+#ifdef USB_NKRO_ENABLE
+extern bool keyboard_nkro;
+#endif
+
+extern report_keyboard_t *keyboard_report;
+extern report_keyboard_t *keyboard_report_prev;
+
+
+uint8_t host_keyboard_leds(void);
+
+/* keyboard report operations */
+void host_add_key(uint8_t key);
+void host_add_mod_bit(uint8_t mod);
+void host_set_mods(uint8_t mods);
+void host_add_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);
+
+
+void host_send_keyboard_report(void);