blob: 935ffa0ea7c6b6dec71bab6ff76f76531a80470b [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * drivers/s390/char/ctrlchar.c
3 * Unified handling of special chars.
4 *
5 * Copyright (C) 2001 IBM Deutschland Entwicklung GmbH, IBM Corporation
6 * Author(s): Fritz Elfert <felfert@millenux.com> <elfert@de.ibm.com>
7 *
8 */
9
10#include <linux/tty.h>
11
12extern unsigned int
13ctrlchar_handle(const unsigned char *buf, int len, struct tty_struct *tty);
14
15
16#define CTRLCHAR_NONE (1 << 8)
17#define CTRLCHAR_CTRL (2 << 8)
18#define CTRLCHAR_SYSRQ (3 << 8)
19
20#define CTRLCHAR_MASK (~0xffu)