732     int k = fdn->fde_ndx;  in fdevent_poll_event_del()  local
733     if ((uint32_t)k >= ev->used || ev->pollfds[k].fd != fd)  in fdevent_poll_event_del()
736     ev->pollfds[k].fd = -1;  in fdevent_poll_event_del()
746     ev->unused.ptr[ev->unused.used++] = k;  in fdevent_poll_event_del()
755     int k = fdn->fde_ndx;  in fdevent_poll_event_set()  local
761     if (k >= 0) {  in fdevent_poll_event_set()
762         if ((uint32_t)k >= ev->used || ev->pollfds[k].fd != fd)  in fdevent_poll_event_set()
764         ev->pollfds[k].events = events;  in fdevent_poll_event_set()
769         k = ev->unused.ptr[--ev->unused.used];  in fdevent_poll_event_set()
778         k = ev->used++;  in fdevent_poll_event_set()
781     fdn->fde_ndx = k;  in fdevent_poll_event_set()
782     ev->pollfds[k].fd = fd;  in fdevent_poll_event_set()
783     ev->pollfds[k].events = events;  in fdevent_poll_event_set()