Here is a list of all documented functions, variables, defines, enums, and typedefs with links to the documentation:

### - n -

- NBSP : string_type.h
- NC_EQUALSIZE : widget_type.h
- NC_NONE : widget_type.h
- NCB_EQUALSIZE : widget_type.h
- NCDSWW_BACKGROUND : network_content_gui.cpp
- NCDSWW_CANCELOK : network_content_gui.cpp
- NCLWW_BACKGROUND : network_content_gui.cpp
- NCLWW_CANCEL : network_content_gui.cpp
- NCLWW_CHECKBOX : network_content_gui.cpp
- NCLWW_DETAILS : network_content_gui.cpp
- NCLWW_DOWNLOAD : network_content_gui.cpp
- NCLWW_FILTER : network_content_gui.cpp
- NCLWW_FILTER_CAPT : network_content_gui.cpp
- NCLWW_MATRIX : network_content_gui.cpp
- NCLWW_NAME : network_content_gui.cpp
- NCLWW_SCROLLBAR : network_content_gui.cpp
- NCLWW_SEL_ALL_UPDATE : network_content_gui.cpp
- NCLWW_SELECT_ALL : network_content_gui.cpp
- NCLWW_SELECT_UPDATE : network_content_gui.cpp
- NCLWW_TYPE : network_content_gui.cpp
- NCLWW_UNSELECT : network_content_gui.cpp
- NCPWW_BACKGROUND : network_gui.cpp
- NCPWW_CANCEL : network_gui.cpp
- NCPWW_LABEL : network_gui.cpp
- NCPWW_OK : network_gui.cpp
- NCPWW_PASSWORD : network_gui.cpp
- NCPWW_SAVE_AS_DEFAULT_PASSWORD : network_gui.cpp
- ND_DISABLED : widget_type.h
- ND_DROPDOWN_ACTIVE : widget_type.h
- ND_FULL : news_type.h
- ND_LOWERED : widget_type.h
- ND_NO_TRANSPARENCY : widget_type.h
- ND_OFF : news_type.h
- ND_SHADE_DIMMED : widget_type.h
- ND_SHADE_GREY : widget_type.h
- ND_SUMMARY : news_type.h
- NDB_DISABLED : widget_type.h
- NDB_DROPDOWN_ACTIVE : widget_type.h
- NDB_LOWERED : widget_type.h
- NDB_NO_TRANSPARENCY : widget_type.h
- NDB_SHADE_DIMMED : widget_type.h
- NDB_SHADE_GREY : widget_type.h
- NeedLength : saveload.cpp
- NeedRailTypeConversion() : labelmaps_sl.cpp
- NeighbourHasReachableRoad() : ai_road.cpp
- NeighbourIsDesert() : clear_cmd.cpp
- NeighbourToRoadBits() : ai_road.cpp
- NETWORK_CHAT_LENGTH : config.h
- NETWORK_CLIENT_NAME_LENGTH : config.h
- NETWORK_CLIENTS_LENGTH : config.h
- NETWORK_COMPANY_INFO_VERSION : config.h
- NETWORK_COMPANY_NAME_LENGTH : config.h
- NETWORK_CONTENT_MIRROR_HOST : config.h
- NETWORK_CONTENT_MIRROR_PORT : config.h
- NETWORK_CONTENT_MIRROR_URL : config.h
- NETWORK_CONTENT_SERVER_HOST : config.h
- NETWORK_CONTENT_SERVER_PORT : config.h
- NETWORK_DEFAULT_DEBUGLOG_PORT : config.h
- NETWORK_DEFAULT_PORT : config.h
- NETWORK_GAME_INFO_VERSION : config.h
- NETWORK_GRF_NAME_LENGTH : config.h
- NETWORK_HOSTNAME_LENGTH : config.h
- NETWORK_MASTER_SERVER_HOST : config.h
- NETWORK_MASTER_SERVER_PORT : config.h
- NETWORK_MASTER_SERVER_VERSION : config.h
- NETWORK_MASTER_SERVER_WELCOME_MESSAGE : config.h
