void minAndMax(int array[], int *min, int *max, int size)
{
  int i;
  (*min) = array[0];
  (*max) = array[0];
  for(i = 1; i<size; i++)
    {
      if (array [i] > (*max))
	(*max) = array [i];
      if(array [i] < (*min))
	    (*min) = array [i];
    }
}

int main(void)
{
  int nums[]={13, 18 , 20, 2, 6, 98};
  
  int small, large;

  minAndMax(nums, &small, &large, 6);

  printf("small=%d large=%d\n",small, large);

}