IBM SC33-1683-02 - Manual (Page 239)

Exit XTCTOUT
When invoked
Before a TCAM output event.
Exit-specific parameters
UEPTCTTE
Address of the terminal control table terminal entry (TCTTE). The
TCTTE can be mapped using the DSECT DFHTCTTE.
UEPTIOA
Address of the terminal input/output area (TIOA). The TIOA can be
mapped using the DSECT DFHTIOA. However, fields TIOASAL and
TIOASCA are not programming interfaces.
UEPTCTLE
Address of the terminal control table line entry (TCTLE). The
TCTLE can be mapped using the DSECT DFHTCTLE.
Return codes
UERCNORM
Continue processing – format the TCAM header.
UERCBYP
Suppress formatting of the TCAM header.
XPI calls
All can be used.
terminal control program exits
Chapter 1. Global user exit programs 207