HelenOS sources

usb_device_unmap_ep   90 uspace/lib/usbdev/include/usb/dev/device.h int usb_device_unmap_ep(usb_endpoint_mapping_t *);
usb_device_unmap_ep  317 uspace/lib/usbdev/src/devdrv.c 		rc = usb_device_unmap_ep(usb_dev->pipes + i);
usb_device_unmap_ep  284 uspace/lib/usbdev/src/devpoll.c 	rc = usb_device_unmap_ep(polling->ep_mapping);