60             outfile = fopen(optarg, "w");  in main()
62                 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));  in main()
67             if (qemu_strtoui(optarg, NULL, 10, &info.prefx) < 0) {  in main()
68                 fprintf(stderr, "not a number: %s\n", optarg);  in main()
73             if (qemu_strtoui(optarg, NULL, 10, &info.prefy) < 0) {  in main()
74                 fprintf(stderr, "not a number: %s\n", optarg);  in main()
79             if (qemu_strtoui(optarg, NULL, 10, &info.maxx) < 0) {  in main()
80                 fprintf(stderr, "not a number: %s\n", optarg);  in main()
85             if (qemu_strtoui(optarg, NULL, 10, &info.maxy) < 0) {  in main()
86                 fprintf(stderr, "not a number: %s\n", optarg);  in main()
91             if (qemu_strtoui(optarg, NULL, 10, &dpi) < 0) {  in main()
92                 fprintf(stderr, "not a number: %s\n", optarg);  in main()
96                 fprintf(stderr, "cannot be zero: %s\n", optarg);  in main()
101             info.vendor = optarg;  in main()
104             info.name = optarg;  in main()
107             info.serial = optarg;  in main()