pub unsafe extern "C" fn PhidgetPHSensor_getMaxPH(
ch: PhidgetPHSensorHandle,
maxPH: *mut f64,
) -> PhidgetReturnCodepub unsafe extern "C" fn PhidgetPHSensor_getMaxPH(
ch: PhidgetPHSensorHandle,
maxPH: *mut f64,
) -> PhidgetReturnCode