Tree of subprogram calls:
  (no main program found)
    SCFDAT
        COFCON
        DSORDF
            APRDEV
        ETOTAL
            AKEATO
            AKEATO entry BKEATO
            BKMRDF
                CWIG3J
            FDMOCC
            FDRIRK
                DSORDF (see above)
                YZKRDF
                    APRDEV
                    YZKTEG
        FPF0
            SOMM
        GETORB
        INMUAT
            GETORB
            PAR_STOP
        LAGDAT
            AKEATO
            AKEATO entry BKEATO
            FDRIRK (see above)
        MESSER
            WLOG
        MUATCO
            CWIG3J
        ORTDAT
            DSORDF (see above)
        PAR_STOP
        POTRDF
            AKEATO
            APRDEV
            AKEATO entry BKEATO
            YZKRDF (see above)
        POTSLW
        S02AT
            DETERM
            ELIMIN
        SOLDIR
            INTDIR
            NORM
        SOMM
        TABRAT
            DSORDF (see above)
        VLDA
            EDP
            PAR_STOP
            VBH
        WFIRDF
            DENTFA
            MESSER (see above)
            NUCDEV
                PAR_STOP
            SOLDIR (see above)
            WLOG
        WLOG
