- N
- NAGIOS_INSUFFICIENT_PRIV
- NAGIOS_METADATA_DIR
- NAGIOS_NOT_INSTALLED
- NAGIOS_PLUGIN_DIR
- NAGIOS_STATE_CRITICAL
- NAGIOS_STATE_DEPENDENT
- NAGIOS_STATE_OK
- NAGIOS_STATE_UNKNOWN
- NAGIOS_STATE_WARNING
- NAME
- NAME_MAX
- NAME_MAX_MINIMUM
- NAME_OF_NONCE_DEVICE
- NAME_OF_RANDOM_DEVICE
- NAN
- NAPPEND
- NARGS
- NATIVE_SLASH
- NBITS
- NDIR
- NEED_MKTIME_INTERNAL
- NEED_MKTIME_WINDOWS
- NEED_MKTIME_WORKING
- NEED_PRINTF_DOUBLE
- NEED_PRINTF_LONG_DOUBLE
- NEGATIVE_SIGN
- NETBSD_LDAV_FILE
- NEUTRAL_FACE
- NEWLINE_CHAR
- NEW_ACE_ACCESS_ALLOWED_ACE_TYPE
- NEW_ACE_ACCESS_DENIED_ACE_TYPE
- NEW_ACE_APPEND_DATA
- NEW_ACE_DELETE
- NEW_ACE_DELETE_CHILD
- NEW_ACE_EVERYONE
- NEW_ACE_EXECUTE
- NEW_ACE_GROUP
- NEW_ACE_IDENTIFIER_GROUP
- NEW_ACE_OWNER
- NEW_ACE_READ_ACL
- NEW_ACE_READ_ATTRIBUTES
- NEW_ACE_READ_DATA
- NEW_ACE_READ_NAMED_ATTRS
- NEW_ACE_SYNCHRONIZE
- NEW_ACE_WRITEA_DATA
- NEW_ACE_WRITE_ACL
- NEW_ACE_WRITE_ATTRIBUTES
- NEW_ACE_WRITE_DATA
- NEW_ACE_WRITE_NAMED_ATTRS
- NEW_ACE_WRITE_OWNER
- NEW_PATTERN
- NEXT_ENDBUF_CONSTRAINT
- NEXT_NEWLINE_CONSTRAINT
- NEXT_NOTWORD_CONSTRAINT
- NEXT_WORD_CONSTRAINT
- NFILES
- NF_IS_COMPAT_DECOMPOSING
- NF_IS_COMPOSING
- NINDIR
- NI_NUMERICHOST
- NI_NUMERICSERV
- NLIMBS1
- NLIMBS3
- NLIST_STRUCT
- NLW
- NMAX
- NODE_IMPL
- NODE_PAYLOAD_ASSIGN
- NODE_PAYLOAD_DISPOSE
- NODE_PAYLOAD_FIELDS
- NODE_PAYLOAD_PARAMS
- NODE_T
- NODE_TO_INDEX
- NODISCARD
- NODOMAINNAME
- NOEXPR
- NOFLSH
- NOHOSTNAME
- NONE
- NONOPTION_P
- NON_TYPE
- NORMALNODE
- NOTCHAR
- NOTE_DELETE
- NOTE_INSERT
- NOTE_ORDERED
- NOTHING_IS_DONE
- NOTLIMWORD
- NOTLIMWORD_CONSTRAINT
- NOT_AN_INODE_NUMBER
- NOT_SATISFY_NEXT_CONSTRAINT
- NOT_SATISFY_PREV_CONSTRAINT
- NOT_WORD_DELIM
- NOT_WORD_DELIM_CONSTRAINT
- NO_CONSTRAINT
- NO_FINALIZE
- NO_LEADING_PERIOD
- NO_LEAF_OPTIMIZATION
- NPROC_ALL
- NPROC_CURRENT
- NPROC_CURRENT_OVERRIDABLE
- NSADDIMAGE_OPTION_MATCH_FILENAME_BY_INSTALLNAME
- NSADDIMAGE_OPTION_NONE
- NSADDIMAGE_OPTION_RETURN_ONLY_IF_LOADED
- NSADDIMAGE_OPTION_RETURN_ON_ERROR
- NSADDIMAGE_OPTION_WITH_SEARCHING
- NSIG
- NSLOOKUPSYMBOLINIMAGE_OPTION_BIND
- NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_FULLY
- NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_NOW
- NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR
- NS_IN6ADDRSZ
- NS_INADDRSZ
- NS_INT16SZ
- NTSTATUS
- NUL
- NULL
- NULL_CHECK
- NUMCHARS
- NUMNAME
- NUMNAME_ENTRIES
- NUM_HIGHBITS
- NUM_LOWBITS
- NUM_RECENT_BAGS
- NUM_RECENT_SUMS
- NUM_ROUNDS
- NWORDS
- NWORDSD
- NWORDSF
- NWORDSL
- NZ
- N_
- N_CS_PRECEDES
- N_DIRECT_ALLOC_ARGUMENTS
- N_DIRECT_ALLOC_DIRECTIVES
- N_GROUPS_INIT
- N_SEP_BY_SPACE
- N_SIGN_POSN
- NaNd
- NaNf
- NaNl
- NeXT