Micro Focus Visual COBOL 2.3 Update 2 for Eclipse (Windows) > Programming > Compatibility > Compatibility with RM/COBOL > Converting RM/COBOL Applications > RM/COBOL Conversion Issues > Running the Code > Using the Correct Calling Convention

Using the Correct Calling Convention

We recommend that to use the RM/COBOL library routines provided in Visual COBOL, you explicitly set the 1024 call-convention in the CALL statement.

program-id. Program1.
Special-Names.
call-convention 1024 is RM.
...

procedure division.

call RM "SYSTEM" using "cmd.exe /c mkdir sys02".
   
goback.
end program Program1.