All symbols starting with `b' in bsd/ufs/lfs

• blkoff bsd/ufs/lfs/lfs.h:260
• blksize bsd/ufs/lfs/lfs.h:259
• BLOCK_INFO bsd/ufs/lfs/lfs.h:330
• BUMP_FIP bsd/ufs/lfs/lfs_syscalls.c:77