Function SCIPgetNLPNlRowsData 

pub unsafe extern "C" fn SCIPgetNLPNlRowsData(
    scip: *mut SCIP,
    nlrows: *mut *mut *mut SCIP_NLROW,
    nnlrows: *mut c_int,
) -> SCIP_RETCODE

gets current NLP nonlinear rows along with the current number of NLP nonlinear rows

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