TOKEN_GROUPS

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SID_AND_ATTRIBUTES
{
    public IntPtr Sid;
    public uint Attributes;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct TOKEN_GROUPS
{
    public uint GroupCount;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 1)] public SID_AND_ATTRIBUTES[] Groups;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SID_AND_ATTRIBUTES
    Public Sid As IntPtr
    Public Attributes As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure TOKEN_GROUPS
    Public GroupCount As UInteger
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=1)> Public Groups() As SID_AND_ATTRIBUTES
End Structure

import ctypes
from ctypes import wintypes

class SID_AND_ATTRIBUTES(ctypes.Structure):
    _fields_ = [
        ("Sid", ctypes.c_void_p),
        ("Attributes", wintypes.DWORD),
    ]

class TOKEN_GROUPS(ctypes.Structure):
    _fields_ = [
        ("GroupCount", wintypes.DWORD),
        ("Groups", SID_AND_ATTRIBUTES * 1),
    ]

#[repr(C)]
pub struct SID_AND_ATTRIBUTES {
    pub Sid: *mut core::ffi::c_void,
    pub Attributes: u32,
}

#[repr(C)]
pub struct TOKEN_GROUPS {
    pub GroupCount: u32,
    pub Groups: [SID_AND_ATTRIBUTES; 1],
}

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

type SID_AND_ATTRIBUTES struct {
	Sid uintptr
	Attributes uint32
}

type TOKEN_GROUPS struct {
	GroupCount uint32
	Groups [1]SID_AND_ATTRIBUTES
}

type
  SID_AND_ATTRIBUTES = record
    Sid: Pointer;
    Attributes: DWORD;
  end;

  TOKEN_GROUPS = record
    GroupCount: DWORD;
    Groups: array[0..0] of SID_AND_ATTRIBUTES;
  end;

const SID_AND_ATTRIBUTES = extern struct {
    Sid: ?*anyopaque,
    Attributes: u32,
};

const TOKEN_GROUPS = extern struct {
    GroupCount: u32,
    Groups: [1]SID_AND_ATTRIBUTES,
};

type
  SID_AND_ATTRIBUTES {.bycopy.} = object
    Sid: pointer
    Attributes: uint32

  TOKEN_GROUPS {.bycopy.} = object
    GroupCount: uint32
    Groups: array[1, SID_AND_ATTRIBUTES]

struct SID_AND_ATTRIBUTES
{
    void* Sid;
    uint Attributes;
}

struct TOKEN_GROUPS
{
    uint GroupCount;
    SID_AND_ATTRIBUTES[1] Groups;
}