XACTOPT

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct XACTOPT
{
    public uint ulTimeout;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40)] public byte[] szDescription;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure XACTOPT
    Public ulTimeout As UInteger
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=40)> Public szDescription() As Byte
End Structure

import ctypes
from ctypes import wintypes

class XACTOPT(ctypes.Structure):
    _fields_ = [
        ("ulTimeout", wintypes.DWORD),
        ("szDescription", ctypes.c_ubyte * 40),
    ]

#[repr(C)]
pub struct XACTOPT {
    pub ulTimeout: u32,
    pub szDescription: [u8; 40],
}

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

type XACTOPT struct {
	ulTimeout uint32
	szDescription [40]byte
}

type
  XACTOPT = record
    ulTimeout: DWORD;
    szDescription: array[0..39] of Byte;
  end;

const XACTOPT = extern struct {
    ulTimeout: u32,
    szDescription: [40]u8,
};

type
  XACTOPT {.bycopy.} = object
    ulTimeout: uint32
    szDescription: array[40, uint8]

struct XACTOPT
{
    uint ulTimeout;
    ubyte[40] szDescription;
}