HelenOS sources

usb_pipe_register  108 uspace/lib/usbdev/include/usb/dev/pipes.h errno_t usb_pipe_register(usb_pipe_t *,
usb_pipe_register  271 uspace/lib/usbdev/src/devdrv.c 			rc = usb_pipe_register(&pipes[i].pipe, pipes[i].descriptor, pipes[i].companion_descriptor);