193 lines
5.5 KiB
HTML
193 lines
5.5 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>ldap_next_attribute()--Retrieve Next Attribute in an Entry</title>
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</head>
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<body>
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</script>
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<a name="Top_Of_Page"></a>
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<h2>ldap_next_attribute()--Retrieve Next Attribute in an Entry</h2>
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<div class="box" style="width: 80%;">
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Syntax<br>
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<br>
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<pre>
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#include <ldap.h>
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char *ldap_next_attribute(
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LDAP <em>*ld</em>,
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LDAPMessage <em>*entry</em>,
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BerElement <em>*berptr</em>)
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</pre>
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<br>
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Default Public Authority: *USE<br>
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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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Threadsafe: Yes<br>
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<br>
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</div>
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<p>The <strong>ldap_next_attribute()</strong> function returns the next
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attribute in an entry.</p>
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<p>The <strong>ldap_next_attribute()</strong> function takes an entry returned
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by <a href="ldap_first_entry.htm">ldap_first_entry()</a> or <a href=
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"ldap_next_entry.htm">ldap_next_entry()</a> and returns a pointer to a buffer
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containing the next attribute type in the entry. This string must be freed when
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its use is completed using <a href="ldap_memfree.htm">ldap_memfree()</a>.</p>
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<p>The <a href="ldap_first_attr.htm">ldap_first_attribute()</a> and <strong>
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ldap_next_attribute()</strong> functions are used to step through the
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attributes in an LDAP entry.</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>ld</strong></dt>
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<dd>(Input) Specifies the LDAP pointer returned by a previous call to <a href=
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"ldap_init.htm">ldap_init()</a>, <a href="ldap_ssl_init.htm">
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ldap_ssl_init()</a>, or <a href="ldap_open.htm">ldap_open()</a>.<br>
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</dd>
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<dt><strong>entry</strong></dt>
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<dd>(Input) The attribute information as returned by <a href=
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"ldap_first_entry.htm">ldap_first_entry()</a> or <a href="ldap_next_entry.htm">
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ldap_next_entry()</a>.<br>
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</dd>
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<dt><strong>berptr</strong></dt>
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<dd>(Input/Output) This parameter specifies a pointer to a BerElement that was
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allocated by <a href="ldap_first_attr.htm">ldap_first_attribute()</a> to keep
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track of the current position. The BerElement structure is opaque to the
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application. The caller should free <em>berptr</em> using <a href=
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"ldap_ber_free.htm">ldap_ber_free()</a> when finished.</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>Pointer to a buffer containing the next attribute type in the
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entry</strong></dt>
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<dd>if the request was successful.</dd>
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<dt><strong>NULL</strong></dt>
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<dd>When there are no attributes left to be retrieved.</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_next_attribute()</strong> is not successful, NULL is
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returned, and <em>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. It is left to the user to free
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outstanding BerElements using <a href="ldap_first_entry.htm">
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ldap_ber_free()</a>.</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 width="100%">
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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">CPF3CF2 E</td>
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<td width="85%" valign="top">Error(s) occurred during running of
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ldap_next_attribute 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_first_attr.htm">ldap_first_attribute()</a> -- Retrieve first
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attribute in an entry.</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_next_entry.htm">ldap_next_entry()</a> -- Retrieve next LDAP
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entry.</li>
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<li><a href="ldap_count_attr.htm">ldap_count_attributes()</a> -- Retrieve count
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of attributes for an LDAP entry.</li>
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<li><a href="ldap_get_values.htm">ldap_get_values()</a> -- Retrieve a set of
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attribute values from an entry.</li>
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<li><a href="ldap_get_values_len.htm">ldap_get_values_len()</a> -- Retrieve a
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set of binary attribute values.</li>
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</ul>
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<br>
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<hr>
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API introduced: V4R3
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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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