2.5.1 Fib
The Fib structure contains information about the document and specifies the file pointers to various portions that make up the document.
The Fib is a variable length structure. With the exception of the base portion which is fixed in size, every section is preceded with a count field that specifies the size of the next section.
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2 |
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base (32 bytes) |
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csw |
fibRgW (28 bytes) |
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cslw |
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fibRgLw (88 bytes) |
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cbRgFcLcb |
fibRgFcLcbBlob (variable) |
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cswNew |
fibRgCswNew (variable) |
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base (32 bytes): The FibBase.
csw (2 bytes): An unsigned integer that specifies the count of 16-bit values corresponding to fibRgW that follow. MUST be 0x000E.
fibRgW (28 bytes): The FibRgW97.
cslw (2 bytes): An unsigned integer that specifies the count of 32-bit values corresponding to fibRgLw that follow. MUST be 0x0016.
fibRgLw (88 bytes): The FibRgLw97.
cbRgFcLcb (2 bytes): An unsigned integer that specifies the count of 64-bit values corresponding to fibRgFcLcbBlob that follow. This MUST be one of the following values, depending on the value of nFib.
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Value of nFib
cbRgFcLcb
0x00C1
0x005D
0x00D9
0x006C
0x0101
0x0088
0x010C
0x00A4
0x0112
0x00B7
fibRgFcLcbBlob (variable): The FibRgFcLcb.
cswNew (2 bytes): An unsigned integer that specifies the count of 16-bit values corresponding to fibRgCswNew that follow. This MUST be one of the following values, depending on the value of nFib.
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Value of nFib
cswNew
0x00C1
0
0x00D9
0x0002
0x0101
0x0002
0x010C
0x0002
0x0112
0x0005
fibRgCswNew (variable): Optional. If cswNew is nonzero, this is fibRgCswNew. Otherwise, it is not present in the file.