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

### - f -

- FACIL_AIRPORT : station_type.h
- FACIL_BUS_STOP : station_type.h
- FACIL_DOCK : station_type.h
- FACIL_NONE : station_type.h
- FACIL_TRAIN : station_type.h
- FACIL_TRUCK_STOP : station_type.h
- FACIL_WAYPOINT : station_type.h
- FeatureTownName() : newgrf.cpp
- fetch_metadata : base_media_func.h
- FGCM_ANY : newgrf_config.h
- FGCM_COMPATIBLE : newgrf_config.h
- FGCM_EXACT : newgrf_config.h
- FGCM_NEWEST : newgrf_config.h
- FGCM_NEWEST_VALID : newgrf_config.h
- FileExists() : fileio_func.h , fileio.cpp
- FileSlots : fios.h
- FileType : fios.h
- fill_sound_buffer() : sdl_s.cpp
- FillDrawPixelInfo() : gfx.cpp , gfx_func.h
- FillGRFDetails() : newgrf_config.cpp , newgrf_config.h
- FillNewGRFVehicleCache() : newgrf_engine.cpp
- FILLRECT_CHECKER : gfx_type.h
- FILLRECT_OPAQUE : gfx_type.h
- FILLRECT_RECOLOUR : gfx_type.h
- FillRectMode : gfx_type.h
- FillTimetableArrivalDepartureTable() : timetable_gui.cpp
- FinaliseAirportsArray() : newgrf.cpp
- FinaliseCanals() : newgrf.cpp
- FinaliseCargoArray() : newgrf.cpp
- FinaliseEngineArray() : newgrf.cpp
- FinaliseHouseArray() : newgrf.cpp
- FinaliseIndustriesArray() : newgrf.cpp
- FinaliseObjectsArray() : newgrf.cpp
- FinalisePriceBaseMultipliers() : newgrf.cpp
- FIND_FIRST_BIT : bitmath_func.hpp
- FindChildWindow() : window.cpp
- FindClearedObject() : object_base.h , object_cmd.cpp
- FindClosestTrainDepot() : train_cmd.cpp
- FindDeletedWaypointCloseTo() : waypoint_cmd.cpp
- FindFirstBit() : bitmath_func.cpp , bitmath_func.hpp
- FindFirstBit2x64() : bitmath_func.hpp
- FindFirstCargoWithTownEffect() : town.h , town_cmd.cpp
- FindFirstTrack() : track_func.h
- FindFirstTrackdir() : track_func.h
- FindFurthestFromWater() : town_cmd.cpp
- FindGRFConfig() : newgrf_config.cpp , newgrf_config.h
- FindGRFConfigMode : newgrf_config.h
- FindIndustryToDeliver() : station.cpp
- FindItemValue() : settingsgen.cpp
- FindJoiningBaseStation() : station_cmd.cpp
- FindJoiningRoadStop() : station_cmd.cpp
- FindJoiningStation() : station_cmd.cpp
- FindJoiningWaypoint() : station_cmd.cpp , waypoint_cmd.cpp
- FindLastBit() : bitmath_func.cpp , bitmath_func.hpp
- FindNearestEmptyLand() : town_cmd.cpp
- FindNearestGoodCoastalTownSpot() : town_cmd.cpp
- FindNearestHangar() : aircraft_cmd.cpp
- FindNearIndustryName() : station_cmd.cpp
- FindRailStationEnd() : newgrf_station.cpp
- FindRoadStopSpot() : station_cmd.cpp
- FindSafePosition() : npf.cpp
- FindScenario() : fios.cpp
- FindSpring() : landscape.cpp
- FindStationsAroundTiles() : station_cmd.cpp , station_func.h
- FindStationsNearby() : station_gui.cpp
- FindSubsidyCargoDestination() : subsidy.cpp
- FindSubsidyIndustryCargoRoute() : subsidy.cpp
- FindSubsidyPassengerRoute() : subsidy.cpp
- FindSubsidyTownCargoRoute() : subsidy.cpp
- FindTownForIndustry() : industry_cmd.cpp
