NetBase for MPE Reference Guide

NetBase Shadowing
5-47
Parameter Description
userarea
A 1024 byte field initialized to binary 0's. This field is for the use of the user
exit procedure. It retains its values between calls.
header
Contains all non-data information about the original update. This field contains
the following:
Bytes Contents
0..23 File name. This is the file name of the original, master copy of the file.
The name is formatted as FILE, GROUP, ACCOUNT with no delimiters.
24..25 Flag word #1. Currently reserved.
26..27 Date. CALENDAR format of original date of the update.
28..31 Time. CLOCK format of original time of the update.
32..33 Type of update. Will be one of the following values:
IB IMAGE DBBEGIN
IE IMAGE DBEND
IO IMAGE DBOPEN
IP IMAGE DBPUT
IU IMAGE DBUPDATE
ID IMAGE DBDELETE
FC File close
FD File delete (RIO)
FE Set EOF
FK File killed (purged)
FL File user label update
FN File rename
FO File open
FP File put (KSAM write)
FR File remove (KSAM)
FU File update
FW File write (new record added)
34..35 PIN of original process
36..39 Record number.
40..41 Data length. Length of data records in 16 bit words.
42..43 IMAGE: Dataset number. Files:Original TCOUNT parameter.
Continued