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