drivers/s390/char/ctrlchar.h

   1 /*
   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
  12 extern unsigned int
  13 ctrlchar_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)