VIDMEM

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DDSCAPS
{
    public uint dwCaps;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct VIDMEM
{
    public uint dwFlags;
    public UIntPtr fpStart;
    public _Anonymous1_e__Union Anonymous1;
    public DDSCAPS ddsCaps;
    public DDSCAPS ddsCapsAlt;
    public _Anonymous2_e__Union Anonymous2;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DDSCAPS
    Public dwCaps As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure VIDMEM
    Public dwFlags As UInteger
    Public fpStart As UIntPtr
    Public Anonymous1 As _Anonymous1_e__Union
    Public ddsCaps As DDSCAPS
    Public ddsCapsAlt As DDSCAPS
    Public Anonymous2 As _Anonymous2_e__Union
End Structure

import ctypes
from ctypes import wintypes

class DDSCAPS(ctypes.Structure):
    _fields_ = [
        ("dwCaps", wintypes.DWORD),
    ]

class VIDMEM(ctypes.Structure):
    _fields_ = [
        ("dwFlags", wintypes.DWORD),
        ("fpStart", ctypes.c_size_t),
        ("Anonymous1", _Anonymous1_e__Union),
        ("ddsCaps", DDSCAPS),
        ("ddsCapsAlt", DDSCAPS),
        ("Anonymous2", _Anonymous2_e__Union),
    ]

#[repr(C)]
pub struct DDSCAPS {
    pub dwCaps: u32,
}

#[repr(C)]
pub struct VIDMEM {
    pub dwFlags: u32,
    pub fpStart: usize,
    pub Anonymous1: _Anonymous1_e__Union,
    pub ddsCaps: DDSCAPS,
    pub ddsCapsAlt: DDSCAPS,
    pub Anonymous2: _Anonymous2_e__Union,
}

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

type DDSCAPS struct {
	dwCaps uint32
}

type VIDMEM struct {
	dwFlags uint32
	fpStart uintptr
	Anonymous1 _Anonymous1_e__Union
	ddsCaps DDSCAPS
	ddsCapsAlt DDSCAPS
	Anonymous2 _Anonymous2_e__Union
}

type
  DDSCAPS = record
    dwCaps: DWORD;
  end;

  VIDMEM = record
    dwFlags: DWORD;
    fpStart: NativeUInt;
    Anonymous1: _Anonymous1_e__Union;
    ddsCaps: DDSCAPS;
    ddsCapsAlt: DDSCAPS;
    Anonymous2: _Anonymous2_e__Union;
  end;

const DDSCAPS = extern struct {
    dwCaps: u32,
};

const VIDMEM = extern struct {
    dwFlags: u32,
    fpStart: usize,
    Anonymous1: _Anonymous1_e__Union,
    ddsCaps: DDSCAPS,
    ddsCapsAlt: DDSCAPS,
    Anonymous2: _Anonymous2_e__Union,
};

type
  DDSCAPS {.bycopy.} = object
    dwCaps: uint32

  VIDMEM {.bycopy.} = object
    dwFlags: uint32
    fpStart: uint
    Anonymous1: _Anonymous1_e__Union
    ddsCaps: DDSCAPS
    ddsCapsAlt: DDSCAPS
    Anonymous2: _Anonymous2_e__Union

struct DDSCAPS
{
    uint dwCaps;
}

struct VIDMEM
{
    uint dwFlags;
    size_t fpStart;
    _Anonymous1_e__Union Anonymous1;
    DDSCAPS ddsCaps;
    DDSCAPS ddsCapsAlt;
    _Anonymous2_e__Union Anonymous2;
}