Add a format for number of bytes writtent to client, useful for debugging.

1 files changed, 1 insertions, 0 deletions

diff --git a/tmux.h b/tmux.h
index 482f3c74..c472a763 100644
--- a/tmux.h
+++ b/tmux.h
@@ -1043,6 +1043,7 @@ struct tty {
 	struct evbuffer	*in;
 	struct event	 event_out;
 	struct evbuffer	*out;
+	size_t		 written;
 
 	struct termios	 tio;