RSVP_FILTERSPEC_V6

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct IN_ADDR_IPV6
{
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)] public byte[] Addr;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct RSVP_FILTERSPEC_V6
{
    public IN_ADDR_IPV6 Address;
    public ushort UnUsed;
    public ushort Port;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure IN_ADDR_IPV6
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=16)> Public Addr() As Byte
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure RSVP_FILTERSPEC_V6
    Public Address As IN_ADDR_IPV6
    Public UnUsed As UShort
    Public Port As UShort
End Structure

import ctypes
from ctypes import wintypes

class IN_ADDR_IPV6(ctypes.Structure):
    _fields_ = [
        ("Addr", ctypes.c_ubyte * 16),
    ]

class RSVP_FILTERSPEC_V6(ctypes.Structure):
    _fields_ = [
        ("Address", IN_ADDR_IPV6),
        ("UnUsed", ctypes.c_ushort),
        ("Port", ctypes.c_ushort),
    ]

#[repr(C)]
pub struct IN_ADDR_IPV6 {
    pub Addr: [u8; 16],
}

#[repr(C)]
pub struct RSVP_FILTERSPEC_V6 {
    pub Address: IN_ADDR_IPV6,
    pub UnUsed: u16,
    pub Port: u16,
}

import "golang.org/x/sys/windows"

type IN_ADDR_IPV6 struct {
	Addr [16]byte
}

type RSVP_FILTERSPEC_V6 struct {
	Address IN_ADDR_IPV6
	UnUsed uint16
	Port uint16
}

type
  IN_ADDR_IPV6 = record
    Addr: array[0..15] of Byte;
  end;

  RSVP_FILTERSPEC_V6 = record
    Address: IN_ADDR_IPV6;
    UnUsed: Word;
    Port: Word;
  end;

const IN_ADDR_IPV6 = extern struct {
    Addr: [16]u8,
};

const RSVP_FILTERSPEC_V6 = extern struct {
    Address: IN_ADDR_IPV6,
    UnUsed: u16,
    Port: u16,
};

type
  IN_ADDR_IPV6 {.bycopy.} = object
    Addr: array[16, uint8]

  RSVP_FILTERSPEC_V6 {.bycopy.} = object
    Address: IN_ADDR_IPV6
    UnUsed: uint16
    Port: uint16

struct IN_ADDR_IPV6
{
    ubyte[16] Addr;
}

struct RSVP_FILTERSPEC_V6
{
    IN_ADDR_IPV6 Address;
    ushort UnUsed;
    ushort Port;
}