- FindTrainCollideEnum() : train_cmd.cpp
- FindTrainOnTrackEnum() : pbs.cpp
- FindUnknownGRFName() : newgrf_config.cpp , newgrf_config.h
- FindVehicleGroupWindow() : group_gui.cpp
- FindVehicleOnPos() : vehicle.cpp , vehicle_func.h
- FindVehicleOnPosXY() : vehicle.cpp , vehicle_func.h
- FindVehiclesInRoadStop() : roadstop.cpp
- FindWindowByClass() : window.cpp , window_func.h
- FindWindowById() : window.cpp , window_func.h
- FindWindowFromPt() : window.cpp , window_gui.h
- FIO_BUFFER_SIZE : fileio.cpp
- FioCheckFileExists() : fileio.cpp , fileio_func.h
- FioCloseAll() : fileio.cpp , fileio_func.h
- FioCloseFile() : fileio.cpp
- FioCreateDirectory() : fileio.cpp
- FioFCloseFile() : fileio.cpp , fileio_func.h
- FioFindFullPath() : fileio.cpp , fileio_func.h
- FioFOpenFile() : fileio.cpp , fileio_func.h
- FioFOpenFileTar() : fileio.cpp
- FioGetFilename() : fileio.cpp , fileio_func.h
- FioGetPos() : fileio.cpp , fileio_func.h
- FioOpenFile() : fileio.cpp , fileio_func.h
- FioReadBlock() : fileio.cpp , fileio_func.h
- FioReadByte() : fileio.cpp , fileio_func.h
- FioReadDword() : fileio.cpp , fileio_func.h
- FioReadWord() : fileio.cpp , fileio_func.h
- FiosBrowseTo() : fios.cpp , fios.h
- FiosDelete() : fios.h , fios.cpp
- FioSeekTo() : fileio.cpp , fileio_func.h
- FioSeekToFile() : fileio.cpp , fileio_func.h
- FiosFreeSavegameList() : fios.cpp , fios.h
- FiosGetDescText() : fios.cpp , fios.h
- FiosGetFileList() : fios.cpp
- FiosGetHeightmapList() : fios.cpp , fios.h
- FiosGetSavegameList() : fios.cpp , fios.h
- FiosGetSavegameListCallback() : fios.h , fios.cpp
- FiosGetScenarioList() : fios.cpp , fios.h
- FiosGetScenarioListCallback() : fios.cpp
- FioSkipBytes() : fileio.cpp , fileio_func.h
- FiosMakeFilename() : fios.cpp
- FiosMakeHeightmapName() : fios.cpp , fios.h
- FiosMakeSavegameName() : fios.cpp , fios.h
- FioTarFirstDir() : fileio.cpp , fileio_func.h
- FIRST_GRF_SLOT : fios.h
- FixOldVehicles() : oldloader_sl.cpp , vehicle_base.h
- FixOwnerOfRailTrack() : afterload.cpp
- FixSlopes() : heightmap.cpp , heightmap.h
- FixTTDDepots() : oldloader_sl.cpp
- FixTTOEngines() : oldloader_sl.cpp
- FixupTrainLengths() : saveload_internal.h , vehicle_sl.cpp
- FixVehicleInclination() : afterload.cpp
- FlaggedCommands : command_type.h
- FlatEmptyWorld() : heightmap.cpp , heightmap.h
- FlatteningFoundation() : slope_func.h
- FLOOD_ACTIVE : water.h
- FLOOD_DRYUP : water.h
- FLOOD_NONE : water.h
- FLOOD_PASSIVE : water.h
- FloodHalftile() : water.h , rail_cmd.cpp
- FloodingBehaviour : water.h
- FloodVehicle() : water_cmd.cpp
- FloodVehicleProc() : water_cmd.cpp
- FloodVehicles() : water_cmd.cpp
- FlowRiver() : landscape.cpp
- FlowsDown() : landscape.cpp
- FlowStatMap : station_base.h
- FLYING : airport.h
- FollowReservation() : pbs.cpp
- FollowTrainReservation() : pbs.cpp , pbs.h
- FONT_HEIGHT_LARGE : gfx_func.h
