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18          <th colspan="3" align="center">Deleting Records Using Cursors</th>
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32            <h2 class="title" style="clear: both"><a id="DeleteEntryWCursor"></a>Deleting Records Using Cursors</h2>
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37      <p>
38
39        To delete a record using a cursor, simply position the cursor to the
40        record that you want to delete and then call 
41        
42        
43        
44        <span>
45            <span><tt class="methodname">DBC-&gt;del()</tt>.</span>
46            
47            
48        </span>
49    </p>
50      <p>For example:</p>
51      <a id="c_cursor8"></a>
52      <pre class="programlisting">#include &lt;db.h&gt;
53#include &lt;string.h&gt;
54
55...
56
57DB *dbp;
58DBC *cursorp;
59DBT key, data;
60char *key1str = "My first string";
61int ret;
62
63/* Database open omitted */
64
65/* Initialize our DBTs. */
66memset(&amp;key, 0, sizeof(DBT));
67memset(&amp;data, 0, sizeof(DBT));
68
69/* Set up our DBTs */
70key.data = key1str;
71key.size = strlen(key1str) + 1;
72
73/* Get the cursor */
74dbp-&gt;cursor(dbp, NULL, &amp;cursorp, 0);
75
76/* Iterate over the database, deleting each record in turn. */
77while ((ret = cursorp-&gt;get(cursorp, &amp;key,
78               &amp;data, DB_SET)) == 0) {
79    cursorp-&gt;del(cursorp, 0);
80}
81
82/* Cursors must be closed */
83if (cursorp != NULL)
84    cursorp-&gt;close(cursorp); 
85
86if (dbp != NULL)
87    dbp-&gt;close(dbp, 0);</pre>
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