return strings.HasSuffix(strings.ToLower(s), strings.ToLower(suffix))
}

func lookupLocalhost(ctx context.Context, fn func(context.Context, string, string) ([]IPAddr, error), network, host string) ([]IPAddr, error) {
	switch host {
	case "localhost":
		return []IPAddr{
			{IP: IPv4(127, 0, 0, 1)},
			{IP: IPv6loopback},
		}, nil
	default:
		return fn(ctx, network, host)
	}
}

			var ip net.IP
			switch v := addr.(type) {
			case *net.IPNet:
				ip = v.IP
			case *net.IPAddr:
				ip = v.IP
			default:
				continue
			}

			// handling ipv4 wrapping in ipv6
			ipAddr, okay := netip.AddrFromSlice(ip)
			if !okay {
				continue
			}
			unwrapAddr := ipAddr.Unmap()

		for _, a := range addrs {
			if a == addr {
				continue loop
			}
		}
		addrs = append(addrs, addr)
	}
	return
}

func (r *Resolver) lookupIP(ctx context.Context, network, host string) (addrs []IPAddr, err error) {
	if order, conf := systemConf().hostLookupOrder(r, host); order != hostLookupCgo {
		return r.goLookupIP(ctx, network, host, order, conf)
	}

	lits, err := r.lookupHost(ctx, host)
	if err != nil {

	}{
		{
			"Empty",
			func(ip net.IP) bool { return false },
			nil,
			nil,
		},
		{
			"Reject IPAddr x 2",
			func(ip net.IP) bool { return false },
			[]net.Addr{
				mustParseIPAddr("8.8.8.8"),
				mustParseIPAddr("1000::"),
			},
			nil,
		},
		{
			"Accept IPAddr x 2",
			func(ip net.IP) bool { return true },
			[]net.Addr{
				mustParseIPAddr("8.8.8.8"),

		t.Fatalf("%s.  Unable to get IP addresses of this host.", err)
	}

	for _, addr := range addrs {
		var ip net.IP
		switch v := addr.(type) {
		case *net.IPNet:
			ip = v.IP
		case *net.IPAddr:
			ip = v.IP
		}

		if ip.To4() != nil {
			localIP4.Add(ip.String())
		}
	}

	// Filter ipList by IPs those do not start with '127.'.

				}
				if addr.IP.To16() != nil && addr.IP.To4() == nil {
					// netsh does not output netmask for ipv6, so ignore ipv6 mask
					have = append(have, addr.IP.String())
				}
			case *IPAddr:
				if addr.IP.To4() != nil {
					have = append(have, addr.String())
				}
				if addr.IP.To16() != nil && addr.IP.To4() == nil {
					// netsh does not output netmask for ipv6, so ignore ipv6 mask

	}

	addrs, err := net.InterfaceAddrs()
	if err != nil {
		return err
	}
	for _, addr := range addrs {
		var ip net.IP
		switch v := addr.(type) {
		case *net.IPNet:
			ip = v.IP
		case *net.IPAddr:
			ip = v.IP
		}
		if ip != nil && ip.Equal(nodeIP) {
			return nil
		}
	}
	return fmt.Errorf("node IP: %q not found in the host's network interfaces", nodeIP.String())
}

				symtab.AddUint8(0)
			} else {
				symtab.AddUint8(uint8(ldr.SymSect(o).Extnum))
			}
			symtab.AddUint16(ctxt.Arch, 0) // desc
			symtab.AddUintXX(ctxt.Arch, uint64(ldr.SymAddr(s)), ctxt.Arch.PtrSize)
		}
	}
}

func machodysymtab(ctxt *Link, base int64) {
	ml := newMachoLoad(ctxt.Arch, LC_DYSYMTAB, 18)

	n := 0

	addr := peerClient.host.String()
	reqInfo := (&logger.ReqInfo{}).AppendTags("remotePeer", addr)
	ctx := logger.SetReqInfo(GlobalContext, reqInfo)
	peersLogOnceIf(ctx, err, "add-node-err-"+addr)
	nodeInfo.SetAddr(addr)
	nodeInfo.SetError(err.Error())
}

// GetSysErrors - Memory information
func (sys *NotificationSys) GetSysErrors(ctx context.Context) []madmin.SysErrors {