Programming Interface Information: This page documents intended Programming Interfaces that allow the customer to write programs to obtain the services of z/VM.

#### AONPARM

Prolog

Control Block Contents
AONPARM DSECT

Storage Layout

Cross Reference (Contains links to field and bit definitions)

#### AONPARM Prolog

     NAME       : AONPARM
     DESCRIPTION: Parameter list for HCPACUON
     DSECT      : AONPARM
     FUNCTION   : Contains the parameters to be passed between the
                  system accounting routines and the accounting
                  user exit HCPACUON.
     LOCATED BY : N/A
     CREATED BY : HCPACO
     DELETED BY : HCPACO

#### AONPARM Control Block Content

#### AONPARM DSECT

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      AONPARM        Parameter list for HCPACUON
         Parameters for IBM 3277 Operator Identification Card Reader Feature.
    0000    0 Signed       4 AONBUFF        Contains one of the following:
                               -  Address of a buffer containing
                                  up to 130 bytes of data that
                                  has been read from the IBM 3277
                                  Operator Identification Card
                                  Reader feature. The data is
                                  user-defined for terminal
                                  operator identification.
         - 0, if the reader feature was not available
         - 4, if an unsuccessful attempt to read this Reader feature was made.
              00000001       AONSIZE        (*-AONPARM+7)/8 AONPARM size in
                                            doublewords

#### AONPARM Storage Layout

    *** AONPARM - Parameter list for HCPACUON
    *
    *     +---------------------------+
    *   0 |         AONBUFF           | 4
    *     +---------------------------+
    *
    *** AONPARM - Parameter list for HCPACUON

#### AONPARM Cross Reference

    Symbol         Dspl Value
    -------------- ---- -----
    AONBUFF        0000
    AONSIZE        0000 00000001

This information is based on z/VM V4R3.0. Last updated on 1 May 2002 at 07:45:27 EDT.
Copyright IBM Corporation, 1990, 2002