IMAGE_DOS_HEADER

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, Pack = 2, CharSet = CharSet.Unicode)]
public struct IMAGE_DOS_HEADER
{
    public ushort e_magic;
    public ushort e_cblp;
    public ushort e_cp;
    public ushort e_crlc;
    public ushort e_cparhdr;
    public ushort e_minalloc;
    public ushort e_maxalloc;
    public ushort e_ss;
    public ushort e_sp;
    public ushort e_csum;
    public ushort e_ip;
    public ushort e_cs;
    public ushort e_lfarlc;
    public ushort e_ovno;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)] public ushort[] e_res;
    public ushort e_oemid;
    public ushort e_oeminfo;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 10)] public ushort[] e_res2;
    public int e_lfanew;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, Pack:=2, CharSet:=CharSet.Unicode)>
Public Structure IMAGE_DOS_HEADER
    Public e_magic As UShort
    Public e_cblp As UShort
    Public e_cp As UShort
    Public e_crlc As UShort
    Public e_cparhdr As UShort
    Public e_minalloc As UShort
    Public e_maxalloc As UShort
    Public e_ss As UShort
    Public e_sp As UShort
    Public e_csum As UShort
    Public e_ip As UShort
    Public e_cs As UShort
    Public e_lfarlc As UShort
    Public e_ovno As UShort
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=4)> Public e_res() As UShort
    Public e_oemid As UShort
    Public e_oeminfo As UShort
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=10)> Public e_res2() As UShort
    Public e_lfanew As Integer
End Structure

import ctypes
from ctypes import wintypes

class IMAGE_DOS_HEADER(ctypes.Structure):
    _pack_ = 2
    _fields_ = [
        ("e_magic", ctypes.c_ushort),
        ("e_cblp", ctypes.c_ushort),
        ("e_cp", ctypes.c_ushort),
        ("e_crlc", ctypes.c_ushort),
        ("e_cparhdr", ctypes.c_ushort),
        ("e_minalloc", ctypes.c_ushort),
        ("e_maxalloc", ctypes.c_ushort),
        ("e_ss", ctypes.c_ushort),
        ("e_sp", ctypes.c_ushort),
        ("e_csum", ctypes.c_ushort),
        ("e_ip", ctypes.c_ushort),
        ("e_cs", ctypes.c_ushort),
        ("e_lfarlc", ctypes.c_ushort),
        ("e_ovno", ctypes.c_ushort),
        ("e_res", ctypes.c_ushort * 4),
        ("e_oemid", ctypes.c_ushort),
        ("e_oeminfo", ctypes.c_ushort),
        ("e_res2", ctypes.c_ushort * 10),
        ("e_lfanew", ctypes.c_int),
    ]

#[repr(C, packed(2))]
pub struct IMAGE_DOS_HEADER {
    pub e_magic: u16,
    pub e_cblp: u16,
    pub e_cp: u16,
    pub e_crlc: u16,
    pub e_cparhdr: u16,
    pub e_minalloc: u16,
    pub e_maxalloc: u16,
    pub e_ss: u16,
    pub e_sp: u16,
    pub e_csum: u16,
    pub e_ip: u16,
    pub e_cs: u16,
    pub e_lfarlc: u16,
    pub e_ovno: u16,
    pub e_res: [u16; 4],
    pub e_oemid: u16,
    pub e_oeminfo: u16,
    pub e_res2: [u16; 10],
    pub e_lfanew: i32,
}

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

type IMAGE_DOS_HEADER struct {
	e_magic uint16
	e_cblp uint16
	e_cp uint16
	e_crlc uint16
	e_cparhdr uint16
	e_minalloc uint16
	e_maxalloc uint16
	e_ss uint16
	e_sp uint16
	e_csum uint16
	e_ip uint16
	e_cs uint16
	e_lfarlc uint16
	e_ovno uint16
	e_res [4]uint16
	e_oemid uint16
	e_oeminfo uint16
	e_res2 [10]uint16
	e_lfanew int32
}

type
  IMAGE_DOS_HEADER = packed record
    e_magic: Word;
    e_cblp: Word;
    e_cp: Word;
    e_crlc: Word;
    e_cparhdr: Word;
    e_minalloc: Word;
    e_maxalloc: Word;
    e_ss: Word;
    e_sp: Word;
    e_csum: Word;
    e_ip: Word;
    e_cs: Word;
    e_lfarlc: Word;
    e_ovno: Word;
    e_res: array[0..3] of Word;
    e_oemid: Word;
    e_oeminfo: Word;
    e_res2: array[0..9] of Word;
    e_lfanew: Integer;
  end;

const IMAGE_DOS_HEADER = extern struct {
    e_magic: u16,
    e_cblp: u16,
    e_cp: u16,
    e_crlc: u16,
    e_cparhdr: u16,
    e_minalloc: u16,
    e_maxalloc: u16,
    e_ss: u16,
    e_sp: u16,
    e_csum: u16,
    e_ip: u16,
    e_cs: u16,
    e_lfarlc: u16,
    e_ovno: u16,
    e_res: [4]u16,
    e_oemid: u16,
    e_oeminfo: u16,
    e_res2: [10]u16,
    e_lfanew: i32,
};

type
  IMAGE_DOS_HEADER {.packed.} = object
    e_magic: uint16
    e_cblp: uint16
    e_cp: uint16
    e_crlc: uint16
    e_cparhdr: uint16
    e_minalloc: uint16
    e_maxalloc: uint16
    e_ss: uint16
    e_sp: uint16
    e_csum: uint16
    e_ip: uint16
    e_cs: uint16
    e_lfarlc: uint16
    e_ovno: uint16
    e_res: array[4, uint16]
    e_oemid: uint16
    e_oeminfo: uint16
    e_res2: array[10, uint16]
    e_lfanew: int32

align(2)
struct IMAGE_DOS_HEADER
{
    ushort e_magic;
    ushort e_cblp;
    ushort e_cp;
    ushort e_crlc;
    ushort e_cparhdr;
    ushort e_minalloc;
    ushort e_maxalloc;
    ushort e_ss;
    ushort e_sp;
    ushort e_csum;
    ushort e_ip;
    ushort e_cs;
    ushort e_lfarlc;
    ushort e_ovno;
    ushort[4] e_res;
    ushort e_oemid;
    ushort e_oeminfo;
    ushort[10] e_res2;
    int e_lfanew;
}