Function Pointer query

[bolabala]

Hello All,

A small query regarding function pointers,
I just want to know whether it is possible to store functions having different prototypes in an array of function pointers.
I know that an array of function pointers can contain functions of the same prototype but want to know if by other means i can able to access these functions (having different prototype) using an array indirection.

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An simple eg
Function 1 --->  void AddfnInt (int num1,int num2);
Function 2 --->  void Addfnfloat (float num1,float num2);
 
I have to store these functions in an array of function pointers
or by any way access these functions using an array indirection.
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Thanks in advance,
bolabala

[JosAH]

Sure you can do that; simply cast every function pointer to, say:

typedef void (*func_t)(void);

and store them all in an array. You have to cast that func_t back again to a
pointer to a function of the correct type before you can use it; and here's the
catch: given just an index value, how do you know to what type you have to
cast that pointer?

Maybe you can unify all those functions to varargs functions?

kind regards,

Jos