scan for tarfiles in CACHE_DIR, remember what Subdirectory a tar was found in, set the GCF_FLAG on GRFs loaded from there, and hide those in the NewGRF GUI
/* $Id$ */
/** @file road_gui.h Functions/types related to the road GUIs. */
#ifndef ROAD_GUI_H
#define ROAD_GUI_H
#include "road_type.h"
void ShowBuildRoadToolbar(RoadType roadtype);
void ShowBuildRoadScenToolbar();
#endif /* ROAD_GUI_H */