openusb_get_raw_desc, openusb_free_raw_desc, openusb_parse_device_desc,
openusb_parse_config_desc, openusb_parse_interface_desc, openusb_parse_endpoint_desc
-- Get/Free raw device descriptors; Get cooked Device, Configuration, Interface,
Endpoint descriptors openusb_parse_data -- Unpack arbitrary little endian raw dataThis group of functions are helpers to get and parse kinds of USB descriptors.