2 * drivers/s390/char/ctrlchar.c
3 * Unified handling of special chars.
5 * Copyright (C) 2001 IBM Deutschland Entwicklung GmbH, IBM Corporation
6 * Author(s): Fritz Elfert <felfert@millenux.com> <elfert@de.ibm.com>
10 #include <linux/tty.h>
13 ctrlchar_handle(const unsigned char *buf, int len, struct tty_struct *tty);
16 #define CTRLCHAR_NONE (1 << 8)
17 #define CTRLCHAR_CTRL (2 << 8)
18 #define CTRLCHAR_SYSRQ (3 << 8)
20 #define CTRLCHAR_MASK (~0xffu)