src/libkeymap/modifiers.h

#ifndef _MODIFIERS_H
#define _MODIFIERS_H

#include  <linux/keyboard.h>

#define M_PLAIN  0
#define M_SHIFT  (1 << KG_SHIFT)
#define M_CTRL   (1 << KG_CTRL)
#define M_ALT    (1 << KG_ALT)
#define M_ALTGR  (1 << KG_ALTGR)
#define M_SHIFTL (1 << KG_SHIFTL)
#define M_SHIFTR (1 << KG_SHIFTR)
#define M_CTRLL  (1 << KG_CTRLL)
#define M_CTRLR  (1 << KG_CTRLR)
#define M_CAPSSHIFT (1 << KG_CAPSSHIFT)

typedef struct {
	const char *name;
	const int bit;
} modifier_t;

extern const modifier_t modifiers[];

#endif /* _MODIFIERS_H */