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<h2 class="title" style="clear: both"><a id="DB_MULTIPLE_KEY_NEXT"></a>DB_MULTIPLE_KEY_NEXT</h2>
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<pre class="programlisting">#include <db.h>
DB_MULTIPLE_KEY_NEXT(void *pointer, DBT *data,
void *retkey, size_t retklen, void *retdata, size_t retdlen); </pre>
<p>
If either of the
<a class="link" href="dbcget.html#dbcget_DB_MULTIPLE">DB_MULTIPLE</a>
or
<a class="link" href="dbcget.html#dbcget_DB_MULTIPLE_KEY">DB_MULTIPLE_KEY</a>
flags were specified to the <a class="xref" href="dbget.html" title="DB->get()">DB->get()</a> or
<a class="xref" href="dbcget.html" title="DBcursor->get()">DBcursor->get()</a> methods, the data
<a class="link" href="dbt.html" title="Chapter 4. The DBT Handle">DBT</a> returned by those interfaces will
refer to a buffer that is filled with data. Access to that data is through the
DB_MULTIPLE_* macros.
</p>
<p>
Returns the next <a class="link" href="dbt.html" title="Chapter 4. The DBT Handle">DBT</a> in the bulk
retrieval set. Use this macro with <a class="link" href="dbt.html" title="Chapter 4. The DBT Handle">DBT</a>
structures obtained from a database that uses the Btree or Hash
access methods.
</p>
<div class="sect2" lang="en" xml:lang="en">
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<div>
<h3 class="title"><a id="id1658314"></a>Parameters</h3>
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<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h4 class="title"><a id="id1658460"></a>pointer</h4>
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<p>
The <span class="bold"><strong>pointer</strong></span> parameter is a variable
that must have been initialized by a call to
<a class="xref" href="DB_MULTIPLE_INIT.html" title="DB_MULTIPLE_INIT">DB_MULTIPLE_INIT</a>.
</p>
<p>
This parameter is set to NULL if there are no more key/data pairs in
the returned set.
</p>
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<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
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<div>
<h4 class="title"><a id="id1658444"></a>data</h4>
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<p>
The <span class="bold"><strong>data</strong></span> parameter is a
<a class="link" href="dbt.html" title="Chapter 4. The DBT Handle">DBT</a> structure returned from a
successful call to <a class="xref" href="dbcget.html" title="DBcursor->get()">DBcursor->get()</a> with the Btree or Hash
access methods for which the
<a class="link" href="dbcget.html#dbcget_DB_MULTIPLE_KEY">DB_MULTIPLE_KEY</a>
flag was specified.
</p>
<p>
The <span class="bold"><strong>data</strong></span> parameter must have been initialized by
a call to <a class="xref" href="DB_MULTIPLE_INIT.html" title="DB_MULTIPLE_INIT">DB_MULTIPLE_INIT</a>.
</p>
</div>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h4 class="title"><a id="id1658631"></a>retkey</h4>
</div>
</div>
</div>
<p>
The <span class="bold"><strong>retkey</strong></span> parameter is set
to the next key element in the returned set.
</p>
</div>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h4 class="title"><a id="id1658650"></a>retklen</h4>
</div>
</div>
</div>
<p>
The <span class="bold"><strong>retklen</strong></span> parameter is set to
the length, in bytes, of the next key element.
</p>
</div>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h4 class="title"><a id="id1658663"></a>retdata</h4>
</div>
</div>
</div>
<p>
The <span class="bold"><strong>retdata</strong></span> parameter is set
to the next data element in the returned set.
</p>
</div>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h4 class="title"><a id="id1658676"></a>retdlen</h4>
</div>
</div>
</div>
<p>
The <span class="bold"><strong>retdlen</strong></span> parameter is set to
the length, in bytes, of the next data element.
</p>
</div>
</div>
<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h3 class="title"><a id="id1658691"></a>Class</h3>
</div>
</div>
</div>
<p>
<a class="link" href="dbt.html" title="Chapter 4. The DBT Handle">DBT</a>
</p>
</div>
<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h3 class="title"><a id="id1658633"></a>See Also</h3>
</div>
</div>
</div>
<p>
<a class="xref" href="dbt.html#dbtlist" title="DBT and Bulk Operations">DBT and Bulk Operations</a>
</p>
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