1  test_opt (a, b)
       2       unsigned a, b;
       3  {
       4    a = a / b;
       5    if (a == 0)
       6      a++;
       7    return a;
       8  }
       1  test_opt (a, b)
       2       unsigned a, b;
       3  {
       4    a = a / b;
       5    if (a == 0)
       6      a++;
       7    return a;
       8  }