fchdir.html

来自「unix 下的C开发手册,还用详细的例程。」· HTML 代码 · 共 84 行

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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>fchdir</title></head><body bgcolor=white><center><font size=2>The Single UNIX &reg; Specification, Version 2<br>Copyright &copy; 1997 The Open Group</font></center><hr size=2 noshade><h4><a name = "tag_000_004_110">&nbsp;</a>NAME</h4><blockquote>fchdir - change working directory</blockquote><h4><a name = "tag_000_004_111">&nbsp;</a>SYNOPSIS</h4><blockquote><pre><code>#include &lt;<a href="unistd.h.html">unistd.h</a>&gt;int fchdir(int <i>fildes</i>);</code></pre></blockquote><h4><a name = "tag_000_004_112">&nbsp;</a>DESCRIPTION</h4><blockquote>The<i>fchdir()</i>function has the same effect as<i><a href="chdir.html">chdir()</a></i>except that the directory that is to be the new current working directory isspecified by the file descriptor<i>fildes</i>.</blockquote><h4><a name = "tag_000_004_113">&nbsp;</a>RETURN VALUE</h4><blockquote>Upon successful completion,<i>fchdir()</i>returns 0.  Otherwise, it returns -1 and sets<i>errno</i> to indicate the error.On failure the current working directory remains unchanged.</blockquote><h4><a name = "tag_000_004_114">&nbsp;</a>ERRORS</h4><blockquote>The<i>fchdir()</i>function will fail if:<dl compact><dt>[EACCES]<dd>Search permission is denied for the directory referenced by <i>fildes</i>.<dt>[EBADF]<dd>The <i>fildes</i> argument is not an open file descriptor.<dt>[ENOTDIR]<dd>The open file descriptor <i>fildes</i> does not refer to a directory.</dl><p>The<i>fchdir()</i>may fail if:<dl compact><dt>[EINTR]<dd>A signal was caught during the execution of<i>fchdir()</i>.<dt>[EIO]<dd>An I/O error occurred while reading from or writing to the file system.</dl></blockquote><h4><a name = "tag_000_004_115">&nbsp;</a>EXAMPLES</h4><blockquote>None.</blockquote><h4><a name = "tag_000_004_116">&nbsp;</a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_004_117">&nbsp;</a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_004_118">&nbsp;</a>SEE ALSO</h4><blockquote><i><a href="chdir.html">chdir()</a></i>,<i><a href="unistd.h.html">&lt;unistd.h&gt;</a></i>.</blockquote><hr size=2 noshade><center><font size=2>UNIX &reg; is a registered Trademark of The Open Group.<br>Copyright &copy; 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>

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