#include <stdio.h>

int main(void) {
  unsigned int a, *a_ptr;

  a = 5;
  a_ptr = &a;
  printf("a is %d.  a_ptr is %d.  *a_ptr is %p.  &a_ptr is %p.  &a is %0\n", a,  *a_ptr, a_ptr, &a);
}