- NETWORK_MAX_GRF_COUNT : config.h
- NETWORK_NAME_LENGTH : config.h
- NETWORK_NUM_LANDSCAPES : config.h
- NETWORK_NUM_LANGUAGES : config.h
- NETWORK_PASSWORD_LENGTH : config.h
- NETWORK_RCONCOMMAND_LENGTH : config.h
- NETWORK_RECV_STATUS_CLOSE_QUERY : core.h
- NETWORK_RECV_STATUS_CONN_LOST : core.h
- NETWORK_RECV_STATUS_DESYNC : core.h
- NETWORK_RECV_STATUS_MALFORMED_PACKET : core.h
- NETWORK_RECV_STATUS_NEWGRF_MISMATCH : core.h
- NETWORK_RECV_STATUS_OKAY : core.h
- NETWORK_RECV_STATUS_SAVEGAME : core.h
- NETWORK_RECV_STATUS_SERVER_BANNED : core.h
- NETWORK_RECV_STATUS_SERVER_ERROR : core.h
- NETWORK_RECV_STATUS_SERVER_FULL : core.h
- NETWORK_REVISION_LENGTH : config.h
- NETWORK_SERVER_ID_LENGTH : config.h
- NETWORK_VEHICLE_TYPES : network_type.h
- NetworkAction : network_type.h
- NetworkAddChatMessage() : network_chat_gui.cpp
- NetworkAddCommandQueue() : network_command.cpp , network_internal.h
- NetworkAfterNewGRFScan() : network_func.h , network_gamelist.cpp
- NetworkChangeCompanyPassword() : network_client.cpp , network_func.h
- NetworkChatMessageDailyLoop() : network_chat_gui.cpp , network_func.h
- NetWorkChatWidgets : network_chat_gui.cpp
- NetworkClientPreferTeamChat() : network_client.cpp , network_func.h
- NetworkClientRequestMove() : network_client.cpp , network_func.h
- NetworkCompanyIsPassworded() : network.cpp , network_func.h
- NetworkCompanyPasswordWindowWidgets : network_gui.cpp
- NetworkContentListWindowWidgets : network_content_gui.cpp
- NetworkCoreInitialize() : core.cpp , core.h
- NetworkCoreShutdown() : core.cpp , core.h
- NetworkCountActiveClients() : network.cpp
- NetworkDisconnect() : network.cpp , network_func.h
- NetworkDrawChatMessage() : network.h , network_chat_gui.cpp
- NetworkExecuteLocalCommandQueue() : network_command.cpp , network_internal.h
- NetworkFindBroadcastIPs() : host.cpp , host.h
- NetworkFindBroadcastIPsInternal() : host.cpp
- NetworkFindClientInfoFromClientID() : network.cpp , network_func.h
- NetworkFindClientInfoFromIndex() : network.cpp , network_func.h
- NetworkFindClientInfoFromIP() : network.cpp , network_func.h
- NetworkFindClientStateFromClientID() : network.cpp , network_internal.h
- NetworkFreeLocalCommandQueue() : network_internal.h , network_command.cpp
- NetworkGameListAddItem() : network_gamelist.cpp , network_gamelist.h
- NetworkGameListAddItemDelayed() : network_gamelist.cpp , network_gamelist.h
- NetworkGameListHandleDelayedInsert() : network_gamelist.cpp
- NetworkGameListRemoveItem() : network_gamelist.cpp , network_gamelist.h
- NetworkGameListRequery() : network_gamelist.cpp , network_gamelist.h
- NetworkGameWindowWidgets : network_gui.cpp
