How do I print one bit?

Question

Please tell me how do I print a bit, like printf(\"%d\",bit);.

Answer 1

To print the m-th bit (m from 1..16 or 32) of n:

void print_bit(n, m)
{
    printf("%d", n & (1 << (m - 1)));
}

Remove the - 1 bit if your bit counter starts at 0.