265 lines
7.5 KiB
HTML
265 lines
7.5 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>Write to Stream File (QHFWRTSF) 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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<!-- Change History: -->
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<!-- YYMMDD USERID Change description -->
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<!--File Edited November 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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<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>Write to Stream File (QHFWRTSF) API</h2>
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<div class="box" style="width: 60%;">
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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%">Open file handle</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(16)</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">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">3</td>
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<td align="left" valign="top">Bytes to write</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">Bytes actually written</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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<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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Default Public Authority: *USE<br>
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<!-- iddvc RMBR -->
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<br>
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Threadsafe: No<br>
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<br>
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</div>
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<p>The Write to Stream File (QHFWRTSF) API writes bytes to a stream file. The file must have been opened with an access mode of write only or read/write. If there is a deny write or deny read/write lock on a byte range being written to, the function fails.</p>
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<p>The write operation starts at the current position of the file pointer, the location in the file where the next read or write operation occurs. When a file is opened with the Open Stream File (QHFOPNSF) API the file pointer is set to the first byte of the file. You can move the pointer explicitly with the QHFCHGFP API; see <a href="qhfchgfp.htm">Change File Pointer (QHFCHGFP) API</a> for details. After the write operation, the file pointer value is increased by the number of bytes written.</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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<dl>
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<dt><strong>Open file handle</strong></dt>
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<dd>INPUT; CHAR(16)
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<p>The file handle returned when the file is opened with the QHFOPNSF API.</p>
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</dd>
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<dt><strong>Data buffer</strong></dt>
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<dd>INPUT; CHAR(*)
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<p>The buffer containing the data being written.</p>
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</dd>
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<dt><strong>Bytes to write</strong></dt>
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<dd>INPUT; BINARY(4)
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<p>The number of bytes being written to the file, starting at the current file pointer position. The number must be less than or equal to the length of the data buffer.</p>
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<p>The application can write beyond the end of the file. This increases the file's size.</p>
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</dd>
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<dt><strong>Bytes actually written</strong></dt>
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<dd>OUTPUT; BINARY(4)
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<p>The number of bytes actually written to the file. If an error occurs during the write operation, the value of this parameter can be less than the value of the bytes-to-write input parameter.</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 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>Error Messages</h3>
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<table width="100%" 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">CPF1F2B E</td>
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<td valign="top">Write operation not allowed to file opened for read only.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF1F2E E</td>
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<td valign="top">Range of bytes in file in use.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF1F25 E</td>
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<td valign="top">File handle not valid.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF1F28 E</td>
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<td valign="top">Damaged file.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF1F34 E</td>
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<td valign="top">Attempted write operation beyond file size limit.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF1F36 E</td>
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<td valign="top">Write file operation failed.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF1F4B E</td>
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<td valign="top">Value for number of bytes not valid.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF1F41 E</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">CPF1F52 E</td>
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<td valign="top">Error code not valid.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF1F61 E</td>
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<td valign="top">No free space available on media.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF1F62 E</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">CPF1F63 E</td>
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<td valign="top">Media is write protected.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF1F66 E</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">CPF1F71 E</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">CPF1F72 E</td>
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<td valign="top">Internal file system error occurred.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF1F73 E</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">CPF1F74 E</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">CPF1F82 E</td>
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<td valign="top">Function not supported.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF1F87 E</td>
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<td valign="top">Missing or damaged exit program &2.</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 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 valign="top">Program or service program &1 in library &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: 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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