Programming Interface Information: This information is NOT intended to be
used as Programming Interfaces of VM/ESA. It is to be used for diagnosis only.

IDHBK

Prolog  

Control Block Contents  

IDHBK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

IDHBK Prolog

 NAME       : HCPIDHBK
 DESCRIPTION: Spool Image Library Directory Header
 DSECT      : IDHBK
 FUNCTION   : To map out the directory header information
              in a 3800 image library file.
 LOCATED BY : The directory header is located at the
              beginning of the first directory record in
              the file.
 CREATED BY : IMAGELIB command (HCPNMTBL)
              IMAGEMOD command (DMSIMAGE)
 DELETED BY : All the contents of an IMG file, including
              the IDHBKs, are deleted by the "PURGE IMG"
              command processing (HCPCSUPU).

 

IDHBK Control Block Content


IDHBK DSECT

Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure IDHBK Spool Image Library Directory Header 0000 0 Character 8 IDHNAME Image Library name 0008 8 Signed 4 IDHLENDR Length of directory record, including header 000C 12 Signed 4 IDHNUMDE Number of directory entries (IDMBKs) 00000010 IDHSIZE *-IDHBK Size in bytes 00000002 IDHSZDW (*-IDHBK+7)/8 Size in doublewords

 

IDHBK Storage Layout

*** IDHBK - Spool Image Library Directory Header
*
*     +-------------------------------------------------------+
*   0 |                       IDHNAME                         |
*     +---------------------------+---------------------------+
*   8 |         IDHLENDR          |         IDHNUMDE          |
*     +---------------------------+---------------------------+
*  10
*
*** IDHBK - Spool Image Library Directory Header

 

IDHBK Cross Reference

(contains links to field and bit definitions)
Symbol         Dspl Value
-------------- ---- -----

IDHLENDR 0008

IDHNAME 0000

IDHNUMDE 000C

IDHSIZE 000C 00000010

IDHSZDW 000C 00000002


This information is based on VM/ESA 2.4.0.
Last updated on 3 Aug 1999 at 12:05:20 EDT.
Copyright IBM Corporation, 1990, 1999