#include<stdio.h>

#define MAX 100

//#define  

int Max(int x, int y)

{

if (x > y)

 return x;

else

 return y;

}

#define MAX(x,y) (x>y?x:y)

int main()  

{

int a = 10;

int b = 20;

int max = Max(a, b);

int* p=&a;  //取地址

printf("max=%d\n", max);

max = MAX(a, b);

printf("max=%d\n", max);

printf("%p\n", &a);//打印地址, %p,&a

printf("%p\n", p);

return 0;

}