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0 Initial call
2 List start call
4 Group start call
6 Object start call
8 Keyword detail call
10 Object end call
12 Group end call
14 List end call
16 Final call.
Workarea Ptr
This is the address of a field containing the address of a fullword to be used by
the user application to store the address of any user-acquired work area.
Back translated command Ptr
The address of a fullword that contains the address of a 75-byte area of storage
that contains the EXTRACT command that is being processed.
List name Ptr
The address of an 8-byte field that identifies the RDO list from which the current
object is taken. This value is set only on the ‘list start’ and ‘list end’ calls.
Group name Ptr
The address of an 8-byte field that identifies the RDO group from which the
current object is taken. This value is set on the ‘group start’, ‘group end’, ‘object
start’, ‘object end’, and ‘keyword’ calls.
Object type Ptr
The address of a 12-byte field that identifies the type of object (such as
TRANSACTION, PROGRAM, and so on), and is set only on the ‘object start’,
‘object end’, and ‘keyword’ calls.
Object name Ptr
The address of an 8-byte field that contains the name of the object, and is set
only on the ‘object start’, ‘object end’, and ‘keyword’ calls.
Keyword name Ptr
The address of a 12-byte field that contains the name of the keyword being
processed, and is set only on ‘keyword’ calls.
Keyword length Ptr
The address of a halfword field that contains the length of the value associated
with the keyword, and is set only on ‘keyword’ calls.
Keyword Value Ptr
The address of the storage area that contains the value associated with the
keyword, and is set only on ‘keyword’ calls.
Note: Fields not set with a pointer value contain a null value.
The sample EXTRACT programs
There are three CICS-supplied sample programs that can be invoked during
DFHCSDUP EXTRACT processing. Two of these are provided in VS COBOL II,
PL/I, and assembler language, and the third is provided in VS COBOL II only. They
are outlined in Table 39 on page 745.
DFHCSDUP as a batch program
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CICS TS for OS/390: CICS Customization Guide