Function osm_gps_map_sys::osm_gps_map_convert_geographic_to_screen

pub unsafe extern "C" fn osm_gps_map_convert_geographic_to_screen(
    map: *mut OsmGpsMap, 
    pt: *mut OsmGpsMapPoint, 
    pixel_x: *mut c_int, 
    pixel_y: *mut c_int
)