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Programming Interface Information:
This page documents intended Programming Interfaces that allow the customer to write programs to obtain the services of z/VM. |
CPED
Control Block Contents
CPED DSECT
CPEFMH5 DSECT
CPEFASI DSECT
CPEFLUW1 DSECT
CPEFLUW2 DSECT
CPEFCOR DSECT
CPEFASIS DSECT
CPESGIDV DSECT
CPEPIP DSECT
CPEPIPMP DSECT
CPECSRV DSECT
Cross Reference (Contains links to field and bit definitions)
CPED Prolog
NAME : CPED
DESCRIPTION: CONNECTION PENDING EXTENDED DATA (CPED)
DSECT : CPED (primary)
FUNCTION : PROVIDES A MAPPING OF THE CPED CONTAINING THE
ALLOCATE DATA (VM AREA AND FMH5) WITHIN THE
INTERRUPT BUFFER EXTENSION.
THE MAPPING OF THE VM COMMUNICATION SERVER AREA
AND PROGRAM INTIALIZATION PARAMETER(PIP) ARE
ALSO PROVIDED.
HISTORY : NEW FOR VM/ESA RELEASE 1
RELOCATION CONSIDERATIONS : None
NOTES :
1. ANY CHANGES TO CPED COPY SHOULD ALSO BE MADE IN THE
INTERNAL CMS VERSION, DMSCPEDP, TO KEEP THE MAPPING IN
SYNCH BETWEEN CP AND CMS. THE CMS BILINGUAL MACRO,
DMSCPED, USES THE ASSEMBLER COPY FUNCTION TO INCLUDE
CPED COPY WHEN INVOKED FROM AN ASSEMBLER MODULE.
ALSO NOTE THAT THE INTERNAL CP VERSION (HCPCONBK COPY)
AS WELL AS THE INTERNAL AVS AND TSAF VERSIONS FOR THE
ALLOCATE DATA MAPPING MUST BE KEPT IN SYNCH.
2. THE VALUE IN 'CPEFLEN' INCLUDES THE LENGTH OF
'CPEFLEN' ITSELF. IT IS CALCULATED AS LENGTH(CPEFBASE)
+ CPEFTPNL + CPEFASIL + LENGTH(CPEFASIL) + CPEFLUWL +
LENGTH(CPEFLUWL) + CPEFCORL + LENGTH(CPEFCORL).
3. THE VALUES IN 'CPEFTPNL', 'CPEFASIL', 'CPEFLUWL',
'CPEFCORL', CPEFSUBL', AND 'CPEFFQNL' DO NOT INCLUDE
THE LENGTHS OF THE LENGTH FIELDS THEMSELVES.
4. 'CPEFPRML' SPECIFIES THE LENGTH OF THE FIXED PARAMETERS
THAT APPEAR IN THE FMH5 BETWEEN 'CPEFPRML' ITSELF AND
THE FIRST VARYING-LENGTH FIELD. THE VALUE IN 'CPEFPRML'
ADDED TO THE DISPLACEMENT OF THE FIRST FIXED-LENGTH
FIELD FOLLOWING 'CPEFPRML' WITHIN THE FMH5 GIVES THE
DISPLACEMENT OF THE FIRST VARYING-LENGTH FIELD IN THE
FMH5.
5. PROGRAM INITIALIZATION PARAMETER (PIP) DATA IS SENT AS
A GDS VARIABLE IF THE FIELD 'CPEFPIP' INDICATES THAT
PIP DATA IS PRESENT.
6. THE LL FIELDS FOR THE PIP DATA, 'CPEPIPLN' AND
'CPEPIPSL', INCLUDE THE LENGTH OF THE LENGTH FIELDS
THEMSELVES.
7. WARNING: IF IPRESID IN THE PARAMETER LIST IS *USERID
AND THE CPED IS BEING PRESENTED TO A TSAF VIRTUAL
MACHINE THEN THE CPED WILL BE PRECEDED BY AN 8 BYTE
NODE ID.