- FONT_HEIGHT_MONO : gfx_func.h
- FONT_HEIGHT_NORMAL : gfx_func.h
- FONT_HEIGHT_SMALL : gfx_func.h
- FontSize : gfx_type.h
- FOR_ALL_ACTIVE_ADMIN_SOCKETS : network_admin.h
- FOR_ALL_ADMIN_SOCKETS : network_admin.h
- FOR_ALL_ADMIN_SOCKETS_FROM : network_admin.h
- FOR_ALL_AIRCRAFT : aircraft.h
- FOR_ALL_CARGO_PAYMENTS : economy_base.h
- FOR_ALL_CARGO_PAYMENTS_FROM : economy_base.h
- FOR_ALL_CARGOPACKETS : cargopacket.h
- FOR_ALL_CARGOPACKETS_FROM : cargopacket.h
- FOR_ALL_CHUNK_HANDLERS : saveload.cpp
- FOR_ALL_CLIENT_INFOS : network_base.h
- FOR_ALL_CLIENT_INFOS_FROM : network_base.h
- FOR_ALL_CLIENT_SOCKETS : network_server.h
- FOR_ALL_CLIENT_SOCKETS_FROM : network_server.h
- FOR_ALL_DISASTERVEHICLES : vehicle_base.h
- FOR_ALL_EFFECTVEHICLES : effectvehicle_base.h
- FOR_ALL_ORDER_BACKUPS : order_backup.h
- FOR_ALL_ORDER_BACKUPS_FROM : order_backup.h
- FOR_ALL_SEARCHPATHS : fileio_func.h
- FOR_ALL_SHIPS : ship.h
- FOR_ALL_TILES_IN_HEIGHT : tgp.cpp
- FOR_ALL_VEHICLES : vehicle_base.h
- FOR_ALL_VEHICLES_FROM : vehicle_base.h
- FOR_ALL_VEHICLES_OF_TYPE : vehicle_base.h
- FOR_ALL_WAYPOINTS : waypoint_base.h
- FOR_ALL_WINDOWS_FROM_BACK_FROM : window_gui.h
- FOR_EACH_SET_BIT : bitmath_func.hpp
- FOR_EACH_SET_BIT_EX : bitmath_func.hpp
- FOR_EACH_SET_ROADTYPE : road_func.h
- FOR_EACH_SET_TRACK : track_func.h
- ForceReverse() : npf.cpp
- foreach_draw_tile_seq : sprite.h
- FormatBytes() : strings.cpp
- FormatNumber() : strings.cpp
- FormatString() : strings.cpp
- FormatStringLinebreaks() : gfx.cpp , gfx_func.h
- Foundation : slope_type.h
- FOUNDATION_HALFTILE_E : slope_type.h
- FOUNDATION_HALFTILE_N : slope_type.h
- FOUNDATION_HALFTILE_S : slope_type.h
- FOUNDATION_HALFTILE_W : slope_type.h
- FOUNDATION_INCLINED_X : slope_type.h
- FOUNDATION_INCLINED_Y : slope_type.h
- FOUNDATION_INVALID : slope_type.h
- FOUNDATION_LEVELED : slope_type.h
- FOUNDATION_NONE : slope_type.h
- FOUNDATION_PART_HALFTILE : viewport.cpp
- FOUNDATION_PART_NONE : viewport.cpp
- FOUNDATION_PART_NORMAL : viewport.cpp
- FOUNDATION_RAIL_E : slope_type.h
- FOUNDATION_RAIL_N : slope_type.h
- FOUNDATION_RAIL_S : slope_type.h
- FOUNDATION_RAIL_W : slope_type.h
- FOUNDATION_STEEP_BOTH : slope_type.h
- FOUNDATION_STEEP_LOWER : slope_type.h
- FoundationPart : viewport.cpp
- FR_BORDERONLY : window_gui.h
- FR_DARKENED : window_gui.h
- FR_LOWERED : window_gui.h
- FR_TRANSPARENT : window_gui.h
- FrameFlags : window_gui.h
- free() : depend.cpp , stdafx.h
- FreeHeightMap() : tgp.cpp
- FreeTerminal() : aircraft_cmd.cpp
- FreeTrainTrackReservation() : train.h , train_cmd.cpp
- FreightWagonMult() : train.h , train_cmd.cpp
- FS2OTTD() : win32.cpp
- FS_BEGIN : gfx_type.h
- FS_LARGE : gfx_type.h
- FS_MONO : gfx_type.h
- FS_NORMAL : gfx_type.h
- FS_SMALL : gfx_type.h
- FT_HEIGHTMAP : fios.h
- FT_NONE : fios.h
- FT_SAVEGAME : fios.h
- FT_SCENARIO : fios.h