📄 sync.html
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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>sync</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_009_285"> </a>NAME</h4><blockquote>sync - schedule filesystem updates</blockquote><h4><a name = "tag_000_009_286"> </a>SYNOPSIS</h4><blockquote><pre><code>#include <<a href="unistd.h.html">unistd.h</a>>void sync(void);</code></pre></blockquote><h4><a name = "tag_000_009_287"> </a>DESCRIPTION</h4><blockquote>The<i>sync()</i>function causes all information in memory that updates file systems to bescheduled for writing out to all file systems.<p>The writing, although scheduled, is not necessarily complete upon return from<i>sync()</i>.</blockquote><h4><a name = "tag_000_009_288"> </a>RETURN VALUE</h4><blockquote>The<i>sync()</i>function returns no value.</blockquote><h4><a name = "tag_000_009_289"> </a>ERRORS</h4><blockquote>No errors are defined.</blockquote><h4><a name = "tag_000_009_290"> </a>EXAMPLES</h4><blockquote>None.</blockquote><h4><a name = "tag_000_009_291"> </a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_009_292"> </a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_009_293"> </a>SEE ALSO</h4><blockquote><i><a href="fsync.html">fsync()</a></i>,<i><a href="unistd.h.html"><unistd.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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