pub unsafe extern "C" fn PhidgetPowerGuard_getOverVoltage(
ch: PhidgetPowerGuardHandle,
overVoltage: *mut f64,
) -> PhidgetReturnCodepub unsafe extern "C" fn PhidgetPowerGuard_getOverVoltage(
ch: PhidgetPowerGuardHandle,
overVoltage: *mut f64,
) -> PhidgetReturnCode