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z/OS User Exits › z/OS Blockmode User Exits—IMS › TIRDEVI—Device Characteristics Exit › Arguments

Arguments

The following table gives a brief description of each of the arguments.

Name

I/O

Description

IO-PCB

Input

Automatically included by the Translator

ALT-IO-PCB

Input

Automatically included by the Translator

DEVCAP

Input/ output

Device Characteristics

Parm 4

Input/ output

TMOHDLCT (dialect)/workarea

GDTA

Input

Address of GLOBDATA

TMOHDLCT is a pointer to the eight-character dialect name as returned from the User Dialect exit, TIRDLCTX. This value represents the current selected dialect. The default exit returns a default dialect value for this parameter.

The DEVCAP is a pointer to a 256-byte structure defined for the return of the device attributes.