if ifi == nil {
		return IPv4zero, nil
	}
	ifat, err := ifi.Addrs()
	if err != nil {
		return nil, err
	}
	for _, ifa := range ifat {
		switch v := ifa.(type) {
		case *IPAddr:
			if v.IP.To4() != nil {
				return v.IP, nil
			}
		case *IPNet:
			if v.IP.To4() != nil {
				return v.IP, nil
			}
		}
	}
	return nil, errNoSuchInterface
}

		pc := ldr.SymValue(s) + int64(r.Off())
		t := calculatePCAlignedReloc(r.Type(), ldr.SymAddr(rs)+r.Add(), pc)
		if r.Type() == objabi.R_LOONG64_ADDR_LO {
			return int64(val&0xffc003ff | (t << 10)), noExtReloc, isOk
		}
		return int64(val&0xfe00001f | (t << 5)), noExtReloc, isOk
	case objabi.R_LOONG64_TLS_LE_HI,
		objabi.R_LOONG64_TLS_LE_LO:
		t := ldr.SymAddr(rs) + r.Add()
		if r.Type() == objabi.R_LOONG64_TLS_LE_LO {

	SYS_SHMAT                  = 228 // { caddr_t shmat(int shmid, const void *shmaddr, \
	SYS_SHMCTL                 = 229 // { int shmctl(int shmid, int cmd, \
	SYS_SHMDT                  = 230 // { int shmdt(const void *shmaddr); }
	SYS_SHMGET                 = 231 // { int shmget(key_t key, size_t size, int shmflg); }

	for _, tc := range tests {
		metricsGetter := &metricsCsi{volumeID: tc.volumeID, targetPath: tc.targetPath}
		metricsGetter.csiClient = &csiDriverClient{
			driverName: "com.google.gcepd",
			nodeV1ClientCreator: func(addr csiAddr, m *MetricsManager) (csipbv1.NodeClient, io.Closer, error) {
				nodeClient := fake.NewNodeClientWithVolumeStats(true /* VolumeStatsCapable */)
				fakeCloser := fake.NewCloser(t)

		}
		switch *_C_ai_family(r) {
		case _C_AF_INET:
			sa := (*syscall.RawSockaddrInet4)(unsafe.Pointer(*_C_ai_addr(r)))
			addr := IPAddr{IP: copyIP(sa.Addr[:])}
			addrs = append(addrs, addr)
		case _C_AF_INET6:
			sa := (*syscall.RawSockaddrInet6)(unsafe.Pointer(*_C_ai_addr(r)))
			addr := IPAddr{IP: copyIP(sa.Addr[:]), Zone: zoneCache.name(int(sa.Scope_id))}
			addrs = append(addrs, addr)
		}
	}
	return addrs, nil
}

	NodeSupportsVolumeMountGroup(ctx context.Context) (bool, error)
}

// Strongly typed address
type csiAddr string

// Strongly typed driver name
type csiDriverName string

// csiClient encapsulates all csi-plugin methods
type csiDriverClient struct {
	driverName          csiDriverName
	addr                csiAddr
	metricsManager      *MetricsManager
	nodeV1ClientCreator nodeV1ClientCreator
}

	sa_mask       uint32
	sa_flags      int32
}

type siginfo struct {
	si_signo  int32
	si_errno  int32
	si_code   int32
	si_pid    int32
	si_uid    uint32
	si_status int32
	si_addr   *byte
	si_value  [8]byte
	si_band   int64
	__pad     [7]uint64
}

type timeval struct {
	tv_sec    int64
	tv_usec   int32
	pad_cgo_0 [4]byte
}

func (tv *timeval) set_usec(x int32) {

	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)
	}
}

	addresses := make(map[string]net.IP)
	for _, cidr := range npa.cidrs {
		for _, addr := range addrs {
			var ip net.IP
			// nw.InterfaceAddrs may return net.IPAddr or net.IPNet on windows, and it will return net.IPNet on linux.
			switch v := addr.(type) {
			case *net.IPAddr:
				ip = v.IP
			case *net.IPNet:
				ip = v.IP
			default:
				continue
			}

			if cidr.Contains(ip) {
				addresses[ip.String()] = ip

	ss_size   uintptr
	ss_flags  int32
	pad_cgo_0 [4]byte
}

type siginfo struct {
	si_signo  int32
	si_errno  int32
	si_code   int32
	si_pid    int32
	si_uid    uint32
	si_status int32
	si_addr   uint64
	si_value  [8]byte
	_reason   [40]byte
}

type mcontext struct {
	mc_onstack       uint64
	mc_rdi           uint64
	mc_rsi           uint64
	mc_rdx           uint64