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_RECNO_WRITE_INIT</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_RESERVE_NEXT.html" title="DB_MULTIPLE_KEY_RESERVE_NEXT" /> 12 <link rel="next" href="DB_MULTIPLE_RECNO_WRITE_NEXT.html" title="DB_MULTIPLE_RECNO_WRITE_NEXT" /> 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_RECNO_WRITE_INIT</th> 19 </tr> 20 <tr> 21 <td width="20%" align="left"><a accesskey="p" href="DB_MULTIPLE_KEY_RESERVE_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_NEXT.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_RECNO_WRITE_INIT"></a>DB_MULTIPLE_RECNO_WRITE_INIT</h2> 35 </div> 36 </div> 37 </div> 38 <pre class="programlisting">#include <db.h> 39 40DB_MULTIPLE_RECNO_WRITE_INIT(void *pointer, DBT *data); </pre> 41 <p> 42 Initialize a DBT containing a bulk buffer for use with the 43 <a class="link" href="dbput.html#put_DB_MULTIPLE">DB_MULTIPLE</a> 44 or <a class="link" href="dbput.html#put_DB_MULTIPLE_KEY">DB_MULTIPLE_KEY</a> 45 flags to the <a class="xref" href="dbput.html" title="DB->put()">DB->put()</a> or 46 <a class="xref" href="dbdel.html" title="DB->del()">DB->del()</a> methods, if the buffer 47 will contain record number keys. 48 </p> 49 <p> 50 This macro initializes an opaque pointer variable used for adding 51 records to a bulk buffer. Use this macro for buffers that will contain 52 either a list of record numbers (for use with 53 <a class="link" href="dbput.html#put_DB_MULTIPLE">DB_MULTIPLE</a>), 54 or key/data pairs, where the key is a record number. 55 </p> 56 <div class="sect2" lang="en" xml:lang="en"> 57 <div class="titlepage"> 58 <div> 59 <div> 60 <h3 class="title"><a id="id1659489"></a>Parameters</h3> 61 </div> 62 </div> 63 </div> 64 <div class="sect3" lang="en" xml:lang="en"> 65 <div class="titlepage"> 66 <div> 67 <div> 68 <h4 class="title"><a id="id1659640"></a>pointer</h4> 69 </div> 70 </div> 71 </div> 72 <p> 73 The <span class="bold"><strong>pointer</strong></span> parameter is an 74 opaque pointer variable to be initialized. 75 </p> 76 </div> 77 <div class="sect3" lang="en" xml:lang="en"> 78 <div class="titlepage"> 79 <div> 80 <div> 81 <h4 class="title"><a id="id1659523"></a>data</h4> 82 </div> 83 </div> 84 </div> 85 <p> 86 The <span class="bold"><strong>data</strong></span> parameter is 87 a <a class="link" href="dbt.html" title="Chapter 4. The DBT Handle">DBT</a> structure that 88 has been initialized by the application with a buffer 89 to hold multiple records. The 90 <span class="bold"><strong>ulen</strong></span> field must be set 91 to the size of the buffer allocated by the application, 92 which must be a multiple of 4. 93 </p> 94 </div> 95 </div> 96 <div class="sect2" lang="en" xml:lang="en"> 97 <div class="titlepage"> 98 <div> 99 <div> 100 <h3 class="title"><a id="id1659832"></a>Class</h3> 101 </div> 102 </div> 103 </div> 104 <p> 105 <a class="link" href="dbt.html" title="Chapter 4. The DBT Handle">DBT</a> 106 </p> 107 </div> 108 <div class="sect2" lang="en" xml:lang="en"> 109 <div class="titlepage"> 110 <div> 111 <div> 112 <h3 class="title"><a id="id1659769"></a>See Also</h3> 113 </div> 114 </div> 115 </div> 116 <p> 117 <a class="xref" href="dbt.html#dbtlist" title="DBT and Bulk Operations">DBT and Bulk Operations</a> 118 </p> 119 </div> 120 </div> 121 <div class="navfooter"> 122 <hr /> 123 <table width="100%" summary="Navigation footer"> 124 <tr> 125 <td width="40%" align="left"><a accesskey="p" href="DB_MULTIPLE_KEY_RESERVE_NEXT.html">Prev</a> </td> 126 <td width="20%" align="center"> 127 <a accesskey="u" href="dbt.html">Up</a> 128 </td> 129 <td width="40%" align="right"> <a accesskey="n" href="DB_MULTIPLE_RECNO_WRITE_NEXT.html">Next</a></td> 130 </tr> 131 <tr> 132 <td width="40%" align="left" valign="top">DB_MULTIPLE_KEY_RESERVE_NEXT </td> 133 <td width="20%" align="center"> 134 <a accesskey="h" href="index.html">Home</a> 135 </td> 136 <td width="40%" align="right" valign="top"> DB_MULTIPLE_RECNO_WRITE_NEXT</td> 137 </tr> 138 </table> 139 </div> 140 </body> 141</html> 142