pub unsafe extern "C" fn PhidgetDCMotor_getTargetVelocity(
ch: PhidgetDCMotorHandle,
targetVelocity: *mut f64,
) -> PhidgetReturnCodepub unsafe extern "C" fn PhidgetDCMotor_getTargetVelocity(
ch: PhidgetDCMotorHandle,
targetVelocity: *mut f64,
) -> PhidgetReturnCode