Function SCIPresetClock 

pub unsafe extern "C" fn SCIPresetClock(
    scip: *mut SCIP,
    clck: *mut SCIP_CLOCK,
) -> SCIP_RETCODE

resets the time measurement of a clock to zero and completely stops the clock

@return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref SCIP_Retcode “SCIP_RETCODE” for a complete list of error codes.