LXR linux/drivers/s390/char/ctrlchar.h

   1/*
   2 *  Unified handling of special chars.
   3 *
   4 *    Copyright IBM Corp. 2001
   5 *    Author(s): Fritz Elfert <felfert@millenux.com> <elfert@de.ibm.com>
   6 *
   7 */
   8
   9#include <linux/tty.h>
  10
  11extern unsigned int
  12ctrlchar_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)
  20