Programming Interface Information: This information is NOT intended to be used as Programming Interfaces of z/VM.

#### TZABK

Prolog

Control Block Contents
TZABK DSECT

Storage Layout

Cross Reference (Contains links to field and bit definitions)

#### TZABK Prolog

     Name       : HCPTZABK
     Description: Time Zone Anchor Block
     DSECT      : TZABK
     Function   : This DSECT maps the pointers to other control
                  blocks for Time Zone control.
     Located by : PFXSYS -> SYSCM
                  SYSZANCR -> TZABK  (Time Zone Anchor Block)
     Created by : HCPZIN
     Deleted by : None

#### TZABK Control Block Content

#### TZABK DSECT

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      TZABK          Time Zone Anchor Block
    0000    0 Address      4 TZATZD         A( Time Zone Definition chain )
    0004    4 Address      4 TZATZI         A( Time Zone Intervals chain )
    0008    8 Address      4 TZACURNT       A( Current TZIBK )
    000C   12 Address      4 TZATRQ         A( Midnight TRQBK )
              00000010       TZABKSZ        *-TZABK Length in bytes
              00000002       TZABKSZD       (*-TZABK+7)/8 Length in Double
                                            words

#### TZABK Storage Layout

    *** TZABK - Time Zone Anchor Block
    *
    *     +---------------------------+---------------------------+
    *   0 |          TZATZD           |          TZATZI           |
    *     +---------------------------+---------------------------+
    *   8 |         TZACURNT          |          TZATRQ           |
    *     +---------------------------+---------------------------+
    *  10
    *
    *** TZABK - Time Zone Anchor Block

#### TZABK Cross Reference

    Symbol         Dspl Value
    -------------- ---- -----
    TZABKSZ        000C 00000010
    TZABKSZD       000C 00000002
    TZACURNT       0008
    TZATRQ         000C
    TZATZD         0000
    TZATZI         0004

This information is based on z/VM V5R2.0. Last updated on 12 Apr 2006 at 17:36:24 EDT.
Copyright IBM Corporation, 1990, 2005