DOCINFOW

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DOCINFOW
{
    public int cbSize;
    public IntPtr lpszDocName;
    public IntPtr lpszOutput;
    public IntPtr lpszDatatype;
    public uint fwType;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DOCINFOW
    Public cbSize As Integer
    Public lpszDocName As IntPtr
    Public lpszOutput As IntPtr
    Public lpszDatatype As IntPtr
    Public fwType As UInteger
End Structure

import ctypes
from ctypes import wintypes

class DOCINFOW(ctypes.Structure):
    _fields_ = [
        ("cbSize", ctypes.c_int),
        ("lpszDocName", ctypes.c_void_p),
        ("lpszOutput", ctypes.c_void_p),
        ("lpszDatatype", ctypes.c_void_p),
        ("fwType", wintypes.DWORD),
    ]

#[repr(C)]
pub struct DOCINFOW {
    pub cbSize: i32,
    pub lpszDocName: *mut core::ffi::c_void,
    pub lpszOutput: *mut core::ffi::c_void,
    pub lpszDatatype: *mut core::ffi::c_void,
    pub fwType: u32,
}

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

type DOCINFOW struct {
	cbSize int32
	lpszDocName uintptr
	lpszOutput uintptr
	lpszDatatype uintptr
	fwType uint32
}

type
  DOCINFOW = record
    cbSize: Integer;
    lpszDocName: Pointer;
    lpszOutput: Pointer;
    lpszDatatype: Pointer;
    fwType: DWORD;
  end;

const DOCINFOW = extern struct {
    cbSize: i32,
    lpszDocName: ?*anyopaque,
    lpszOutput: ?*anyopaque,
    lpszDatatype: ?*anyopaque,
    fwType: u32,
};

type
  DOCINFOW {.bycopy.} = object
    cbSize: int32
    lpszDocName: pointer
    lpszOutput: pointer
    lpszDatatype: pointer
    fwType: uint32

struct DOCINFOW
{
    int cbSize;
    void* lpszDocName;
    void* lpszOutput;
    void* lpszDatatype;
    uint fwType;
}