RD (Record Description)

The descriptor RD defines the retrieval address, the record type and the record length.

Field	Meaning	Length in bytes	Contents after initialization
REC-ACC-ID	Access path identification	4	4 x X'FF'
BUFFER-LEN	Buffer length of ER	4	4 x X'00'
RECORD-LEN	Record length	4	4 x X'00'
	reserved	3	3 x X'00'
RECORD-TYP	Record type	1	1 x X'01'
RECORD-NR	Record number	4	4 x X'00'
	reserved	8	8 x X'00'

The descriptor RD is required in the following functions:

CLOSE, GET, OPENGET, OPENPUT, OPENUPD, PUT.