pub unsafe extern "C" fn libusb_get_active_config_descriptor(
dev: *const libusb_device,
config: *mut *const libusb_config_descriptor,
) -> c_intpub unsafe extern "C" fn libusb_get_active_config_descriptor(
dev: *const libusb_device,
config: *mut *const libusb_config_descriptor,
) -> c_int