### - r -

- RailBuildCost() : rail.h
- RailConvertCost() : rail.h
- RailToolbar_CtrlChanged() : rail_gui.cpp
- RailVehicleChangeInfo() : newgrf.cpp
- RailVehicleLengthChanged() : train_cmd.cpp
- RandomCompanyManagerFaceBits() : company_manager_face.h
- RandomDiagDir() : town_cmd.cpp
- RandomHeight() : tgp.cpp
- RandomTileSeed() : map_func.h
- ReadByte() : oldloader.cpp , oldloader.h
- ReadByteFromFile() : oldloader.cpp
- ReadHeightMap() : heightmap.cpp
- ReadHeightmapBMP() : heightmap.cpp
- ReadHeightmapBMPImageData() : heightmap.cpp
- ReadSpriteHeaderSkipData() : spritecache.cpp
- ReadValue() : saveload.cpp , saveload.h
- ReadyForNextItem() : news_gui.cpp
- ReallocError() : alloc_func.cpp , alloc_func.hpp
- ReallocT() : alloc_func.hpp
- ReallyDoDrawString() : gfx.cpp
- RedrawWaypointSign() : waypoint.h
- ReferenceToInt() : saveload.cpp
- ReinitGuiAfterToggleElrail() : rail_gui.cpp , rail_gui.h
- ReleaseDisastersTargetingIndustry() : disaster_cmd.cpp , industry.h
- ReleaseDisastersTargetingVehicle() : disaster_cmd.cpp , vehicle_func.h
- ReloadNewGRFData() : newgrf.h , afterload.cpp
- RelocateAllWindows() : window.cpp , window_gui.h
- RemapNewGRFStringControlCode() : newgrf_text.cpp , newgrf_text.h
- RemapOldStringID() : saveload_internal.h , strings_sl.cpp
- RemapTTOColour() : oldloader_sl.cpp
- RemoveAllEngineReplacement() : autoreplace.cpp , autoreplace_func.h
- RemoveAllEngineReplacementForCompany() : autoreplace_func.h
- RemoveDuplicatesFromGRFConfigList() : newgrf_config.cpp
- RemoveEngineReplacement() : autoreplace.cpp , autoreplace_func.h
- RemoveEngineReplacementForCompany() : autoreplace_func.h
- RemoveFirstTrack() : track_func.h
- RemoveFirstTrackdir() : track_func.h
- RemoveHalftileSlope() : slope_func.h
- RemoveOrderFromAllVehicles() : order_cmd.cpp , order_func.h
- RemoveRoad() : road_cmd.cpp
- RemoveRoadStop() : station_cmd.cpp
- RemoveTrainWaypoint() : waypoint.h
- RemoveVehicleFromGroup() : group.h , group_cmd.cpp
- RenameSign() : signs_gui.cpp
- ReplaceChain() : autoreplace_cmd.cpp
- ReplaceFreeUnit() : autoreplace_cmd.cpp
- ReportNewsProductionChangeIndustry() : industry_cmd.cpp
- ResetBridges() : tunnelbridge_cmd.cpp , bridge.h
- ResetCompanyLivery() : company_cmd.cpp , livery.h
- ResetCurrencies() : currency.cpp , currency.h
- ResetGenericCallbacks() : newgrf_generic.cpp , newgrf_generic.h
- ResetHouseAge() : town_map.h
- ResetIndustries() : industry.h , industry_cmd.cpp
- ResetIndustryConstructionStage() : industry_map.h
- ResetIndustryCounts() : industry.h
- ResetLandscapeConfirmationCallback() : terraform_gui.cpp
- ResetNewGRFData() : newgrf.cpp
- ResetOldNames() : saveload_internal.h , strings_sl.cpp
- ResetPriceBaseMultipliers() : economy_func.h , economy.cpp
- ResetRailTypes() : rail_cmd.cpp , rail.h
- ResetRestoreAllTransparency() : transparency.h
- ResetSets() : signal.cpp
- ResetSignalHandlers() : afterload.cpp
- ResetSignalVariant() : rail_gui.cpp , rail_gui.h
- ResetStationClasses() : newgrf_station.cpp , newgrf_station.h
- ResetWindowSystem() : window.cpp , window_func.h
- ResizeButtons() : widget.cpp , window_gui.h
- ResizeSprite() : 32bpp_optimized.cpp
- ResizeWindow() : window.cpp , window_func.h
- ResizeWindowForWidget() : window_gui.h , widget.cpp
- ResolveOrder() : ai_order.cpp
- RestoreRandomSeeds() : random_func.hpp
- RestoreVehicleOrders() : order_func.h , order_cmd.cpp
- ReverseDiagDir() : direction_func.h
- ReverseDir() : direction_func.h
- ReverseTrackdir() : track_func.h
- RGBToGrayscale() : heightmap.cpp
- RoadFindPathToDest() : roadveh_cmd.cpp
- RoadToolbar_CtrlChanged() : road_gui.cpp
- RoadTypeToRoadTypes() : road_func.h
- RoadVehiclesAreBuilt() : road_cmd.cpp
- ROL() : bitmath_func.hpp
- ROR() : bitmath_func.hpp
- RotateNeighbour() : ai_road.cpp
- RotateRight() : newgrf_spritegroup.cpp
- RotateRoadBits() : road_func.h
- RunVehicleDayProc() : date.cpp