kern_pselect
error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp,
error = kern_pselect(td, nfds, readfds, writefds,
return (kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp,
int kern_pselect(struct thread *td, int nd, fd_set *in, fd_set *ou,