extern "C" {
void cb_io (struct ev_io *w, int revents) { (*static_cast<io *>(w))(revents); }
void cb_timer (struct ev_timer *w, int revents) { (*static_cast<timer *>(w))(revents); }
+ #if EV_PERIODICS
void cb_periodic (struct ev_periodic *w, int revents) { (*static_cast<periodic *>(w))(revents); }
+ #endif
void cb_idle (struct ev_idle *w, int revents) { (*static_cast<idle *>(w))(revents); }
void cb_prepare (struct ev_prepare *w, int revents) { (*static_cast<prepare *>(w))(revents); }
void cb_check (struct ev_check *w, int revents) { (*static_cast<check *>(w))(revents); }