IPCP_HISADDR_DYN
sp->ipcp.flags &= ~(IPCP_HISADDR_SEEN|IPCP_MYADDR_SEEN|IPCP_MYADDR_DYN|IPCP_HISADDR_DYN);
sp->ipcp.flags |= IPCP_HISADDR_DYN;
if (sp->ipcp.flags & (IPCP_MYADDR_DYN|IPCP_HISADDR_DYN)) {
((sp->ipcp.flags & IPCP_HISADDR_DYN) && desiredaddr != 0)) {
if ((sp->ipcp.flags & IPCP_HISADDR_DYN) && (sp->ipcp.flags & IPCP_HISADDR_SEEN))
if (sp->ipcp.flags & IPCP_HISADDR_DYN &&