减少指针

#include <stdio.h>



const int MAX = 3;



int main () {



   int  var[] = {10, 100, 200};

   int  i, *ptr;



   /* let us have array address in pointer */

   ptr = &var[MAX-1];



   for ( i = MAX; i > 0; i--) {



      printf("Address of var[%d] = %x\n", i-1, ptr );

      printf("Value of var[%d] = %d\n", i-1, *ptr );



      /* move to the previous location */

      ptr--;

   }



   return 0;

}