1typedef struct
2  {
3    long i;
4    double f;
5  } T;
6
7f (T *n1, T *n2)
8{
9  if (g (n2))
10    return n1->i - n2->i;
11  else
12    {
13      double f = n1->f - n2->i;
14      return f == 0.0 ? 0 : (f > 0.0 ? 1 : -1);
15    }
16}
17