All symbols starting with 'b' in ufs

• blkatoff ufs/ufs_lookup.c:783
• blkfree ufs/ufs_alloc.c:870
• blkmap ufs/fs.h:369
• blknum ufs/fs.h:403
• blkoff ufs/fs.h:383
• blkpref ufs/ufs_alloc.c:395
• blkroundup ufs/fs.h:393
• blksize ufs/fs.h:417
• blkstofrags ufs/fs.h:399
• bmap ufs/ufs_bmap.c:54
• bounds_check_with_label ufs/ufs_disksubr.c:486
• bufstats ufs/ufs_vfsops.c:666