#include "stdio.h"
#include "stdlib.h"

int main(){
 int x = 1, y = 2, z[10]={10};

 int *ip; 	// ip is a pointer to int
 ip = &x; 	// ip now points to x
 y = *ip; 	// y is now 1
 printf("%d\n",y);
 *ip = 0; 	// x is now 0
 printf("%d\n",x);
 ip = &z[0]; 	// ip now points to z[0]
 printf("%d\n",*ip);

 return 0;
}