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