login_getcapnum
rlim_t login_getcapnum(login_cap_t *, const char *, rlim_t, rlim_t);
val = login_getcapnum(lc, "umask", def_val, err_val);
p = login_getcapnum(lc, "priority", def_val, err_val);
{ "maxproc", login_getcapnum, RLIMIT_NPROC },
{ "openfiles", login_getcapnum, RLIMIT_NOFILE },
{ "pseudoterminals", login_getcapnum, RLIMIT_NPTS },
{ "umtxp", login_getcapnum, RLIMIT_UMTXP },
{ "pipebuf", login_getcapnum, RLIMIT_PIPEBUF },
{ "maxproc", login_getcapnum },
{ "openfiles", login_getcapnum },
{ "pseudoterminals",login_getcapnum },
{ "kqueues", login_getcapnum },
{ "umtxp", login_getcapnum },
{ "pipebuf", login_getcapnum },
{ "vmms", login_getcapnum },
retries = login_getcapnum(lc, "login-retries",
backoff = login_getcapnum(lc, "login-backoff",