CPED Control Block Content
CPED DSECT
Hex Dec Type/Val Lng Label (dup) Comments
---- ---- --------- ---- -------------- --------
0000 0 Structure CPED CONNECTION PENDING EXTENDED DATA (CPED)
VM AREA mapping
0000 0 Signed 2 CPEVTOTL TOTAL LENGTH OF VM AREA
0002 2 Signed 2 CPEVFIXL LENGTH OF THE FIXED LENGTH FIELD
(FROM CPEVSESL TO THE CURRENT END
OF THE VM AREA)
0004 4 Signed 2 * RESERVED
0006 6 Signed 2 CPEVSRVL LENGTH OF COMMUNICATION SERVER
AREA (USED FOR OUTBOUND REQUESTS
ONLY - OTHERWISE ZERO)
0008 8 Bitstring 1 CPEVSESL LENGTH SESSION INSTANCE ID
0009 9 Bitstring 1 CPEVLLUL LENGTH LOCAL LU NAME
000A 10 Bitstring 1 CPEVRLUL LENGTH REMOTE LU NAME
000B 11 Character 5 * RESERVED
0010 16 Character 8 CPEVMODE MODE NAME SPECIFIED
0018 24 Character 8 CPEVSESS SESSION INSTANCE IDENTIFIER
0020 32 Character 16 CPEVLKL (0) LOCALLY KNOWN LUNAME
0020 32 Character 8 CPEVLUQ LUNAME QUALIFIER
0028 40 Character 8 CPEVTLU TARGET LUNAME
0030 48 Character 16 CPEVPLKL (0) PARTNER LOCAL KNOWN LUNAME
0030 48 Character 8 CPEVPLUQ PARTNER LUNAME QUALIFIER
0038 56 Character 8 CPEVPTLU PARTNER TARGET LUNAME
0040 64 Character 17 CPEVLLUN LOCAL FULLY QUALIFIED LUNAME
0051 81 Character 17 CPEVRLUN REMOTE FULLY QUAL. LUNAME
0062 98 Character 6 * RESERVED
0068 104 Character 8 CPEVALT ALTERNATE USERID TO BE SET
0070 112 Character 8 CPEVCIT VIRTUAL CONFIGURATION ID TOKEN
The next set of information, along with the variable-length
supplementary group ID (SGID) information, is passed on
each connect so that the server at the other end can have
access to POSIX access control information.
0078 120 Bitstring 1 CPEVIDFL Access control flags
1... .... CPEVIDVL X'80' CPEVIDVL The UID/GID
information has been filled in.
0079 121 Bitstring 3 * Reserved for IBM use
007C 124 Signed 4 CPEVEUID Effective UID of the process
issuing the CONNECT.
0080 128 Signed 4 CPEVEGID Effective GID of the process
issuing the CONNECT.
0084 132 Signed 4 CPEVRUID Real UID of the process issuing
the CONNECT.
0088 136 Signed 4 CPEVRGID Real GID of the process issuing
the CONNECT.
008C 140 Signed 4 CPEVIDLN Length of the supplementary GID
information (may be in the range
zero to NGMAXMAX*4).
0090 144 Signed 4 CPEVVARL Total length of the VM-defined
variable length section of this
block. This section begins after
the FMH5 and is followed by the
communication server area.
00000094 CPEVVRSL *-CPED VMA area length including
the variable-length section
length field. This field must be
distinct from CPEVMLEN to allow
future expansion.
0094 148 Character 16 CPEVCBPL (0) Partner LUNAME to use in
connecting back to the partner.
0094 148 Character 8 CPEVCBLQ LUNAME qualifier to use in
connecting back to the partner.
Contains one of the following:
*USERID if the connection
originated on the same system as
the target. (The value is equal
to that in CPEVPLUQ.)
<gatelu> if the connection
is through AVS or an unknown
comserv. (The value is equal to
that in CPEVPLUQ.) <system
gateway name of originating
system> if the connection is
through ISFC or TSAF. <system
gateway name of the gateway
system> if the connection is
passing from a CS collection to a
TSAF collection or vice versa.
009C 156 Character 8 CPEVCBTL Target luname to use in
connecting back to the partner.
This should always be equal to
CPEVPTLU; it's added here for
ease of use.
