### - a -

- a : Colour , SpriteLoader::CommonPixel
- abbrev : CargoSpec
- abort : GenWorldInfo
- aborted : TCPConnecter
- abortp : GenWorldInfo
- acache : Aircraft
- acceleration : Vehicle
- acceleration_type : RailtypeInfo
- acceptance : IndustryTileSpec
- accepts_cargo : HouseSpec , Industry , IndustrySpec , IndustryTileSpec
- accepts_lines : StationViewWindow
- action : SaveLoadParams
- actions : NetworkClientListPopupWindow
- active : GenWorldInfo
- add_accepted_cargo_proc : TileTypeProcs
- add_produced_cargo_proc : TileTypeProcs
- address : NetworkAddress , TCPConnecter , NetworkGameList , SaveLoad
- address_length : NetworkAddress
- adjacent_stations : StationSettings
- advanced : SelectCompanyManagerFaceWindow
- advanced_vehicle_list : GUISettings
- age : NewsTypeData
- ai : NetworkCompanyStats , GameSettings
- ai_config : GameSettings
- ai_disable_veh_aircraft : AISettings
- ai_disable_veh_roadveh : AISettings
- ai_disable_veh_ship : AISettings
- ai_disable_veh_train : AISettings
- ai_in_multiplayer : AISettings
- ai_max_opcode_till_suspend : AISettings
- ai_passenger_only : RailVehicleInfo
- air_drag : RoadVehicleInfo
- airport_flags : Station
- airport_tile : Station
- alloc_cache : Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tcache, Tzero >
- allocated : StationSpec
- allow_do_command : AIStorage
- allow_shares : EconomySettings
- allow_town_roads : EconomySettings
- always_accepted : Station
- always_build_infrastructure : GUISettings
- amount : CargoArray , OldChunks , CargoSummaryItem
- anim_buf : Blitter_32bppAnim
- anim_next : IndustryTileSpec
- anim_production : IndustryTileSpec
- anim_state : IndustryTileSpec
- animate_cur : CursorVars
- animate_list : CursorVars
- animate_timeout : CursorVars
- animation_frames : HouseSpec
- animation_info : IndustryTileSpec , AirportTileSpec
- animation_speed : HouseSpec , IndustryTileSpec , AirportTileSpec
- animation_triggers : IndustryTileSpec
- appear_creation : IndustrySpec
- appear_ingame : IndustrySpec
- area : SelectStationWindow< T >
- arg : OTTDThreadStartupMessage
- array : CargoSpec
- arrival : TimetableArrivalDeparture
- at : LoggedAction
- auto_euro : GUISettings
- auto_rail : RailtypeInfo
- autoclean_companies : NetworkSettings
- autoclean_novehicles : NetworkSettings
- autoclean_protected : NetworkSettings
- autoclean_unprotected : NetworkSettings
- autorail : RailtypeInfo
- autosave : GUISettings
- autosave_on_exit : GUISettings
- autoscroll : GUISettings
- autoslope : ConstructionSettings
- avail_year : BridgeSpec
- available_sets : BaseMedia< Tbase_set >
- awarded : Subsidy