rfeedcnt
array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);
rfeeds [rfeedcnt++] = w;
ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents);
while (rfeedcnt);
VARx(int, rfeedcnt)
#define rfeedcnt ((loop)->rfeedcnt)