pub unsafe extern "C" fn DAQmxReadCtrFreq(
    taskHandle: TaskHandle,
    numSampsPerChan: int32,
    timeout: float64,
    interleaved: bool32,
    readArrayFrequency: *mut float64,
    readArrayDutyCycle: *mut float64,
    arraySizeInSamps: uInt32,
    sampsPerChanRead: *mut int32,
    reserved: *mut bool32
) -> int32