+#define IS_ERROR(code) (KB_ROLL_OVER <= (code) && (code) <= KB_UNDEFINED)
+#define IS_KEY(code) (KB_A <= (code) && (code) <= KB_EXSEL)
+#define IS_MOD(code) (KB_LCTRL <= (code) && (code) <= KB_RGUI)
+#define IS_FN(code) (KB_FN0 <= (code) && (code) <= KB_FN7)
+#define IS_MOUSEKEY(code) (KB_MS_UP <= (code) && (code) <= KB_MS_WH_RIGHT)
+#define IS_MOUSEKEY_MOVE(code) (KB_MS_UP <= (code) && (code) <= KB_MS_RIGHT)
+#define IS_MOUSEKEY_BUTTON(code) (KB_MS_BTN1 <= (code) && (code) <= KB_MS_BTN5)
+#define IS_MOUSEKEY_WHEEL(code) (KB_MS_WH_UP <= (code) && (code) <= KB_MS_WH_RIGHT)
+
+#define MOD_BIT(code) (1<<((code) & 0x07))
+#define FN_BIT(code) (1<<((code) - KB_FN0))
+
+
+/* Short names */
+#define KB_LCTL KB_LCTRL
+#define KB_RCTL KB_RCTRL
+#define KB_LSFT KB_LSHIFT
+#define KB_RSFT KB_RSHIFT
+#define KB_ESC KB_ESCAPE
+#define KB_BSPC KB_BSPACE
+#define KB_ENT KB_ENTER
+#define KB_DEL KB_DELETE
+#define KB_INS KB_INSERT
+#define KB_CAPS KB_CAPSLOCK
+#define KB_RGHT KB_RIGHT
+#define KB_PGDN KB_PGDOWN
+#define KB_PSCR KB_PSCREEN
+#define KB_SLCK KB_SCKLOCK
+#define KB_BRK KB_BREAK
+#define KB_NLCK KB_NUMLOCK
+#define KB_SPC KB_SPACE
+#define KB_MINS KB_MINUS
+#define KB_EQL KB_EQUAL
+#define KB_GRV KB_GRAVE
+#define KB_RBRC KB_RBRACKET
+#define KB_LBRC KB_LBRACKET
+#define KB_COMM KB_COMMA
+#define KB_BSLS KB_BSLASH
+#define KB_SLSH KB_SLASH
+#define KB_SCLN KB_SCOLON
+#define KB_QUOT KB_QUOTE
+#define KB_APP KB_APPLICATION
+#define KB_NUHS KB_NONUS_HASH
+#define KB_NUBS KB_NONUS_BSLASH
+/* for Japanese */
+#define KB_ZKHK KB_GRAVE
+#define KB_RO KB_INT1
+#define KB_KANA KB_INT2
+#define KB_JYEN KB_INT3
+#define KB_HENK KB_INT4
+#define KB_MHEN KB_INT5
+/* Keypad */
+#define KB_P1 KB_KP_1
+#define KB_P2 KB_KP_2
+#define KB_P3 KB_KP_3
+#define KB_P4 KB_KP_4
+#define KB_P5 KB_KP_5
+#define KB_P6 KB_KP_6
+#define KB_P7 KB_KP_7
+#define KB_P8 KB_KP_8
+#define KB_P9 KB_KP_9
+#define KB_P0 KB_KP_0
+#define KB_PDOT KB_KP_DOT
+#define KB_PSLS KB_KP_SLASH
+#define KB_PAST KB_KP_ASTERISK
+#define KB_PMNS KB_KP_MINUS
+#define KB_PPLS KB_KP_PLUS
+#define KB_PEQL KB_KP_EQUAL
+#define KB_PENT KB_KP_ENTER
+/* Mousekey */
+#define KB_MS_U KB_MS_UP
+#define KB_MS_D KB_MS_DOWN
+#define KB_MS_L KB_MS_LEFT
+#define KB_MS_R KB_MS_RIGHT
+#define KB_BTN1 KB_MS_BTN1
+#define KB_BTN2 KB_MS_BTN2
+#define KB_BTN3 KB_MS_BTN3
+#define KB_BTN4 KB_MS_BTN4
+#define KB_BTN5 KB_MS_BTN5
+#define KB_WH_U KB_MS_WH_UP
+#define KB_WH_D KB_MS_WH_DOWN
+#define KB_WH_L KB_MS_WH_LEFT
+#define KB_WH_R KB_MS_WH_RIGHT
+/* Sytem Control & Consumer usage */
+#define KB_PWR KB_SYSTEM_POWER
+#define KB_SLEP KB_SYSTEM_SLEEP
+#define KB_WAKE KB_SYSTEM_WAKE
+#define KB_MUTE KB_AUDIO_MUTE
+#define KB_VOLU KB_AUDIO_VOL_UP
+#define KB_VOLD KB_AUDIO_VOL_DOWN
+#define KB_MNXT KB_MEDIA_NEXT_TRACK
+#define KB_MPRV KB_MEDIA_PREV_TRACK
+#define KB_MSTP KB_MEDIA_STOP
+#define KB_MPLY KB_MEDIA_PLAY_PAUSE
+#define KB_MSEL KB_MEDIA_SELECT
+#define KB_MAIL KB_MAIL
+#define KB_CALC KB_CALCULATOR
+#define KB_MYCM KB_MY_COMPUTER
+#define KB_WSCH KB_WWW_SEARCH
+#define KB_WHOM KB_WWW_HOME
+#define KB_WBAK KB_WWW_BACK
+#define KB_WFWD KB_WWW_FORWARD
+#define KB_WSTP KB_WWW_STOP
+#define KB_WREF KB_WWW_REFRESH
+#define KB_WFAV KB_WWW_FAVORITES
+
+
+/* Special keycode */
+enum special_keycodes {
+ /* System Control */
+ KB_SYSTEM_POWER = 0xB0,
+ KB_SYSTEM_SLEEP,
+ KB_SYSTEM_WAKE,
+
+ /* Consumer Page */
+ KB_AUDIO_MUTE,
+ KB_AUDIO_VOL_UP,
+ KB_AUDIO_VOL_DOWN,
+ KB_MEDIA_NEXT_TRACK,
+ KB_MEDIA_PREV_TRACK,
+ KB_MEDIA_STOP,
+ KB_MEDIA_PLAY_PAUSE,
+ KB_MEDIA_SELECT,
+ KB_MAIL,
+ KB_CALCULATOR,
+ KB_MY_COMPUTER,
+ KB_WWW_SEARCH,
+ KB_WWW_HOME,
+ KB_WWW_BACK, /* 0xC0 */
+ KB_WWW_FORWARD,
+ KB_WWW_STOP,
+ KB_WWW_REFRESH,
+ KB_WWW_FAVORITES,
+
+ /* reserve 0xE0-E7 for Modifiers */
+
+ /* Layer Switching */
+ KB_FN0 = 0xE8,
+ KB_FN1,
+ KB_FN2,
+ KB_FN3,
+ KB_FN4,
+ KB_FN5,
+ KB_FN6,
+ KB_FN7,
+
+ /* Mousekey */
+ KB_MS_UP = 0xF0,
+ KB_MS_DOWN,
+ KB_MS_LEFT,
+ KB_MS_RIGHT,
+ KB_MS_BTN1,
+ KB_MS_BTN2,
+ KB_MS_BTN3,
+ KB_MS_BTN4,
+ KB_MS_BTN5,
+ /* Mousekey wheel */
+ KB_MS_WH_UP,
+ KB_MS_WH_DOWN,
+ KB_MS_WH_LEFT,
+ KB_MS_WH_RIGHT,
+};
+