Function SCIPaddBendersSubproblem 

pub unsafe extern "C" fn SCIPaddBendersSubproblem(
    scip: *mut SCIP,
    benders: *mut SCIP_BENDERS,
    subproblem: *mut SCIP,
) -> SCIP_RETCODE

registers the Benders’ decomposition subproblem with the Benders’ decomposition struct.

@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.

@pre This method can be called if SCIP is in one of the following stages: - \ref SCIP_STAGE_INIT - \ref SCIP_STAGE_PROBLEM