r->shutdown = ortp_shutdown;
r->open = ortp_recv_open;
r->close = ortp_recv_close;
r->pre_select = ortp_recv_pre_select;
r->post_select = ortp_recv_post_select;
r->parse_config = ortp_recv_parse_config;
r->shutdown = ortp_shutdown;
r->open = ortp_recv_open;
r->close = ortp_recv_close;
r->pre_select = ortp_recv_pre_select;
r->post_select = ortp_recv_post_select;
r->parse_config = ortp_recv_parse_config;