lim_rlimit
lim_rlimit(td, which, &bsd_rlim);
lim_rlimit(td, which, &bsd_rlim);
lim_rlimit(td, which, &rl);
lim_rlimit(td, which, &rl);
lim_rlimit(td, uap->which, &rl);
lim_rlimit(td, uap->which, &rlim);
void lim_rlimit(struct thread *td, int which, struct rlimit *rlp);