25 		printf("ERROR: USBDEVFS_DROP_PRIVILEGES returned %d\n", res);  in drop_privileges()
27 		printf("OK: privileges dropped!\n");  in drop_privileges()
36 		printf("OK: USBDEVFS_RESET succeeded\n");  in reset_device()
38 		printf("ERROR: reset failed! (%d - %s)\n",  in reset_device()
39 		       -res, strerror(-res));  in reset_device()
49 			printf("OK: claimed if %d\n", i);  in claim_some_intf()
51 			printf("ERROR claiming if %d (%d - %s)\n",  in claim_some_intf()
52 			       i, -res, strerror(-res));  in claim_some_intf()
61 	fd = open(argv[1], O_RDWR);  in main()
63 		printf("Failed to open file\n");  in main()
73 		printf("DROP_PRIVILEGES not supported\n");  in main()
81 	drop_privileges(fd, -1U);  in main()
83 	printf("Available options:\n"  in main()
84 		"[0] Exit now\n"  in main()
85 		"[1] Reset device. Should fail if device is in use\n"  in main()
86 		"[2] Claim 4 interfaces. Should succeed where not in use\n"  in main()
87 		"[3] Narrow interface permission mask\n"  in main()
90 	while (scanf("%d", &c) == 1) {  in main()
94 		case 1:  in main()
106 			printf("I don't recognize that\n");  in main()
119 	return 1;  in main()