000000A4 CPEVMLEN *-CPED VM AREA LENGTH
Function Management Header 5
FMH5 Fixed area
CPEFMH5 DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure CPEFMH5 CONNECTION PENDING EXTENDED DATA (CPED) 0000 0 Character 10 CPEFBASE (0) FIXED LENGTH BASE 0000 0 Bitstring 1 CPEFLEN FMH5 TOTAL LENGTH 1111 1111 CPEFMXLN 255 CPEFMXLN Maximum length of the FMH5 0001 1 Bitstring 1 CPEFTYPE FMH TYPE FIELD .... .1.1 CPEFTYP5 X'05' CPEFTYP5 FMH TYPE = X'05' 0002 2 Bitstring 2 CPEFCODE FMH5 COMMAND CODE CPEFCODE CPEFATT X'02FF' CPEFATT ATTACH COMMAND CODE 0004 4 Bitstring 1 CPEFFLG1 FLAG FIELD 1... .... CPEFSECI X'80' CPEFSECI SECURITY INDICATOR .... 1... CPEFPIP X'08' CPEFPIP PIP DATA PRESENT 0005 5 Bitstring 1 CPEFPRML LENGTH OF FIXED LENGTH PARMS 0006 6 Bitstring 3 CPEFPARM (0) FIXED LENGTH PARAMETERS 0006 6 Bitstring 1 CPEFCONT CONVERSATION TYPE 11.1 .... CPEFBASC X'D0' CPEFBASC BASIC CONVERSATION 11.1 ...1 CPEFMAPC X'D1' CPEFMAPC MAPPED CONVERSATION 0007 7 Character 1 * RESERVED 0008 8 Bitstring 1 CPEFFLG2 FLAG FIELD 11.. .... CPEFSYNM X'C0' CPEFSYNM SYNCHRONIZATION LEVEL MASK .... .... CPEFSYNO X'00' CPEFSYNO NONE .1.. .... CPEFSYCF X'40' CPEFSYCF CONFIRM 1... .... CPEFSYSP X'80' CPEFSYSP CONFIRM,SYNC POINT,BACKOUT ..1. .... CPEFSYRC X'20' CPEFSYRC RECONNECTION SUPPORT 0009 9 Bitstring 1 CPEFTPNL TRANSACTION PROGRAM NAME LENGTH (NOT INC. THIS BYTE) FMH5 Variable area 000A 10 Bitstring 1 CPEFTPN (0) TRANS. PROGRAM NAME (TPN)
CPEFASI DSECT
Hex Dec Type/Val Lng Label (dup) Comments
---- ---- --------- ---- -------------- --------
0000 0 Structure CPEFASI CONNECTION PENDING EXTENDED DATA (CPED)
SUBFIELDS
0000 0 Bitstring 1 CPEFASIL TOTAL LENGTH OF ALL ASI
SUBFIELDS-NOT INC. THIS FLD
0001 1 Bitstring 1 CPEFSEC (0) CONTAINS ALL ASI SUBFIELDS MAPPED
VIA THE CPEFASIS DSECT. EACH ASI
SUBFIELDS MUST BE MAPPED
SEPARATELY BY THE CPEFASIS DSECT.
CPEFLUW1 DSECT
Hex Dec Type/Val Lng Label (dup) Comments
---- ---- --------- ---- -------------- --------
0000 0 Structure CPEFLUW1 CONNECTION PENDING EXTENDED DATA (CPED)
FIELD
0000 0 Bitstring 1 CPEFLUWL LENGTH OF LUW FIELD (NOT
INCLUDING THIS BYTE)
0001 1 Bitstring 1 CPEFFQNL LENGTH OF FULLY QUALIFIED LUNAME
(NOT INC. THIS BYTE)
0002 2 Bitstring 1 CPEFFQN (0) NETWORK FULLY QUALIFIED LUNAME
CPEFLUW2 DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure CPEFLUW2 CONNECTION PENDING EXTENDED DATA (CPED) 0000 0 Bitstring 6 CPEFLUIN LUW INSTANCE NUMBER 0006 6 Bitstring 2 CPEFLUSN LUW SEQUENCE NUMBER
CPEFCOR DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure CPEFCOR CONNECTION PENDING EXTENDED DATA (CPED) 0000 0 Bitstring 1 CPEFCORL LENGTH OF CONVERSATION CORRELATOR OF SENDER (NOT INCLUDING THIS BYTE) 0001 1 Bitstring 1 CPEFCORT (0) CONVERSATION CORRELATOR OF SENDING TRANSACTION Access Security Information(ASI) subfield This DSECT is used to map each ASI SUBFIELD. THESE subfields are all contained in the field 'CPEFSEC'. You must determine how many subfields are specified and determine the length of each subfield.
