ncprange_setip4host
ncprange_setip4host(&dest, arg->bundle->ncp.ipcp.my_ip);
ncprange_setip4host(&dest, arg->bundle->ncp.ipcp.peer_ip);
ncprange_setip4host(&dest, arg->bundle->ncp.ipcp.ns.dns[0]);
ncprange_setip4host(&dest, arg->bundle->ncp.ipcp.ns.dns[1]);
ncprange_setip4host(&fp->f_src, dns[0]);
ncprange_setip4host(&fp->f_dst, dns[0]);
ncprange_setip4host(&fp->f_src, dns[1]);
ncprange_setip4host(&fp->f_dst, dns[1]);
ncprange_setip4host(&ipcp->cfg.peer_range, hisaddr);
ncprange_setip4host(&ipcp->cfg.peer_range, ipcp->peer_ip);
extern void ncprange_setip4host(struct ncprange *, struct in_addr);
ncprange_setip4host(&dest, ip);