함수 포인터

일반 함수

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void main(void) {     typedef int(*FUN_POINT_PRINTF)(const char*, ...);       FUN_POINT_PRINTF _printf = printf;       _printf("%s world !!!\n", "hello");       }

클래스 내에 맴버 함수

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class member_func { public:     int func(const char* string)     {         return printf(string);     } };   void main(void) {     typedef int(member_func::*FUN_POINT_PRINTF)(const char*);       FUN_POINT_PRINTF _func = &member_func::func;       member_func member_func_obj;     (member_func_obj.*_func)("hello world !!!\n"); }

함수 포인터를 클래스로 wapper

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class wrapper_func {     typedef int(*FUN_POINT_PRINTF)(const char*, ...); public:     wrapper_func(FUN_POINT_PRINTF func_point_printf) : func_point_printf_(func_point_printf)     {}       int operator() (const char* string)     {         return func_point_printf_(string);     } private:     FUN_POINT_PRINTF func_point_printf_; };   void main(void) {     wrapper_func wapper(printf);       wapper("hello world !!!\n"); }