394 	struct usb_endpoint_instance *endpoint =  in usbtty_tstc()  local
399 		udc_unset_nak(endpoint->endpoint_address&0x03);  in usbtty_tstc()
415 	struct usb_endpoint_instance *endpoint =  in usbtty_getc()  local
419 		udc_unset_nak(endpoint->endpoint_address&0x03);  in usbtty_getc()
424 	udc_set_nak(endpoint->endpoint_address&0x03);  in usbtty_getc()
810 			     struct usb_endpoint_instance *endpoint)  in next_urb()  argument
816 	if (!endpoint->tx_queue) {  in next_urb()
817 		current_urb = endpoint->tx_urb;  in next_urb()
821 			p2surround (struct urb, link, endpoint->tx.prev);  in next_urb()
830 		current_urb = first_urb_detached (&endpoint->done);  in next_urb()
832 			current_urb = usbd_alloc_urb (device, endpoint);  in next_urb()
835 		urb_append (&endpoint->tx, current_urb);  in next_urb()
836 		endpoint->tx_queue++;  in next_urb()
847 	struct usb_endpoint_instance *endpoint =  in write_buffer()  local
851 	current_urb = next_urb (device_instance, endpoint);  in write_buffer()
861 	if(endpoint->sent < current_urb->actual_length){  in write_buffer()
862 		if(udc_endpoint_write (endpoint)){  in write_buffer()
899 			if (endpoint->last == 0) {  in write_buffer()
900 				if(udc_endpoint_write (endpoint)){  in write_buffer()
915 	struct usb_endpoint_instance *endpoint =  in fill_buffer()  local
918 	if (endpoint->rcv_urb && endpoint->rcv_urb->actual_length) {  in fill_buffer()
920 		char *src = (char *) endpoint->rcv_urb->buffer;  in fill_buffer()
923 		if(rx_avail >= endpoint->rcv_urb->actual_length){  in fill_buffer()
925 			nb = endpoint->rcv_urb->actual_length;  in fill_buffer()
927 			endpoint->rcv_urb->actual_length = 0;  in fill_buffer()