TFiftiMainHeader

type TFiftiMainHeader = record

  Sig: array [0..3] of Byte;

  HTMLFilesCount: DWord;

  RootNodeOffset: DWord;

  Unknown1: DWord;

  LeafNodeCount: DWord;

  CopyOfRootNodeOffset: DWord;

  TreeDepth: Word;

  Unknown2: DWord;

  DocIndexScale: Byte;

  DocIndexRootSize: Byte;

  CodeCountScale: Byte;

  CodeCountRootSize: Byte;

  LocationCodeScale: Byte;

  LocationCodeRootSize: Byte;

  Unknown3: array [0..9] of Byte;

  NodeSize: DWord;

  Unknown4: DWord;

  LastDupWordIndex: DWord;

  LastDupCharIndex: DWord;

  LongestWordLength: DWord;

  TotalWordsIndexed: DWord;

  TotalWords: DWord;

  TotalWordsLengthPart1: DWord;

  TotalWordsLengthPart2: DWord;

  TotalWordsLength: DWord;

  WordBlockUnusedBytes: DWord;

  Unknown5: DWord;

  HTMLFilesCountMinusOne: DWord;

  Unknown6: array [0..23] of Byte;

  WindowsCodePage: DWord;

  LocalID: DWord;

end;