_ParseTIFFImageFileDirectory
if (_ParseTIFFImageFileDirectory(baseOffset) != B_OK)
status_t status = _ParseTIFFImageFileDirectory(baseOffset, offset);
_ParseTIFFImageFileDirectory(baseOffset);
if (_ParseTIFFImageFileDirectory(baseOffset, fRead.Next<uint32>())
status_t _ParseTIFFImageFileDirectory(off_t baseOffset, uint32 offset);
status_t _ParseTIFFImageFileDirectory(off_t baseOffset);