#include <stdio.h>
 
void tally(int number, int output[][2]);  /* variable length */
 
int main() {
  int array[4][2];
  array[0][1] = 4;
  array[1][1] = 3;
  array[2][1] = 2;
  array[3][1] = 1;
 
  tally(2, array);
  tally(2, array);
  tally(1, array);
  tally(4, array);
 
  printf("%d, %d, %d, %d\n", array[0][0], array[1][0], array[2][0],
                             array[3][0]);
 
  return 0;
}
 
void tally(int number, int output[][2]) {
/* This function will find a number on the second row, and tally (add 1) to its equivalent place on the first row. */
 
  int count = 0;
 
  while(1) {
    if(output[count][1] == number) {
      output[count][0]++;
      return;
    }
    count++;
  }
}

-1074781680, -1074781672, -1074781664, -1074781656