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