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->get_h_nelem()</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="db.html" title="Chapter��2.�� The DB Handle" /> 11 <link rel="prev" href="dbget_h_ffactor.html" title="DB->get_h_ffactor()" /> 12 <link rel="next" href="dbget_lorder.html" title="DB->get_lorder()" /> 13 </head> 14 <body> 15 <div class="navheader"> 16 <table width="100%" summary="Navigation header"> 17 <tr> 18 <th colspan="3" align="center">DB->get_h_nelem()</th> 19 </tr> 20 <tr> 21 <td width="20%" align="left"><a accesskey="p" href="dbget_h_ffactor.html">Prev</a>��</td> 22 <th width="60%" align="center">Chapter��2.�� 23 The DB Handle 24 </th> 25 <td width="20%" align="right">��<a accesskey="n" href="dbget_lorder.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="dbget_h_nelem"></a>DB->get_h_nelem()</h2> 35 </div> 36 </div> 37 </div> 38 <pre class="programlisting">#include <db.h> 39 40int 41DB->get_h_nelem(DB *db, u_int32_t *h_nelemp); </pre> 42 <p> 43 The <code class="methodname">DB->get_h_nelem()</code> method returns the estimate of the final size 44 of the hash table as set by the 45 <a class="xref" href="dbset_h_nelem.html" title="DB->set_h_nelem()">DB->set_h_nelem()</a> 46 method. 47 </p> 48 <p> 49 The <code class="methodname">DB->get_h_nelem()</code> method may be called at any time during the 50 life of the application. 51 </p> 52 <p> 53 The <code class="methodname">DB->get_h_nelem()</code> <span> 54 <span> 55 method returns a non-zero error value on failure and 0 on success. 56 </span> 57 58 </span> 59 </p> 60 <div class="sect2" lang="en" xml:lang="en"> 61 <div class="titlepage"> 62 <div> 63 <div> 64 <h3 class="title"><a id="id1636558"></a>Parameters</h3> 65 </div> 66 </div> 67 </div> 68 <div class="sect3" lang="en" xml:lang="en"> 69 <div class="titlepage"> 70 <div> 71 <div> 72 <h4 class="title"><a id="id1636363"></a>h_nelemp</h4> 73 </div> 74 </div> 75 </div> 76 <p> 77 The <code class="methodname">DB->get_h_nelem()</code> method returns the estimate of the final size 78 of the hash table in <span class="bold"><strong>h_nelemp</strong></span>. 79 </p> 80 </div> 81 </div> 82 <div class="sect2" lang="en" xml:lang="en"> 83 <div class="titlepage"> 84 <div> 85 <div> 86 <h3 class="title"><a id="id1636457"></a>Class</h3> 87 </div> 88 </div> 89 </div> 90 <p> 91 <a class="link" href="db.html" title="Chapter��2.�� The DB Handle">DB</a> 92 </p> 93 </div> 94 <div class="sect2" lang="en" xml:lang="en"> 95 <div class="titlepage"> 96 <div> 97 <div> 98 <h3 class="title"><a id="id1636749"></a>See Also</h3> 99 </div> 100 </div> 101 </div> 102 <p> 103 <a class="xref" href="db.html#dblist" title="Database and Related Methods">Database and Related Methods</a>, 104 <a class="xref" href="dbset_h_nelem.html" title="DB->set_h_nelem()">DB->set_h_nelem()</a> 105 </p> 106 </div> 107 </div> 108 <div class="navfooter"> 109 <hr /> 110 <table width="100%" summary="Navigation footer"> 111 <tr> 112 <td width="40%" align="left"><a accesskey="p" href="dbget_h_ffactor.html">Prev</a>��</td> 113 <td width="20%" align="center"> 114 <a accesskey="u" href="db.html">Up</a> 115 </td> 116 <td width="40%" align="right">��<a accesskey="n" href="dbget_lorder.html">Next</a></td> 117 </tr> 118 <tr> 119 <td width="40%" align="left" valign="top">DB->get_h_ffactor()��</td> 120 <td width="20%" align="center"> 121 <a accesskey="h" href="index.html">Home</a> 122 </td> 123 <td width="40%" align="right" valign="top">��DB->get_lorder()</td> 124 </tr> 125 </table> 126 </div> 127 </body> 128</html> 129