_DEV_BROADCAST_USERDEFINED

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DEV_BROADCAST_HDR
{
    public uint dbch_size;
    public uint dbch_devicetype;
    public uint dbch_reserved;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct _DEV_BROADCAST_USERDEFINED
{
    public DEV_BROADCAST_HDR dbud_dbh;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 1)] public sbyte[] dbud_szName;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DEV_BROADCAST_HDR
    Public dbch_size As UInteger
    Public dbch_devicetype As UInteger
    Public dbch_reserved As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure _DEV_BROADCAST_USERDEFINED
    Public dbud_dbh As DEV_BROADCAST_HDR
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=1)> Public dbud_szName() As SByte
End Structure

import ctypes
from ctypes import wintypes

class DEV_BROADCAST_HDR(ctypes.Structure):
    _fields_ = [
        ("dbch_size", wintypes.DWORD),
        ("dbch_devicetype", wintypes.DWORD),
        ("dbch_reserved", wintypes.DWORD),
    ]

class _DEV_BROADCAST_USERDEFINED(ctypes.Structure):
    _fields_ = [
        ("dbud_dbh", DEV_BROADCAST_HDR),
        ("dbud_szName", ctypes.c_byte * 1),
    ]

#[repr(C)]
pub struct DEV_BROADCAST_HDR {
    pub dbch_size: u32,
    pub dbch_devicetype: u32,
    pub dbch_reserved: u32,
}

#[repr(C)]
pub struct _DEV_BROADCAST_USERDEFINED {
    pub dbud_dbh: DEV_BROADCAST_HDR,
    pub dbud_szName: [i8; 1],
}

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

type DEV_BROADCAST_HDR struct {
	dbch_size uint32
	dbch_devicetype uint32
	dbch_reserved uint32
}

type _DEV_BROADCAST_USERDEFINED struct {
	dbud_dbh DEV_BROADCAST_HDR
	dbud_szName [1]int8
}

type
  DEV_BROADCAST_HDR = record
    dbch_size: DWORD;
    dbch_devicetype: DWORD;
    dbch_reserved: DWORD;
  end;

  _DEV_BROADCAST_USERDEFINED = record
    dbud_dbh: DEV_BROADCAST_HDR;
    dbud_szName: array[0..0] of Shortint;
  end;

const DEV_BROADCAST_HDR = extern struct {
    dbch_size: u32,
    dbch_devicetype: u32,
    dbch_reserved: u32,
};

const _DEV_BROADCAST_USERDEFINED = extern struct {
    dbud_dbh: DEV_BROADCAST_HDR,
    dbud_szName: [1]i8,
};

type
  DEV_BROADCAST_HDR {.bycopy.} = object
    dbch_size: uint32
    dbch_devicetype: uint32
    dbch_reserved: uint32

  _DEV_BROADCAST_USERDEFINED {.bycopy.} = object
    dbud_dbh: DEV_BROADCAST_HDR
    dbud_szName: array[1, int8]

struct DEV_BROADCAST_HDR
{
    uint dbch_size;
    uint dbch_devicetype;
    uint dbch_reserved;
}

struct _DEV_BROADCAST_USERDEFINED
{
    DEV_BROADCAST_HDR dbud_dbh;
    byte[1] dbud_szName;
}