
Listing 2

void find_min_max(one, two, three, minimum, maximum)
   int one, two, three;  /* Input values to compare */
   int *minimum;    
   int *maximum;
       {
       if (one > two)
           {
           if (one > three)
               *maximum = one;
           else
               *maximum = three;
           if (two > three)
               *minimum = three;
           else
               *minimum = two;
       else
           {
           if (two > three)
               *maximum = two;
           else
               *maximum = three;
           if (one > three)
               *minimum = three;
           else
               *minimum = one;
           }
       return ;
       }
