keyboard.h

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#ifndef __LINUX_KEYBOARD_H
#define __LINUX_KEYBOARD_H

#include <uapi/linux/keyboard.h>

struct notifier_block;
extern unsigned short *key_maps[MAX_NR_KEYMAPS];
extern unsigned short plain_map[NR_KEYS];

struct keyboard_notifier_param {
    struct vc_data *vc; /* VC on which the keyboard press was done */
    int down;       /* Pressure of the key? */
    int shift;      /* Current shift mask */
    int ledstate;       /* Current led state */
    unsigned int value; /* keycode, unicode value or keysym */
};

extern int register_keyboard_notifier(struct notifier_block *nb);
extern int unregister_keyboard_notifier(struct notifier_block *nb);
#endif