SF segment type format
The IMS catalog SF segment type contains information about a sensitive field definition for a sensitive segment in a program control block (PCB).
- Segment name
- SF
- Parent name
- SS
- Sequence field
- SENFLSEQ
- Segment length
- 40 bytes
| 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 | SENFLSEQ | Sequence field, type = U | X | |
| 5 | 2 | X | SEQNUM | Sequence number | ||
| 9 | 8 | C | IMSNAME | The IMS name of the field as defined in the FLD catalog record | ||
| 17 | 2 | X | START | The offset of the field from the beginning of the segment as returned in the user I/O area | ||
| 19 | 1 | C | REPL | Indicates if the field can be altered on a replace call | ||
| 20 | 21 | C | FILLER | Reserved | ||