#blocks in seg. hdr's freelists: 0
#blocks below: 0
mapblk 0x00000000 offset: 0
unlocked
map header:: next 0x00000000 #extents: 1 obj#: 60033 flag: 0x40000000
extent map
-----------------------------------------------------------------
0x03c00233 length: 4
nfl = 3, nfb = 1 typ = 1 nxf = 0
seg lst:: flg: unused lhd: 0x00000000 ltl: 0x00000000
seg lst:: flg: unused lhd: 0x00000000 ltl: 0x00000000
seg lst:: flg: unused lhd: 0x00000000 ltl: 0x00000000
seg lst:: flg: unused lhd: 0x00000000 ltl: 0x00000000
end dump data blocks tsn: 27 file#: 15 minblk 562 maxblk 562
对于上述块中字段的说明，以及相关试验。由于篇幅所限，本文不再列举。可参考文献7。
对非segment header的data block的dump方法和上述类似。data block的结构和segment header block不一样，如果需要了解，可查阅参考文献和资料。
