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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><html><head><!-- Copyright 1997 The Open Group, All Rights Reserved --><title><search.h></title></head><body bgcolor=white><center><font size=2>The Single UNIX ® Specification, Version 2<br>Copyright © 1997 The Open Group</font></center><hr size=2 noshade><h4><a name = "tag_000_008_243"> </a>NAME</h4><blockquote>search.h - search tables</blockquote><h4><a name = "tag_000_008_244"> </a>SYNOPSIS</h4><blockquote><pre><code>#include <search.h></code></pre></blockquote><h4><a name = "tag_000_008_245"> </a>DESCRIPTION</h4><blockquote>The<i><search.h></i>header provides a type definition, <b>ENTRY</b>, forstructure <b>entry</b> which includes the following members:<pre><code>char *keyvoid *data</code></pre><p>and defines <b>ACTION</b> and <b>VISIT</b> as enumeration data types throughtype definitions as follows:<pre><code>enum { FIND, ENTER } ACTION;enum { preorder, postorder, endorder, leaf } VISIT;</code></pre><p>The<b>size_t</b>type is defined as described in<i><a href="systypes.h.html"><sys/types.h></a></i>.<p>Each of the following isdeclared as a function, or defined as a macro, or both.Function prototypes must be provided for use with an ISO Ccompiler.<pre><code>int <a href="hcreate.html">hcreate</a>(size_t);void <a href="hdestroy.html">hdestroy</a>(void);ENTRY *<a href="hsearch.html">hsearch</a>(ENTRY, ACTION);void <a href="insque.html">insque</a>(void *, void *);void *<a href="lfind.html">lfind</a>(const void *, const void *, size_t *, size_t, int (*)(const void *, const void *));void *<a href="lsearch.html">lsearch</a>(const void *, void *, size_t *, size_t, int (*)(const void *, const void *));void <a href="remque.html">remque</a>(void *);void *<a href="tdelete.html">tdelete</a>(const void *, void **, int(*)(const void *, const void *));void *<a href="tfind.html">tfind</a>(const void *, void *const *, int(*)(const void *, const void *));void *<a href="tsearch.html">tsearch</a>(const void *, void **, int(*)(const void *, const void *));void <a href="twalk.html">twalk</a>(const void *, void (*)(const void *, VISIT, int ));</code></pre></blockquote><h4><a name = "tag_000_008_246"> </a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_008_247"> </a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_008_248"> </a>SEE ALSO</h4><blockquote><i><a href="hsearch.html">hsearch()</a></i>,<i><a href="insque.html">insque()</a></i>,<i><a href="lsearch.html">lsearch()</a></i>,<i><a href="remque.html">remque()</a></i>,<i><a href="tsearch.html">tsearch()</a></i>,<i><a href="systypes.h.html"><sys/types.h></a></i>.</blockquote><hr size=2 noshade><center><font size=2>UNIX ® is a registered Trademark of The Open Group.<br>Copyright © 1997 The Open Group<br> [ <a href="../index.html">Main Index</a> | <a href="../xshix.html">XSH</a> | <a href="../xcuix.html">XCU</a> | <a href="../xbdix.html">XBD</a> | <a href="../cursesix.html">XCURSES</a> | <a href="../xnsix.html">XNS</a> ]</font></center><hr size=2 noshade></body></html>⌨️ 快捷键说明
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