-uint8_t host_keyboard_leds(void);
-
-/* keyboard report operations */
-void host_add_key(uint8_t key);
-void host_del_key(uint8_t key);
-void host_add_mod_bit(uint8_t mod);
-void host_del_mod_bit(uint8_t mod);
-void host_set_mods(uint8_t mods);
-void host_add_code(uint8_t code);
-void host_del_code(uint8_t code);
-void host_swap_keyboard_report(void);
-void host_clear_keyboard_report(void);
-uint8_t host_has_anykey(void);
-uint8_t host_get_first_key(void);
-