Win32 API 日本語リファレンス
ホームSystem.DeploymentServices › PxeDhcpv6Initialize

PxeDhcpv6Initialize

関数
受信パケットを基にDHCPv6応答パケットを初期化する。
DLLWDSPXE.dll呼出規約winapi対応OSwindows8.0

シグネチャ

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

DWORD PxeDhcpv6Initialize(
    void* pRequest,
    DWORD cbRequest,
    void* pReply,
    DWORD cbReply,
    DWORD* pcbReplyUsed
);

パラメーター

名前方向説明
pRequestvoid*in受信したDHCPv6要求パケットへのポインタ。
cbRequestDWORDin要求パケットの長さ(バイト単位)。
pReplyvoid*out構築する応答DHCPv6パケットを書き込むバッファ。
cbReplyDWORDin応答バッファの最大サイズ(バイト単位)。
pcbReplyUsedDWORD*out実際に使用された応答パケット長を受け取るDWORDポインタ。

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD PxeDhcpv6Initialize(
    void* pRequest,
    DWORD cbRequest,
    void* pReply,
    DWORD cbReply,
    DWORD* pcbReplyUsed
);
[DllImport("WDSPXE.dll", ExactSpelling = true)]
static extern uint PxeDhcpv6Initialize(
    IntPtr pRequest,   // void*
    uint cbRequest,   // DWORD
    IntPtr pReply,   // void* out
    uint cbReply,   // DWORD
    out uint pcbReplyUsed   // DWORD* out
);
<DllImport("WDSPXE.dll", ExactSpelling:=True)>
Public Shared Function PxeDhcpv6Initialize(
    pRequest As IntPtr,   ' void*
    cbRequest As UInteger,   ' DWORD
    pReply As IntPtr,   ' void* out
    cbReply As UInteger,   ' DWORD
    <Out> ByRef pcbReplyUsed As UInteger   ' DWORD* out
) As UInteger
End Function
' pRequest : void*
' cbRequest : DWORD
' pReply : void* out
' cbReply : DWORD
' pcbReplyUsed : DWORD* out
Declare PtrSafe Function PxeDhcpv6Initialize Lib "wdspxe" ( _
    ByVal pRequest As LongPtr, _
    ByVal cbRequest As Long, _
    ByVal pReply As LongPtr, _
    ByVal cbReply As Long, _
    ByRef pcbReplyUsed 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

PxeDhcpv6Initialize = ctypes.windll.wdspxe.PxeDhcpv6Initialize
PxeDhcpv6Initialize.restype = wintypes.DWORD
PxeDhcpv6Initialize.argtypes = [
    ctypes.POINTER(None),  # pRequest : void*
    wintypes.DWORD,  # cbRequest : DWORD
    ctypes.POINTER(None),  # pReply : void* out
    wintypes.DWORD,  # cbReply : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcbReplyUsed : DWORD* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WDSPXE.dll')
PxeDhcpv6Initialize = Fiddle::Function.new(
  lib['PxeDhcpv6Initialize'],
  [
    Fiddle::TYPE_VOIDP,  # pRequest : void*
    -Fiddle::TYPE_INT,  # cbRequest : DWORD
    Fiddle::TYPE_VOIDP,  # pReply : void* out
    -Fiddle::TYPE_INT,  # cbReply : DWORD
    Fiddle::TYPE_VOIDP,  # pcbReplyUsed : DWORD* out
  ],
  -Fiddle::TYPE_INT)
#[link(name = "wdspxe")]
extern "system" {
    fn PxeDhcpv6Initialize(
        pRequest: *mut (),  // void*
        cbRequest: u32,  // DWORD
        pReply: *mut (),  // void* out
        cbReply: u32,  // DWORD
        pcbReplyUsed: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("WDSPXE.dll")]
public static extern uint PxeDhcpv6Initialize(IntPtr pRequest, uint cbRequest, IntPtr pReply, uint cbReply, out uint pcbReplyUsed);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WDSPXE_PxeDhcpv6Initialize' -Namespace Win32 -PassThru
# $api::PxeDhcpv6Initialize(pRequest, cbRequest, pReply, cbReply, pcbReplyUsed)
#uselib "WDSPXE.dll"
#func global PxeDhcpv6Initialize "PxeDhcpv6Initialize" sptr, sptr, sptr, sptr, sptr
; PxeDhcpv6Initialize pRequest, cbRequest, pReply, cbReply, varptr(pcbReplyUsed)   ; 戻り値は stat
; pRequest : void* -> "sptr"
; cbRequest : DWORD -> "sptr"
; pReply : void* out -> "sptr"
; cbReply : DWORD -> "sptr"
; pcbReplyUsed : 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。
出力引数:
#uselib "WDSPXE.dll"
#cfunc global PxeDhcpv6Initialize "PxeDhcpv6Initialize" sptr, int, sptr, int, var
; res = PxeDhcpv6Initialize(pRequest, cbRequest, pReply, cbReply, pcbReplyUsed)
; pRequest : void* -> "sptr"
; cbRequest : DWORD -> "int"
; pReply : void* out -> "sptr"
; cbReply : DWORD -> "int"
; pcbReplyUsed : DWORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
出力引数:
; DWORD PxeDhcpv6Initialize(void* pRequest, DWORD cbRequest, void* pReply, DWORD cbReply, DWORD* pcbReplyUsed)
#uselib "WDSPXE.dll"
#cfunc global PxeDhcpv6Initialize "PxeDhcpv6Initialize" intptr, int, intptr, int, var
; res = PxeDhcpv6Initialize(pRequest, cbRequest, pReply, cbReply, pcbReplyUsed)
; pRequest : void* -> "intptr"
; cbRequest : DWORD -> "int"
; pReply : void* out -> "intptr"
; cbReply : DWORD -> "int"
; pcbReplyUsed : DWORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	wdspxe = windows.NewLazySystemDLL("WDSPXE.dll")
	procPxeDhcpv6Initialize = wdspxe.NewProc("PxeDhcpv6Initialize")
)

