WMT_PAYLOAD_FRAGMENT

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct WMT_BUFFER_SEGMENT
{
    public IntPtr pBuffer;
    public uint cbOffset;
    public uint cbLength;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct WMT_PAYLOAD_FRAGMENT
{
    public uint dwPayloadIndex;
    public WMT_BUFFER_SEGMENT segmentData;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure WMT_BUFFER_SEGMENT
    Public pBuffer As IntPtr
    Public cbOffset As UInteger
    Public cbLength As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure WMT_PAYLOAD_FRAGMENT
    Public dwPayloadIndex As UInteger
    Public segmentData As WMT_BUFFER_SEGMENT
End Structure

import ctypes
from ctypes import wintypes

class WMT_BUFFER_SEGMENT(ctypes.Structure):
    _fields_ = [
        ("pBuffer", ctypes.c_void_p),
        ("cbOffset", wintypes.DWORD),
        ("cbLength", wintypes.DWORD),
    ]

class WMT_PAYLOAD_FRAGMENT(ctypes.Structure):
    _fields_ = [
        ("dwPayloadIndex", wintypes.DWORD),
        ("segmentData", WMT_BUFFER_SEGMENT),
    ]

#[repr(C)]
pub struct WMT_BUFFER_SEGMENT {
    pub pBuffer: *mut core::ffi::c_void,
    pub cbOffset: u32,
    pub cbLength: u32,
}

#[repr(C)]
pub struct WMT_PAYLOAD_FRAGMENT {
    pub dwPayloadIndex: u32,
    pub segmentData: WMT_BUFFER_SEGMENT,
}

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

type WMT_BUFFER_SEGMENT struct {
	pBuffer uintptr
	cbOffset uint32
	cbLength uint32
}

type WMT_PAYLOAD_FRAGMENT struct {
	dwPayloadIndex uint32
	segmentData WMT_BUFFER_SEGMENT
}

type
  WMT_BUFFER_SEGMENT = record
    pBuffer: Pointer;
    cbOffset: DWORD;
    cbLength: DWORD;
  end;

  WMT_PAYLOAD_FRAGMENT = record
    dwPayloadIndex: DWORD;
    segmentData: WMT_BUFFER_SEGMENT;
  end;

const WMT_BUFFER_SEGMENT = extern struct {
    pBuffer: ?*anyopaque,
    cbOffset: u32,
    cbLength: u32,
};

const WMT_PAYLOAD_FRAGMENT = extern struct {
    dwPayloadIndex: u32,
    segmentData: WMT_BUFFER_SEGMENT,
};

type
  WMT_BUFFER_SEGMENT {.bycopy.} = object
    pBuffer: pointer
    cbOffset: uint32
    cbLength: uint32

  WMT_PAYLOAD_FRAGMENT {.bycopy.} = object
    dwPayloadIndex: uint32
    segmentData: WMT_BUFFER_SEGMENT

struct WMT_BUFFER_SEGMENT
{
    void* pBuffer;
    uint cbOffset;
    uint cbLength;
}

struct WMT_PAYLOAD_FRAGMENT
{
    uint dwPayloadIndex;
    WMT_BUFFER_SEGMENT segmentData;
}