public static extern int libusb_get_string_descriptor_ascii(libusb_device_handle dev, Byte desc_index, [MarshalAs(UnmanagedType.LPStr)] StringBuilder data, int length);
public static extern int libusb_control_transfer(libusb_device_handle dev_handle, Byte request_type, Byte bRequest, UInt16 wValue, UInt16 wIndex, Byte *data, UInt16 wLength, UInt32 timeout);
public static extern int libusb_interrupt_transfer(libusb_device_handle dev_handle, Byte endpoint, Byte *data, int length, out int actual_length, UInt32 timeout);
static extern int libusb_kernel_driver_active(libusb_device_handle dev, int interface_number);
public static extern int libusb_attach_kernel_driver(libusb_device_handle dev, int interface_number);
public static extern int libusb_clear_halt(libusb_device_handle dev, Byte endpoint);
public static extern int libusb_reset_device(libusb_device_handle dev);
public static extern int libusb_release_interface(libusb_device_handle dev, int interface_number);
static extern int libusb_set_interface_alt_setting(libusb_device_handle dev, int interface_number, int alternate_setting);
public static extern int libusb_claim_interface(libusb_device_handle dev, int interface_number);
public static extern int libusb_set_configuration(libusb_device_handle dev, int configuration);
static extern libusb_device libusb_get_device(libusb_device_handle dev_handle);
public static extern int libusb_open(libusb_device dev, out libusb_device_handle handle);
static extern int libusb_get_configuration(libusb_device_handle dev, out int config);