CPEFASIS DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure CPEFASIS CONNECTION PENDING EXTENDED DATA (CPED) 0000 0 Bitstring 1 CPEFSUBL SUBFIELD LENGTH (NOT INCLUDING THIS BYTE) 0001 1 Bitstring 1 CPEFSUBT SUBFIELD TYPE .... .... CPEFPROF X'00' CPEFPROF PROFILE TYPE .... ...1 CPEFPASS X'01' CPEFPASS PASSWORD TYPE .... ..1. CPEFUSER X'02' CPEFUSER USER ID TYPE 0002 2 Bitstring 1 CPEFDATA (0) SUBFIELD DATA Beginning of the VM-defined variable-length section. This section directly follows the FMH5 and precedes the communication server area. It consists of zero or more variable-length areas. The sum of the lengths of all of the information in this section is defined in CPEVVARL. Supplementary GID information area This section comes immediately after the FMH5 and contains the supplementary group IDs (part of the set of POSIX access control values). The length of this section is in CPEVIDLN in the VMA area; if the length is zero, there are no supplementary group IDs. The valid range for the length is zero to NGMAXMAX*4; APPC/VM connect processing checks to ensure that this area does not grow too big for APPC/VM connect processing to handle. Each SGID is four bytes long. The first starts at displacement zero in this area, the second at displacement four, and so on. Notes : in the CONBK, CONSGIDS is defined with a length of NGMAXMAX*4. Since the levels of CP and CMS could be different and thus the NGROUPS_MAX value as represented by NGMAXMAX could be different, the reference to NGROUPS_MAX (NGMAXMAX) is omitted here to avoid the risk of misunderstanding and misuse.
CPESGIDV DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure CPESGIDV CONNECTION PENDING EXTENDED DATA (CPED) 0000 0 Bitstring 1 CPESGIDS (0) Supplementary GIDs End of the VM-defined variable-length section. PROGRAM INITIALIZATION PARAMETER (PIP). +-----------------------+-----------------------+ | CPEPIPLN | CPEPIPID | +-----------------------+-----------------------+ | CPEPIPSU | + + | +-----+ | | /// | +-----------------------------------------+-----+
CPEPIP DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure CPEPIP CONNECTION PENDING EXTENDED DATA (CPED) 0000 0 Bitstring 2 CPEPIPLN PIP LENGTH (INC. THIS FIELD) 0002 2 Bitstring 2 CPEPIPID GDS INDICATOR CPEPIPID CPEPIPVA X'12F5' CPEPIPVA PIP VARIABLE 0004 4 Bitstring 1 CPEPIPSU (0) ZERO OR MORE PIP SUBFIELDS, EACH OF WHICH HAS THE FOLLOWING FORMAT
CPEPIPMP DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure CPEPIPMP CONNECTION PENDING EXTENDED DATA (CPED) 0000 0 Bitstring 2 CPEPIPSL SUBFIELD LENGTH (INCLUDING THIS BYTE) 0002 2 Bitstring 2 CPEPIPSI GDS INDICATOR CPEPIPSI CPEPIPSF X'12E2' CPEPIPSF PIP SUBFIELD 0004 4 Bitstring 1 CPEPIPSD (0) SUBFIELD DATA VM Communication Server Area +-----------+-----------------------+-----------+ | CPECOMFL | CPECOMPL | RESERVED | +-----------+-----------------------+-----------+ | CPECOMPA | +-----------------------------------------------+
