//sys	Shutdown(s int, how int) (err error)

// In order to use msghdr structure with Control, Controllen in golang.org/x/net,
// nrecvmsg and nsendmsg must be used.
//sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error) = nrecvmsg
//sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error) = nsendmsg

func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) {

			if compiled.MessageExpression != nil {
				messageExpression, newRemainingBudget, msgErr := evalMessageExpression(ctx, compiled.MessageExpression, rule.MessageExpression, activation, remainingBudget)
				if msgErr != nil {
					if msgErr.Type == cel.ErrorTypeInternal {
						addErr(field.InternalError(currentFldPath, msgErr))
						return errs, -1
					} else if msgErr.Type == cel.ErrorTypeInvalid {

		return
	}
	oobn = int(msg.Accrightslen)
	return
}

//sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error) = libsocket.__xnet_sendmsg

func sendmsgN(fd int, p, oob []byte, ptr unsafe.Pointer, salen _Socklen, flags int) (n int, err error) {
	var msg Msghdr
	msg.Name = (*byte)(unsafe.Pointer(ptr))
	msg.Namelen = uint32(salen)
	var iov Iovec
	if len(p) > 0 {

}

type IPMreq struct {
	Multiaddr [4]byte /* in_addr */
	Interface [4]byte /* in_addr */
}

type IPv6Mreq struct {
	Multiaddr [16]byte /* in6_addr */
	Interface uint32
}

type Msghdr struct {
	Name       *byte
	Iov        *Iovec
	Control    *byte
	Flags      int32
	Namelen    int32
	Iovlen     int32
	Controllen int32
}

type Cmsghdr struct {
	Len   int32

	Family uint16
	Data   [14]int8
}

type RawSockaddrAny struct {
	Addr RawSockaddr
	Pad  [96]int8
}

type Iovec struct {
	Base *byte
	Len  uint64
}

type Msghdr struct {
	Name       *byte
	Namelen    uint32
	Iov        *Iovec
	Iovlen     uint64
	Control    *byte
	Controllen uint64
	Flags      int32
	_          [4]byte
}

type Cmsghdr struct {

	Family uint16
	Data   [14]int8
}

type RawSockaddrAny struct {
	Addr RawSockaddr
	Pad  [96]int8
}

type Iovec struct {
	Base *byte
	Len  uint32
}

type Msghdr struct {
	Name       *byte
	Namelen    uint32
	Iov        *Iovec
	Iovlen     uint32
	Control    *byte
	Controllen uint32
	Flags      int32
}

type Cmsghdr struct {
	Len   uint32

	Family uint16
	Data   [14]uint8
}

type RawSockaddrAny struct {
	Addr RawSockaddr
	Pad  [96]uint8
}

type Iovec struct {
	Base *byte
	Len  uint64
}

type Msghdr struct {
	Name       *byte
	Namelen    uint32
	Iov        *Iovec
	Iovlen     uint64
	Control    *byte
	Controllen uint64
	Flags      int32
	_          [4]byte
}

type Cmsghdr struct {

	Family uint16
	Data   [14]uint8
}

type RawSockaddrAny struct {
	Addr RawSockaddr
	Pad  [96]uint8
}

type Iovec struct {
	Base *byte
	Len  uint32
}

type Msghdr struct {
	Name       *byte
	Namelen    uint32
	Iov        *Iovec
	Iovlen     uint32
	Control    *byte
	Controllen uint32
	Flags      int32
}

type Cmsghdr struct {
	Len   uint32

	Family uint16
	Data   [14]uint8
}

type RawSockaddrAny struct {
	Addr RawSockaddr
	Pad  [96]uint8
}

type Iovec struct {
	Base *byte
	Len  uint64
}

type Msghdr struct {
	Name       *byte
	Namelen    uint32
	Iov        *Iovec
	Iovlen     uint64
	Control    *byte
	Controllen uint64
	Flags      int32
	_          [4]byte
}

type Cmsghdr struct {

	Family uint16
	Data   [14]uint8
}

type RawSockaddrAny struct {
	Addr RawSockaddr
	Pad  [96]uint8
}

type Iovec struct {
	Base *byte
	Len  uint64
}

type Msghdr struct {
	Name       *byte
	Namelen    uint32
	Iov        *Iovec
	Iovlen     uint64
	Control    *byte
	Controllen uint64
	Flags      int32
	_          [4]byte
}

type Cmsghdr struct {