1 files changed, 1 insertions, 0 deletions
diff --git a/tmux.h b/tmux.h
index 576c4977..642d5530 100644
--- a/tmux.h
+++ b/tmux.h
@@ -1330,6 +1330,7 @@ void	environ_set(struct environ *, const char *, const char *);
 void	environ_put(struct environ *, const char *);
 void	environ_unset(struct environ *, const char *);
 void	environ_update(const char *, struct environ *, struct environ *);
+void	environ_push(struct environ *);
 
 /* tty.c */
 void	tty_raw(struct tty *, const char *);