CPECSRV DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure CPECSRV CONNECTION PENDING EXTENDED DATA (CPED) 0000 0 Bitstring 8 CPECOMSV (0) 0000 0 Bitstring 1 CPECOMFL FLAG BYTE .1.. .... CPECOMBL X'40' CPECOMBL PIP ADDRESS IS BUFFER LIST 0001 1 Bitstring 2 CPECOMPL LENGTH OF PIP DATA 0003 3 Bitstring 1 * RESERVED 0004 4 Bitstring 4 CPECOMPA ADDRESS OF PIP DATA 00000001 CPECOMSZ (*-CPECOMSV+7)/8 CPECOMSV SIZE IN DOUBLEWORD
CPED Storage Layout
*** CPED - CONNECTION PENDING EXTENDED DATA (CPED)
*
* +-------------+-------------+-------------+-------------+
* 0 | CPEVTOTL | CPEVFIXL |/////////////| CPEVSRVL |
* +------+------+------+------+-------------+-------------+
* 8 |:VSESL|:VLLUL|:VRLUL|//////////////////////////////////|
* +------+------+------+----------------------------------+
* 10 | CPEVMODE |
* +-------------------------------------------------------+
* 18 | CPEVSESS |
* +-------------------------------------------------------+
* 20 | CPEVLUQ |
* +-------------------------------------------------------+
* 28 | CPEVTLU |
* +-------------------------------------------------------+
* 30 | CPEVPLUQ |
* +-------------------------------------------------------+
* 38 | CPEVPTLU |
* +-------------------------------------------------------+
* 40 | |
* = CPEVLLUN =
* | +------------------------------------------------+
* 50 | | |
* +------+ |
* | CPEVRLUN |
* | +-----------------------------------------+
* 60 | |/////////////////////////////////////////|
* +-------------+-----------------------------------------+
* 68 | CPEVALT |
* +-------------------------------------------------------+
* 70 | CPEVCIT |
* +------+--------------------+---------------------------+
* 78 |:VIDFL|////////////////////| CPEVEUID |
* +------+--------------------+---------------------------+
* 80 | CPEVEGID | CPEVRUID |
* +---------------------------+---------------------------+
* 88 | CPEVRGID | CPEVIDLN |
* +---------------------------+---------------------------+
* 90 | CPEVVARL | CPEVCBLQ- |
* +---------------------------+---------------------------+
* 98 | -(094) | CPEVCBTL- |
* +---------------------------+---------------------------+
* A0 | -(09C) | A4
* +---------------------------+
*
*** CPED - CONNECTION PENDING EXTENDED DATA (CPED)
*** CPEFMH5 - CONNECTION PENDING EXTENDED DATA (CPED)
*
* +------+------+-------------+------+------+------+------+
* 0 |:FLEN |:FTYPE| CPEFCODE |:FFLG1|:FPRML|:FCONT|//////|
* +------+------+-------------+------+------+------+------+
* 8 |:FFLG2|:FTPNL|
* +------+------+
*
*** CPEFMH5 - CONNECTION PENDING EXTENDED DATA (CPED)
*** CPEFASI - CONNECTION PENDING EXTENDED DATA (CPED)
*
* +------+
* 0 |:FASIL|
* +------+
*
*** CPEFASI - CONNECTION PENDING EXTENDED DATA (CPED)
*** CPEFLUW1 - CONNECTION PENDING EXTENDED DATA (CPED)
*
