DSICVA    ICR (5373)

This is a pointer to the medical center division file
(#40.8).  If it is not passed then return data for the primary division as of
that date.

This optional Fileman date only will be used to
return division data of that date.  Default value if not passed is TODAY.

Boolean flag to denote calling as a function (=1) vs
calling from the rpc.

Return p1^p2^p3^p4  where
p1 = pointer to Institution file (#4)
p2 = Institution file name
p3 = Station number
p4 = pointer to Medical Center Division file
(#40.8) for that division
which was the primary division as of that date.