libdb/docs/api_reference/C/DB_MULTIPLE_KEY_RESERVE_NEXT.html

177 lines
6.2 KiB
HTML
Raw Normal View History

2011-09-13 17:44:24 +00:00
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>DB_MULTIPLE_KEY_RESERVE_NEXT</title>
<link rel="stylesheet" href="apiReference.css" type="text/css" />
<meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
<link rel="start" href="index.html" title="Berkeley DB C API Reference" />
<link rel="up" href="dbt.html" title="Chapter 4.  The DBT Handle" />
<link rel="prev" href="DB_MULTIPLE_KEY_WRITE_NEXT.html" title="DB_MULTIPLE_KEY_WRITE_NEXT" />
<link rel="next" href="DB_MULTIPLE_RECNO_WRITE_INIT.html" title="DB_MULTIPLE_RECNO_WRITE_INIT" />
</head>
<body>
<div xmlns="" class="navheader">
<div class="libver">
<p>Library Version 11.2.5.2</p>
</div>
<table width="100%" summary="Navigation header">
<tr>
<th colspan="3" align="center">DB_MULTIPLE_KEY_RESERVE_NEXT</th>
</tr>
<tr>
<td width="20%" align="left"><a accesskey="p" href="DB_MULTIPLE_KEY_WRITE_NEXT.html">Prev</a> </td>
<th width="60%" align="center">Chapter 4. 
The DBT Handle
</th>
<td width="20%" align="right"> <a accesskey="n" href="DB_MULTIPLE_RECNO_WRITE_INIT.html">Next</a></td>
</tr>
</table>
<hr />
</div>
<div class="sect1" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title" style="clear: both"><a id="DB_MULTIPLE_KEY_RESERVE_NEXT"></a>DB_MULTIPLE_KEY_RESERVE_NEXT</h2>
</div>
</div>
</div>
<pre class="programlisting">#include &lt;db.h&gt;
DB_MULTIPLE_KEY_RESERVE_NEXT(void *pointer, DBT *dbt,
void *kdest, size_t klen, void *ddest, size_t dlen); </pre>
<p>
Reserves space for a key / data pair in a bulk buffer.
</p>
<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
2011-12-20 00:07:10 +00:00
<h3 class="title"><a id="id3702600"></a>Parameters</h3>
2011-09-13 17:44:24 +00:00
</div>
</div>
</div>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
2011-12-20 00:07:10 +00:00
<h4 class="title"><a id="id3702448"></a>pointer</h4>
2011-09-13 17:44:24 +00:00
</div>
</div>
</div>
<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_WRITE_INIT.html" title="DB_MULTIPLE_WRITE_INIT">DB_MULTIPLE_WRITE_INIT</a>.
</p>
</div>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
2011-12-20 00:07:10 +00:00
<h4 class="title"><a id="id3702642"></a>kdest</h4>
2011-09-13 17:44:24 +00:00
</div>
</div>
</div>
<p>
The <span class="bold"><strong>kdest</strong></span> parameter is
set to the location reserved in the bulk buffer for the
key.
</p>
<p>
This parameter is set to NULL if the data item does not
fit in the buffer.
</p>
</div>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
2011-12-20 00:07:10 +00:00
<h4 class="title"><a id="id3702404"></a>klen</h4>
2011-09-13 17:44:24 +00:00
</div>
</div>
</div>
<p>
The number of bytes to be reserved for the key.
</p>
</div>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
2011-12-20 00:07:10 +00:00
<h4 class="title"><a id="id3702846"></a>ddest</h4>
2011-09-13 17:44:24 +00:00
</div>
</div>
</div>
<p>
The <span class="bold"><strong>ddest</strong></span> parameter is
set to the location reserved in the bulk buffer for the
data item.
</p>
<p>
This parameter is set to NULL if the data item does not
fit in the buffer.
</p>
</div>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
2011-12-20 00:07:10 +00:00
<h4 class="title"><a id="id3702496"></a>dlen</h4>
2011-09-13 17:44:24 +00:00
</div>
</div>
</div>
<p>
The number of bytes to be reserved for the data item.
</p>
</div>
</div>
<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
2011-12-20 00:07:10 +00:00
<h3 class="title"><a id="id3702687"></a>Class</h3>
2011-09-13 17:44:24 +00:00
</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>
2011-12-20 00:07:10 +00:00
<h3 class="title"><a id="id3702469"></a>See Also</h3>
2011-09-13 17:44:24 +00:00
</div>
</div>
</div>
<p>
<a class="xref" href="dbt.html#dbtlist" title="DBT and Bulk Operations">DBT and Bulk Operations</a>
</p>
</div>
</div>
<div class="navfooter">
<hr />
<table width="100%" summary="Navigation footer">
<tr>
<td width="40%" align="left"><a accesskey="p" href="DB_MULTIPLE_KEY_WRITE_NEXT.html">Prev</a> </td>
<td width="20%" align="center">
<a accesskey="u" href="dbt.html">Up</a>
</td>
<td width="40%" align="right"> <a accesskey="n" href="DB_MULTIPLE_RECNO_WRITE_INIT.html">Next</a></td>
</tr>
<tr>
<td width="40%" align="left" valign="top">DB_MULTIPLE_KEY_WRITE_NEXT </td>
<td width="20%" align="center">
<a accesskey="h" href="index.html">Home</a>
</td>
<td width="40%" align="right" valign="top"> DB_MULTIPLE_RECNO_WRITE_INIT</td>
</tr>
</table>
</div>
</body>
</html>