548     void *arg)  argument
564 		if ((r = fn(base, fd, ctx, arg)))
587     void *arg)  argument
597 		if ((r = fn(base, signum, ctx, arg)))
608     struct evmap_io *ctx, void *arg)  argument
612 	int *result = arg;
640     int signum, struct evmap_signal *ctx, void *arg)  argument
643 	int *result = arg;
679     struct evmap_io *io_info, void *arg)  argument
687     struct evmap_signal *sig_info, void *arg)  argument
737 	evutil_socket_t fd, struct evmap_io *io, void *arg)  argument
953     struct evmap_io *io_info, void *arg)  argument
986     int signum, struct evmap_signal *sig_info, void *arg)  argument
1015 	void *arg;  member
1022     struct evmap_io *io_info, void *arg)  argument
1024 	struct evmap_foreach_event_helper *h = arg;
1028 		if ((r = h->fn(base, ev, h->arg)))
1038     struct evmap_signal *sig_info, void *arg)  argument
1041 	struct evmap_foreach_event_helper *h = arg;
1044 		if ((r = h->fn(base, ev, h->arg)))
1052     event_base_foreach_event_cb fn, void *arg)  argument
1057 	h.arg = arg;