From 0e61ffa7922c30f66145aaa73c443307b8997dd3 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Wed, 2 Dec 2015 20:50:13 +0100
Subject: [PATCH] tty_ioctl.4: Note that TIOCTTYGSTRUCT went away in Linux
 2.5.67

Reported-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man4/tty_ioctl.4 | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/man4/tty_ioctl.4 b/man4/tty_ioctl.4
index 53645d826..f1c140e8d 100644
--- a/man4/tty_ioctl.4
+++ b/man4/tty_ioctl.4
@@ -479,6 +479,15 @@ Get the
 .I tty_struct
 corresponding to
 .IR fd .
+This command was removed in Linux 2.5.67.
+.\"     commit b3506a09d15dc5aee6d4bb88d759b157016e1864
+.\"     Author: Andries E. Brouwer <andries.brouwer@cwi.nl>
+.\"     Date:   Tue Apr 1 04:42:46 2003 -0800
+.\"
+.\"     [PATCH] kill TIOCTTYGSTRUCT
+.\"
+.\"     Only used for (dubious) debugging purposes, and exposes
+.\"     internal kernel state.
 .\"
 .\" .SS Serial info
 .\" .BR "#include <linux/serial.h>"