1foo (a, b)
2{
3  return (a & (1 << b)) != 0;
4}
5
6bar (a, b)
7{
8  a ^= (1 << b);
9  return a != 0;
10}
11
12main ()
13{
14  int i;
15  for (i = 0; i < 32; i++)
16    printf ("%d ", foo (0x8000000f, i));
17  puts ("");
18}
19