Function spinSystemUnregisterAllLogEventHandlers 

pub unsafe extern "C" fn spinSystemUnregisterAllLogEventHandlers(
    hSystem: spinSystem,
) -> spinError

Unregisters all logging event handlers from the system @see spinError

@param hSystem The system, from which all logging event handlers are unregistered

@return spinError The error code; returns SPINNAKER_ERR_SUCCESS (or 0) for no error