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<title>ldap_next_attribute()--Retrieve Next Attribute in an Entry</title>
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<h2>ldap_next_attribute()--Retrieve Next Attribute in an Entry</h2>
<div class="box" style="width: 80%;">
&nbsp;&nbsp;Syntax<br>
<br>
<pre>
#include &lt;ldap.h&gt;
char *ldap_next_attribute(
LDAP <em>*ld</em>,
LDAPMessage <em>*entry</em>,
BerElement <em>*berptr</em>)
</pre>
<br>
&nbsp;&nbsp;Default Public Authority: *USE<br>
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&nbsp;&nbsp;Library Name/Service Program: QSYS/QGLDCLNT<br>
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<br>
&nbsp;&nbsp;Threadsafe: Yes<br>
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<br>
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<p>The <strong>ldap_next_attribute()</strong> function returns the next
attribute in an entry.</p>
<p>The <strong>ldap_next_attribute()</strong> function takes an entry returned
by <a href="ldap_first_entry.htm">ldap_first_entry()</a> or <a href=
"ldap_next_entry.htm">ldap_next_entry()</a> and returns a pointer to a buffer
containing the next attribute type in the entry. This string must be freed when
its use is completed using <a href="ldap_memfree.htm">ldap_memfree()</a>.</p>
<p>The <a href="ldap_first_attr.htm">ldap_first_attribute()</a> and <strong>
ldap_next_attribute()</strong> functions are used to step through the
attributes in an LDAP entry.</p>
<br>
<h3>Authorities and Locks</h3>
<p>No i5/OS authority is required.</p>
<br>
<h3>Parameters</h3>
<dl>
<dt><strong>ld</strong></dt>
<dd>(Input) Specifies the LDAP pointer returned by a previous call to <a href=
"ldap_init.htm">ldap_init()</a>, <a href="ldap_ssl_init.htm">
ldap_ssl_init()</a>, or <a href="ldap_open.htm">ldap_open()</a>.<br>
</dd>
<dt><strong>entry</strong></dt>
<dd>(Input) The attribute information as returned by <a href=
"ldap_first_entry.htm">ldap_first_entry()</a> or <a href="ldap_next_entry.htm">
ldap_next_entry()</a>.<br>
</dd>
<dt><strong>berptr</strong></dt>
<dd>(Input/Output) This parameter specifies a pointer to a BerElement that was
allocated by <a href="ldap_first_attr.htm">ldap_first_attribute()</a> to keep
track of the current position. The BerElement structure is opaque to the
application. The caller should free <em>berptr</em> using <a href=
"ldap_ber_free.htm">ldap_ber_free()</a> when finished.</dd>
</dl>
<br>
<h3>Return Value</h3>
<dl>
<dt><strong>Pointer to a buffer containing the next attribute type in the
entry</strong></dt>
<dd>if the request was successful.</dd>
<dt><strong>NULL</strong></dt>
<dd>When there are no attributes left to be retrieved.</dd>
</dl>
<br>
<h3>Error Conditions</h3>
<p>If <strong>ldap_next_attribute()</strong> is not successful, NULL is
returned, and <em>ld_errno</em> will be set to indicate the error. See <a href=
"ldap_error_condt.htm">LDAP Client API Error Conditions</a> for possible LDAP
error code values. Use <a href="ldap_get_errno.htm">ldap_get_errno()</a>
function to retrieve the error information. It is left to the user to free
outstanding BerElements using <a href="ldap_first_entry.htm">
ldap_ber_free()</a>.</p>
<br>
<h3>Error Messages</h3>
<p>The following message may be sent from this function.</p>
<table width="100%">
<tr>
<th align="left" valign="top">Message ID</th>
<th align="left" valign="top">Error Message Text</th>
</tr>
<tr>
<td width="15%" valign="top">CPF3CF2 E</td>
<td width="85%" valign="top">Error(s) occurred during running of
ldap_next_attribute API.</td>
</tr>
</table>
<br>
<br>
<h3>Related Information</h3>
<ul>
<li><a href="ldap_first_attr.htm">ldap_first_attribute()</a> -- Retrieve first
attribute in an entry.</li>
<li><a href="ldap_first_entry.htm">ldap_first_entry()</a> -- Retrieve first
LDAP entry.</li>
<li><a href="ldap_next_entry.htm">ldap_next_entry()</a> -- Retrieve next LDAP
entry.</li>
<li><a href="ldap_count_attr.htm">ldap_count_attributes()</a> -- Retrieve count
of attributes for an LDAP entry.</li>
<li><a href="ldap_get_values.htm">ldap_get_values()</a> -- Retrieve a set of
attribute values from an entry.</li>
<li><a href="ldap_get_values_len.htm">ldap_get_values_len()</a> -- Retrieve a
set of binary attribute values.</li>
</ul>
<br>
<hr>
API introduced: V4R3
<hr>
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<td valign="middle" align="center"><a href="#Top_Of_Page">Top</a> | <a href=
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