#include <stdio.h>

int main () {

  int i;    // regular integer variable
  int *ip;  // pointer to an integer variable                  

  i = 51;
  ip = &i;  // get address of i and store it in ip

  printf( "address of i is %p\n", &i, &i);

  printf( "value stored at the address %p is %d\n", ip, *ip);

  return 0;
}