1 struct 2 { 3 unsigned int f1:1, f2:1, f3:3, f4:3, f5:2, f6:1, f7:1; 4 } result = {1, 1, 7, 7, 3, 1, 1}; 5 main()6 main () 7 { 8 if ((result.f3 & ~7) != 0 || (result.f4 & ~7) != 0) 9 abort (); 10 exit (0); 11 } 12