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| 1 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> | ||
| 2 | <html> | ||
| 3 | <head> | ||
| 4 | <title>FFI Tutorial</title> | ||
| 5 | <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> | ||
| 6 | <meta name="Author" content="Mike Pall"> | ||
| 7 | <meta name="Copyright" content="Copyright (C) 2005-2011, Mike Pall"> | ||
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| 15 | </div> | ||
| 16 | <div id="head"> | ||
| 17 | <h1>FFI Tutorial</h1> | ||
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| 30 | <a href="ext_ffi.html">FFI Library</a> | ||
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| 32 | <a class="current" href="ext_ffi_tutorial.html">FFI Tutorial</a> | ||
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| 38 | <a href="ext_ffi_semantics.html">FFI Semantics</a> | ||
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| 58 | <div id="main"> | ||
| 59 | <p> | ||
| 60 | TODO | ||
| 61 | </p> | ||
| 62 | |||
| 63 | <h2 id="load">Loading the FFI Library</h2> | ||
| 64 | <p> | ||
| 65 | The FFI library is built into LuaJIT by default, but it's not loaded | ||
| 66 | and initialized by default. The suggested way to use the FFI library | ||
| 67 | is to add the following to the start of every Lua file that needs one | ||
| 68 | of its functions: | ||
| 69 | </p> | ||
| 70 | <pre class="code"> | ||
| 71 | local ffi = require("ffi") | ||
| 72 | </pre> | ||
| 73 | <p> | ||
| 74 | Please note this doesn't define an <tt>ffi</tt> variable in the table | ||
| 75 | of globals — you really need to use the local variable. The | ||
| 76 | <tt>require</tt> function ensures the library is only loaded once. | ||
| 77 | </p> | ||
| 78 | |||
| 79 | <h2>TODO</h2> | ||
| 80 | <br class="flush"> | ||
| 81 | </div> | ||
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| 84 | Copyright © 2005-2011 Mike Pall | ||
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| 86 | · | ||
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