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<h1>Built-in functions</h1>
<p>Aside from class methods and properties of the script language, VMProtect offers to a user various functions to perform basic operations. There are general system functions to work with strings, dates and numbers, process the command line of an application and display messages; and specialized functions to work with the VMProtect core and watermarks:</p>
<ul>
<li><a href="http://www.lua.org/manual/5.2/manual.html#6.4">string</a></li>
<li><a href="http://www.lua.org/manual/5.2/manual.html#6.5">table</a></li>
<li><a href="http://www.lua.org/manual/5.2/manual.html#6.6">math</a></li>
<li><a href="http://www.lua.org/manual/5.2/manual.html#6.7">bit32</a></li>
<li><a href="http://www.lua.org/manual/5.2/manual.html#6.8">io</a></li>
<li><a href="http://www.lua.org/manual/5.2/manual.html#6.9">os</a></li>
<li><a href="#VMProtect">vmprotect</a></li>
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<a name="VMProtect"></a>
<pre class="code">
namespace vmprotect {
<a href="script_classes.htm#Core">Core</a> core(); // returns the VMProtect core
string extractFilePath(string name); // extracts the path of a file
string extractFileName(string name); // extracts the name of a file
string extractFileExt(string name); // extracts the extension of a file
table commandLine(); // returns the command line
<a href="script_classes.htm#FFILibrary">FFILibrary</a> openLib(string name); // opens a library
};
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