EXTRN SUBPROG1:FAR
EXTRN SUBPROG2:FAR
  .MODEL SMALL
  .CODE
  MAIN PROC FAR
  ...
  CALL SUBPROG1
  CALL SUBPROG2
  ...
  MOV AH,4CH
  INT 21H
  MAIN ENDP
  END MAIN
  PUBLIC SUBPROG1
  .MODEL SMALL
  .CODE
  SUBPROG1 PROC FAR
  ...
  RET
  SUBPROG1 ENDP
  END
  PUBLIC SUBPROG2
  .MODEL SMALL
  .CODE
  SUBPROG2 PROC FAR
  ...
  RET
  SUBPROG2 ENDP
  END