PxeDhcpv6CreateRelayRepl

// WDSPXE.dll
#include <windows.h>

DWORD PxeDhcpv6CreateRelayRepl(
    PXE_DHCPV6_NESTED_RELAY_MESSAGE* pRelayMessages,
    DWORD nRelayMessages,
    BYTE* pInnerPacket,
    DWORD cbInnerPacket,
    void* pReplyBuffer,
    DWORD cbReplyBuffer,
    DWORD* pcbReplyBuffer
);

<DllImport("WDSPXE.dll", ExactSpelling:=True)>
Public Shared Function PxeDhcpv6CreateRelayRepl(
    pRelayMessages As IntPtr,   ' PXE_DHCPV6_NESTED_RELAY_MESSAGE*
    nRelayMessages As UInteger,   ' DWORD
    pInnerPacket As IntPtr,   ' BYTE*
    cbInnerPacket As UInteger,   ' DWORD
    pReplyBuffer As IntPtr,   ' void* out
    cbReplyBuffer As UInteger,   ' DWORD
    <Out> ByRef pcbReplyBuffer As UInteger   ' DWORD* out
) As UInteger
End Function

' pRelayMessages : PXE_DHCPV6_NESTED_RELAY_MESSAGE*
' nRelayMessages : DWORD
' pInnerPacket : BYTE*
' cbInnerPacket : DWORD
' pReplyBuffer : void* out
' cbReplyBuffer : DWORD
' pcbReplyBuffer : DWORD* out
Declare PtrSafe Function PxeDhcpv6CreateRelayRepl Lib "wdspxe" ( _
    ByVal pRelayMessages As LongPtr, _
    ByVal nRelayMessages As Long, _
    ByVal pInnerPacket As LongPtr, _
    ByVal cbInnerPacket As Long, _
    ByVal pReplyBuffer As LongPtr, _
    ByVal cbReplyBuffer As Long, _
    ByRef pcbReplyBuffer As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PxeDhcpv6CreateRelayRepl = ctypes.windll.wdspxe.PxeDhcpv6CreateRelayRepl
PxeDhcpv6CreateRelayRepl.restype = wintypes.DWORD
PxeDhcpv6CreateRelayRepl.argtypes = [
    ctypes.c_void_p,  # pRelayMessages : PXE_DHCPV6_NESTED_RELAY_MESSAGE*
    wintypes.DWORD,  # nRelayMessages : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pInnerPacket : BYTE*
    wintypes.DWORD,  # cbInnerPacket : DWORD
    ctypes.POINTER(None),  # pReplyBuffer : void* out
    wintypes.DWORD,  # cbReplyBuffer : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcbReplyBuffer : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WDSPXE.dll')
PxeDhcpv6CreateRelayRepl = Fiddle::Function.new(
  lib['PxeDhcpv6CreateRelayRepl'],
  [
    Fiddle::TYPE_VOIDP,  # pRelayMessages : PXE_DHCPV6_NESTED_RELAY_MESSAGE*
    -Fiddle::TYPE_INT,  # nRelayMessages : DWORD
    Fiddle::TYPE_VOIDP,  # pInnerPacket : BYTE*
    -Fiddle::TYPE_INT,  # cbInnerPacket : DWORD
    Fiddle::TYPE_VOIDP,  # pReplyBuffer : void* out
    -Fiddle::TYPE_INT,  # cbReplyBuffer : DWORD
    Fiddle::TYPE_VOIDP,  # pcbReplyBuffer : DWORD* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wdspxe")]
extern "system" {
    fn PxeDhcpv6CreateRelayRepl(
        pRelayMessages: *mut PXE_DHCPV6_NESTED_RELAY_MESSAGE,  // PXE_DHCPV6_NESTED_RELAY_MESSAGE*
        nRelayMessages: u32,  // DWORD
        pInnerPacket: *mut u8,  // BYTE*
        cbInnerPacket: u32,  // DWORD
        pReplyBuffer: *mut (),  // void* out
        cbReplyBuffer: u32,  // DWORD
        pcbReplyBuffer: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WDSPXE.dll")]
public static extern uint PxeDhcpv6CreateRelayRepl(IntPtr pRelayMessages, uint nRelayMessages, IntPtr pInnerPacket, uint cbInnerPacket, IntPtr pReplyBuffer, uint cbReplyBuffer, out uint pcbReplyBuffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WDSPXE_PxeDhcpv6CreateRelayRepl' -Namespace Win32 -PassThru
# $api::PxeDhcpv6CreateRelayRepl(pRelayMessages, nRelayMessages, pInnerPacket, cbInnerPacket, pReplyBuffer, cbReplyBuffer, pcbReplyBuffer)

