.h"
</pre>
<p>
Or for C++ code:
</p>
<pre class="code">
#include "lua.hpp"
</pre>

<h2 id="luaJIT_setmode"><tt>luaJIT_setmode(L, idx, mode)</tt>
&mdash; Control VM</h2>
<p>
This is a C API extension to allow control of the VM from C code. The
full prototype of <tt>LuaJIT_setmode</tt> is:
</p>
<pre class="code">
LUA_API int luaJIT_setmode(lua_State *L, int idx, int mode);
</pre>
<p>
The returned status is either success (<tt>1</tt>) or failure (<tt>0</tt>).
The second argument is either <tt>0</tt> or a stack