Data Stream Output Exit

Data Stream Output Exit

The exit can inspect and modify the data stream in place but must not change its location or length. The Data Stream Output exit receives control just before CA Dataquery writes a data stream (screen or page image) to a terminal. It can inspect and modify the data stream. To access individual rows of output, see Output Exit. To see information about the DSOEXIT= parameter of the System Option Table, see DQOPTLST Parameters.

Procedure

This exit should be an Assembler language program and is called using standard linkage conventions. On input to the exit, register 1 points to a parameter list as follows:

PARM1:

Address of the data stream

PARM2:

The WCC followed by a 3-byte length of the data stream

PARM3:

Address of the user's two-character language dialect code followed by his two-character primary language code.

Note: The exit cannot use monitor or operating system services.