gtpm1m1oTPF V4R1 Migration Guide: 3.1 to 4.1

Control Program User Exits

All user exit code in CCCTIN must be modified to run in the new control program environment. This affects the following user exits.

User Exit
Description

 CT25 
Reserves storage for user tables

 CT26 
Reserves storage for user Systems Network Architecture (SNA) tables.

New control program exits and changes to other control program exits are listed in New, Changed, and Obsolete User Exits.