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'''A:''' The pointer can't be dereferenced, because the compiler will not know how much of the memory is devoted to that particular value. For example if one has 8 bytes in memory with values in it, they are interpreted differently as int (2x 4 byte ints) and double (1x 8byte double). Without a data type the value cannot be determined therefore casting must be done first.

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'''Q:''' Can a functional pointer be used to point to an overloaded function? If so, which function will it call when the pointer is dereferenced and why?

'''A:'''Function Pointer can be used to point to any function with the same signature as its own.<br>