code: def inquire(self):
          
  
          status, nRecs, interlace, fldNames, size, vName = \
                  _C.VSinquire(self._id)
          _checkErr('inquire', status, "cannot query vdata info")
          return nRecs, interlace, fldNames.split(','), size, vName
docs: Retrieve info about the vdata.
  
          Args::
  
            no argument
  
          Returns::
  
            5-element tuple with the following elements:
              -number of records in the vdata
              -interlace mode
              -list of vdata field names
              -size in bytes of the vdata record
              -name of the vdata
  
          C library equivalent : VSinquire