184 lines
4.9 KiB
HTML
184 lines
4.9 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>ldap_first_message()--Retrieve First LDAP Message</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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<!-- Direct1 SCRIPT J 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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<!-- File Edited March 2001 -->
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<!-- This file has undergone html cleanup on 2/19/02 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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<!-- 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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<a name="Top_Of_Page"></a>
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<h2>ldap_first_message()--Retrieve First LDAP Message</h2>
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<div class="box" style="width: 80%;">
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<br>
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Syntax<br>
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<pre>
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#include <ldap.h>
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LDAPMessage *ldap_first_message(LDAP <em>*ld</em>,
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LDAPMessage <em>*result</em>)
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</pre>
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<br>
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Library Name/Service Program: QSYS/QGLDCLNT<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>The <strong>ldap_first_message()</strong> routine is used to step through
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the list of messages in a result chain, as returned by <a href=
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"ldap_result.htm">ldap_result()</a>. It is used to return a pointer to the
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first message in the list.</p>
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<br>
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<h3>Authorities and Locks</h3>
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<p>No i5/OS authority is required.</p>
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<br>
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<h3>Parameters</h3>
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<dl>
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<dt><strong><em>ld</em></strong></dt>
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<dd>(Input) The LDAP pointer returned by a previous call to
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<a href="ldap_init.htm">ldap_init()</a>,
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<a href="ldap_ssl_init.htm">ldap_ssl_init()</a> , or
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<a href="ldap_open.htm">ldap_open()</a>.<br>
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<br>
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</dd>
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<dt><strong><em>result</em></strong></dt>
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<dd>(Input) The result returned by a call to
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<a href="ldap_result.htm">ldap_result()</a> or one of the synchronous search routines
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(<a href="ldap_search_s.htm">ldap_search_s()</a>,
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<a href="ldap_search_st.htm">ldap_search_st()</a>, or
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<a href="ldap_search_ext_s.htm">ldap_search_ext_s()</a>).</dd>
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</dl>
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<br>
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<h3>Return Value</h3>
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<dl>
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<dt><strong>LDAPMessage *</strong></dt>
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<dd>Pointer to the first message.<br>
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<br>
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</dd>
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<dt><strong>NULL</strong></dt>
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<dd>when no message exists in the result set or if an error occurs.</dd>
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</dl>
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<br>
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<h3>Error Conditions</h3>
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<p>If <strong>ldap_first_message()</strong> is not successful, <em>
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ld_errno</em> will be set to indicate the error. See <a href=
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"ldap_error_condt.htm">LDAP Client API Error Conditions</a> for possible LDAP
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error code values. Use <a href="ldap_get_errno.htm">ldap_get_errno()</a>
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function to retrieve the error information.</p>
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<br>
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<h3>Error Messages</h3>
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<p>The following message may be sent from this function.</p>
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<table 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">CPF3CF2 E</td>
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<td align="left" valign="top">Error(s) occurred during running of
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ldap_first_message API.</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>Related Information</h3>
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<ul>
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<li><a href="ldap_count_msg.htm">ldap_count_messages()</a> -- Return the number
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of message in a result chain.</li>
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<li><a href="ldap_first_entry.htm">ldap_first_entry()</a> -- Retrieve first
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LDAP entry.</li>
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<li><a href="ldap_first_ref.htm">ldap_first_reference()</a> -- Return first
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continuation reference in a chain of search results.</li>
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<li><a href="ldap_msgfree.htm">ldap_msgfree()</a> -- Free LDAP result
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message.</li>
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<li><a href="ldap_msgid.htm">ldap_msgid()</a> -- Retrieve message ID associated
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with an LDAP message.</li>
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<li><a href="ldap_msgtype.htm">ldap_msgtype()</a> -- Retrieve type of an LDAP
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message.</li>
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<li><a href="ldap_next_msg.htm">ldap_next_message()</a> -- Retrieve next LDAP
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message.</li>
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<li><a href="ldap_result2error.htm">ldap_result2error()</a> -- Retrieve LDAP
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error information</li>
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</ul>
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<br>
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<hr>
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API introduced: V4R5
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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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"dirserv1.htm">LDAP 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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