DIRSECT Back to Index page
 
Prolog 
Control Block Contents 
   DIRSECT DSECT
Storage Layout 
Cross Reference (Contains links to field and bit definitions)
Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.


  DIRSECT Prolog Top of page
  
 NAME       : LIB
 DESCRIPTION: CMS PDS Directory Entry
 DSECT      : DIRSECT
 FUNCTION   : DIRSECT describes the fields of a CMS PDS
              directory entry.
 
 
  DIRSECT Control Block Content Top of page
  




 DIRSECT DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      DIRSECT        CMS PDS Directory Entry
0000    0 Character    8 DIRMEMB        MEMBER NAME
0008    8 Signed       2 DIRITEMX       SCP 2 BYTE START ITEM NO.
000A   10 Bitstring    1 DIRFLG1        FLAG BYTE 1
000B   11 Bitstring    1 DIRFLG2        FLAG BYTE 2 * FLAG DEFINITIONS
                                        FOR DIRFLG2
          1... ....      DIRNA          X'80' NOT AN ALIAS
          .... ...1      NULLREC        X'01' NULL RECORD ADDED FOR OS
                                        SIM..
000C   12 Signed       4 DIRITEM        STARTING ITEM NO. OF MEMBER
          00000010       DIRENTSZ       *-DIRSECT LENGTH OF DIRECTORY
                                        ENTRY
          00000010       DIRNEXT        *
 
 
  DIRSECT Storage Layout Top of page
  
          
*** DIRSECT - CMS PDS Directory Entry
*
*     +-------------------------------------------------------+
*   0 |                       DIRMEMB                         |
*     +-------------+------+------+---------------------------+
*   8 |  DIRITEMX   |:FLG1 |:FLG2 |         DIRITEM           |
*     +-------------+------+------+---------------------------+
*  10
*
*** DIRSECT - CMS PDS Directory Entry
 
 
  DIRSECT Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
DIRENTSZ       000C 00000010
DIRFLG1        000A
DIRFLG2        000B
DIRITEM        000C
DIRITEMX       0008
DIRMEMB        0000
DIRNA          000B 80
DIRNEXT        000C 00000010
NULLREC        000B 01
 
This information is based on z/VM 7.2.0 Last updated on 24 Jun 2020 at 09:36:33 EDT.
Copyright IBM Corporation, 1990, 2020