- NAME_MAX
- NBPG
- NBUF
- NCC
- NCCS
- NCR
- NEEDBITS
- NET16
- NET_TIMER
- NEW_MINIX_SUPER_MAGIC
- NEXTBYTE
- NFBAD
- NFBLK
- NFCHR
- NFDBITS
- NFDIR
- NFFIFO
- NFLNK
- NFNON
- NFREG
- NFSERR_ACCES
- NFSERR_DQUOT
- NFSERR_EXIST
- NFSERR_FBIG
- NFSERR_IO
- NFSERR_ISDIR
- NFSERR_NAMETOOLONG
- NFSERR_NODEV
- NFSERR_NOENT
- NFSERR_NOSPC
- NFSERR_NOTDIR
- NFSERR_NOTEMPTY
- NFSERR_NXIO
- NFSERR_PERM
- NFSERR_ROFS
- NFSERR_STALE
- NFSERR_WFLUSH
- NFSMODE_BLK
- NFSMODE_CHR
- NFSMODE_DIR
- NFSMODE_FIFO
- NFSMODE_FMT
- NFSMODE_LNK
- NFSMODE_REG
- NFSMODE_SOCK
- NFSOCK
- NFSPROC_CREATE
- NFSPROC_GETATTR
- NFSPROC_LINK
- NFSPROC_LOOKUP
- NFSPROC_MKDIR
- NFSPROC_NULL
- NFSPROC_READ
- NFSPROC_READDIR
- NFSPROC_READLINK
- NFSPROC_REMOVE
- NFSPROC_RENAME
- NFSPROC_RMDIR
- NFSPROC_ROOT
- NFSPROC_SETATTR
- NFSPROC_STATFS
- NFSPROC_SYMLINK
- NFSPROC_WRITE
- NFSPROC_WRITECACHE
- NFS_COOKIESIZE
- NFS_DEF_FILE_IO_BUFFER_SIZE
- NFS_FH
- NFS_FHSIZE
- NFS_FIFO_DEV
- NFS_LOOKUP_CACHE_SIZE
- NFS_MAXDATA
- NFS_MAXGROUPS
- NFS_MAXNAMLEN
- NFS_MAXPATHLEN
- NFS_MAX_FILE_IO_BUFFER_SIZE
- NFS_MAX_RPC_TIMEOUT
- NFS_MOUNT_INTR
- NFS_MOUNT_NOAC
- NFS_MOUNT_NOCTO
- NFS_MOUNT_POSIX
- NFS_MOUNT_SECURE
- NFS_MOUNT_SOFT
- NFS_MOUNT_VERSION
- NFS_OK
- NFS_PORT
- NFS_PROC_DEBUG
- NFS_PROGRAM
- NFS_READDIR_CACHE_SIZE
- NFS_SERVER
- NFS_SUPER_MAGIC
- NFS_VERSION
- NGROUPS
- NGROUPS_MAX
- NIL_FILP
- NL0
- NL1
- NLDLY
- NMAGIC
- NOFLSH
- NOGROUP
- NOP
- NORMAL_TIMEOUT
- NORMAL_VGA
- NORM_TRANS
- NOTIFY_MODE
- NOTIFY_SIZE
- NOTIFY_TIME
- NOTIFY_UIDGID
- NOT_EMPTY
- NOT_EMPTY_0
- NOT_READY
- NO_CONTROLLER
- NO_DMA
- NO_FILE
- NO_OP
- NO_RECONNECT
- NO_SENSE
- NO_TAPE
- NO_TRACK
- NPAR
- NPROTO
- NR_BASE_DIRENTRY
- NR_BLK_DEV
- NR_CONSOLES
- NR_FILE
- NR_FILE_LOCKS
- NR_HASH
- NR_INODE
- NR_LAST_FREE_PAGES
- NR_LDISCS
- NR_OPEN
- NR_PORTS
- NR_REQUEST
- NR_ROOT_DIRENTRY
- NR_SUPER
- NR_TASKS
- NSIG
- NSOCKETS
- NULL
- NULL_TRANS
- NUM_SIGNATURES
- N_ABS
- N_BADMAG
- N_BSS
- N_BSSADDR
- N_DATA
- N_DATADDR
- N_DATOFF
- N_DRELOFF
- N_EXT
- N_FLAGS
- N_FN
- N_INDR
- N_MACHTYPE
- N_MAGIC
- N_MAX
- N_MOUSE
- N_SETA
- N_SETB
- N_SETD
- N_SETT
- N_SETV
- N_SET_FLAGS
- N_SET_INFO
- N_SET_MACHTYPE
- N_SET_MAGIC
- N_SLIP
- N_STAB
- N_STROFF
- N_SYMOFF
- N_TEXT
- N_TRELOFF
- N_TTY
- N_TXTADDR
- N_TXTOFF
- N_TYPE
- N_UNDF