📄 fchown.html

📁 unix 下的C开发手册,还用详细的例程。
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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>fchown</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_128">&nbsp;</a>NAME</h4><blockquote>fchown - change owner and group of a file</blockquote><h4><a name = "tag_000_004_129">&nbsp;</a>SYNOPSIS</h4><blockquote><pre><code>#include &lt;<a href="unistd.h.html">unistd.h</a>&gt;int fchown(int <i>fildes</i>, uid_t <i>owner</i>, gid_t <i>group</i>);</code></pre></blockquote><h4><a name = "tag_000_004_130">&nbsp;</a>DESCRIPTION</h4><blockquote>The<i>fchown()</i>function has the same effect as<i><a href="chown.html">chown()</a></i>except that the file whose owner and group are to be changed is specified bythe file descriptor<i>fildes</i>.</blockquote><h4><a name = "tag_000_004_131">&nbsp;</a>RETURN VALUE</h4><blockquote>Upon successful completion,<i>fchown()</i>returns 0.  Otherwise, it returns -1 and sets<i>errno</i> to indicate the error.</blockquote><h4><a name = "tag_000_004_132">&nbsp;</a>ERRORS</h4><blockquote>The<i>fchown()</i>function will fail if:<dl compact><dt>[EBADF]<dd>The <i>fildes</i> argument is not an open file descriptor.<dt>[EPERM]<dd>The effective user ID does not match the owner of the file or theprocess does not have appropriate privilege.<dt>[EROFS]<dd>The file referred to by <i>fildes</i> resides on a read-only file system.</dl><p>The<i>fchown()</i>function may fail if:<dl compact><dt>[EINVAL]<dd>The owner or group ID is not a value supported by the implementation.<dt>[EIO]<dd>A physical I/O error has occurred.<dt>[EINTR]<dd>The<i>fchown()</i>function was interrupted by a signal which was caught.</dl></blockquote><h4><a name = "tag_000_004_133">&nbsp;</a>EXAMPLES</h4><blockquote>None.</blockquote><h4><a name = "tag_000_004_134">&nbsp;</a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_004_135">&nbsp;</a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_004_136">&nbsp;</a>SEE ALSO</h4><blockquote><i><a href="chown.html">chown()</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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