12    struct rlimit newrlim;  in main()  local
23    newrlim.rlim_cur = oldrlim.rlim_max+1;  in main()
24    newrlim.rlim_max = oldrlim.rlim_max;  in main()
25    if (setrlimit(RLIMIT_NOFILE, &newrlim) == -1)  in main()
38    newrlim.rlim_cur = oldrlim.rlim_max;  in main()
39    newrlim.rlim_max = oldrlim.rlim_max+1;  in main()
40    if (setrlimit(RLIMIT_NOFILE, &newrlim) == -1)  in main()
53    newrlim.rlim_cur = oldrlim.rlim_cur / 2;  in main()
54    newrlim.rlim_max = oldrlim.rlim_max;  in main()
56    if (setrlimit(RLIMIT_NOFILE, &newrlim) < 0)  in main()
62    if (getrlimit(RLIMIT_NOFILE, &newrlim) < 0)  in main()
68    if (newrlim.rlim_cur != oldrlim.rlim_cur / 2)  in main()
71               (unsigned long long)newrlim.rlim_cur,  in main()
75    if (newrlim.rlim_max != oldrlim.rlim_max)  in main()
78               (unsigned long long)newrlim.rlim_max,  in main()
82    newrlim.rlim_cur -= 3; /* allow for stdin, stdout and stderr */  in main()
84    while (newrlim.rlim_cur-- > 0)  in main()