394 lines
10 KiB
HTML
394 lines
10 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>Change User Space (QUSCHGUS) 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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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<!-- QUSCHGUS SCRIPT A converted by B2H R4.1 (346) (CMS) by PMHALL at -->
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<!-- RCHVMW2 on 7 Oct 1998 at 17:10:40 -->
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<!-- Change History: -->
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<!-- YYMMDD USERID Change description -->
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<!-- Edited by Kersten Jan 02 -->
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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>Change User Space (QUSCHGUS) 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%">Qualified user space name</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(20)</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">Starting position</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">Length of data</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">4</td>
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<td align="left" valign="top">Input data</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">Force changes to auxiliary storage</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Char(1)</td>
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</tr>
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</table>
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<br>
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Optional 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%">6</td>
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<td align="left" valign="top" width="50%">Error code</td>
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<td align="left" valign="top" width="20%">I/O</td>
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<td align="left" valign="top" width="20%">Char(*)</td>
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</tr>
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</table>
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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 Change User Space (QUSCHGUS) API changes the contents of the user space
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(*USRSPC) object by moving a specified amount of data to the object. This API
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allows you to change the contents of a user space if you are using either:</p>
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<ul>
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<li>A language that does not support pointers</li>
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<li>System-domain user spaces</li>
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</ul>
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<p><strong>Note:</strong> To determine the starting position for the QUSCHGUS
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API, you must add 1 to the offset value. In contrast to the i5/OS list APIs,
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which use an offset value based on 0 for the starting position, the QUSCHGUS
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API uses a value based on 1. For the QUSCHGUS API, the first character in the
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user space is at position 1.</p>
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<br>
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<h3>Authorities and Locks</h3>
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<dl>
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<dt><em>Library Authority</em></dt>
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<dd>*EXECUTE</dd>
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<dt><em>User Space Authority</em></dt>
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<dd>*CHANGE</dd>
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<dt><em>User Space Lock</em></dt>
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<dd>*EXCLRD</dd>
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</dl>
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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>Qualified user space name</strong></dt>
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<dd>INPUT; CHAR(20)
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<p>The first 10 characters contain the user space name, and the second 10
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characters contain the name of the library where the user space is located. The
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special values supported for the library name are *LIBL and *CURLIB.</p>
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</dd>
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<dt><strong>Starting position</strong></dt>
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<dd>INPUT; BINARY(4)
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<p>The first byte of the user space that is to be changed. It must have a value
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greater than 0.</p>
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</dd>
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<dt><strong>Length of data</strong></dt>
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<dd>INPUT; BINARY(4)
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<p>The length of the new data in the input data parameter. The length must be
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greater than 0.</p>
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</dd>
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<dt><strong>Input data</strong></dt>
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<dd>INPUT; CHAR(*)
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<p>The new data to be placed into the user space. The field must be at least as
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long as the length of data parameter.</p>
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</dd>
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<dt><strong>Force changes to auxiliary storage</strong></dt>
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<dd>INPUT; CHAR(1)
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<p>The method of forcing changes made to the user space to auxiliary
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storage.</p>
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<p>The valid values are as follows:</p>
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<table cellpadding="5">
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<!-- cols="5 95" -->
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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">Does not force changes. Normal system management
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writes the changes to auxiliary storage.</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">Forces changes asynchronously. This interrupts
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the normal system management and ensures that the user space is written to
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auxiliary storage.</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">Forces changes synchronously. This interrupts the
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normal system management and ensures that the user space is written immediately
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to auxiliary storage.</td>
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</tr>
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</table>
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</dd>
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</dl>
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<br>
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<h3>Optional Parameter</h3>
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<dl>
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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>. If this
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parameter is omitted, diagnostic and escape messages are issued to the
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application.</p>
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</dd>
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</dl>
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<br>
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<h3>Error Messages</h3>
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<table cellpadding="5">
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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 width="15%" valign="top">CPF24B4 E</td>
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<td width="85%" valign="top">Severe error while addressing parameter list.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3CF1 E</td>
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<td align="left" valign="top">Error code parameter not valid.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3C0F E</td>
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<td align="left" valign="top">Value &1 for starting position parameter is
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not valid.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3C04 E</td>
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<td align="left" valign="top">User space &1 not changed.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPD3C0F D</td>
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<td align="left" valign="top">Value &1 for starting position parameter is
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not valid.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPD3C12 D</td>
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<td align="left" valign="top">Length of data is not valid.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPD3C13 D</td>
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<td align="left" valign="top">Value &1 for force option is not valid.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPD3C14 D</td>
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<td align="left" valign="top">Starting position &1 and length &2 cause
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space overflow.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPD3C15 D</td>
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<td align="left" valign="top">New value &1 is shorter than the length
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specified.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPD3C17 D</td>
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<td align="left" valign="top">Error occurred with input data parameter.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3C12 E</td>
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<td align="left" valign="top">Length of data is not valid.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3C13 E</td>
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<td align="left" valign="top">Value &1 for force option is not valid.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3C14 E</td>
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<td align="left" valign="top">Starting position &1 and length &2 cause
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space overflow.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3C15 E</td>
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<td align="left" valign="top">New value &1 is shorter than the length
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specified.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3C17 E</td>
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<td align="left" valign="top">Error occurred with input data parameter.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3C36 E</td>
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<td align="left" valign="top">Number of parameters, &1, entered for this
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API was not valid.</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">CPF8100 E</td>
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<td align="left" valign="top">All CPF81xx messages could be returned. xx is
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from 01 to FF.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF9801 E</td>
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<td align="left" valign="top">Object &2 in library &3 not found.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF9802 E</td>
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<td align="left" valign="top">Not authorized to object &2 in &3.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF9803 E</td>
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<td align="left" valign="top">Cannot allocate object &2 in library
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&3.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF9807 E</td>
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<td align="left" valign="top">One or more libraries in library list
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deleted.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF9808 E</td>
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<td align="left" valign="top">Cannot allocate one or more libraries on library
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list.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF9810 E</td>
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<td align="left" valign="top">Library &1 not found.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF9820 E</td>
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<td align="left" valign="top">Not authorized to use library &1.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF9830 E</td>
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<td align="left" valign="top">Cannot assign library &1.</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
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&2 ended. Reason code &3.</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: V1R3
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<hr>
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<table cellpadding="2" cellspacing="2" align="center">
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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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"obj1.htm">Object API categories</a> | <a href="aplist.htm">API 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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