#uselib "WDSPXE.dll"
#func global PxeDhcpv6CreateRelayRepl "PxeDhcpv6CreateRelayRepl" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; PxeDhcpv6CreateRelayRepl varptr(pRelayMessages), nRelayMessages, varptr(pInnerPacket), cbInnerPacket, pReplyBuffer, cbReplyBuffer, varptr(pcbReplyBuffer)   ; 戻り値は stat
; pRelayMessages : PXE_DHCPV6_NESTED_RELAY_MESSAGE* -> "sptr"
; nRelayMessages : DWORD -> "sptr"
; pInnerPacket : BYTE* -> "sptr"
; cbInnerPacket : DWORD -> "sptr"
; pReplyBuffer : void* out -> "sptr"
; cbReplyBuffer : DWORD -> "sptr"
; pcbReplyBuffer : DWORD* out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	wdspxe = windows.NewLazySystemDLL("WDSPXE.dll")
	procPxeDhcpv6CreateRelayRepl = wdspxe.NewProc("PxeDhcpv6CreateRelayRepl")
)

// pRelayMessages (PXE_DHCPV6_NESTED_RELAY_MESSAGE*), nRelayMessages (DWORD), pInnerPacket (BYTE*), cbInnerPacket (DWORD), pReplyBuffer (void* out), cbReplyBuffer (DWORD), pcbReplyBuffer (DWORD* out)
r1, _, err := procPxeDhcpv6CreateRelayRepl.Call(
	uintptr(pRelayMessages),
	uintptr(nRelayMessages),
	uintptr(pInnerPacket),
	uintptr(cbInnerPacket),
	uintptr(pReplyBuffer),
	uintptr(cbReplyBuffer),
	uintptr(pcbReplyBuffer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PxeDhcpv6CreateRelayRepl(
  pRelayMessages: Pointer;   // PXE_DHCPV6_NESTED_RELAY_MESSAGE*
  nRelayMessages: DWORD;   // DWORD
  pInnerPacket: Pointer;   // BYTE*
  cbInnerPacket: DWORD;   // DWORD
  pReplyBuffer: Pointer;   // void* out
  cbReplyBuffer: DWORD;   // DWORD
  pcbReplyBuffer: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'WDSPXE.dll' name 'PxeDhcpv6CreateRelayRepl';

result := DllCall("WDSPXE\PxeDhcpv6CreateRelayRepl"
    , "Ptr", pRelayMessages   ; PXE_DHCPV6_NESTED_RELAY_MESSAGE*
    , "UInt", nRelayMessages   ; DWORD
    , "Ptr", pInnerPacket   ; BYTE*
    , "UInt", cbInnerPacket   ; DWORD
    , "Ptr", pReplyBuffer   ; void* out
    , "UInt", cbReplyBuffer   ; DWORD
    , "Ptr", pcbReplyBuffer   ; DWORD* out
    , "UInt")   ; return: DWORD

●PxeDhcpv6CreateRelayRepl(pRelayMessages, nRelayMessages, pInnerPacket, cbInnerPacket, pReplyBuffer, cbReplyBuffer, pcbReplyBuffer) = DLL("WDSPXE.dll", "dword PxeDhcpv6CreateRelayRepl(void*, dword, void*, dword, void*, dword, void*)")
# 呼び出し: PxeDhcpv6CreateRelayRepl(pRelayMessages, nRelayMessages, pInnerPacket, cbInnerPacket, pReplyBuffer, cbReplyBuffer, pcbReplyBuffer)
# pRelayMessages : PXE_DHCPV6_NESTED_RELAY_MESSAGE* -> "void*"
# nRelayMessages : DWORD -> "dword"
# pInnerPacket : BYTE* -> "void*"
# cbInnerPacket : DWORD -> "dword"
# pReplyBuffer : void* out -> "void*"
# cbReplyBuffer : DWORD -> "dword"
# pcbReplyBuffer : DWORD* out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。

const std = @import("std");

