Invoking callable services from COBOL

In COBOL, invoke a Language Environment callable service using the following syntax:

Figure 1. Sample invocation of a callable service from COBOL

01 Feedback.
COPY CEEIGZCT
⋮
CALL "CEESERV" USING parm1 parm2 ... parmn fc

CEEIGZCT is an include file shipped with Language Environment that contains declarations of Language Environment symbolic feedback codes.

You can omit the feedback code parameter in COBOL for OS/390® & VM and COBOL for MVS & VM as shown in the following syntax:

Figure 2. Omitting the feedback code when calling a service from COBOL

01 Feedback.
COPY CEEIGZCT
CALL "CEESERV" USING parm1 parm2 ... parmn OMITTED