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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Qt Toolkit - group index</title><style type="text/css"><!--
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<a href="classes.html"><b>Classes</b></a>
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<h1 align="center">I/O Classes</h1><br clear="all">
<p>
These classes are used to handle input and output to and from external
devices, files etc., as well as manipulating files and directories.
<p>Classes:<ul plain>
<li><a href="qbuffer.html">QBuffer</a>
(I/O device that operates on a <a href="qbytearray.html">QByteArray</a>)
<li><a href="qdatastream.html">QDataStream</a>
(Serialization of binary data to a <a href="qiodevice.html">QIODevice</a>)
<li><a href="qdir.html">QDir</a>
(Traverses directory structures and contents in a platform-independent way)
<li><a href="qfile.html">QFile</a>
(I/O device that operates on files)
<li><a href="qfileinfo.html">QFileInfo</a>
(System-independent file information)
<li><a href="qiodevice.html">QIODevice</a>
(The base class of I/O devices)
<li><a href="qimageio.html">QImageIO</a>
(Parameters for loading and saving images)
<li><a href="qlocalfs.html">QLocalFs</a>
(Implementation of a <a href="qnetworkprotocol.html">QNetworkProtocol</a> which works on the local filesystem)
<li><a href="qnetworkoperation.html">QNetworkOperation</a>
(This class is used to define operations for network protocols and return the state, arguments, etc)
<li><a href="qnetworkprotocol.html">QNetworkProtocol</a>
(This is the base class for network protocols which provides a common API for network protocols)
<li><a href="qsocketnotifier.html">QSocketNotifier</a>
(Support for socket callbacks)
<li><a href="qtextstream.html">QTextStream</a>
(Basic functions for reading and writing text using a <a href="qiodevice.html">QIODevice</a>)
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<td>Copyright 2001 Trolltech<td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a>
<td align="right"><div align="right">Qt version 2.3.2</div>
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