bbr_clone_rsm
bbr_clone_rsm(bbr, nrsm, rsm, (rsm->r_end - maxseg));
bbr_clone_rsm(bbr, nrsm, rsm, c_end);
bbr_clone_rsm(bbr, nrsm, rsm, seq_out);
bbr_clone_rsm(bbr, nrsm, rsm, start);
bbr_clone_rsm(bbr, nrsm, rsm, end);
bbr_clone_rsm(bbr, nrsm, rsm, max_seq);