extern "wdspxe" fn PxeDhcpv6CreateRelayRepl(
    pRelayMessages: [*c]PXE_DHCPV6_NESTED_RELAY_MESSAGE, // PXE_DHCPV6_NESTED_RELAY_MESSAGE*
    nRelayMessages: u32, // DWORD
    pInnerPacket: [*c]u8, // BYTE*
    cbInnerPacket: u32, // DWORD
    pReplyBuffer: ?*anyopaque, // void* out
    cbReplyBuffer: u32, // DWORD
    pcbReplyBuffer: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) u32;

proc PxeDhcpv6CreateRelayRepl(
    pRelayMessages: ptr PXE_DHCPV6_NESTED_RELAY_MESSAGE,  # PXE_DHCPV6_NESTED_RELAY_MESSAGE*
    nRelayMessages: uint32,  # DWORD
    pInnerPacket: ptr uint8,  # BYTE*
    cbInnerPacket: uint32,  # DWORD
    pReplyBuffer: pointer,  # void* out
    cbReplyBuffer: uint32,  # DWORD
    pcbReplyBuffer: ptr uint32  # DWORD* out
): uint32 {.importc: "PxeDhcpv6CreateRelayRepl", stdcall, dynlib: "WDSPXE.dll".}

pragma(lib, "wdspxe");
extern(Windows)
uint PxeDhcpv6CreateRelayRepl(
    PXE_DHCPV6_NESTED_RELAY_MESSAGE* pRelayMessages,   // PXE_DHCPV6_NESTED_RELAY_MESSAGE*
    uint nRelayMessages,   // DWORD
    ubyte* pInnerPacket,   // BYTE*
    uint cbInnerPacket,   // DWORD
    void* pReplyBuffer,   // void* out
    uint cbReplyBuffer,   // DWORD
    uint* pcbReplyBuffer   // DWORD* out
);

