_DataLength
entry = (AShortFormEntry*)((char*)entry + 3 * sizeof(uint8) + _DataLength(entry));
curOffset += 3 * sizeof(uint8) + _DataLength(entry);
entry = (AShortFormEntry*)((char*)entry + 3 * sizeof(uint8) + _DataLength(entry));
stat.st_size = _DataLength(fEntry);
uint32 _DataLength(AShortFormEntry* entry);