ipcp_ipv4_find
if ((assign = ipcp_ipv4_find(self, addr4)) == NULL) {
ipcp_ipv4_release(self, ipcp_ipv4_find(self, addr4));
*ipcp_ipv4_find(struct module_ipcp *, struct in_addr);
if (ipcp_ipv4_find(self, addr4) != NULL)
if (ipcp_ipv4_find(self, addr4) == NULL) {