GROUP_AFFINITY64

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct GROUP_AFFINITY64
{
    public ulong Mask;
    public ushort Group;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)] public ushort[] Reserved;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure GROUP_AFFINITY64
    Public Mask As ULong
    Public Group As UShort
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=3)> Public Reserved() As UShort
End Structure

import ctypes
from ctypes import wintypes

class GROUP_AFFINITY64(ctypes.Structure):
    _fields_ = [
        ("Mask", ctypes.c_ulonglong),
        ("Group", ctypes.c_ushort),
        ("Reserved", ctypes.c_ushort * 3),
    ]

#[repr(C)]
pub struct GROUP_AFFINITY64 {
    pub Mask: u64,
    pub Group: u16,
    pub Reserved: [u16; 3],
}

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

type GROUP_AFFINITY64 struct {
	Mask uint64
	Group uint16
	Reserved [3]uint16
}

type
  GROUP_AFFINITY64 = record
    Mask: UInt64;
    Group: Word;
    Reserved: array[0..2] of Word;
  end;

const GROUP_AFFINITY64 = extern struct {
    Mask: u64,
    Group: u16,
    Reserved: [3]u16,
};

type
  GROUP_AFFINITY64 {.bycopy.} = object
    Mask: uint64
    Group: uint16
    Reserved: array[3, uint16]

struct GROUP_AFFINITY64
{
    ulong Mask;
    ushort Group;
    ushort[3] Reserved;
}