CFSGetDSFlags

  CFSGetDSFlags returns the DS flags form a cfs file

  Example:
  val=CFSGetDSFlags(fid, DS)

  The CFS filing system is copyright Cambridge Electonic Design.
  See the Cambridge Electonic Design CFS manual for further details
  (www.ced.co.uk)

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  Author: Malcolm Lidierth 03/07
  Copyright © The Author & King's College London 2007
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