function pointer

Declaration & Initialization

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return-type (*function-pointer-name)(param1-type, param2-type, ...) = XXX

(ex1) General :  int (*fp)(double, double) = 0x00;

(ex2) Class Member function :  int (TmpClass::* fp2)(double, double) = 0x00;

(ex3) Class const Member function :  int (TmpClass::* fp3)(double, double) const = 0x00;