ccall((:PxeDhcpv6CreateRelayRepl, "WDSPXE.dll"), stdcall, UInt32,
      (Ptr{PXE_DHCPV6_NESTED_RELAY_MESSAGE}, UInt32, Ptr{UInt8}, UInt32, Ptr{Cvoid}, UInt32, Ptr{UInt32}),
      pRelayMessages, nRelayMessages, pInnerPacket, cbInnerPacket, pReplyBuffer, cbReplyBuffer, pcbReplyBuffer)
# pRelayMessages : PXE_DHCPV6_NESTED_RELAY_MESSAGE* -> Ptr{PXE_DHCPV6_NESTED_RELAY_MESSAGE}
# nRelayMessages : DWORD -> UInt32
# pInnerPacket : BYTE* -> Ptr{UInt8}
# cbInnerPacket : DWORD -> UInt32
# pReplyBuffer : void* out -> Ptr{Cvoid}
# cbReplyBuffer : DWORD -> UInt32
# pcbReplyBuffer : DWORD* out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t PxeDhcpv6CreateRelayRepl(
    void* pRelayMessages,
    uint32_t nRelayMessages,
    uint8_t* pInnerPacket,
    uint32_t cbInnerPacket,
    void* pReplyBuffer,
    uint32_t cbReplyBuffer,
    uint32_t* pcbReplyBuffer);
]]
local wdspxe = ffi.load("wdspxe")
-- wdspxe.PxeDhcpv6CreateRelayRepl(pRelayMessages, nRelayMessages, pInnerPacket, cbInnerPacket, pReplyBuffer, cbReplyBuffer, pcbReplyBuffer)
-- pRelayMessages : PXE_DHCPV6_NESTED_RELAY_MESSAGE*
-- nRelayMessages : DWORD
-- pInnerPacket : BYTE*
-- cbInnerPacket : DWORD
-- pReplyBuffer : void* out
-- cbReplyBuffer : DWORD
-- pcbReplyBuffer : DWORD* out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('WDSPXE.dll');
const PxeDhcpv6CreateRelayRepl = lib.func('__stdcall', 'PxeDhcpv6CreateRelayRepl', 'uint32_t', ['void *', 'uint32_t', 'uint8_t *', 'uint32_t', 'void *', 'uint32_t', 'uint32_t *']);
// PxeDhcpv6CreateRelayRepl(pRelayMessages, nRelayMessages, pInnerPacket, cbInnerPacket, pReplyBuffer, cbReplyBuffer, pcbReplyBuffer)
// pRelayMessages : PXE_DHCPV6_NESTED_RELAY_MESSAGE* -> 'void *'
// nRelayMessages : DWORD -> 'uint32_t'
// pInnerPacket : BYTE* -> 'uint8_t *'
// cbInnerPacket : DWORD -> 'uint32_t'
// pReplyBuffer : void* out -> 'void *'
// cbReplyBuffer : DWORD -> 'uint32_t'
// pcbReplyBuffer : DWORD* out -> 'uint32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("WDSPXE.dll", {
  PxeDhcpv6CreateRelayRepl: { parameters: ["pointer", "u32", "pointer", "u32", "pointer", "u32", "pointer"], result: "u32" },
});
// lib.symbols.PxeDhcpv6CreateRelayRepl(pRelayMessages, nRelayMessages, pInnerPacket, cbInnerPacket, pReplyBuffer, cbReplyBuffer, pcbReplyBuffer)
// pRelayMessages : PXE_DHCPV6_NESTED_RELAY_MESSAGE* -> "pointer"
// nRelayMessages : DWORD -> "u32"
// pInnerPacket : BYTE* -> "pointer"
// cbInnerPacket : DWORD -> "u32"
// pReplyBuffer : void* out -> "pointer"
// cbReplyBuffer : DWORD -> "u32"
// pcbReplyBuffer : DWORD* out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t PxeDhcpv6CreateRelayRepl(
    void* pRelayMessages,
    uint32_t nRelayMessages,
    uint8_t* pInnerPacket,
    uint32_t cbInnerPacket,
    void* pReplyBuffer,
    uint32_t cbReplyBuffer,
    uint32_t* pcbReplyBuffer);
C, "WDSPXE.dll");
// $ffi->PxeDhcpv6CreateRelayRepl(pRelayMessages, nRelayMessages, pInnerPacket, cbInnerPacket, pReplyBuffer, cbReplyBuffer, pcbReplyBuffer);
// pRelayMessages : PXE_DHCPV6_NESTED_RELAY_MESSAGE*
// nRelayMessages : DWORD
// pInnerPacket : BYTE*
// cbInnerPacket : DWORD
// pReplyBuffer : void* out
// cbReplyBuffer : DWORD
// pcbReplyBuffer : DWORD* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Wdspxe extends StdCallLibrary {
    Wdspxe INSTANCE = Native.load("wdspxe", Wdspxe.class);
    int PxeDhcpv6CreateRelayRepl(
        Pointer pRelayMessages,   // PXE_DHCPV6_NESTED_RELAY_MESSAGE*
        int nRelayMessages,   // DWORD
        byte[] pInnerPacket,   // BYTE*
        int cbInnerPacket,   // DWORD
        Pointer pReplyBuffer,   // void* out
        int cbReplyBuffer,   // DWORD
        IntByReference pcbReplyBuffer   // DWORD* out
    );
}

