memset(servers4,'\0',sizeof(in_addr) * DNS_MAX);
if (dns_aton4_s(dnsserver,&addr4) != NULL)
memcpy(&servers4[i4++],&addr4,sizeof(in_addr));
memset(servers4,'\0',sizeof(in_addr) * DNS_MAX);
if (dns_aton4_s(dnsserver,&addr4) != NULL)
memcpy(&servers4[i4++],&addr4,sizeof(in_addr));