SONBookFileSpace

  SONBOOKFILESPACE Allocates disk space for a file
  ERR=SONBOOKFILESPACE(FH,LSPACE)
                      FHH SON32.DLL file handle
                      LSPACE space in bytes
  Returns 0 or a negative error code

  Author:Malcolm Lidierth
  Matlab SON library:
  Copyright © The Author & King's College London 2005-2006