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).
 RELOCATION CONSIDERATIONS : None

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

 
Symbol         Dspl Value
-------------- ---- -----
IDHLENDR       0008
IDHNAME        0000
IDHNUMDE       000C
IDHSIZE        000C 00000010
IDHSZDW        000C 00000002