DOC_INFO_3A

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DOC_INFO_3A
{
    public IntPtr pDocName;
    public IntPtr pOutputFile;
    public IntPtr pDatatype;
    public uint dwFlags;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DOC_INFO_3A
    Public pDocName As IntPtr
    Public pOutputFile As IntPtr
    Public pDatatype As IntPtr
    Public dwFlags As UInteger
End Structure

import ctypes
from ctypes import wintypes

class DOC_INFO_3A(ctypes.Structure):
    _fields_ = [
        ("pDocName", ctypes.c_void_p),
        ("pOutputFile", ctypes.c_void_p),
        ("pDatatype", ctypes.c_void_p),
        ("dwFlags", wintypes.DWORD),
    ]

#[repr(C)]
pub struct DOC_INFO_3A {
    pub pDocName: *mut core::ffi::c_void,
    pub pOutputFile: *mut core::ffi::c_void,
    pub pDatatype: *mut core::ffi::c_void,
    pub dwFlags: u32,
}

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

type DOC_INFO_3A struct {
	pDocName uintptr
	pOutputFile uintptr
	pDatatype uintptr
	dwFlags uint32
}

type
  DOC_INFO_3A = record
    pDocName: Pointer;
    pOutputFile: Pointer;
    pDatatype: Pointer;
    dwFlags: DWORD;
  end;

const DOC_INFO_3A = extern struct {
    pDocName: ?*anyopaque,
    pOutputFile: ?*anyopaque,
    pDatatype: ?*anyopaque,
    dwFlags: u32,
};

type
  DOC_INFO_3A {.bycopy.} = object
    pDocName: pointer
    pOutputFile: pointer
    pDatatype: pointer
    dwFlags: uint32

struct DOC_INFO_3A
{
    void* pDocName;
    void* pOutputFile;
    void* pDatatype;
    uint dwFlags;
}