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

• nextgennumber bsd/ufs/lfs/lfs_alloc.c:76
• NINDIR bsd/ufs/lfs/lfs.h:254
• NULL bsd/ufs/lfs/lfs_vnops.c:136
• numfrags bsd/ufs/lfs/lfs.h:265