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Drafting wrapper

http://diendan.congdongcviet.com/threads/t25204::con-tro-ham-trong-c-cpp-function-pointer.cpp

Chức năng chính là gì?
void SpeakSomeThing(void *Handle, (pCallback*) pfCallback (int req, char *ptext))
{
       pfCallback(req,ptext); //hàm chức năng chính
}


http://en.wikipedia.org/wiki/Wrapper_function

Example
http://en.wikipedia.org/wiki/Wrapper_library#Cross_Language.2FRuntime_Interoperability

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