### - s -

- SavegameType : saveload.h
- SaveLoadAction : saveload.cpp
- SaveLoadTypes : saveload.h
- SaveLoadWindowWidgets : fios_gui.cpp
- SaveOrLoadMode : saveload.h
- SaveOrLoadResult : saveload.h
- ScoreID : economy_type.h
- ScreenshotType : screenshot.h
- Searchpath : fileio_type.h
- SelectCompanyLiveryWindowWidgets : company_gui.cpp
- SelectCompanyManagerFaceWidgets : company_gui.cpp
- SendPacketsState : tcp.h
- ServerListType : udp.h
- SetDateWidgets : date_gui.cpp
- SettingDescTypeLong : settings_internal.h
- SettingEntryFlags : settings_gui.cpp
- SettingGuiFlagLong : settings_internal.h
- ShoreReplacement : newgrf.h
- ShowNewGRFParametersWidgets : newgrf_gui.cpp
- ShowNewGRFStateWidgets : newgrf_gui.cpp
- SigFlags : signal.cpp
- SignalOffsets : rail_cmd.cpp
- SignalState : rail_map.h
- SignalType : signal_type.h
- SignalVariant : signal_type.h
- SignListHotkeys : signs_gui.cpp
- SignListWidgets : signs_gui.cpp
- SigSegState : signal_func.h
- SizingType : widget_type.h
- Slope : slope_type.h
- SLRefType : saveload.h
- SmallMapWindowWidgets : smallmap_gui.cpp
- SortButtonState : window_gui.h
- SortListFlags : sortlist_type.h
- SourceType : cargo_type.h
- SpecialMouseMode : window_gui.h
- SpecialStrings : strings_type.h
- SpriteAlignerWidgets : newgrf_debug_gui.cpp
- SpriteCombineMode : viewport.cpp
- SpriteMasks : sprites.h
- SpriteSetup : sprites.h
- SpriteType : gfx_type.h
- SQSaveLoadType : ai_instance.cpp
- StackedZeroSizePlanes : widget_type.h
- StationAnimationTrigger : newgrf_animation_type.h
- StationCallbackMask : newgrf_callbacks.h
- StationClassID : newgrf_station.h
- StationCoverageType : station_gui.h
- StationFacility : station_type.h
- StationHadVehicleOfType : station_type.h
- StationListWidgets : station_gui.cpp
- StationSpecFlags : newgrf_station.h
- StationType : station_type.h
- StationViewWidgets : station_gui.h
- StatusBarInvalidate : statusbar_gui.h
- StatusbarWidget : statusbar_gui.cpp
- StringAlignment : gfx_func.h
- StringControlCode : control_codes.h
- Subdirectory : fileio_type.h
- SubsidyListWidgets : subsidy_gui.cpp
- SwitchMode : openttd.h