BG_AUTH_CREDENTIALS

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct BG_BASIC_CREDENTIALS
{
    public IntPtr UserName;
    public IntPtr Password;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct BG_AUTH_CREDENTIALS_UNION
{
    public BG_BASIC_CREDENTIALS Basic;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct BG_AUTH_CREDENTIALS
{
    public int Target;
    public int Scheme;
    public BG_AUTH_CREDENTIALS_UNION Credentials;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure BG_BASIC_CREDENTIALS
    Public UserName As IntPtr
    Public Password As IntPtr
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure BG_AUTH_CREDENTIALS_UNION
    Public Basic As BG_BASIC_CREDENTIALS
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure BG_AUTH_CREDENTIALS
    Public Target As Integer
    Public Scheme As Integer
    Public Credentials As BG_AUTH_CREDENTIALS_UNION
End Structure

import ctypes
from ctypes import wintypes

class BG_BASIC_CREDENTIALS(ctypes.Structure):
    _fields_ = [
        ("UserName", ctypes.c_void_p),
        ("Password", ctypes.c_void_p),
    ]

class BG_AUTH_CREDENTIALS_UNION(ctypes.Structure):
    _fields_ = [
        ("Basic", BG_BASIC_CREDENTIALS),
    ]

class BG_AUTH_CREDENTIALS(ctypes.Structure):
    _fields_ = [
        ("Target", ctypes.c_int),
        ("Scheme", ctypes.c_int),
        ("Credentials", BG_AUTH_CREDENTIALS_UNION),
    ]

#[repr(C)]
pub struct BG_BASIC_CREDENTIALS {
    pub UserName: *mut core::ffi::c_void,
    pub Password: *mut core::ffi::c_void,
}

#[repr(C)]
pub struct BG_AUTH_CREDENTIALS_UNION {
    pub Basic: BG_BASIC_CREDENTIALS,
}

#[repr(C)]
pub struct BG_AUTH_CREDENTIALS {
    pub Target: i32,
    pub Scheme: i32,
    pub Credentials: BG_AUTH_CREDENTIALS_UNION,
}

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

type BG_BASIC_CREDENTIALS struct {
	UserName uintptr
	Password uintptr
}

type BG_AUTH_CREDENTIALS_UNION struct {
	Basic BG_BASIC_CREDENTIALS
}

type BG_AUTH_CREDENTIALS struct {
	Target int32
	Scheme int32
	Credentials BG_AUTH_CREDENTIALS_UNION
}

type
  BG_BASIC_CREDENTIALS = record
    UserName: Pointer;
    Password: Pointer;
  end;

  BG_AUTH_CREDENTIALS_UNION = record
    Basic: BG_BASIC_CREDENTIALS;
  end;

  BG_AUTH_CREDENTIALS = record
    Target: Integer;
    Scheme: Integer;
    Credentials: BG_AUTH_CREDENTIALS_UNION;
  end;

const BG_BASIC_CREDENTIALS = extern struct {
    UserName: ?*anyopaque,
    Password: ?*anyopaque,
};

const BG_AUTH_CREDENTIALS_UNION = extern struct {
    Basic: BG_BASIC_CREDENTIALS,
};

const BG_AUTH_CREDENTIALS = extern struct {
    Target: i32,
    Scheme: i32,
    Credentials: BG_AUTH_CREDENTIALS_UNION,
};

type
  BG_BASIC_CREDENTIALS {.bycopy.} = object
    UserName: pointer
    Password: pointer

  BG_AUTH_CREDENTIALS_UNION {.bycopy.} = object
    Basic: BG_BASIC_CREDENTIALS

  BG_AUTH_CREDENTIALS {.bycopy.} = object
    Target: int32
    Scheme: int32
    Credentials: BG_AUTH_CREDENTIALS_UNION

struct BG_BASIC_CREDENTIALS
{
    void* UserName;
    void* Password;
}

struct BG_AUTH_CREDENTIALS_UNION
{
    BG_BASIC_CREDENTIALS Basic;
}

struct BG_AUTH_CREDENTIALS
{
    int Target;
    int Scheme;
    BG_AUTH_CREDENTIALS_UNION Credentials;
}