Registering C funcs with args

[Jose Mendoza <joseymendoza@...>]

Hi! I'm new to Lua, and I was wondering, how do you
register C functions with arguments in Lua? I've read
the reference manual, and I think there's no example
of that there. 

BOOL DisplayString(lua_State * L, const char
*pString);

How would you register something like this? Or is
wrong in the first place? The original function was
without the lua_State (obviously).

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