Typedefs starting with `n' in bsd4-4

• nfstype nfs/nfsv2.h:134
• nfsv2fh_t sys/mount.h:283
• nlink_t sys/types.h:62
• n_long netinet/in_systm.h:50
• n_short netinet/in_systm.h:49
• n_time netinet/in_systm.h:52