@[Link("wdspxe")]
lib LibWDSPXE
  fun PxeDhcpv6CreateRelayRepl = PxeDhcpv6CreateRelayRepl(
    pRelayMessages : PXE_DHCPV6_NESTED_RELAY_MESSAGE*,   # PXE_DHCPV6_NESTED_RELAY_MESSAGE*
    nRelayMessages : UInt32,   # DWORD
    pInnerPacket : UInt8*,   # BYTE*
    cbInnerPacket : UInt32,   # DWORD
    pReplyBuffer : Void*,   # void* out
    cbReplyBuffer : UInt32,   # DWORD
    pcbReplyBuffer : UInt32*   # DWORD* out
  ) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef PxeDhcpv6CreateRelayReplNative = Uint32 Function(Pointer<Void>, Uint32, Pointer<Uint8>, Uint32, Pointer<Void>, Uint32, Pointer<Uint32>);
typedef PxeDhcpv6CreateRelayReplDart = int Function(Pointer<Void>, int, Pointer<Uint8>, int, Pointer<Void>, int, Pointer<Uint32>);
final PxeDhcpv6CreateRelayRepl = DynamicLibrary.open('WDSPXE.dll')
    .lookupFunction<PxeDhcpv6CreateRelayReplNative, PxeDhcpv6CreateRelayReplDart>('PxeDhcpv6CreateRelayRepl');
// pRelayMessages : PXE_DHCPV6_NESTED_RELAY_MESSAGE* -> Pointer<Void>
// nRelayMessages : DWORD -> Uint32
// pInnerPacket : BYTE* -> Pointer<Uint8>
// cbInnerPacket : DWORD -> Uint32
// pReplyBuffer : void* out -> Pointer<Void>
// cbReplyBuffer : DWORD -> Uint32
// pcbReplyBuffer : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PxeDhcpv6CreateRelayRepl(
  pRelayMessages: Pointer;   // PXE_DHCPV6_NESTED_RELAY_MESSAGE*
  nRelayMessages: DWORD;   // DWORD
  pInnerPacket: Pointer;   // BYTE*
  cbInnerPacket: DWORD;   // DWORD
  pReplyBuffer: Pointer;   // void* out
  cbReplyBuffer: DWORD;   // DWORD
  pcbReplyBuffer: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'WDSPXE.dll' name 'PxeDhcpv6CreateRelayRepl';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "PxeDhcpv6CreateRelayRepl"
  c_PxeDhcpv6CreateRelayRepl :: Ptr () -> Word32 -> Ptr Word8 -> Word32 -> Ptr () -> Word32 -> Ptr Word32 -> IO Word32
-- pRelayMessages : PXE_DHCPV6_NESTED_RELAY_MESSAGE* -> Ptr ()
-- nRelayMessages : DWORD -> Word32
-- pInnerPacket : BYTE* -> Ptr Word8
-- cbInnerPacket : DWORD -> Word32
-- pReplyBuffer : void* out -> Ptr ()
-- cbReplyBuffer : DWORD -> Word32
-- pcbReplyBuffer : DWORD* out -> Ptr Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let pxedhcpv6createrelayrepl =
  foreign "PxeDhcpv6CreateRelayRepl"
    ((ptr void) @-> uint32_t @-> (ptr uint8_t) @-> uint32_t @-> (ptr void) @-> uint32_t @-> (ptr uint32_t) @-> returning uint32_t)
(* pRelayMessages : PXE_DHCPV6_NESTED_RELAY_MESSAGE* -> (ptr void) *)
(* nRelayMessages : DWORD -> uint32_t *)
(* pInnerPacket : BYTE* -> (ptr uint8_t) *)
(* cbInnerPacket : DWORD -> uint32_t *)
(* pReplyBuffer : void* out -> (ptr void) *)
(* cbReplyBuffer : DWORD -> uint32_t *)
(* pcbReplyBuffer : DWORD* out -> (ptr uint32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library wdspxe (t "WDSPXE.dll"))
(cffi:use-foreign-library wdspxe)

(cffi:defcfun ("PxeDhcpv6CreateRelayRepl" pxe-dhcpv6-create-relay-repl :convention :stdcall) :uint32
  (p-relay-messages :pointer)   ; PXE_DHCPV6_NESTED_RELAY_MESSAGE*
  (n-relay-messages :uint32)   ; DWORD
  (p-inner-packet :pointer)   ; BYTE*
  (cb-inner-packet :uint32)   ; DWORD
  (p-reply-buffer :pointer)   ; void* out
  (cb-reply-buffer :uint32)   ; DWORD
  (pcb-reply-buffer :pointer))   ; DWORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PxeDhcpv6CreateRelayRepl = Win32::API::More->new('WDSPXE',
    'DWORD PxeDhcpv6CreateRelayRepl(LPVOID pRelayMessages, DWORD nRelayMessages, LPVOID pInnerPacket, DWORD cbInnerPacket, LPVOID pReplyBuffer, DWORD cbReplyBuffer, LPVOID pcbReplyBuffer)');
# my $ret = $PxeDhcpv6CreateRelayRepl->Call($pRelayMessages, $nRelayMessages, $pInnerPacket, $cbInnerPacket, $pReplyBuffer, $cbReplyBuffer, $pcbReplyBuffer);
# pRelayMessages : PXE_DHCPV6_NESTED_RELAY_MESSAGE* -> LPVOID
# nRelayMessages : DWORD -> DWORD
# pInnerPacket : BYTE* -> LPVOID
# cbInnerPacket : DWORD -> DWORD
# pReplyBuffer : void* out -> LPVOID
# cbReplyBuffer : DWORD -> DWORD
# pcbReplyBuffer : DWORD* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。