study of pointers - 2.

#include <stdio.h>

int main(void)
{
int *p1, *p2, num;

num = 500;

printf("\nnum = %d", num);

p1 = &num;

printf("\nnum = %d\t*p1 = %d", num, *p1);

p2 = p1;
*p1 = 250;

printf("\nnum = %d\t*p1 = %d\t*p2 = %d", num, *p1, *p2);

*p2 = 750;

printf("\nnum = %d\t*p1 = %d\t*p2 = %d", num, *p1, *p2);


return 0;
}