Mine

#include <stdio.h>
#include <stdlib.h>

int
main(int argc, char **argv)
{
  int i, j;
  if (argc != 3)
  {
    printf("Supply two integers.\n");
    return 1;
  }
  i = atoi(argv[1]);
  j = atoi(argv[2]);
  printf("%d / %d = %d\n", i, j, i / j);

  return 0;
}