public static extern int uv_check_init(UvLoop loop, UvCheck idle);
public static extern int uv_prepare_init(UvLoop loop, UvPrepare idle);
public static extern void uv_stop(UvLoop handle);
public static extern int uv_run(UvLoop handle, UvLoopRunMode mode);
public static extern int uv_loop_close(UvLoop loopHandle);
public static extern int uv_loop_init(UvLoop handle);