| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * Unified handling of special chars. |
| 3 | * |
| Heiko Carstens | a53c8fa | 2012-07-20 11:15:04 +0200 | [diff] [blame] | 4 | * Copyright IBM Corp. 2001 |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | * Author(s): Fritz Elfert <felfert@millenux.com> <elfert@de.ibm.com> |
| 6 | * |
| 7 | */ |
| 8 | |
| 9 | #include <linux/tty.h> |
| 10 | |
| 11 | extern unsigned int |
| 12 | ctrlchar_handle(const unsigned char *buf, int len, struct tty_struct *tty); |
| 13 | |
| 14 | |
| 15 | #define CTRLCHAR_NONE (1 << 8) |
| 16 | #define CTRLCHAR_CTRL (2 << 8) |
| 17 | #define CTRLCHAR_SYSRQ (3 << 8) |
| 18 | |
| 19 | #define CTRLCHAR_MASK (~0xffu) |