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linkinfo.xml
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 0c9c2dd669fe9395eaa73d487fbd160f9057429a Maintainer: HonestQiao Status: ready -->
<!-- CREDITS: mowangjuanzi -->
<refentry xml:id="function.linkinfo" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>linkinfo</refname>
<refpurpose>获取一个连接的信息</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type class="union"><type>int</type><type>false</type></type><methodname>linkinfo</methodname>
<methodparam><type>string</type><parameter>path</parameter></methodparam>
</methodsynopsis>
<para>
获取一个连接的信息。
</para>
<para>
本函数用来验证一个连接(由 <parameter>path</parameter>
所指向的)是否确实存在(使用 <filename>stat.h</filename> 中的 S_ISLNK
宏同样的方法)。
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>path</parameter></term>
<listitem>
<para>
连接的路径。
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
<function>linkinfo</function> 返回 <literal>lstat</literal>
系统调用所返回的 UNIX C stat 结构中的 <literal>st_dev</literal>
字段。成功时返回非负数,如果链接未找到则返回 -1,如果跟 open.base_dir 冲突则返回 &false;。
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>linkinfo</function> 例子</title>
<programlisting role="php">
<![CDATA[
<?php
echo linkinfo('/vmlinuz'); // 835
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>symlink</function></member>
<member><function>link</function></member>
<member><function>readlink</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->