### - a -

- a : Blitter_32bppSimple::Pixel , Colour , DiagonalTileArea , SpriteLoader::CommonPixel
- a_cur : DiagonalTileIterator
- a_max : DiagonalTileIterator
- aa : FreeTypeSubSetting
- abbrev : CargoSpec
- abort : GenWorldInfo
- aborted : TCPConnecter
- abortp : GenWorldInfo
- acceleration : Vehicle
- acceleration_type : RailtypeInfo
- acceptance : IndustryTileSpec , NewsSettings
- acceptance_pickup : GoodsEntry
- accepts_cargo : HouseSpec , Industry , IndustrySpec , IndustryTileSpec
- accepts_lines : StationViewWindow
- accident : NewsSettings
- accuracy : DemandCalculator , LinkGraphSettings
- acs : NWidgetNewGRFDisplay
- action : SaveLoadParams
- action14present : NewGRFParametersWindow
- ACTION_CLEAR : QueryString
- action_counts : VehicleCargoList
- ACTION_DESELECT : QueryString
- ACTION_NOTHING : QueryString
- actions : NetworkClientListPopupWindow
- active : CocoaSubdriver
- active_over : NewGRFWindow
- active_sel : NewGRFWindow
- actives : NewGRFWindow
- add_accepted_cargo_proc : TileTypeProcs
- add_produced_cargo_proc : TileTypeProcs
- address : NetworkAddress , TCPConnecter , ServerNetworkAdminSocketHandler , NetworkGameList , SaveLoad
- address_length : NetworkAddress
- adjacent_stations : StationSettings
- admin_name : NetworkAdminSocketHandler
- admin_password : NetworkSettings
- admin_version : NetworkAdminSocketHandler
- advanced : SelectCompanyManagerFaceWindow
- advanced_vehicle_list : GUISettings
- advice : NewsSettings
- afilter : Textbuf
- age : NewsTypeData , Vehicle
- ai : NetworkCompanyStats , GameSettings
- ai_callback : GenericScopeResolver
- ai_config : AISettingsWindow , GameSettings
- ai_debug_company : AIDebugWindow
- ai_developer_tools : GUISettings
- 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_passenger_only : RailVehicleInfo
- air_drag : RailVehicleInfo , RoadVehicleInfo
- airport : CompanyInfrastructure , Station
- airport_class : TileDesc
- airport_flag : MovementTerminalMapping
- airport_id : AirportScopeResolver , AirportTileScopeResolver
- airport_name : TileDesc
- airport_tile_name : TileDesc
- alloc_cache : Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >
- allow_do_command : ScriptStorage
- allow_merge : LinkRefresher
- allow_shares : EconomySettings
- allow_town_level_crossings : EconomySettings
- allow_town_roads : EconomySettings
- alternate_labels : RailtypeInfo
- always_accepted : Station
- ambient : SoundSettings
- amount : CargoArray , OldChunks , CargoSummaryItem
- amount_fract : GoodsEntry
- amount_of_rivers : GameCreationSettings
- anim_buf : Blitter_32bppAnim
- anim_buf_height : Blitter_32bppAnim
- anim_buf_width : Blitter_32bppAnim
- anim_next : IndustryTileSpec
- anim_production : IndustryTileSpec
- anim_state : IndustryTileSpec
- animate_cur : CursorVars
- animate_list : CursorVars
- animate_timeout : CursorVars
- animation : HouseSpec , IndustryTileSpec , AirportTileSpec , ObjectSpec
- animation_special_flags : AirportTileSpec
- animation_state : EffectVehicle
- animation_substate : EffectVehicle
- anno : LinkGraphJob::Edge
- api_version : AIInfo , GameInfo
- APIName : Squirrel
- appear_creation : IndustrySpec
- appear_ingame : IndustrySpec
- area : SelectStationWindow< T > , ClearedObjectArea , TileMatrix< T, N >
- arg : OTTDThreadStartupMessage
- argv : GetOptData
- array : CargoSpec , Array
- arrival : TimetableArrivalDeparture
- arrival_other : NewsSettings
- arrival_player : NewsSettings
- ascender : FontCache
- at : LoggedAction
- att : AirportTileTableIterator
- attr : ThreadMutex_pthread
- author : ScriptInfo
- auto_euro : GUISettings
- auto_rail : RailtypeInfo
- auto_refit : RefitWindow
- auto_scrolling : GUISettings
- auto_select : NetworkContentListWindow
- autoclean_companies : NetworkSettings
- autoclean_novehicles : NetworkSettings
- autoclean_protected : NetworkSettings
- autoclean_unprotected : NetworkSettings
- autorail : RailtypeInfo
- autoreplace_defined : GroupStatistics
- autoreplace_finished : GroupStatistics
- autosave : GUISettings
- autosave_on_exit : GUISettings
- autoscroll : AIDebugWindow
- autoslope : ConstructionSettings
- avail_pos : NewGRFWindow
- avail_railtypes : CompanyProperties
- avail_roadtypes : Company
- avail_sel : NewGRFWindow
- avail_year : BridgeSpec
- available_sets : BaseMedia< Tbase_set >
- avails : NewGRFWindow
- avs : NWidgetNewGRFDisplay
- awarded : Subsidy
- axis : StationScopeResolver