154 lines
4.0 KiB
HTML
154 lines
4.0 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>Qp2dlsym()--Find an Exported i5/OS PASE Symbol</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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<!-- Edited by Kersten Jan 02 -->
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<!-- Created by V2DCIJB on 23 Nov 1999 -->
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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 type="text/javascript" language="Javascript" src="../rzahg/synch.js">
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</script>
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<h2>Qp2dlsym()--Find an Exported i5/OS PASE Symbol</h2>
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<div class="box" style="width: 60%;">
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<br>
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Syntax
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<pre>
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#include <qp2user.h>
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void* Qp2dlsym(QP2_ptr64_t id
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const char *name,
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int ccsid,
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QP2_ptr64_t *sym_pase);
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</pre>
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<br>
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Service Program Name: QP2USER<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>Qp2dlsym() finds an exported i5/OS PASE symbol by calling the i5/OS PASE
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dlsym() function.</p>
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<br>
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<h3>Parameters</h3>
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<dl>
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<dt><strong>id</strong></dt>
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<dd>(Input) Specifies a value returned by API Qp2dlopen (or the i5/OS PASE
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dlopen function) that controls what modules are searched for the exported
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symbol.<br>
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<br>
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</dd>
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<dt><strong>name</strong></dt>
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<dd>(Input) A pointer to a null-terminated string that contains the symbol
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name. This API copies the input name string and converts the copy from the
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CCSID specified by the <strong>ccsid</strong> argument to the current i5/OS
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PASE CCSID (required by the i5/OS PASE dlsym function).<br>
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<br>
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</dd>
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<dt><strong>ccsid</strong></dt>
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<dd>(Input) Specifies the CCSID for the input <em>name</em> argument string.
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Zero means the symbol name is in the (EBCDIC) job default CCSID.<br>
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<br>
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</dd>
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<dt><strong>sym_pase</strong></dt>
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<dd>(Input) A pointer to a buffer, used to return the i5/OS PASE address of
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the exported symbol. The return value is always 64-bits, even for a 32-bit
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i5/OS PASE program. sym_pase can be null if the caller does not need the
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i5/OS PASE address of the symbol.</dd>
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</dl>
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<br>
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<h3>Authorities</h3>
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<p>None.</p>
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<br>
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<h3>Return Value</h3>
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<p>The function result is a pointer to the specified symbol, or a null pointer
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if the symbol could not be resolved. A buffer addressed by the sym_pase
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argument is unchanged if the symbol could not be resolved. The caller can check
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ILE <strong>errno</strong> or i5/OS PASE <strong>errno</strong> (if ILE
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<strong>errno</strong> is zero), or call the Qp2dlerror API for more
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information about any error.</p>
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<br>
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<h3>Related Information</h3>
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<ul>
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<li><a href="http://www.ibm.com/servers/aix/library/" target="blank">i5/OS
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PASE dlsym()--See AIX documentation</a><img src="www.gif" alt="Link outside Information Center"><br>
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<br>
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</li>
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<li><a href="qp2dlerror.htm">Qp2dlerror()--Retrieve i5/OS PASE Dynamic Load
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Error Information</a><br>
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<br>
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</li>
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<li><a href="qp2errnop.htm">Qp2errnop()--Retrieve i5/OS PASE errno
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Pointer</a><br>
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<br>
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</li>
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<li><a href="qp2runpase.htm">Qp2RunPase()--Run an i5/OS PASE Program</a></li>
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</ul>
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<br>
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<hr>
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API introduced: V5R2
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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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"pase1.htm">i5/OS PASE APIs</a> | <a href="aplist.htm">APIs by category</a>
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</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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