* +------+------+
* 0 |:FLUWL|:FFQNL|
* +------+------+
*
*** CPEFLUW1 - CONNECTION PENDING EXTENDED DATA (CPED)
*** CPEFLUW2 - CONNECTION PENDING EXTENDED DATA (CPED)
*
* +-----------------------------------------+-------------+
* 0 | CPEFLUIN | CPEFLUSN |
* +-----------------------------------------+-------------+
* 8
*
*** CPEFLUW2 - CONNECTION PENDING EXTENDED DATA (CPED)
*** CPEFCOR - CONNECTION PENDING EXTENDED DATA (CPED)
*
* +------+
* 0 |:FCORL|
* +------+
*
*** CPEFCOR - CONNECTION PENDING EXTENDED DATA (CPED)
*** CPEFASIS - CONNECTION PENDING EXTENDED DATA (CPED)
*
* +------+------+
* 0 |:FSUBL|:FSUBT|
* +------+------+
*
*** CPEFASIS - CONNECTION PENDING EXTENDED DATA (CPED)
*** CPESGIDV - CONNECTION PENDING EXTENDED DATA (CPED)
*
*
*** CPESGIDV - CONNECTION PENDING EXTENDED DATA (CPED)
*** CPEPIP - CONNECTION PENDING EXTENDED DATA (CPED)
*
* +-------------+-------------+
* 0 | CPEPIPLN | CPEPIPID |
* +-------------+-------------+
*
*** CPEPIP - CONNECTION PENDING EXTENDED DATA (CPED)
*** CPEPIPMP - CONNECTION PENDING EXTENDED DATA (CPED)
*
* +-------------+-------------+
* 0 | CPEPIPSL | CPEPIPSI |
* +-------------+-------------+
*
*** CPEPIPMP - CONNECTION PENDING EXTENDED DATA (CPED)
*** CPECSRV - CONNECTION PENDING EXTENDED DATA (CPED)
*
* +------+-------------+------+---------------------------+
* 0 |:COMFL| CPECOMPL |//////| CPECOMPA |
* +------+-------------+------+---------------------------+
* 8
*
*** CPECSRV - CONNECTION PENDING EXTENDED DATA (CPED)
CPED Cross Reference
Symbol Dspl Value -------------- ---- ----- CPECOMBL 0000 40 CPECOMFL 0000 CPECOMPA 0004 CPECOMPL 0001 CPECOMSV 0000 CPECOMSZ 0004 00000001 CPEFASIL 0000 CPEFATT 0002 CPEFCODE CPEFBASC 0006 D0 CPEFBASE 0000 CPEFCODE 0002 CPEFCONT 0006 CPEFCORL 0000 CPEFCORT 0001 CPEFDATA 0002 CPEFFLG1 0004 CPEFFLG2 0008 CPEFFQN 0002 CPEFFQNL 0001 CPEFLEN 0000 CPEFLUIN 0000 CPEFLUSN 0006 CPEFLUWL 0000 CPEFMAPC 0006 D1 CPEFMXLN 0000 FF CPEFPARM 0006 CPEFPASS 0001 01 CPEFPIP 0004 08 CPEFPRML 0005 CPEFPROF 0001 00 CPEFSEC 0001 CPEFSECI 0004 80 CPEFSUBL 0000 CPEFSUBT 0001 CPEFSYCF 0008 40 CPEFSYNM 0008 C0 CPEFSYNO 0008 00 CPEFSYRC 0008 20 CPEFSYSP 0008 80 CPEFTPN 000A CPEFTPNL 0009 CPEFTYPE 0001 CPEFTYP5 0001 05 CPEFUSER 0001 02 CPEPIPID 0002 CPEPIPLN 0000 CPEPIPSD 0004 CPEPIPSF 0002 CPEPIPSI CPEPIPSI 0002 CPEPIPSL 0000 CPEPIPSU 0004 CPEPIPVA 0002 CPEPIPID CPESGIDS 0000 CPEVALT 0068 CPEVCBLQ 0094 CPEVCBPL 0094 CPEVCBTL 009C CPEVCIT 0070 CPEVEGID 0080 CPEVEUID 007C CPEVFIXL 0002 CPEVIDFL 0078 CPEVIDLN 008C CPEVIDVL 0078 80 CPEVLKL 0020 CPEVLLUL 0009 CPEVLLUN 0040 CPEVLUQ 0020 CPEVMLEN 009C 000000A4 CPEVMODE 0010 CPEVPLKL 0030 CPEVPLUQ 0030 CPEVPTLU 0038 CPEVRGID 0088 CPEVRLUL 000A CPEVRLUN 0051 CPEVRUID 0084 CPEVSESL 0008 CPEVSESS 0018 CPEVSRVL 0006 CPEVTLU 0028 CPEVTOTL 0000 CPEVVARL 0090 CPEVVRSL 0090 00000094
Copyright IBM Corporation, 1990, 2011