PxeDhcpInitialize

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

DWORD PxeDhcpInitialize(
    void* pRecvPacket,
    DWORD uRecvPacketLen,
    void* pReplyPacket,
    DWORD uMaxReplyPacketLen,
    DWORD* puReplyPacketLen
);

<DllImport("WDSPXE.dll", ExactSpelling:=True)>
Public Shared Function PxeDhcpInitialize(
    pRecvPacket As IntPtr,   ' void*
    uRecvPacketLen As UInteger,   ' DWORD
    pReplyPacket As IntPtr,   ' void* out
    uMaxReplyPacketLen As UInteger,   ' DWORD
    <Out> ByRef puReplyPacketLen As UInteger   ' DWORD* out
) As UInteger
End Function

' pRecvPacket : void*
' uRecvPacketLen : DWORD
' pReplyPacket : void* out
' uMaxReplyPacketLen : DWORD
' puReplyPacketLen : DWORD* out
Declare PtrSafe Function PxeDhcpInitialize Lib "wdspxe" ( _
    ByVal pRecvPacket As LongPtr, _
    ByVal uRecvPacketLen As Long, _
    ByVal pReplyPacket As LongPtr, _
    ByVal uMaxReplyPacketLen As Long, _
    ByRef puReplyPacketLen 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

PxeDhcpInitialize = ctypes.windll.wdspxe.PxeDhcpInitialize
PxeDhcpInitialize.restype = wintypes.DWORD
PxeDhcpInitialize.argtypes = [
    ctypes.POINTER(None),  # pRecvPacket : void*
    wintypes.DWORD,  # uRecvPacketLen : DWORD
    ctypes.POINTER(None),  # pReplyPacket : void* out
    wintypes.DWORD,  # uMaxReplyPacketLen : DWORD
    ctypes.POINTER(wintypes.DWORD),  # puReplyPacketLen : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WDSPXE.dll')
PxeDhcpInitialize = Fiddle::Function.new(
  lib['PxeDhcpInitialize'],
  [
    Fiddle::TYPE_VOIDP,  # pRecvPacket : void*
    -Fiddle::TYPE_INT,  # uRecvPacketLen : DWORD
    Fiddle::TYPE_VOIDP,  # pReplyPacket : void* out
    -Fiddle::TYPE_INT,  # uMaxReplyPacketLen : DWORD
    Fiddle::TYPE_VOIDP,  # puReplyPacketLen : DWORD* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wdspxe")]
extern "system" {
    fn PxeDhcpInitialize(
        pRecvPacket: *mut (),  // void*
        uRecvPacketLen: u32,  // DWORD
        pReplyPacket: *mut (),  // void* out
        uMaxReplyPacketLen: u32,  // DWORD
        puReplyPacketLen: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WDSPXE.dll")]
public static extern uint PxeDhcpInitialize(IntPtr pRecvPacket, uint uRecvPacketLen, IntPtr pReplyPacket, uint uMaxReplyPacketLen, out uint puReplyPacketLen);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WDSPXE_PxeDhcpInitialize' -Namespace Win32 -PassThru
# $api::PxeDhcpInitialize(pRecvPacket, uRecvPacketLen, pReplyPacket, uMaxReplyPacketLen, puReplyPacketLen)

#uselib "WDSPXE.dll"
#func global PxeDhcpInitialize "PxeDhcpInitialize" sptr, sptr, sptr, sptr, sptr
; PxeDhcpInitialize pRecvPacket, uRecvPacketLen, pReplyPacket, uMaxReplyPacketLen, varptr(puReplyPacketLen)   ; 戻り値は stat
; pRecvPacket : void* -> "sptr"
; uRecvPacketLen : DWORD -> "sptr"
; pReplyPacket : void* out -> "sptr"
; uMaxReplyPacketLen : DWORD -> "sptr"
; puReplyPacketLen : 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")
	procPxeDhcpInitialize = wdspxe.NewProc("PxeDhcpInitialize")
)

// pRecvPacket (void*), uRecvPacketLen (DWORD), pReplyPacket (void* out), uMaxReplyPacketLen (DWORD), puReplyPacketLen (DWORD* out)
r1, _, err := procPxeDhcpInitialize.Call(
	uintptr(pRecvPacket),
	uintptr(uRecvPacketLen),
	uintptr(pReplyPacket),
	uintptr(uMaxReplyPacketLen),
	uintptr(puReplyPacketLen),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PxeDhcpInitialize(
  pRecvPacket: Pointer;   // void*
  uRecvPacketLen: DWORD;   // DWORD
  pReplyPacket: Pointer;   // void* out
  uMaxReplyPacketLen: DWORD;   // DWORD
  puReplyPacketLen: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'WDSPXE.dll' name 'PxeDhcpInitialize';

result := DllCall("WDSPXE\PxeDhcpInitialize"
    , "Ptr", pRecvPacket   ; void*
    , "UInt", uRecvPacketLen   ; DWORD
    , "Ptr", pReplyPacket   ; void* out
    , "UInt", uMaxReplyPacketLen   ; DWORD
    , "Ptr", puReplyPacketLen   ; DWORD* out
    , "UInt")   ; return: DWORD

