epoll_wait_common
error = epoll_wait_common(l, retval, epfd, eep, maxevents, tsp,
error = epoll_wait_common(l, retval, SCARG(uap, epfd), events,
error = epoll_wait_common(l, retval, SCARG(uap, epfd), events,
int epoll_wait_common(struct lwp *l, register_t *retval, int epfd,