ev_check
ev_check_start (EV_P_ ev_check *w) EV_THROW
array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
ev_check_stop (EV_P_ ev_check *w) EV_THROW
EV_WATCHER (ev_check)
ev_check check; /* unused */
struct ev_check check;
EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_THROW;
EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_THROW;
VARx(struct ev_check **, checks)