Major call 4
Prior to Major Call 4, DFSORT sets the following fields
in the EFS interface parameter list:
- Action code=12
Major Call 4 is in effect.
DFSORT calls EFS program EFSPGM at Major Call 4, and EFSPGM
sets the following fields in the EFS interface parameter list:
- Message list=0
EFSPGM has no messages for DFSORT to print to the message data set.
And general register 15 is set to zero.