1<?xml version="1.0" encoding="UTF-8" standalone="no"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml"> 4 <head> 5 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> 6 <title>DB_MULTIPLE_KEY_RESERVE_NEXT</title> 7 <link rel="stylesheet" href="apiReference.css" type="text/css" /> 8 <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /> 9 <link rel="start" href="index.html" title="Berkeley DB C API Reference" /> 10 <link rel="up" href="dbt.html" title="Chapter��4.�� The DBT Handle" /> 11 <link rel="prev" href="DB_MULTIPLE_KEY_WRITE_NEXT.html" title="DB_MULTIPLE_KEY_WRITE_NEXT" /> 12 <link rel="next" href="DB_MULTIPLE_RECNO_WRITE_INIT.html" title="DB_MULTIPLE_RECNO_WRITE_INIT" /> 13 </head> 14 <body> 15 <div class="navheader"> 16 <table width="100%" summary="Navigation header"> 17 <tr> 18 <th colspan="3" align="center">DB_MULTIPLE_KEY_RESERVE_NEXT</th> 19 </tr> 20 <tr> 21 <td width="20%" align="left"><a accesskey="p" href="DB_MULTIPLE_KEY_WRITE_NEXT.html">Prev</a>��</td> 22 <th width="60%" align="center">Chapter��4.�� 23 The DBT Handle 24 </th> 25 <td width="20%" align="right">��<a accesskey="n" href="DB_MULTIPLE_RECNO_WRITE_INIT.html">Next</a></td> 26 </tr> 27 </table> 28 <hr /> 29 </div> 30 <div class="sect1" lang="en" xml:lang="en"> 31 <div class="titlepage"> 32 <div> 33 <div> 34 <h2 class="title" style="clear: both"><a id="DB_MULTIPLE_KEY_RESERVE_NEXT"></a>DB_MULTIPLE_KEY_RESERVE_NEXT</h2> 35 </div> 36 </div> 37 </div> 38 <pre class="programlisting">#include <db.h> 39 40DB_MULTIPLE_KEY_RESERVE_NEXT(void *pointer, DBT *dbt, 41 void *kdest, size_t klen, void *ddest, size_t dlen); </pre> 42 <p> 43 Reserves space for a key / data pair in a bulk buffer. 44 </p> 45 <div class="sect2" lang="en" xml:lang="en"> 46 <div class="titlepage"> 47 <div> 48 <div> 49 <h3 class="title"><a id="id1659389"></a>Parameters</h3> 50 </div> 51 </div> 52 </div> 53 <div class="sect3" lang="en" xml:lang="en"> 54 <div class="titlepage"> 55 <div> 56 <div> 57 <h4 class="title"><a id="id1659133"></a>pointer</h4> 58 </div> 59 </div> 60 </div> 61 <p> 62 The <span class="bold"><strong>pointer</strong></span> parameter 63 is a variable that must have been initialized by a call 64 to <a class="xref" href="DB_MULTIPLE_WRITE_INIT.html" title="DB_MULTIPLE_WRITE_INIT">DB_MULTIPLE_WRITE_INIT</a>. 65 </p> 66 </div> 67 <div class="sect3" lang="en" xml:lang="en"> 68 <div class="titlepage"> 69 <div> 70 <div> 71 <h4 class="title"><a id="id1659353"></a>kdest</h4> 72 </div> 73 </div> 74 </div> 75 <p> 76 The <span class="bold"><strong>kdest</strong></span> parameter is 77 set to the location reserved in the bulk buffer for the 78 key. 79 </p> 80 <p> 81 This parameter is set to NULL if the data item does not 82 fit in the buffer. 83 </p> 84 </div> 85 <div class="sect3" lang="en" xml:lang="en"> 86 <div class="titlepage"> 87 <div> 88 <div> 89 <h4 class="title"><a id="id1659668"></a>klen</h4> 90 </div> 91 </div> 92 </div> 93 <p> 94 The number of bytes to be reserved for the key. 95 </p> 96 </div> 97 <div class="sect3" lang="en" xml:lang="en"> 98 <div class="titlepage"> 99 <div> 100 <div> 101 <h4 class="title"><a id="id1659650"></a>ddest</h4> 102 </div> 103 </div> 104 </div> 105 <p> 106 The <span class="bold"><strong>ddest</strong></span> parameter is 107 set to the location reserved in the bulk buffer for the 108 data item. 109 </p> 110 <p> 111 This parameter is set to NULL if the data item does not 112 fit in the buffer. 113 </p> 114 </div> 115 <div class="sect3" lang="en" xml:lang="en"> 116 <div class="titlepage"> 117 <div> 118 <div> 119 <h4 class="title"><a id="id1659657"></a>dlen</h4> 120 </div> 121 </div> 122 </div> 123 <p> 124 The number of bytes to be reserved for the data item. 125 </p> 126 </div> 127 </div> 128 <div class="sect2" lang="en" xml:lang="en"> 129 <div class="titlepage"> 130 <div> 131 <div> 132 <h3 class="title"><a id="id1659390"></a>Class</h3> 133 </div> 134 </div> 135 </div> 136 <p> 137 <a class="link" href="dbt.html" title="Chapter��4.�� The DBT Handle">DBT</a> 138 </p> 139 </div> 140 <div class="sect2" lang="en" xml:lang="en"> 141 <div class="titlepage"> 142 <div> 143 <div> 144 <h3 class="title"><a id="id1659580"></a>See Also</h3> 145 </div> 146 </div> 147 </div> 148 <p> 149 <a class="xref" href="dbt.html#dbtlist" title="DBT and Bulk Operations">DBT and Bulk Operations</a> 150 </p> 151 </div> 152 </div> 153 <div class="navfooter"> 154 <hr /> 155 <table width="100%" summary="Navigation footer"> 156 <tr> 157 <td width="40%" align="left"><a accesskey="p" href="DB_MULTIPLE_KEY_WRITE_NEXT.html">Prev</a>��</td> 158 <td width="20%" align="center"> 159 <a accesskey="u" href="dbt.html">Up</a> 160 </td> 161 <td width="40%" align="right">��<a accesskey="n" href="DB_MULTIPLE_RECNO_WRITE_INIT.html">Next</a></td> 162 </tr> 163 <tr> 164 <td width="40%" align="left" valign="top">DB_MULTIPLE_KEY_WRITE_NEXT��</td> 165 <td width="20%" align="center"> 166 <a accesskey="h" href="index.html">Home</a> 167 </td> 168 <td width="40%" align="right" valign="top">��DB_MULTIPLE_RECNO_WRITE_INIT</td> 169 </tr> 170 </table> 171 </div> 172 </body> 173</html> 174