int32 VSQueryref(int32 vdata_id)
vdata_id
IN:
Vdata identifier returned by VSattach
Purpose
Returns the reference number of a vdata.
Return value
Returns the reference number of the vdata if successful and FAIL (or -1) otherwise.
Description
VSQueryref returns the reference number of the vdata identified by the parameter vdata_id.
FORTRAN
integer function vsqref(vdata_id)
integer vdata_id