Hooking Functions

Hook Function:

<function> hookfunction(<function> old, <function> new)  

• Hooks function old, replacing it with the function new. The old function is returned, you must use this function in order to call the original function.

Hook Metamethod:

<function> hookmetamethod(<Object> object, <string> metamethod, <function> a1)  

• Hooks the metamethod passed in object's metatable with a1.

New C Closure:

<function> newcclosure(<function> a1)  

• Pushes a new CClosure that invokes the function a1 upon call.