public static extern CLError clGetMemObjectInfo( CLMem memobj, CLMemInfo param_name, SizeT param_value_size, IntPtr param_value, ref SizeT param_value_size_ret);
internal static extern CLError clGetMemObjectInfo(CLMem memobj, CLMemInfo param_name, SizeT param_value_size, IntPtr param_value, ref SizeT param_value_size_ret);