write_dsfield
write_dsfield(m, cl->cl_pktattr, 0);
write_dsfield(m, cl->cl_pktattr, 0);
write_dsfield(m, cl->cl_pktattr, 0);
write_dsfield(m, pktattr, dsfield);
write_dsfield(m, cl->pktattr_, 0);
void write_dsfield(struct mbuf *, struct altq_pktattr *, u_int8_t);