Upon return, R15 contains a return code indicating the success or failure of this request and may contain the following values:

0

The routine was deleted from the PreInit table

4

The function code is not valid.

16

The token is not valid

20

The PreInit table entry indicated by ceexptbl_index was empty.

24

The index passed is outside the range of the table.

28

The system request to delete the routine failed; the routine was not deleted from the PreInit table.

48

CELQPIPI was called from a non-64–bit environment.