Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

===================================================================
RCS file: /ftp/cvs/cvsroot/src/sys/sys/tty.h,v
rcsdiff: /ftp/cvs/cvsroot/src/sys/sys/tty.h,v: warning: Unknown phrases like `commitid ...;' are present.
retrieving revision 1.102
retrieving revision 1.103
diff -u -p -r1.102 -r1.103
--- src/sys/sys/tty.h	2022/10/25 23:21:13	1.102
+++ src/sys/sys/tty.h	2022/10/26 23:41:49	1.103
@@ -1,4 +1,4 @@
-/*	$NetBSD: tty.h,v 1.102 2022/10/25 23:21:13 riastradh Exp $	*/
+/*	$NetBSD: tty.h,v 1.103 2022/10/26 23:41:49 riastradh Exp $	*/
 
 /*-
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -319,6 +319,10 @@ int	 tty_unit(dev_t);
 void	 tty_acquire(struct tty *);
 void	 tty_release(struct tty *);
 
+void	 ttylock(struct tty *);
+void	 ttyunlock(struct tty *);
+bool	 ttylocked(struct tty *);
+
 int	clalloc(struct clist *, int, int);
 void	clfree(struct clist *);