pub unsafe extern "C" fn Phidget_getDeviceClass(
ch: PhidgetHandle,
deviceClass: *mut Phidget_DeviceClass,
) -> PhidgetReturnCodepub unsafe extern "C" fn Phidget_getDeviceClass(
ch: PhidgetHandle,
deviceClass: *mut Phidget_DeviceClass,
) -> PhidgetReturnCode