VSQ - Vdata Query Interface VSQuerycount/vsqfnelt Retrieves the number of records in a vdata. VSQueryfields/vsqfflds Retrieves the names of the fields in a vdata. VSQueryinterlace/vsqfintr Retrieves the interlace mode of the vdata. VSQueryname/vsqfname Retrieves the name of a vdata. VSQueryref/vsqref Returns the reference number of a vdata. VSQuerytag/vsqtag Returns the tag of the specified vdata. VSQueryvsize/vsqfvsiz Retrieves the size of a record in a vdata.