2H R4.1 (346) (CMS) by V2KEA304 -->
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<!-- at RCHVMW2 on 17 Feb 1999 at 11:05:09 -->
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<!-- Change History: -->
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<!-- YYMMDD USERID Change description -->
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<!-- This file has undergone html cleanup on 9/19/01 by JET -->
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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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<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">
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</script>
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<h2>Check EDRS Block Status (QxdaCheckEDRSBlock) API</h2>
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<div class="box" style="width: 80%;">
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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%">Receiver variable</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%">Char(*)</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">Length of receiver variable</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">3</td>
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<td align="left" valign="top">Receiver variable format</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Char(8)</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">EDRS server system name</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Char(256)</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">Error code</td>
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<td align="left" valign="top">I/O</td>
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<td align="left" valign="top">Char(*)</td>
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</tr>
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</table>
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<br>
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Service Program: QXDADBBK<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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<br>
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Threadsafe: Conditional; see <a href="#usage_notes">Usage
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Notes</a><br>
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<!-- iddvc RMBR -->
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<br>
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</div>
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<br>
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<p>The Check EDRS Block Status (QxdaCheckEDRSBlock) API returns information
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about the availability status of a server system.</p>
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<br>
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<h3>Authorities and Locks</h3>
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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>Receiver variable</strong></dt>
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<dd>I/O; CHAR(*)
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<p>The structure in which to return information about the availability status
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of the system specified. For the format of this parameter, see <a href=
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"#HDRBLKO100">BLKO0100 Format</a>.</p>
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</dd>
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<dt><strong>Length of receiver variable</strong></dt>
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<dd>INPUT; BINARY(4)
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<p>The number of bytes that the calling program provides for the receiver
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variable.</p>
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</dd>
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<dt><strong>Receiver variable format</strong></dt>
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<dd>INPUT; CHAR(8)
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<p>The format of the receiver variable being used. The possible value is:</p>
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<table cellpadding="5">
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<!-- cols="15 85" -->
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<tr>
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<td align="left" valign="top"><em>BLKO0100</em></td>
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<td align="left" valign="top">Basic structure</td>
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</tr>
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</table>
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<br>
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</dd>
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<dt><strong>EDRS server system name</strong></dt>
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<dd>INPUT; CHAR(256)
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<p>The name of the database server system to check.</p>
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</dd>
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<dt><strong>Error code</strong></dt>
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<dd>I/O; CHAR(*)
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<p>The structure in which to return error information. For the format of the
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structure, see <a href="../apiref/error.htm#hdrerrcod">Error Code Parameter</a>.</p>
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</dd>
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</dl>
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<br>
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<h3><a name="HDRBLKO100">BLKO0100 Format</a></h3>
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<p>The following table shows the information to pass in the BLKO0100 format.
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For more details about the fields in this table, see <a href="#HDRFIELD2">Field
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Descriptions</a>.</p>
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<table border width="80%">
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<tr>
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<th align="center" valign="bottom" colspan="2">Offset</th>
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<th align="left" valign="bottom" rowspan="2">Type</th>
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<th align="left" valign="bottom" rowspan="2">Field</th>
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</tr>
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<tr>
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<th align="center" valign="bottom">Dec</th>
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<th align="center" valign="bottom">Hex</th>
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</tr>
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<tr>
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<td align="center" valign="top" width="10%">0</td>
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<td align="center" valign="top" width="10%">0</td>
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<td align="left" valign="top" width="20%">BINARY(4)</td>
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<td align="left" valign="top" width="60%">Bytes returned</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="center" valign="top">4</td>
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<td align="left" valign="top">BINARY(4)</td>
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<td align="left" valign="top">Bytes available</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="center" valign="top">8</td>
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<td align="left" valign="top">BINARY(4)</td>
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<td align="left" valign="top">EDRS server status</td>
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</tr>
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<tr>
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<td align="center" valign="top">12</td>
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<td align="center" valign="top">12</td>
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<td align="left" valign="top">CHAR(256)</td>
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<td align="left" valign="top">Backup server system name</td>
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</tr>
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<tr>
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<td align="center" valign="top">268</td>
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<td align="center" valign="top">10C</td>
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<td align="left" valign="top">BINARY(4)</td>
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<td align="left" valign="top">Offset to job-suspension user data</td>
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</tr>
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<tr>
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<td align="center" valign="top">272</td>
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<td align="center" valign="top">110</td>
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<td align="left" valign="top">BINARY(4)</td>
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<td align="left" valign="top">Length of job-suspension user data</td>
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</tr>
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<tr>
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<td align="center" valign="top"> </td>
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<td align="center" valign="top"> </td>
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<td align="left" valign="top">CHAR(*)</td>
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<td align="left" valign="top">Job-suspension user data</td>
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</tr>
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</table>
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<br>
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<br>
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<h3><a name="HDRFIELD2">Field Descriptions</a></h3>
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<p><strong>Backup server system name.</strong> The name of the system that is
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acting as the backup server system. This value will be set to blanks if the
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EDRS system is not blocked or switched.</p>
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<p><strong>Bytes available.</strong> The length of the information available to
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the API to return, in bytes.</p>
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<p><strong>Bytes returned.</strong> The actual number of bytes returned to the
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caller of the API.</p>
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<p><strong>EDRS server status.</strong> The status of the server system. The
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possible values are:</p>
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<table cellpadding="5">
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<!-- cols="15 85" -->
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<tr>
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<td align="left" valign="top"><em>0</em></td>
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<td align="left" valign="top">QXDA_UNBLOCKED: The EDRS system is not
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blocked.</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>1</em></td>
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<td align="left" valign="top">QXDA_BLOCKED: The EDRS server system is blocked.</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>2</em></td>
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<td align="left" valign="top">QXDA_SWITCHED: The backup system is acting as the EDRS
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server.</td>
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</tr>
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</table>
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<p><strong>Job-suspension user data.</strong> The data associated with the
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block.</p>
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<p><strong>Length of job-suspension user data.</strong> The length of
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job-suspension user data returned.</p>
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<p><strong>Offset to job-suspension user data.</strong> The offset from the
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beginning of the receiver variable to the the job-suspension user data, in
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bytes.</p>
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<br>
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<h3>Usage Notes</h3>
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<p>This function may be called from the initial thread of a job only.</p>
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<br>
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<h3>Error Messages</h3>
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<table width="100%" cellpadding="5">
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<!-- cols="15 85" -->
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<tr>
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<th align="left" valign="top" nowrap>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">CPF0001 E</td>
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<td align="left" valign="top">Error found on &1 command.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3C1E E</td>
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<td align="left" valign="top">Required parameter &1 omitted.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3C90 E</td>
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<td align="left" valign="top">Literal value cannot be changed.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF9872 E</td>
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<td align="left" valign="top">Program or service program &1 in library &2 ended.
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Reason code &3.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPFB751 E</td>
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<td align="left" valign="top">Parameter &1 passed not correct.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPFB752 E</td>
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<td align="left" valign="top">Internal error in &1 API.</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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API introduced: V4R4
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<hr>
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<table align="center" 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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"file1.htm">Database and File APIs</a> | <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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</body>
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</html>
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