NAME getopt, getopt_long, getopt_long_only, optarg, optind, opterr, optopt - Parse command-line options ... struct option * longopts , int * longindex ); int getopt_long_only(int a…NAME getopt, getopt_long, getopt_long_only, optarg, optind, opterr, optopt - Parse command-line options ... struct option * longopts , int * longindex ); int getopt_long_only(int a…NAME getopt, getopt_long, getopt_long_only, optarg, optind, opterr, optopt - Parse command-line options ... struct option * longopts , int * longindex ); int getopt_long_only(int a…NAME getopt, getopt_long, getopt_long_only, optarg, optind, opterr, optopt - Parse command-line options ... struct option * longopts , int * longindex ); int getopt_long_only(int a…NAME getopt, getopt_long, getopt_long_only, optarg, optind, opterr, optopt - Parse command-line options ... struct option * longopts , int * longindex ); int getopt_long_only(int a…NAME getopt, getopt_long, getopt_long_only, optarg, optind, opterr, optopt - Parse command-line options ... struct option * longopts , int * longindex ); int getopt_long_only(int a…NAME getopt, getopt_long, getopt_long_only, optarg, optind, opterr, optopt - Parse command-line options ... struct option * longopts , int * longindex ); int getopt_long_only(int a…attr = &(struct mount_attr){}; while ((ret = getopt_long_only(argc, argv, "", longopts, &index)) != -1) { switch