argument_option(i, argc, argv, "", "--channel", &claimed, &error, &channel, convert_channel);
argument_option(i, argc, argv, "", "--gain", &claimed, &error, &gain);
argument_option(i, argc, argv, "", "--kdm", &claimed, &error, &kdm, string_to_path);
argument_option(i, argc, argv, "", "--channel", &claimed, &error, &channel, convert_channel);
argument_option(i, argc, argv, "", "--gain", &claimed, &error, &gain);
argument_option(i, argc, argv, "", "--kdm", &claimed, &error, &kdm, string_to_path);