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

• nextgennumber bsd/ufs/lfs/lfs_alloc.c:79
• NINDIR bsd/ufs/lfs/lfs.h:257
• NULL bsd/ufs/lfs/lfs_vnops.c:139
• numfrags bsd/ufs/lfs/lfs.h:268