FD_SET
#undef FD_SET
#define FD_SET(fd, maskp) \
# undef FD_SET
# define FD_SET(n, set) kludge_FD_SET(n, set)
#define FD_SET(n, p) ((p)->fds_bits[0] |= (1<<(n)))
#define FD_SET(n, p) \
#define FD_SET(n, p) ((p)->fds_bits[0] |= (1<<(n)))
#define FD_SET(f, x) (*(x) = 1<<f)