#include <stdio.h>

int main()
{
   int * ptr1, *ptr2;		// two pointers to int
   double * dptr;		// a pointer to double

   printf("The value of ptr1 = %p\n", ptr1);
   printf("The value of ptr2 = %p\n", ptr2);
   printf("The value of dptr = %p\n", dptr);

   // DANGEROUS!  We are de-referencing uninitialized pointers
   printf("*ptr1 = %d\n", *ptr1);
   printf("*ptr2 = %d\n", *ptr2);
   printf("*dptr = %f\n", *dptr);

   return 0;
}