VAR (method_modify, void (*method_modify)(EV_P_ int fd, int oev, int nev))
VAR (method_poll , void (*method_poll)(EV_P_ ev_tstamp timeout))
+VARx(int, postfork) /* true if we need to recreate kernel state after fork */
VARx(int, activecnt) /* number of active events */
#if EV_USE_SELECT || EV_GENWRAP