VARDESC

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct TYPEDESC
{
    public _Anonymous_e__Union Anonymous;
    public ushort vt;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct ELEMDESC
{
    public TYPEDESC tdesc;
    public _Anonymous_e__Union Anonymous;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct VARDESC
{
    public int memid;
    public IntPtr lpstrSchema;
    public _Anonymous_e__Union Anonymous;
    public ELEMDESC elemdescVar;
    public ushort wVarFlags;
    public int varkind;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure TYPEDESC
    Public Anonymous As _Anonymous_e__Union
    Public vt As UShort
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure ELEMDESC
    Public tdesc As TYPEDESC
    Public Anonymous As _Anonymous_e__Union
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure VARDESC
    Public memid As Integer
    Public lpstrSchema As IntPtr
    Public Anonymous As _Anonymous_e__Union
    Public elemdescVar As ELEMDESC
    Public wVarFlags As UShort
    Public varkind As Integer
End Structure

import ctypes
from ctypes import wintypes

class TYPEDESC(ctypes.Structure):
    _fields_ = [
        ("Anonymous", _Anonymous_e__Union),
        ("vt", ctypes.c_ushort),
    ]

class ELEMDESC(ctypes.Structure):
    _fields_ = [
        ("tdesc", TYPEDESC),
        ("Anonymous", _Anonymous_e__Union),
    ]

class VARDESC(ctypes.Structure):
    _fields_ = [
        ("memid", ctypes.c_int),
        ("lpstrSchema", ctypes.c_void_p),
        ("Anonymous", _Anonymous_e__Union),
        ("elemdescVar", ELEMDESC),
        ("wVarFlags", ctypes.c_ushort),
        ("varkind", ctypes.c_int),
    ]

#[repr(C)]
pub struct TYPEDESC {
    pub Anonymous: _Anonymous_e__Union,
    pub vt: u16,
}

#[repr(C)]
pub struct ELEMDESC {
    pub tdesc: TYPEDESC,
    pub Anonymous: _Anonymous_e__Union,
}

#[repr(C)]
pub struct VARDESC {
    pub memid: i32,
    pub lpstrSchema: *mut core::ffi::c_void,
    pub Anonymous: _Anonymous_e__Union,
    pub elemdescVar: ELEMDESC,
    pub wVarFlags: u16,
    pub varkind: i32,
}

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

type TYPEDESC struct {
	Anonymous _Anonymous_e__Union
	vt uint16
}

type ELEMDESC struct {
	tdesc TYPEDESC
	Anonymous _Anonymous_e__Union
}

type VARDESC struct {
	memid int32
	lpstrSchema uintptr
	Anonymous _Anonymous_e__Union
	elemdescVar ELEMDESC
	wVarFlags uint16
	varkind int32
}

type
  TYPEDESC = record
    Anonymous: _Anonymous_e__Union;
    vt: Word;
  end;

  ELEMDESC = record
    tdesc: TYPEDESC;
    Anonymous: _Anonymous_e__Union;
  end;

  VARDESC = record
    memid: Integer;
    lpstrSchema: Pointer;
    Anonymous: _Anonymous_e__Union;
    elemdescVar: ELEMDESC;
    wVarFlags: Word;
    varkind: Integer;
  end;

const TYPEDESC = extern struct {
    Anonymous: _Anonymous_e__Union,
    vt: u16,
};

const ELEMDESC = extern struct {
    tdesc: TYPEDESC,
    Anonymous: _Anonymous_e__Union,
};

const VARDESC = extern struct {
    memid: i32,
    lpstrSchema: ?*anyopaque,
    Anonymous: _Anonymous_e__Union,
    elemdescVar: ELEMDESC,
    wVarFlags: u16,
    varkind: i32,
};

type
  TYPEDESC {.bycopy.} = object
    Anonymous: _Anonymous_e__Union
    vt: uint16

  ELEMDESC {.bycopy.} = object
    tdesc: TYPEDESC
    Anonymous: _Anonymous_e__Union

  VARDESC {.bycopy.} = object
    memid: int32
    lpstrSchema: pointer
    Anonymous: _Anonymous_e__Union
    elemdescVar: ELEMDESC
    wVarFlags: uint16
    varkind: int32

struct TYPEDESC
{
    _Anonymous_e__Union Anonymous;
    ushort vt;
}

struct ELEMDESC
{
    TYPEDESC tdesc;
    _Anonymous_e__Union Anonymous;
}

struct VARDESC
{
    int memid;
    void* lpstrSchema;
    _Anonymous_e__Union Anonymous;
    ELEMDESC elemdescVar;
    ushort wVarFlags;
    int varkind;
}