foo(p)1 foo (p) 2 int *p; 3 { 4 return (*p & 255) == 0; 5 } 6 bar(a)7 bar (a) 8 { 9 return (a & 0xfff00000) == 0; 10 } 11 main()12 main () 13 { 14 printf ("%d%d\n", bar (-1), bar(0)); 15 } 16