hfs_cat_keycmp    163 fs/hfs/hfs_fs.h extern int hfs_cat_keycmp(const btree_key *, const btree_key *);
hfs_cat_keycmp    197 fs/hfs/mdb.c   	HFS_SB(sb)->cat_tree = hfs_btree_open(sb, HFS_CAT_CNID, hfs_cat_keycmp);