iplist_ip2pos
if ((pos = iplist_ip2pos(&ipcp->cfg.peer_list, peer)) != -1) {
iplist_ip2pos(&ipcp->cfg.peer_list, ip) < 0 ||
if (iplist_ip2pos(&ipcp->cfg.peer_list, peer) >= 0) {
extern int iplist_ip2pos(struct iplist *, struct in_addr);