ptr, n, err := to.sockaddr()
	if err != nil {
		return err
	}
	return sendto(fd, p, flags, ptr, n)
}

func sendtoInet6(fd int, p []byte, flags int, to *SockaddrInet6) (err error) {
	ptr, n, err := to.sockaddr()
	if err != nil {
		return err
	}
	return sendto(fd, p, flags, ptr, n)
}

func Sendto(fd int, p []byte, flags int, to Sockaddr) (err error) {
	var (
		ptr   unsafe.Pointer

		}
		return len(p), nil
	}
}

// WriteTo wraps the sendto network call.
func (fd *FD) WriteTo(p []byte, sa syscall.Sockaddr) (int, error) {
	if err := fd.writeLock(); err != nil {
		return 0, err
	}
	defer fd.writeUnlock()
	if err := fd.pd.prepareWrite(fd.isFile); err != nil {
		return 0, err
	}
	for {
		err := syscall.Sendto(fd.Sysfd, p, 0, sa)
		if err == syscall.EINTR {
			continue
		}

	if e != 0 {
		err = e
	}
	return
}

func sendto(s int, p []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) {
	var base uintptr
	if len(p) > 0 {
		base = uintptr(unsafe.Pointer(&p[0]))
	}
	_, e := socketcall(_SENDTO, uintptr(s), base, uintptr(len(p)), uintptr(flags), uintptr(to), uintptr(addrlen))
	if e != 0 {
		err = e
	}
	return

	defer close(inQ)

	wg.Add(1)
	go func() {
		defer wg.Done()
		defer close(outQ)
		var q []func()
		for {
			var sendTo chan func()
			var send func()
			if len(q) > 0 {
				sendTo = outQ
				send = q[0]
			}
			select {
			case sendTo <- send:
				q = q[1:]
			case f, ok := <-inQ:
				if !ok {
					return
				}
				q = append(q, f)
			case <-done:
				return

}

func Send(s int, buf []byte, flags int) (err error) {
	return sendto(s, buf, flags, nil, 0)
}

func Sendto(fd int, p []byte, flags int, to Sockaddr) (err error) {
	var ptr unsafe.Pointer
	var salen _Socklen
	if to != nil {
		ptr, salen, err = to.sockaddr()
		if err != nil {
			return err
		}
	}
	return sendto(fd, p, flags, ptr, salen)
}

		s, err := syscall.Socket(syscall.AF_UNIX, syscall.SOCK_DGRAM, 0)
		if err != nil {
			t.Error(err)
			return
		}
		defer syscall.Close(s)
		rsa := &syscall.SockaddrUnix{Name: addr}
		if err := syscall.Sendto(s, data[:], 0, rsa); err != nil {
			t.Error(err)
			return
		}
	}()

	<-off
	b := make([]byte, 64)
	c.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
	n, from, err := c.ReadFrom(b)

	n = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) {
	var _p0 unsafe.Pointer
	if len(buf) > 0 {
		_p0 = unsafe.Pointer(&buf[0])
	} else {
		_p0 = unsafe.Pointer(&_zero)
	}

	n = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) {
	var _p0 unsafe.Pointer
	if len(buf) > 0 {
		_p0 = unsafe.Pointer(&buf[0])
	} else {
		_p0 = unsafe.Pointer(&_zero)
	}

	err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
	return &value, err
}

//sys   recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
//sys   sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
//sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error)

	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) {
	var _p0 *byte
	if len(buf) > 0 {
		_p0 = &buf[0]
	}
	var _p1 int
	_p1 = len(buf)