#include <stdio.h>

int j, k;
int *ptr;


int main(void)
{
   j = 1;
   k = 2;
   ptr = &k;
   printf("\n");
   printf("j has the value %d and is stored at %p\n",j,&j);
   printf("k has the value %d and is stored at %p\n",k,&k);
   printf("ptr has the value %p and is stored at %p\n",ptr,&ptr);
   printf("The value of the integer pointed to by ptr is %d\n",
           *ptr);
   return 0;
}
.