/* Determine the X11 display of this session. */
int sd_session_get_display(const char *session, char **display);
+/* Determine the TTY of this session. */
+int sd_session_get_tty(const char *session, char **display);
+
/* Return active session and user of seat */
int sd_seat_get_active(const char *seat, char **session, uid_t *uid);