The label header part of the journal control label header is 10 bytes long, and its

format is shown in Figure 91.

JCRLL

2-byte length of record.

X'0000'

2-bytes containing X'0000'.

32
Fixedlength
LabelprefixLabelheader
104
Lengthofblock
Notpresentedunless the
callerisreading data blocks
ratherthanrecords
Figure90. Format of journal control label header
Recordnumber
withinblock
JCRLRN
Lengthofrecord
JCRLL

22222

User-typeID
JCRUTRID
System-typeID
JCRSTRID
X‘0000'
'0000'if CICSj ournal request.
Otherwisecodespeci fied in JTYPEID
keywordofuser request
‘0000'ifuser j ournal request.
Otherwise1-bytefunction ID
followedby1-byte module ID

Fixedlength

Figure91. Format of label header part of journal control label header
730 Customization Guide