IBM System/360

Control Statements Required
r----------------------------------------------------------------------,
I //jobname JOB <parameters)
I //stepname EXEC PGM=IEBUPDAT,PARM=NEW
I //SYSPRINT DD SYSOUT=A
//SYSUT2 DD DSNAME=SYS1.MACLIB,DISP=OLD
//SYSIN DD DATA
./ ADD IEFJFCBN,OO,O,l
IEFJFCBN macro-definition
./ ENDUP
______________________________________________________________________ J
IEFJFCBN Macro-Definition
MACRO
IEFJFCBN
INFMJFCB EQU *
JFCBDSNM DS CL44
JFCBELNM DS CL8
JFCBISDM DS CLl
*
.JFCBSYSC DS
.JFCBLTYP DS
*
CL13
CLl
DS CLl
JFCBFLSQ DS CL2
JFCBVLSQ DS CL2
JFCBMASK DS CL8
JFCBCRDT DS CL3
JFCBXPDT DS CL3
JFCBINDl DS CLl
JFCBRLSE EQU 64
*
JFCBLOCT EQU 16
*
JFCBNEWV EQU 4
*
.JFCBPMEM EQU 1
*
JFCBIND2 DS CLl
JFCBSTAT EQU 64
*
JFCBSCTY EQU 16
*
JFCBUFNO DS
JFCBUFRQ DS
JFCBFTEK DS
.JFCBF ALN DS
JFCBUFL DS
JFCEROPT DS
JFCTRTCH DS
JFCKEYIE DS
JFCMODE DS
.JFCCODE DS
.JFCSTACK DS
JFCPRTSP DS
72
~ALl
ALl
OBLl
BLl
AL2
BLl
OBLl
~ALl
OBLl
OBLl
OBLl
BLl
DATA SET NAME
ELEMENT NAME OR VERSION
TASK SCHEDULER - DATA
MANAGEMENT INTERFACE BYTE
SYSTEM CODE
LABBL TYPE AND USER'S-LABEI
INDICATOR
NOT USED
FILE SEQUENCE NUMBER
VOLUME SEQUENCE NUMBER
DATA MANAGEMENT MASK
DATA SET CREATION DATE
DATA SET EXPIRATION DATE
INDICATOR BYTE 1
BITS 0 AND 1 - EXTERNAL
STORAGE RELEASE INDICATOR
BITS 2 AND 3 - DATA SET
HAS BEEN LOCATED
BITS 4 AND 5 - NEW VOLUME
ADDED TO DATA SET
.BITS 6 AND 7 - DATA SET IS
A M~MBER OF A PODS OR GDG
INDICATOR BYTE 2
BITS 0 AND 1 - DATA SET
STATUS (NEW, OLD, OR MOD)
BITS 2 AND 3 - DATA SET
SECURITY INDICATOR