#include <stdio.h>

int main(void) {
   int i = 23;
   int *j = &i;
   int **k = &j;

   printf("i is stored at %p and has value %d.\n", &i, i);
   printf("j is stored at %p and has value %p.\n", &j, j);
   printf("k is stored at %p and has value %p.\n", &k, k);

   i++; // what happens if we do i, j, k, (*j), (*k), or (**k) here?
   //j -= 4;
   //(*j) -= 2;

   printf("i is stored at %p and has value %d.\n", &i, i);
   printf("j is stored at %p and has value %p.\n", &j, j);
   printf("k is stored at %p and has value %p.\n", &k, k);

   return 0;
}