CASERMK segment type format

The IMS catalog CASERMK segment type contains user-specified comments about a case for a segment type mapping.

This segment is a direct child of the CASE segment instance that the comments pertain to.
Segment name
CASERMK
Parent name
CASE
Sequence field
CASCMSEQ
Segment length
264 bytes
Table 1. CASERMK segment map
Offset (bytes) Length (bytes) Data type Field name Description Unique key field
1 2 X LEN Length of this segment  
3 2 X CTL Control field  
5 2 X CASCMSEQ Sequence field, type = U X
  5 2 X SEQNUM Sequence number  
7 2 C FILLER Reserved  
9 256 C REMARKS User comments for the case definition described by the parent CASE segment