- NetworkHandlePauseChange() : network.cpp , network_func.h
- NetworkHasJoiningClient() : network.cpp
- NetworkJoinStatusWidgets : network_gui.cpp
- NetworkLanguage : network_internal.h
- NetworkLobbyWindowWidgets : network_gui.cpp
- NetworkMaxCompaniesReached() : network_client.cpp , network_func.h
- NetworkMaxSpectatorsReached() : network_client.cpp , network_func.h
- NetworkPopulateCompanyStats() : network_func.h , network_server.cpp
- NetworkPrintClients() : network_client.cpp , network_func.h
- NetworkReceive() : network.cpp
- NetworkRecvStatus : core.h
- NetworkReInitChatBoxSize() : network_chat_gui.cpp
- NetworkSend_Command() : command_func.h , network_command.cpp
- NetworkServerChangeClientName() : network_func.h , network_server.cpp
- NetworkServerDoMove() : network_func.h , network_server.cpp
- NetworkServerSendConfigUpdate() : network_func.h , network_server.cpp
- NetworkShutDown() : network.cpp , network.h
- NetworkStartServerWidgets : network_gui.cpp
- NetworkStartUp() : network.cpp , network.h
- NetworkSyncCommandQueue() : network_command.cpp , network_internal.h
- NetworkUDPQueryServerThread() : network_udp.cpp
- NetworkUDPRemoveAdvertise() : network_udp.cpp , network_udp.h
- NetworkUndrawChatMessage() : network_chat_gui.cpp , network_func.h
- NEW_INDUSTRYOFFSET : industry_type.h
- NEW_INDUSTRYTILEOFFSET : industry_type.h
- NewGRFConfirmationCallback() : newgrf_gui.cpp
- NewHouseResolver() : newgrf_house.cpp
- NEWLINE : tcp_http.cpp
- NewsDisplay : news_type.h
- NewsFlag : news_type.h
- NewsReferenceType : news_type.h
- NewsSubtype : news_type.h
- NewsType : news_type.h
- NewsTypeWidgets : news_gui.cpp
- NextTrackdir() : track_func.h
- NF_INCOLOUR : news_type.h
- NF_NO_TRANSPARENT : news_type.h
- NF_NONE : news_type.h
- NF_SHADE : news_type.h
- NFB_INCOLOUR : news_type.h
- NFB_NO_TRANSPARENT : news_type.h
- NFB_SHADE : news_type.h
- NGWW_ADD : network_gui.cpp
- NGWW_CANCEL : network_gui.cpp
- NGWW_CLIENT : network_gui.cpp
- NGWW_CLIENT_LABEL : network_gui.cpp
- NGWW_CLIENTS : network_gui.cpp
- NGWW_CONN_BTN : network_gui.cpp
- NGWW_CONNECTION : network_gui.cpp
- NGWW_DATE : network_gui.cpp
- NGWW_DETAILS : network_gui.cpp
- NGWW_DETAILS_SPACER : network_gui.cpp
- NGWW_FIND : network_gui.cpp
- NGWW_HEADER : network_gui.cpp
- NGWW_INFO : network_gui.cpp
- NGWW_JOIN : network_gui.cpp
- NGWW_LASTJOINED : network_gui.cpp
- NGWW_LASTJOINED_LABEL : network_gui.cpp
- NGWW_MAIN : network_gui.cpp
- NGWW_MAPSIZE : network_gui.cpp
- NGWW_MATRIX : network_gui.cpp
- NGWW_NAME : network_gui.cpp
- NGWW_NEWGRF : network_gui.cpp
- NGWW_NEWGRF_SEL : network_gui.cpp
- NGWW_REFRESH : network_gui.cpp
