EVRBK | Back to Index page

| Prolog Control Block Contents EVRBK 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.

EVRBK Control Block Content | Top of page

     EVRBK DSECT
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    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      EVRBK          Environment Variables Control Block
    0000    0 Bitstring    1 EVRIPLV (236)  IPLVAR string from IPLPARMS
    00EC  236 Signed       4 EVRIPLVL       Length of IPLVAR string
    00F0  240 Signed       4 EVRSYSV        Pointer to the EVCBK for SYSTEM
                                            environment variables
    00F4  244 Signed       4 *              Reserved for IBM use
              0000001F       EVRSIZE        (*-EVRBK+7)/8 Size in double
                                            words
              000000F8       EVRBSIZE       EVRSIZE*8 Size in bytes

EVRBK Storage Layout | Top of page

    *** EVRBK - Environment Variables Control Block
    *
    *     +-------------------------------------------------------+
    *   0 |                                                       |
    *     =                       EVRIPLV                         =
    *     |                           +---------------------------+
    *  E8 |                           |         EVRIPLVL          |
    *     +---------------------------+---------------------------+
    *  F0 |         EVRSYSV           |///////////////////////////|
    *     +---------------------------+---------------------------+
    *  F8
    *
    *** EVRBK - Environment Variables Control Block

EVRBK Cross Reference | Top of page

    Symbol         Dspl Value
    -------------- ---- -----
    EVRBSIZE       00F4 000000F8
    EVRIPLV        0000
    EVRIPLVL       00EC
    EVRSIZE        00F4 0000001F
    EVRSYSV        00F0

This information is based on z/VM 7.2.0 Last updated on 24 Jun 2020 at 09:28:07 EDT.
Copyright IBM Corporation, 1990, 2020