seekdir.html
来自「unix 下的C开发手册,还用详细的例程。」· HTML 代码 · 共 82 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>seekdir</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_252"> </a>NAME</h4><blockquote>seekdir - set position of directory stream</blockquote><h4><a name = "tag_000_008_253"> </a>SYNOPSIS</h4><blockquote><pre><code>#include <<a href="systypes.h.html">sys/types.h</a>>#include <<a href="dirent.h.html">dirent.h</a>>void seekdir(DIR *<i>dirp</i>, long int <i>loc</i>);</code></pre></blockquote><h4><a name = "tag_000_008_254"> </a>DESCRIPTION</h4><blockquote>The<i>seekdir()</i>function sets the position of the next<i><a href="readdir.html">readdir()</a></i>operation on the directory stream specified by<i>dirp</i>to the position specified by<i>loc</i>.The value of<i>loc</i>should have been returned from an earlier call to<i>telldir</i>().The new position reverts to the one associated with the directorystream when<i><a href="telldir.html">telldir()</a></i>was performed.<p>If the value of<i>loc</i>was not obtained from an earlier call to<i><a href="telldir.html">telldir()</a></i>or if a call to<i><a href="rewinddir.html">rewinddir()</a></i>occurred between the call to<i><a href="telldir.html">telldir()</a></i>and the call to<i>seekdir()</i>,the results of subsequent calls to<i><a href="readdir.html">readdir()</a></i>are unspecified.</blockquote><h4><a name = "tag_000_008_255"> </a>RETURN VALUE</h4><blockquote>The<i>seekdir()</i>function returns no value.</blockquote><h4><a name = "tag_000_008_256"> </a>ERRORS</h4><blockquote>No errors are defined.</blockquote><h4><a name = "tag_000_008_257"> </a>EXAMPLES</h4><blockquote>None.</blockquote><h4><a name = "tag_000_008_258"> </a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_008_259"> </a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_008_260"> </a>SEE ALSO</h4><blockquote><i><a href="opendir.html">opendir()</a></i>,<i><a href="readdir.html">readdir()</a></i>,<i><a href="telldir.html">telldir()</a></i>,<i><a href="dirent.h.html"><dirent.h></a></i><i><a href="stdio.h.html"><stdio.h></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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