1int compare(x, y)
2unsigned int x;
3unsigned int y;
4{
5   if (x==y)
6     return 0;
7   else
8     return 1;
9}
10
11main()
12{
13 unsigned int i, j, k, l;
14 i = 5; j = 2; k=0; l=2;
15 if (compare(5%(~(unsigned) 2), i%~j)
16     || compare(0, k%~l))
17    abort();
18 else
19    exit(0);
20}
21