-/* Declarations */
-int udc_init(void);
-void udc_irq(void);
-int udc_endpoint_write(struct usb_endpoint_instance *endpoint);
-void udc_setup_ep(struct usb_device_instance *device, unsigned int ep,
- struct usb_endpoint_instance *endpoint);
-void udc_connect(void);
-void udc_disconnect(void);
-void udc_enable(struct usb_device_instance *device);
-void udc_disable(void);
-void udc_startup_events(struct usb_device_instance *device);
-
-/* Flow control */
-void udc_set_nak(int epid);
-void udc_unset_nak (int epid);