mirror of
https://github.com/lunarmodules/luasocket.git
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242 lines
7.3 KiB
HTML
242 lines
7.3 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
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"http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<meta name="description" content="The LuaSocket Homepage">
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<meta name="keywords" content="Lua, Library, Network, Support, Internet">
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<title>LuaSocket: Network support for the Lua language </title>
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<link rel="stylesheet" href="reference.css" type="text/css">
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</head>
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<body>
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<!-- header +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<div class=header>
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<hr>
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<center>
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<table summary="LuaSocket logo">
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<tr><td align=center><a href="http://www.lua.org">
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<img width=128 height=128 border=0 alt="LuaSocket" src="luasocket.png">
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</a></td></tr>
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<tr><td align=center valign=top>Network support for the Lua language
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</td></tr>
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</table>
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<p class=bar>
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<a href="home.html">home</a> ·
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<a href="home.html#download">download</a> ·
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<a href="introduction.html">introduction</a> ·
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<a href="reference.html">reference</a>
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</p>
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</center>
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<hr>
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</div>
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<!-- whatis +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h2 id=whatis>What is LuaSocket?</h2>
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<p>
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LuaSocket is a <a href="http://www.lua.org">Lua</a> extension library
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that is composed by two parts: a C core that provides support for the TCP
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and UDP transport layers, and a set of Lua modules that add support for
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functionality commonly needed by applications that deal with the Internet.
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</p>
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<p>
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The core support has been implemented so that it is both efficient and
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simple to use. The core can be used by any Lua application once it has
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been properly initialized by the interpreter running the
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Lua application. The code has been tested and runs well on several Windows
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and Unix platforms.
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</p>
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<p>
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The most used modules implement the
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<a href=smtp.html>SMTP</a>
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(sending e-mails),
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<a href=http.html>HTTP</a>
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(WWW access) and
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<a href=ftp.html>FTP</a>
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(uploading and downloading files) client
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protocols. These provide a very natural and generic interface to the e
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functionality covered by the protocols.
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In addition, you will find that the
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<a href=mime.html>MIME</a> (common encodings),
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<a href=url.html>URL</a>
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(anything you could possible want to do with one) and
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<a href=ltn12.html>LTN12</a>
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(filters, sinks, sources and pumps) modules can be very handy.
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</p>
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<p>
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The library is available under the same
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<a href="http://www.lua.org/copyright.html">
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terms and conditions</a> as the Lua language, the MIT license. The idea is
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that if you can use Lua in a project, you should also be able to use
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LuaSocket.
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</p>
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<p>
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Copyright © 1999-2004 Tecgraf/PUC-Rio. All rights reserved. <br>
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Author: <A href="http://www.cs.princeton.edu/~diego">Diego Nehab</a>
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</p>
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<!-- download +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h2 id=download>Download</h2>
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<p>
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LuaSocket version 2.0 beta2 is now available for download! It is
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compatible with Lua 5.0 and has been tested on
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Windows XP, Linux, and Mac OS X.
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</p>
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<p>
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The library can be downloaded in source code from the following links:
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</p>
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<blockquote>
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<p>
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<a href="luasocket-2.0-beta2.tar.gz">luasocket-2.0-beta2.tar.gz</a> <br>
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<a href="luasocket-2.0-beta2.zip">luasocket-2.0-beta2.zip</a>
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</p>
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</blockquote>
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<p>
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Besides the full C and Lua source code for the library, the distribution
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contains several examples, this user's manual and the test procedures.
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</p>
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<p>
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I am also providing PC Win32 binaries for those that want to give
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LuaSocket a quick try:
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</p>
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<blockquote>
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<p>
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<a href="luasocket-2.0-beta2-win32.zip">luasocket-2.0-beta2-win32.zip</a>
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</p>
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</blockquote>
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<p>
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The quick and dirty way to use these binaries is to unpack everything into a
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directory, say <tt>c:\luasocket</tt> (include all Lua files from the
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LuaSocket distrbitution in the same directory too!).
