Defines starting with `n' in bsd/ufs/ufs

• NDADDR bsd/ufs/ufs/dinode.h:89
• NEWDIRFMT bsd/ufs/ufs/dir.h:152
• NIADDR bsd/ufs/ufs/dinode.h:90
• NODQUOT bsd/ufs/ufs/quota.h:190
• NOLOCKF bsd/ufs/ufs/ufs_lockf.c:91