01 #include "stdafx.h"
02 03 void fun(int x, int y){ printf("Hello World!/n"); } 04 void fun2(int x, int y){ printf("Hello World!/n"); } 05 06 typedef void (*pDevCallBack)(int, int); 07 08 int main(int argc, char* argv[]) 09 { 10 printf("Hello World!/n"); 11 12 pDevCallBack CallBcck; 13 CallBcck = fun; 14 CallBcck(12, 12); 15 CallBcck = fun2; 16 CallBcck(12, 12); 17 18 void (*pX)(int, int); 19 pX = fun; 20 pX(12, 12); 21 pX = fun2; 22 pX(12, 12); 23 24 // ????????????????++?--?? 25 26 int n = 20; 27 //int const * a = &n; 28 const int * a =&n; 29 // a++; 30 31 int i = 10; 32 int * const b = &i; 33 *b = 2; 34 35 return 0; 36 } 37