Extension-pointer - Call-Level Interface Version 2

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

Product
Call-Level Interface Version 2
Release Number
16.10
Published
May 2017
Language
English (United States)
Last Update
2018-05-07
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B035-2417
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previous
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.