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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
Notpresentedunlessthe
callerisreadingdatablocks
ratherthanrecords
Figure 90. Format of journal control label header
Recordnumber
withinblock
JCRLRN
Lengthofrecord
JCRLL
2
2
222
User-typeID
JCRUTRID
System-typeID
JCRSTRID
X‘0000'
'0000'ifCICSjournalrequest.
OtherwisecodespecifiedinJTYPEID
keywordofuserrequest
‘0000'ifuserjournalrequest.
Otherwise1-bytefunctionID
followedby1-bytemoduleID
Fixedlength
Figure 91. Format of label header part of journal control label header
730 Customization Guide