100644 blob f61b30a8cc96e2573c028196db598c78723404d7	bos.h
040000 tree 68c2601feae940a672b0c884791c4dcbffbbd0da	class
100644 blob 61c9a668df83937251013dd032d688617052ba05	usb_ch9.h
100644 blob eefbdf29c0e74ead8d75b6fc35fb947e67acf85a	usb_device.h