●PxeDhcpInitialize(pRecvPacket, uRecvPacketLen, pReplyPacket, uMaxReplyPacketLen, puReplyPacketLen) = DLL("WDSPXE.dll", "dword PxeDhcpInitialize(void*, dword, void*, dword, void*)")
# 呼び出し: PxeDhcpInitialize(pRecvPacket, uRecvPacketLen, pReplyPacket, uMaxReplyPacketLen, puReplyPacketLen)
# pRecvPacket : void* -> "void*"
# uRecvPacketLen : DWORD -> "dword"
# pReplyPacket : void* out -> "void*"
# uMaxReplyPacketLen : DWORD -> "dword"
# puReplyPacketLen : 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 PxeDhcpInitialize(
    pRecvPacket: ?*anyopaque, // void*
    uRecvPacketLen: u32, // DWORD
    pReplyPacket: ?*anyopaque, // void* out
    uMaxReplyPacketLen: u32, // DWORD
    puReplyPacketLen: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) u32;

proc PxeDhcpInitialize(
    pRecvPacket: pointer,  # void*
    uRecvPacketLen: uint32,  # DWORD
    pReplyPacket: pointer,  # void* out
    uMaxReplyPacketLen: uint32,  # DWORD
    puReplyPacketLen: ptr uint32  # DWORD* out
): uint32 {.importc: "PxeDhcpInitialize", stdcall, dynlib: "WDSPXE.dll".}

pragma(lib, "wdspxe");
extern(Windows)
uint PxeDhcpInitialize(
    void* pRecvPacket,   // void*
    uint uRecvPacketLen,   // DWORD
    void* pReplyPacket,   // void* out
    uint uMaxReplyPacketLen,   // DWORD
    uint* puReplyPacketLen   // DWORD* out
);

ccall((:PxeDhcpInitialize, "WDSPXE.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, UInt32, Ptr{Cvoid}, UInt32, Ptr{UInt32}),
      pRecvPacket, uRecvPacketLen, pReplyPacket, uMaxReplyPacketLen, puReplyPacketLen)
# pRecvPacket : void* -> Ptr{Cvoid}
# uRecvPacketLen : DWORD -> UInt32
# pReplyPacket : void* out -> Ptr{Cvoid}
# uMaxReplyPacketLen : DWORD -> UInt32
# puReplyPacketLen : 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 PxeDhcpInitialize(
    void* pRecvPacket,
    uint32_t uRecvPacketLen,
    void* pReplyPacket,
    uint32_t uMaxReplyPacketLen,
    uint32_t* puReplyPacketLen);
]]
local wdspxe = ffi.load("wdspxe")
-- wdspxe.PxeDhcpInitialize(pRecvPacket, uRecvPacketLen, pReplyPacket, uMaxReplyPacketLen, puReplyPacketLen)
-- pRecvPacket : void*
-- uRecvPacketLen : DWORD
-- pReplyPacket : void* out
-- uMaxReplyPacketLen : DWORD
-- puReplyPacketLen : 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 PxeDhcpInitialize = lib.func('__stdcall', 'PxeDhcpInitialize', 'uint32_t', ['void *', 'uint32_t', 'void *', 'uint32_t', 'uint32_t *']);
// PxeDhcpInitialize(pRecvPacket, uRecvPacketLen, pReplyPacket, uMaxReplyPacketLen, puReplyPacketLen)
// pRecvPacket : void* -> 'void *'
// uRecvPacketLen : DWORD -> 'uint32_t'
// pReplyPacket : void* out -> 'void *'
// uMaxReplyPacketLen : DWORD -> 'uint32_t'
// puReplyPacketLen : 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", {
  PxeDhcpInitialize: { parameters: ["pointer", "u32", "pointer", "u32", "pointer"], result: "u32" },
});
// lib.symbols.PxeDhcpInitialize(pRecvPacket, uRecvPacketLen, pReplyPacket, uMaxReplyPacketLen, puReplyPacketLen)
// pRecvPacket : void* -> "pointer"
// uRecvPacketLen : DWORD -> "u32"
// pReplyPacket : void* out -> "pointer"
// uMaxReplyPacketLen : DWORD -> "u32"
// puReplyPacketLen : 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 PxeDhcpInitialize(
    void* pRecvPacket,
    uint32_t uRecvPacketLen,
    void* pReplyPacket,
    uint32_t uMaxReplyPacketLen,
    uint32_t* puReplyPacketLen);
C, "WDSPXE.dll");
// $ffi->PxeDhcpInitialize(pRecvPacket, uRecvPacketLen, pReplyPacket, uMaxReplyPacketLen, puReplyPacketLen);
// pRecvPacket : void*
// uRecvPacketLen : DWORD
// pReplyPacket : void* out
// uMaxReplyPacketLen : DWORD
// puReplyPacketLen : 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 PxeDhcpInitialize(
        Pointer pRecvPacket,   // void*
        int uRecvPacketLen,   // DWORD
        Pointer pReplyPacket,   // void* out
        int uMaxReplyPacketLen,   // DWORD
        IntByReference puReplyPacketLen   // DWORD* out
    );
}

