{ "magic", FLDT_UINT32X, OI(OFF(magic)), C1, 0, TYP_NONE },
{ "level", FLDT_UINT16D, OI(OFF(level)), C1, 0, TYP_NONE },
{ "numrecs", FLDT_UINT16D, OI(OFF(numrecs)), C1, 0, TYP_NONE },
- { "leftsib", FLDT_DFSBNO, OI(OFF(u.s.bb_leftsib)), C1, 0, TYP_BMAPBTD },
- { "rightsib", FLDT_DFSBNO, OI(OFF(u.s.bb_rightsib)), C1, 0, TYP_BMAPBTD },
+ { "leftsib", FLDT_DFSBNO, OI(OFF(u.l.bb_leftsib)), C1, 0, TYP_BMAPBTD },
+ { "rightsib", FLDT_DFSBNO, OI(OFF(u.l.bb_rightsib)), C1, 0, TYP_BMAPBTD },
{ "recs", FLDT_BMAPBTDREC, btblock_rec_offset, btblock_rec_count,
FLD_ARRAY|FLD_ABASE1|FLD_COUNT|FLD_OFFSET, TYP_NONE },
{ "keys", FLDT_BMAPBTDKEY, btblock_key_offset, btblock_key_count,