nfds_t
poll_intrsafe(struct pollfd *fds, nfds_t nfds, int timeout)
poll(struct pollfd *fds, nfds_t nfds, int timeout)
ppoll(struct pollfd *fds, nfds_t nfds,
nfds_t n, i;
nfds_t saved_max_pollfd = 0;
int poll(struct pollfd[], nfds_t, int);
int ppoll(struct pollfd[], nfds_t, const struct timespec * __restrict, const sigset_t * __restrict);
nfds_t nfds;
nfds_t lnfds;