MIB_UDP6TABLE

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct IN6_ADDR
{
    public _u_e__Union u;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct MIB_UDP6ROW
{
    public IN6_ADDR dwLocalAddr;
    public uint dwLocalScopeId;
    public uint dwLocalPort;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct MIB_UDP6TABLE
{
    public uint dwNumEntries;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 1)] public MIB_UDP6ROW[] table;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure IN6_ADDR
    Public u As _u_e__Union
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure MIB_UDP6ROW
    Public dwLocalAddr As IN6_ADDR
    Public dwLocalScopeId As UInteger
    Public dwLocalPort As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure MIB_UDP6TABLE
    Public dwNumEntries As UInteger
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=1)> Public table() As MIB_UDP6ROW
End Structure

import ctypes
from ctypes import wintypes

class IN6_ADDR(ctypes.Structure):
    _fields_ = [
        ("u", _u_e__Union),
    ]

class MIB_UDP6ROW(ctypes.Structure):
    _fields_ = [
        ("dwLocalAddr", IN6_ADDR),
        ("dwLocalScopeId", wintypes.DWORD),
        ("dwLocalPort", wintypes.DWORD),
    ]

class MIB_UDP6TABLE(ctypes.Structure):
    _fields_ = [
        ("dwNumEntries", wintypes.DWORD),
        ("table", MIB_UDP6ROW * 1),
    ]

#[repr(C)]
pub struct IN6_ADDR {
    pub u: _u_e__Union,
}

#[repr(C)]
pub struct MIB_UDP6ROW {
    pub dwLocalAddr: IN6_ADDR,
    pub dwLocalScopeId: u32,
    pub dwLocalPort: u32,
}

#[repr(C)]
pub struct MIB_UDP6TABLE {
    pub dwNumEntries: u32,
    pub table: [MIB_UDP6ROW; 1],
}

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

type IN6_ADDR struct {
	u _u_e__Union
}

type MIB_UDP6ROW struct {
	dwLocalAddr IN6_ADDR
	dwLocalScopeId uint32
	dwLocalPort uint32
}

type MIB_UDP6TABLE struct {
	dwNumEntries uint32
	table [1]MIB_UDP6ROW
}

type
  IN6_ADDR = record
    u: _u_e__Union;
  end;

  MIB_UDP6ROW = record
    dwLocalAddr: IN6_ADDR;
    dwLocalScopeId: DWORD;
    dwLocalPort: DWORD;
  end;

  MIB_UDP6TABLE = record
    dwNumEntries: DWORD;
    table: array[0..0] of MIB_UDP6ROW;
  end;

const IN6_ADDR = extern struct {
    u: _u_e__Union,
};

const MIB_UDP6ROW = extern struct {
    dwLocalAddr: IN6_ADDR,
    dwLocalScopeId: u32,
    dwLocalPort: u32,
};

const MIB_UDP6TABLE = extern struct {
    dwNumEntries: u32,
    table: [1]MIB_UDP6ROW,
};

type
  IN6_ADDR {.bycopy.} = object
    u: _u_e__Union

  MIB_UDP6ROW {.bycopy.} = object
    dwLocalAddr: IN6_ADDR
    dwLocalScopeId: uint32
    dwLocalPort: uint32

  MIB_UDP6TABLE {.bycopy.} = object
    dwNumEntries: uint32
    table: array[1, MIB_UDP6ROW]

struct IN6_ADDR
{
    _u_e__Union u;
}

struct MIB_UDP6ROW
{
    IN6_ADDR dwLocalAddr;
    uint dwLocalScopeId;
    uint dwLocalPort;
}

struct MIB_UDP6TABLE
{
    uint dwNumEntries;
    MIB_UDP6ROW[1] table;
}