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Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
IDMBK
Control Block Contents
IDMBK DSECT
Cross Reference (Contains links to field and bit definitions)
IDMBK Prolog
NAME : HCPIDMBK
DESCRIPTION: Spool Image Library Directory Member
Entry Block
DSECT : IDMBK
FUNCTION : To map out the directory member information
in a 3800 image library file.
LOCATED BY : The directory members are located after
the IDHBK on the first directory record in
the file. The IDHNUMDE determines how many
IDMBKs there are on the directory record(s).
CREATED BY : IMAGELIB command (HCPNMTBL)
IMAGEMOD command (DMSIMAGE)
DELETED BY : All the contents of an IMG file, including
the IDMBKs, are deleted by the "PURGE IMG"
command processing (HCPCSUPU).
IDMBK Control Block Content
IDMBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments
---- ---- --------- ---- -------------- --------
0000 0 Structure IDMBK Spool Image Library Directory
Member
0000 0 Character 8 IDMNAME Library Member name
0008 8 Signed 4 IDMDISP Starting displacement in library
000C 12 Signed 4 IDMLEN Length of member in bytes (this
includes the IMHBK)
00000010 IDMSIZE *-IDMBK Size in bytes
00000002 IDMSZDW (*-IDMBK+7)/8 Size in doublewords
IDMBK Storage Layout
*** IDMBK - Spool Image Library Directory Member
*
* +-------------------------------------------------------+
* 0 | IDMNAME |
* +---------------------------+---------------------------+
* 8 | IDMDISP | IDMLEN |
* +---------------------------+---------------------------+
* 10
*
*** IDMBK - Spool Image Library Directory Member
IDMBK Cross Reference
Symbol Dspl Value -------------- ---- ----- IDMDISP 0008 IDMLEN 000C IDMNAME 0000 IDMSIZE 000C 00000010 IDMSZDW 000C 00000002
Copyright IBM Corporation, 1990, 2001