- NGWW_SCROLLBAR : network_gui.cpp
- NGWW_START : network_gui.cpp
- NGWW_YEARS : network_gui.cpp
- NJSW_BACKGROUND : network_gui.cpp
- NJSW_CANCELOK : network_gui.cpp
- NL_CALCLENGTH : saveload.cpp
- NL_NONE : saveload.cpp
- NL_WANTLENGTH : saveload.cpp
- NLWW_BACKGROUND : network_gui.cpp
- NLWW_CANCEL : network_gui.cpp
- NLWW_DETAILS : network_gui.cpp
- NLWW_HEADER : network_gui.cpp
- NLWW_JOIN : network_gui.cpp
- NLWW_MATRIX : network_gui.cpp
- NLWW_NEW : network_gui.cpp
- NLWW_REFRESH : network_gui.cpp
- NLWW_SCROLLBAR : network_gui.cpp
- NLWW_SPECTATE : network_gui.cpp
- NLWW_TEXT : network_gui.cpp
- NO_DIRECTORY : fileio_type.h
- NOCOMP_BUFFER_SIZE : saveload.cpp
- NormaliseDualHeads() : train_cmd.cpp
- NormaliseSubtypes() : train_cmd.cpp
- NormaliseTileOffset() : ai_road.cpp
- NormaliseTrainHead() : train_cmd.cpp
- NormalizeTrainVehInDepot() : train_cmd.cpp
- NOT_IGNORE : depend.cpp
- NPF_FLAG_2ND_SIGNAL : npf.cpp
- NPF_FLAG_3RD_SIGNAL : npf.cpp
- NPF_FLAG_IGNORE_RESERVED : npf.cpp
- NPF_FLAG_IGNORE_START_TILE : npf.cpp
- NPF_FLAG_LAST_SIGNAL_BLOCK : npf.cpp
- NPF_FLAG_LAST_SIGNAL_RED : npf.cpp
- NPF_FLAG_REVERSE : npf.cpp
- NPF_FLAG_SEEN_SIGNAL : npf.cpp
- NPF_FLAG_TARGET_RESERVED : npf.cpp
- NPF_HASH_BITS : npf.cpp
- NPF_INFINITE_PENALTY : pathfinder_type.h
- NPF_OWNER : npf.cpp
- NPF_RAILTYPES : npf.cpp
- NPF_SUB_TYPE : npf.cpp
- NPF_TILE_LENGTH : pathfinder_type.h
- NPF_TRACKDIR_CHOICE : npf.cpp
- NPF_TYPE : npf.cpp
- NPFDistanceTrack() : npf.cpp
- NPFFindSafeTile() : npf.cpp
- NPFGetFlag() : npf.cpp
- NPFHash() : npf.cpp
- NPFMarkTile() : npf.cpp
- NPFNodeFlag : npf.cpp
- NPFRoadVehicleChooseTrack() : npf.cpp , npf_func.h
- NPFRoadVehicleFindNearestDepot() : npf.cpp , npf_func.h
- NPFSaveTargetData() : npf.cpp
- NPFSetFlag() : npf.cpp
- NPFShipChooseTrack() : npf_func.h , npf.cpp
- NPFTrainCheckReverse() : npf.cpp , npf_func.h
- NPFTrainChooseTrack() : npf.cpp , npf_func.h
- NPFTrainFindNearestDepot() : npf.cpp , npf_func.h
- NPFTrainFindNearestSafeTile() : npf_func.h , npf.cpp
- NR_ENGINE : news_type.h
- NR_INDUSTRY : news_type.h
- NR_NONE : news_type.h
- NR_STATION : news_type.h
- NR_TILE : news_type.h
- NR_TOWN : news_type.h
- NR_VEHICLE : news_type.h
- NS_ACCEPTANCE : news_type.h
- NS_ACCIDENT : news_type.h
- NS_ADVICE : news_type.h
- NS_ARRIVAL_COMPANY : news_type.h
- NS_ARRIVAL_OTHER : news_type.h
- NS_COMPANY_BANKRUPT : news_type.h
- NS_COMPANY_MERGER : news_type.h
- NS_COMPANY_NEW : news_type.h
- NS_COMPANY_TROUBLE : news_type.h
- NS_ECONOMY : news_type.h
- NS_END : news_type.h
- NS_GENERAL : news_type.h
- NS_INDUSTRY_CLOSE : news_type.h
- NS_INDUSTRY_COMPANY : news_type.h
