PSAPI_WORKING_SET_INFORMATION

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct PSAPI_WORKING_SET_BLOCK
{
    public UIntPtr Flags;
    public _Anonymous_e__Struct Anonymous;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct PSAPI_WORKING_SET_INFORMATION
{
    public UIntPtr NumberOfEntries;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 1)] public PSAPI_WORKING_SET_BLOCK[] WorkingSetInfo;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure PSAPI_WORKING_SET_BLOCK
    Public Flags As UIntPtr
    Public Anonymous As _Anonymous_e__Struct
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure PSAPI_WORKING_SET_INFORMATION
    Public NumberOfEntries As UIntPtr
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=1)> Public WorkingSetInfo() As PSAPI_WORKING_SET_BLOCK
End Structure

import ctypes
from ctypes import wintypes

class PSAPI_WORKING_SET_BLOCK(ctypes.Structure):
    _fields_ = [
        ("Flags", ctypes.c_size_t),
        ("Anonymous", _Anonymous_e__Struct),
    ]

class PSAPI_WORKING_SET_INFORMATION(ctypes.Structure):
    _fields_ = [
        ("NumberOfEntries", ctypes.c_size_t),
        ("WorkingSetInfo", PSAPI_WORKING_SET_BLOCK * 1),
    ]

#[repr(C)]
pub struct PSAPI_WORKING_SET_BLOCK {
    pub Flags: usize,
    pub Anonymous: _Anonymous_e__Struct,
}

#[repr(C)]
pub struct PSAPI_WORKING_SET_INFORMATION {
    pub NumberOfEntries: usize,
    pub WorkingSetInfo: [PSAPI_WORKING_SET_BLOCK; 1],
}

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

type PSAPI_WORKING_SET_BLOCK struct {
	Flags uintptr
	Anonymous _Anonymous_e__Struct
}

type PSAPI_WORKING_SET_INFORMATION struct {
	NumberOfEntries uintptr
	WorkingSetInfo [1]PSAPI_WORKING_SET_BLOCK
}

type
  PSAPI_WORKING_SET_BLOCK = record
    Flags: NativeUInt;
    Anonymous: _Anonymous_e__Struct;
  end;

  PSAPI_WORKING_SET_INFORMATION = record
    NumberOfEntries: NativeUInt;
    WorkingSetInfo: array[0..0] of PSAPI_WORKING_SET_BLOCK;
  end;

const PSAPI_WORKING_SET_BLOCK = extern struct {
    Flags: usize,
    Anonymous: _Anonymous_e__Struct,
};

const PSAPI_WORKING_SET_INFORMATION = extern struct {
    NumberOfEntries: usize,
    WorkingSetInfo: [1]PSAPI_WORKING_SET_BLOCK,
};

type
  PSAPI_WORKING_SET_BLOCK {.bycopy.} = object
    Flags: uint
    Anonymous: _Anonymous_e__Struct

  PSAPI_WORKING_SET_INFORMATION {.bycopy.} = object
    NumberOfEntries: uint
    WorkingSetInfo: array[1, PSAPI_WORKING_SET_BLOCK]

struct PSAPI_WORKING_SET_BLOCK
{
    size_t Flags;
    _Anonymous_e__Struct Anonymous;
}

struct PSAPI_WORKING_SET_INFORMATION
{
    size_t NumberOfEntries;
    PSAPI_WORKING_SET_BLOCK[1] WorkingSetInfo;
}