MODS   E15=(COBOLE15,7000,,C),
        E35=(COBOLE35,7000,EXITC,C)

E15

At exit E15, DFSORT transfers control to your own routine. Your routine is written in COBOL and is in the STEPLIB/JOBLIB or link libraries. Its member name is COBOLE15 and it uses 7000 bytes.

E35

At exit E35, DFSORT transfers control to your routine. Your routine is written in COBOL and is in the library defined by the job control statement with the ddname EXITC. Its member name is COBOLE35 and it uses 7000 bytes.