- NS_INDUSTRY_NOBODY : news_type.h
- NS_INDUSTRY_OPEN : news_type.h
- NS_INDUSTRY_OTHER : news_type.h
- NS_NEW_VEHICLES : news_type.h
- NS_SUBSIDIES : news_type.h
- NSD_GENERAL : settings.h
- NSSW_CANCEL : network_gui.cpp
- NSSW_CLIENTS_BTND : network_gui.cpp
- NSSW_CLIENTS_BTNU : network_gui.cpp
- NSSW_CLIENTS_TXT : network_gui.cpp
- NSSW_COMPANIES_BTND : network_gui.cpp
- NSSW_COMPANIES_BTNU : network_gui.cpp
- NSSW_COMPANIES_TXT : network_gui.cpp
- NSSW_CONNTYPE_BTN : network_gui.cpp
- NSSW_GAMENAME : network_gui.cpp
- NSSW_LANGUAGE_BTN : network_gui.cpp
- NSSW_LOAD : network_gui.cpp
- NSSW_SELMAP : network_gui.cpp
- NSSW_SETPWD : network_gui.cpp
- NSSW_SPECTATORS_BTND : network_gui.cpp
- NSSW_SPECTATORS_BTNU : network_gui.cpp
- NSSW_SPECTATORS_TXT : network_gui.cpp
- NSSW_START : network_gui.cpp
- NT_ACCEPTANCE : news_type.h
- NT_ACCIDENT : news_type.h
- NT_ADVICE : news_type.h
- NT_ARRIVAL_COMPANY : news_type.h
- NT_ARRIVAL_OTHER : news_type.h
- NT_COMPANY_INFO : news_type.h
- NT_ECONOMY : news_type.h
- NT_END : news_type.h
- NT_GENERAL : news_type.h
- NT_INDUSTRY_CLOSE : news_type.h
- NT_INDUSTRY_COMPANY : news_type.h
- NT_INDUSTRY_NOBODY : news_type.h
- NT_INDUSTRY_OPEN : news_type.h
- NT_INDUSTRY_OTHER : news_type.h
- NT_NEW_VEHICLES : news_type.h
- NT_SUBSIDIES : news_type.h
- NTW_CAPTION : news_gui.cpp
- NTW_CLOSEBOX : news_gui.cpp
- NTW_COMPANY_MSG : news_gui.cpp
- NTW_DATE : news_gui.cpp
- NTW_HEADLINE : news_gui.cpp
- NTW_INSET : news_gui.cpp
- NTW_MESSAGE : news_gui.cpp
- NTW_MGR_FACE : news_gui.cpp
- NTW_MGR_NAME : news_gui.cpp
- NTW_PANEL : news_gui.cpp
- NTW_TITLE : news_gui.cpp
- NTW_VEH_BKGND : news_gui.cpp
- NTW_VEH_INFO : news_gui.cpp
- NTW_VEH_NAME : news_gui.cpp
- NTW_VEH_SPR : news_gui.cpp
- NTW_VEH_TITLE : news_gui.cpp
- NTW_VIEWPORT : news_gui.cpp
- NUM_AIRPORTTILES : airport.h
- NUM_CARGO : cargo_type.h
- NUM_INDUSTRYTILES : industry_type.h
- NUM_INDUSTRYTYPES : industry_type.h
- NUM_SONG_CLASSES : base_media_base.h
- NUM_SONGS_AVAILABLE : base_media_base.h
- NUM_SONGS_CLASS : base_media_base.h
- NUM_SONGS_PLAYLIST : base_media_base.h
- NUM_SUBDIRS : fileio_type.h
- NUM_TLS : town_type.h
- NUM_TRACK_DIRECTIONS : ai_rail.cpp
- NWID_BUTTON_ARROW : widget_type.h
- NWID_BUTTON_DROPDOWN : widget_type.h
- NWID_HORIZONTAL : widget_type.h
- NWID_HORIZONTAL_LTR : widget_type.h
- NWID_SELECTION : widget_type.h
- NWID_SPACER : widget_type.h
- NWID_VERTICAL : widget_type.h
- NWID_VIEWPORT : widget_type.h
- NWidContainerFlags : widget_type.h
- NWidget() : widget_type.h
- NWidgetDisplay : widget_type.h
- NWidgetFunction() : widget_type.h
- NWidgetFunctionType : widget_type.h