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Alex Rivera
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There is a C library (which I cannot change) that supports a callback function of the type void (*callback)(void *appContext, int eventid) I want to set a C++ function as the callback. Specifically I have following questions? Do I need to declare the callback function under "extern C" block? Does a member function need to be static to be the callback function? Is it possible to use a non-static member function? If yes, how? And when is it recommended to use a non-static member function? Does it matter if the function is a template function or not? Does a non-class C style function have any advantages over a class member function? I am trying these variants on a old VC++ compiler, which does not support the latest C++ standard. But the code needs to be platform independent and should work on most C++ compilers. I want to know what is recommended practice with callbacks?
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