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ioctl_tty.2: Update DTR example 

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>
This commit is contained in:
Pali Rohár 2021-08-08 10:41:24 +02:00 committed by Michael Kerrisk
parent d192b1c7b4
commit 95dedaa061
1 changed files with 2 additions and 1 deletions
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man2/ioctl_tty.2
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@ -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>