/*
 * store_zeros.c
 * 
 * King, Ch. 12, Ex. 8, 274: rewrite
 * void store_zeros(int array[], int n)
 * using only pointers (no subscripts, [])
 */

#include <stdio.h>
#define SIZE 10

void store_zeros(int* array, int n);
void print_array(int* array, int n);

int main(){
  int my_array[SIZE];
  //store_zeros(&my_array, SIZE);

  printf(" -- before store_zeros --\n");
  printf(" my_array is %p \n", my_array);
  printf(" my_array[0] is %i \n", my_array[0]);
  printf("\n");

  print_array(my_array, SIZE);

  store_zeros(my_array, SIZE);    // Jim

  printf(" -- after store_zeros \n");
  printf(" my_array is %p \n", my_array);
  printf(" my_array[0] is %i \n", my_array[0]);
  print_array(my_array, SIZE);
  printf("\n");

  return 0;
}

void store_zeros(int* p2array, int n){
  int i;
  //for (p2array = 0; p2array < n; p2array++){
  for (i=0; i<n; i++){
    printf("  in store_zeros : p2array=%p, *p2array=%i \n", 
	   p2array, *p2array);
    *p2array = 0;
    p2array++;
  }
}

void print_array(int* array, int n){
  int i;
  printf("[");
  for (i=0; i<n; i++){
    printf("%i, ", *array);
    array++;
  }
  printf("]\n");
}