ULONG LIB_Close(void)
{
	struct LibBase	*LIBBASE = (struct LibBase *)REG_A6;

	if ((--LIBBASE->Lib.lib_OpenCnt) == 0)
	{
		if (LIBBASE->Lib.lib_Flags & LIBF_DELEXP)
		{
			return (libexpunge(LIBBASE));
		}
	}
	return (0);
}