if err != nil {
		return
	}
	addrs = make([]string, 0, len(ips))
	for _, ip := range ips {
		addrs = append(addrs, ip.String())
	}
	return
}

// lookup entries from /etc/hosts
func goLookupIPFiles(name string) (addrs []IPAddr, canonical string) {
	addr, canonical := lookupStaticHost(name)
	for _, haddr := range addr {
		haddr, zone := splitHostZone(haddr)
		if ip := ParseIP(haddr); ip != nil {