int32 VSQuerytag(int32 vdata_id)
vdata_id
IN:
Vdata identifier returned by VSattach
Purpose
Returns the tag of the specified vdata.
Return value
Returns the tag of the vdata if successful and FAIL (or -1) otherwise.
Description
Returns the tag of the vdata identified by the parameter vdata_id.
FORTRAN
integer function vsqtag(vdata_id)
integer vdata_id