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Then set <tt>LUA_INIT</tt> to load the <tt>lua.lua</tt> helper file:
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</p>
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<pre class=example>
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c:\luasocket\> set LUA_INIT=@lua.lua
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</pre>
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<p>
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From that directory, you can then run the interpreter and it should find all
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files it needs. To download this manual page from the Internet, for example,
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do the following:
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</p>
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<pre class=example>
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c:\luasocket\> lua
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Lua 5.0.2 Copyright (C) 1994-2004 Tecgraf, PUC-Rio
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> http = require"http"
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> print(http.request"http://www.tecgraf.puc-rio.br/luasocket/")
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--> this file
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</pre>
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<!-- thanks +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h2 id=thanks>Special thanks</h2>
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<p>
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Throughout LuaSocket's history, many people gave suggestions that helped
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improve it. For that, I thank the Lua community.
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Special thanks go to
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David Burgess, who has helped push the library to a new level of quality and
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from whom I have learned a lot of stuff that doesn't show up in RFCs.
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Special thanks also to Carlos Cassino, who played a big part in the
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extensible design seen in the C core of LuaSocket 2.0. Recently, Mike Pall
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has been helping a lot too! Thanks to you all!
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</p>
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<!-- whatsnew +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h2 id=new>What's New</h2>
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<p>
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Changes in the 2.0-beta2 were mostly bug-fixes.
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</p>
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<ul>
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<li> Fixed silly last-minute-change bug in HTTP/SMTP;
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<li> <tt>usocket.c</tt>/<tt>wsocket.c</tt> look nicer thanks to Mike;
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<li> Finally total timeout is reliable on Windows! (found a pretty
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simple work around);
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<li> UDP has a reasonable maximum datagram size (8k);
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<li> <tt>Receive</tt> accepts the prefix optional argument (good for
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non-blocking);
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<li> <b><tt>Send</tt> doesn't support multiple arguments anymore</b>;
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<li> Instead, <tt>send</tt> allows the selection of the substring
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to be sent (good for non-blocking);
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<li> Fixed bug that caused select return tables not to be associative
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on windows;
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<li> Should compile with g++;
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<li> New sample unix domain support;
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<li> New sample LPD support;
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<li> Comprehensive error messages;
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<li> New <tt>getstats</tt> and <tt>setstats</tt> methods to help throttling;
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<li> <tt>Listen</tt> defaults to 32 backlog;
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<li> SMTP/FTP/HTTP fail gracefully;
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<li> <tt>accept</tt>/<tt>connect</tt>/<tt>select</tt> interrupt safe
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<li> Fixed bug that didn't set accepted sockets as non-blocking
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<li> <b>New timming functions <tt>sleep</tt> and <tt>gettime</tt> have
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higher resolution and no wrap around problems</b>;
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<li> Bug fixes in the manual;
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<li> Fixed bug of missing cast in <tt>getfd</tt>.
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</ul>
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<!-- incompatible +++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h3 id=incompatible>Incompatibilities with previous versions</h3>
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<ul>
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<li> New <tt>send</tt> inteface doesn't send multiple arguments anymore;
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<li> <tt>Time</tt> is replaced by <tt>gettime</tt> with advantage.
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</ul>
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<!-- old ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h2 id=old>Old Versions</h2>
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<p>
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All previous versions of the LuaSocket library can be downloaded
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<a href="http://www.tecgraf.puc-rio.br/luasocket/old">here</a>. Although
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these versions are no longer supported, they are still available for
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those that have compatibility issues.
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</p>
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<!-- footer +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<div class=footer>
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<hr>
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<center>
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<p class=bar>
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<a href="home.html#down">download</a> ·
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<a href="introduction.html">introduction</a> ·
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<a href="reference.html">reference</a>
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</p>
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<p>
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<small>
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Last modified by Diego Nehab on <br>
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Thu Jun 17 02:47:14 EDT 2004
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</small>
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</p>
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</center>
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</div>
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</body>
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</html>
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