usbf_do_request   559 dev/usb/usbf.c 	    NULL, &dev->def_req, 0, 0, usbf_do_request);
usbf_do_request   209 dev/usb/usbf_subr.c 	    NULL, &dev->def_req, 0, 0, usbf_do_request);
usbf_do_request   156 dev/usb/usbfvar.h void	    usbf_do_request(usbf_xfer_handle, usbf_private_handle,