复合二进制文档

 typedef unsigned long ULONG;    // 4 Bytes  typedef unsigned short USHORT;  // 2 Bytes  typedef short OFFSET;           // 2 Bytes  typedef ULONG SECT;             // 4 Bytes  typedef ULONG FSINDEX;          // 4 Bytes  typedef USHORT FSOFFSET;        // 2 Bytes  typedef USHORT WCHAR;           // 2 Bytes  typedef ULONG DFSIGNATURE;      // 4 Bytes  typedef unsigned char BYTE;     // 1 Byte  typedef unsigned short WORD;    // 2 Bytes  typedef unsigned long DWORD;    // 4 Bytes  typedef ULONG SID;              // 4 Bytes  typedef GUID CLSID;             // 16 Bytes   struct StructuredStorageHeader { // [offset from start (bytes), length (bytes)]      BYTE _abSig[8];             // [00H,08] {0xd0, 0xcf, 0x11, 0xe0, 0xa1, 0xb1,                                  // 0x1a, 0xe1} for current version      CLSID _clsid;               // [08H,16] reserved must be zero (WriteClassStg/                                  // GetClassFile uses root directory class id)      USHORT _uMinorVersion;      // [18H,02] minor version of the format: 33 is                                  // written by reference implementation      USHORT _uDllVersion;        // [1AH,02] major version of the dll/format: 3 for                                  // 512-byte sectors, 4 for 4 KB sectors      USHORT _uByteOrder;         // [1CH,02] 0xFFFE: indicates Intel byte-ordering      USHORT _uSectorShift;       // [1EH,02] size of sectors in power-of-two;                                  // typically 9 indicating 512-byte sectors      USHORT _uMiniSectorShift;   // [20H,02] size of mini-sectors in power-of-two;                                  // typically 6 indicating 64-byte mini-sectors      USHORT _usReserved;         // [22H,02] reserved, must be zero      ULONG _ulReserved1;         // [24H,04] reserved, must be zero      FSINDEX _csectDir;          // [28H,04] must be zero for 512-byte sectors,                                  // number of SECTs in directory chain for 4 KB                                  // sectors      FSINDEX _csectFat;          // [2CH,04] number of SECTs in the FAT chain      SECT _sectDirStart;         // [30H,04] first SECT in the directory chain      DFSIGNATURE _signature;     // [34H,04] signature used for transactions; must                                  // be zero. The reference implementation                                  // does not support transactions      ULONG _ulMiniSectorCutoff;  // [38H,04] maximum size for a mini stream;                                  // typically 4096 bytes      SECT _sectMiniFatStart;     // [3CH,04] first SECT in the MiniFAT chain      FSINDEX _csectMiniFat;      // [40H,04] number of SECTs in the MiniFAT chain      SECT _sectDifStart;         // [44H,04] first SECT in the DIFAT chain      FSINDEX _csectDif;          // [48H,04] number of SECTs in the DIFAT chain      SECT _sectFat[109];         // [4CH,436] the SECTs of first 109 FAT sectors  };