void VehicleServiceInDepot(Vehicle *v);

Vehicle *AllocateVehicle(void);

bool AllocateVehicles(Vehicle **vl, int num);

Vehicle *ForceAllocateVehicle(void);

Vehicle *ForceAllocateSpecialVehicle(void);

void VehiclePositionChanged(Vehicle *v);

void AfterLoadVehicles(void);

Vehicle *GetLastVehicleInChain(Vehicle *v);

Vehicle *GetPrevVehicleInChain(const Vehicle *v);

Vehicle *GetFirstVehicleInChain(const Vehicle *v);

uint CountVehiclesInChain(const Vehicle* v);

void DeleteVehicleChain(Vehicle *v);

void *VehicleFromPos(TileIndex tile, void *data, VehicleFromPosProc *proc);

void CallVehicleTicks(void);

Vehicle *FindVehicleOnTileZ(TileIndex tile, byte z);

void InitializeTrains(void);

byte VehicleRandomBits(void);

bool CanFillVehicle(Vehicle *v);

bool CanRefitTo(EngineID engine_type, CargoID cid_to);

CargoID FindFirstRefittableCargo(EngineID engine_type);

int32 GetRefitCost(EngineID engine_type);