Determining If a DESERV Exit Is Active

To determine if a DESERV exit is active issue the DESERV macro with FUNC=EXIT and choose the following options:

Table 1. Determining If a DESERV Exit Is Active
For this parameter	choose this:
EXIT_OPTION	QUERY
EXIT_SCOPE	(application dependant)
EXIT_PREV_DSTPTR	The address of a 4 byte area into which the currently active DST address is returned (or zero if there is no currently defined DST address.)