@[Link("wdspxe")]
lib LibWDSPXE
  fun PxeDhcpInitialize = PxeDhcpInitialize(
    pRecvPacket : Void*,   # void*
    uRecvPacketLen : UInt32,   # DWORD
    pReplyPacket : Void*,   # void* out
    uMaxReplyPacketLen : UInt32,   # DWORD
    puReplyPacketLen : 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 PxeDhcpInitializeNative = Uint32 Function(Pointer<Void>, Uint32, Pointer<Void>, Uint32, Pointer<Uint32>);
typedef PxeDhcpInitializeDart = int Function(Pointer<Void>, int, Pointer<Void>, int, Pointer<Uint32>);
final PxeDhcpInitialize = DynamicLibrary.open('WDSPXE.dll')
    .lookupFunction<PxeDhcpInitializeNative, PxeDhcpInitializeDart>('PxeDhcpInitialize');
// pRecvPacket : void* -> Pointer<Void>
// uRecvPacketLen : DWORD -> Uint32
// pReplyPacket : void* out -> Pointer<Void>
// uMaxReplyPacketLen : DWORD -> Uint32
// puReplyPacketLen : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PxeDhcpInitialize(
  pRecvPacket: Pointer;   // void*
  uRecvPacketLen: DWORD;   // DWORD
  pReplyPacket: Pointer;   // void* out
  uMaxReplyPacketLen: DWORD;   // DWORD
  puReplyPacketLen: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'WDSPXE.dll' name 'PxeDhcpInitialize';

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

foreign import stdcall safe "PxeDhcpInitialize"
  c_PxeDhcpInitialize :: Ptr () -> Word32 -> Ptr () -> Word32 -> Ptr Word32 -> IO Word32
-- pRecvPacket : void* -> Ptr ()
-- uRecvPacketLen : DWORD -> Word32
-- pReplyPacket : void* out -> Ptr ()
-- uMaxReplyPacketLen : DWORD -> Word32
-- puReplyPacketLen : 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 pxedhcpinitialize =
  foreign "PxeDhcpInitialize"
    ((ptr void) @-> uint32_t @-> (ptr void) @-> uint32_t @-> (ptr uint32_t) @-> returning uint32_t)
(* pRecvPacket : void* -> (ptr void) *)
(* uRecvPacketLen : DWORD -> uint32_t *)
(* pReplyPacket : void* out -> (ptr void) *)
(* uMaxReplyPacketLen : DWORD -> uint32_t *)
(* puReplyPacketLen : 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 ("PxeDhcpInitialize" pxe-dhcp-initialize :convention :stdcall) :uint32
  (p-recv-packet :pointer)   ; void*
  (u-recv-packet-len :uint32)   ; DWORD
  (p-reply-packet :pointer)   ; void* out
  (u-max-reply-packet-len :uint32)   ; DWORD
  (pu-reply-packet-len :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 $PxeDhcpInitialize = Win32::API::More->new('WDSPXE',
    'DWORD PxeDhcpInitialize(LPVOID pRecvPacket, DWORD uRecvPacketLen, LPVOID pReplyPacket, DWORD uMaxReplyPacketLen, LPVOID puReplyPacketLen)');
# my $ret = $PxeDhcpInitialize->Call($pRecvPacket, $uRecvPacketLen, $pReplyPacket, $uMaxReplyPacketLen, $puReplyPacketLen);
# pRecvPacket : void* -> LPVOID
# uRecvPacketLen : DWORD -> DWORD
# pReplyPacket : void* out -> LPVOID
# uMaxReplyPacketLen : DWORD -> DWORD
# puReplyPacketLen : 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。