CTF Back to Index page
 
Prolog 
Control Block Contents 
   CTF 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.


  CTF Prolog Top of page
  
 NAME       : HCPFCWDS
 DESCRIPTION: DASD Count, Key and Data field layout
 DSECT      : CTF
 
 
  CTF Control Block Content Top of page
  




 CTF DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      CTF            DASD Count, Key and Data field layout
0000    0 Signed       2 CTFCC          Cylinder number
0002    2 Signed       2 CTFHH          Head number
0004    4 Signed       1 CTFR           Record number
0005    5 Signed       1 CTFKL          Key length
0006    6 Signed       2 CTFDL          Data length
          00000008       CTFLEN         *-CTF
 
 
  CTF Storage Layout Top of page
  
          
*** CTF - DASD Count, Key and Data field layout
*
*     +-------------+-------------+------+------+-------------+
*   0 |   CTFCC     |   CTFHH     |CTFR  |CTFKL |   CTFDL     |
*     +-------------+-------------+------+------+-------------+
*   8
*
*** CTF - DASD Count, Key and Data field layout
 
 
  CTF Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
CTFCC          0000
CTFDL          0006
CTFHH          0002
CTFKL          0005
CTFLEN         0006 00000008
CTFR           0004
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:50:29 EDT.
Copyright IBM Corporation, 1990, 2022