221 int  main( int argc, char**  argv )  in main()  argument
230     for ( ; argc > 1 && argv[1][0] == '-'; argc--, argv++ )  in main()
232         char*  arg = argv[1] + 1;  in main()
239                     argv++;  in main()
242                     arg = argv[1];  in main()
255     disk_size = strtoll( argv[1], &end, 10 );  in main()
257         fprintf(stderr, "Invalid argument size '%s'\n\n", argv[1]);  in main()
269         fprintf(stderr, "Invalid argument: size '%s' is too small.\n\n", argv[1]);  in main()
272         fprintf(stderr, "Invalid argument: size '%s' is too large.\n\n", argv[1]);  in main()
282     f = fopen( argv[2], "wb" );  in main()
284       fprintf(stderr, "Could not create file '%s': %s\n", argv[2], strerror(errno));  in main()
325       unlink( argv[2] );  in main()
326       fprintf(stderr, "File '%s' was not created.\n", argv[2]);  in main()