WS_HTTP_MESSAGE_MAPPING

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct WS_HTTP_MESSAGE_MAPPING
{
    public uint requestMappingOptions;
    public uint responseMappingOptions;
    public IntPtr requestHeaderMappings;
    public uint requestHeaderMappingCount;
    public IntPtr responseHeaderMappings;
    public uint responseHeaderMappingCount;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure WS_HTTP_MESSAGE_MAPPING
    Public requestMappingOptions As UInteger
    Public responseMappingOptions As UInteger
    Public requestHeaderMappings As IntPtr
    Public requestHeaderMappingCount As UInteger
    Public responseHeaderMappings As IntPtr
    Public responseHeaderMappingCount As UInteger
End Structure

import ctypes
from ctypes import wintypes

class WS_HTTP_MESSAGE_MAPPING(ctypes.Structure):
    _fields_ = [
        ("requestMappingOptions", wintypes.DWORD),
        ("responseMappingOptions", wintypes.DWORD),
        ("requestHeaderMappings", ctypes.c_void_p),
        ("requestHeaderMappingCount", wintypes.DWORD),
        ("responseHeaderMappings", ctypes.c_void_p),
        ("responseHeaderMappingCount", wintypes.DWORD),
    ]

#[repr(C)]
pub struct WS_HTTP_MESSAGE_MAPPING {
    pub requestMappingOptions: u32,
    pub responseMappingOptions: u32,
    pub requestHeaderMappings: *mut core::ffi::c_void,
    pub requestHeaderMappingCount: u32,
    pub responseHeaderMappings: *mut core::ffi::c_void,
    pub responseHeaderMappingCount: u32,
}

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

type WS_HTTP_MESSAGE_MAPPING struct {
	requestMappingOptions uint32
	responseMappingOptions uint32
	requestHeaderMappings uintptr
	requestHeaderMappingCount uint32
	responseHeaderMappings uintptr
	responseHeaderMappingCount uint32
}

type
  WS_HTTP_MESSAGE_MAPPING = record
    requestMappingOptions: DWORD;
    responseMappingOptions: DWORD;
    requestHeaderMappings: Pointer;
    requestHeaderMappingCount: DWORD;
    responseHeaderMappings: Pointer;
    responseHeaderMappingCount: DWORD;
  end;

const WS_HTTP_MESSAGE_MAPPING = extern struct {
    requestMappingOptions: u32,
    responseMappingOptions: u32,
    requestHeaderMappings: ?*anyopaque,
    requestHeaderMappingCount: u32,
    responseHeaderMappings: ?*anyopaque,
    responseHeaderMappingCount: u32,
};

type
  WS_HTTP_MESSAGE_MAPPING {.bycopy.} = object
    requestMappingOptions: uint32
    responseMappingOptions: uint32
    requestHeaderMappings: pointer
    requestHeaderMappingCount: uint32
    responseHeaderMappings: pointer
    responseHeaderMappingCount: uint32

struct WS_HTTP_MESSAGE_MAPPING
{
    uint requestMappingOptions;
    uint responseMappingOptions;
    void* requestHeaderMappings;
    uint requestHeaderMappingCount;
    void* responseHeaderMappings;
    uint responseHeaderMappingCount;
}