COPYIFNAME
COPYIFNAME(ifp, ifname, 0);
COPYIFNAME(ifp, ipfl.fl_ifname);
COPYIFNAME(fin->fin_ifp, nat->nat_ifnames[0], fin->fin_v);
COPYIFNAME(fin->fin_ifp, nat->nat_ifnames[0], fin->fin_v);
COPYIFNAME(ifp, is->is_ifname[(out << 1) + 1], fr->fr_v);
COPYIFNAME(ifp, is->is_ifname[(1 - out) << 1], fr->fr_v);
COPYIFNAME(ifp, is->is_ifname[((1 - out) << 1) + 1], fr->fr_v);
COPYIFNAME(fin->fin_ifp, is->is_ifname[out << 1], fin->fin_v);
COPYIFNAME(ifp, is->is_ifname[idx], fin->fin_v);
#ifndef COPYIFNAME