From 95dedaa0614915ac91a7175359f17fa8bb54614c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org>
Date: Sun, 8 Aug 2021 10:41:24 +0200
Subject: [PATCH] ioctl_tty.2: Update DTR example
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Do not include unused (and incompatible) header file termios.h and
include required header files for puts() and close() functions.

Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man2/ioctl_tty.2 | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/man2/ioctl_tty.2 b/man2/ioctl_tty.2
index 46294e63f..de6d1c839 100644
--- a/man2/ioctl_tty.2
+++ b/man2/ioctl_tty.2
@@ -701,7 +701,8 @@ Insufficient permission.
 Check the condition of DTR on the serial port.
 .PP
 .EX
-#include <termios.h>
+#include <stdio.h>
+#include <unistd.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>