typedef int (*rad_listen_recv_t)(rad_listen_t *, RAD_REQUEST_FUNP *, REQUEST **);
typedef int (*rad_listen_send_t)(rad_listen_t *, REQUEST *);
typedef int (*rad_listen_recv_t)(rad_listen_t *, RAD_REQUEST_FUNP *, REQUEST **);
typedef int (*rad_listen_send_t)(rad_listen_t *, REQUEST *);