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-rw-r--r--src/systemd/sd-login.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/systemd/sd-login.h b/src/systemd/sd-login.h
index 6bd1f2da4..3746b45cf 100644
--- a/src/systemd/sd-login.h
+++ b/src/systemd/sd-login.h
@@ -108,6 +108,9 @@ int sd_session_get_class(const char *session, char **clazz);
/* 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);