Extension-pointer - Teradata Tools and Utilities

Teradata® Call-Level Interface Version 2 Reference for Mainframe-Attached Systems - 17.20

Deployment
VantageCloud
VantageCore
Edition
Enterprise
IntelliFlex
Lake
VMware
Product
Teradata Tools and Utilities
Release Number
17.20
Published
June 2022
ft:locale
en-US
ft:lastEdition
2023-11-17
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obe1474387269547.ditaval
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vfj1470443597526
Product Category
Teradata Tools and Utilities

Extension-pointer is a four-byte field that specifies the address of the first or only DBCAREA extension.

In this language... The variable name for Extension-pointer is...
COBOL DBCAREA-EXT-PTR
PL/I EXT_PTR
C, C++ extension_pointer
IBM Assembler DBCAXP
This routine... Takes the action for Extension-pointer...
DBCHINI writes
DBCHCL reads (IRQ; IWPF)
Extension-pointer is used by... To...
applications write

Each extension applies only to particular functions, so care must be taken to address the proper extension before invoking a function and clearing the Extension-pointer when that function is complete.

For more information about DBCAREA extensions, see DBCAREA Extensions.