Add a number of new formats to inspect what sessions and clients a

window is present or active in. From Tyler Culp in GitHub issue 2034.

1 files changed, 1 insertions, 0 deletions

diff --git a/tmux.h b/tmux.h
index 72be101b..2315f643 100644
--- a/tmux.h
+++ b/tmux.h
@@ -2689,6 +2689,7 @@ void		 session_group_add(struct session_group *, struct session *);
 void		 session_group_synchronize_to(struct session *);
 void		 session_group_synchronize_from(struct session *);
 u_int		 session_group_count(struct session_group *);
+u_int		 session_group_attached_count(struct session_group *);
 void		 session_renumber_windows(struct session *);
 
 /* utf8.c */