CIVER (10-digit signed integer)

Structure version number.

The value must be one of the following:

CIVER1
Version-1 CICS information header structure.
CIVER2
Version-2 CICS information header structure.

Fields that exist only in the more-recent version of the structure are identified as such in the descriptions of the fields. The following constant specifies the version number of the current version:

CIVERC
Current version of CICS information header structure.

This is a request field. The initial value of this field is CIVER2.