KAGGETDIAG

using System;
using System.Runtime.InteropServices;

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

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct KAGGETDIAG
{
    public uint ulSize;
    public VARIANT vDiagInfo;
    public short sDiagField;
}

Imports System.Runtime.InteropServices

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

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure KAGGETDIAG
    Public ulSize As UInteger
    Public vDiagInfo As VARIANT
    Public sDiagField As Short
End Structure

import ctypes
from ctypes import wintypes

class VARIANT(ctypes.Structure):
    _fields_ = [
        ("Anonymous", _Anonymous_e__Union),
    ]

class KAGGETDIAG(ctypes.Structure):
    _fields_ = [
        ("ulSize", wintypes.DWORD),
        ("vDiagInfo", VARIANT),
        ("sDiagField", ctypes.c_short),
    ]

#[repr(C)]
pub struct VARIANT {
    pub Anonymous: _Anonymous_e__Union,
}

#[repr(C)]
pub struct KAGGETDIAG {
    pub ulSize: u32,
    pub vDiagInfo: VARIANT,
    pub sDiagField: i16,
}

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

type VARIANT struct {
	Anonymous _Anonymous_e__Union
}

type KAGGETDIAG struct {
	ulSize uint32
	vDiagInfo VARIANT
	sDiagField int16
}

type
  VARIANT = record
    Anonymous: _Anonymous_e__Union;
  end;

  KAGGETDIAG = record
    ulSize: DWORD;
    vDiagInfo: VARIANT;
    sDiagField: Smallint;
  end;

const VARIANT = extern struct {
    Anonymous: _Anonymous_e__Union,
};

const KAGGETDIAG = extern struct {
    ulSize: u32,
    vDiagInfo: VARIANT,
    sDiagField: i16,
};

type
  VARIANT {.bycopy.} = object
    Anonymous: _Anonymous_e__Union

  KAGGETDIAG {.bycopy.} = object
    ulSize: uint32
    vDiagInfo: VARIANT
    sDiagField: int16

struct VARIANT
{
    _Anonymous_e__Union Anonymous;
}

struct KAGGETDIAG
{
    uint ulSize;
    VARIANT vDiagInfo;
    short sDiagField;
}