// pRequest (void*), cbRequest (DWORD), pReply (void* out), cbReply (DWORD), pcbReplyUsed (DWORD* out)
r1, _, err := procPxeDhcpv6Initialize.Call(
	uintptr(pRequest),
	uintptr(cbRequest),
	uintptr(pReply),
	uintptr(cbReply),
	uintptr(pcbReplyUsed),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function PxeDhcpv6Initialize(
  pRequest: Pointer;   // void*
  cbRequest: DWORD;   // DWORD
  pReply: Pointer;   // void* out
  cbReply: DWORD;   // DWORD
  pcbReplyUsed: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'WDSPXE.dll' name 'PxeDhcpv6Initialize';
result := DllCall("WDSPXE\PxeDhcpv6Initialize"
    , "Ptr", pRequest   ; void*
    , "UInt", cbRequest   ; DWORD
    , "Ptr", pReply   ; void* out
    , "UInt", cbReply   ; DWORD
    , "Ptr", pcbReplyUsed   ; DWORD* out
    , "UInt")   ; return: DWORD
●PxeDhcpv6Initialize(pRequest, cbRequest, pReply, cbReply, pcbReplyUsed) = DLL("WDSPXE.dll", "dword PxeDhcpv6Initialize(void*, dword, void*, dword, void*)")
# 呼び出し: PxeDhcpv6Initialize(pRequest, cbRequest, pReply, cbReply, pcbReplyUsed)
# pRequest : void* -> "void*"
# cbRequest : DWORD -> "dword"
# pReply : void* out -> "void*"
# cbReply : DWORD -> "dword"
# pcbReplyUsed : 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 PxeDhcpv6Initialize(
    pRequest: ?*anyopaque, // void*
    cbRequest: u32, // DWORD
    pReply: ?*anyopaque, // void* out
    cbReply: u32, // DWORD
    pcbReplyUsed: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) u32;
proc PxeDhcpv6Initialize(
    pRequest: pointer,  # void*
    cbRequest: uint32,  # DWORD
    pReply: pointer,  # void* out
    cbReply: uint32,  # DWORD
    pcbReplyUsed: ptr uint32  # DWORD* out
): uint32 {.importc: "PxeDhcpv6Initialize", stdcall, dynlib: "WDSPXE.dll".}
pragma(lib, "wdspxe");
extern(Windows)
uint PxeDhcpv6Initialize(
    void* pRequest,   // void*
    uint cbRequest,   // DWORD
    void* pReply,   // void* out
    uint cbReply,   // DWORD
    uint* pcbReplyUsed   // DWORD* out
);
ccall((:PxeDhcpv6Initialize, "WDSPXE.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, UInt32, Ptr{Cvoid}, UInt32, Ptr{UInt32}),
      pRequest, cbRequest, pReply, cbReply, pcbReplyUsed)
# pRequest : void* -> Ptr{Cvoid}
# cbRequest : DWORD -> UInt32
# pReply : void* out -> Ptr{Cvoid}
# cbReply : DWORD -> UInt32
# pcbReplyUsed : 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 PxeDhcpv6Initialize(
    void* pRequest,
    uint32_t cbRequest,
    void* pReply,
    uint32_t cbReply,
    uint32_t* pcbReplyUsed);
]]
local wdspxe = ffi.load("wdspxe")
-- wdspxe.PxeDhcpv6Initialize(pRequest, cbRequest, pReply, cbReply, pcbReplyUsed)
-- pRequest : void*
-- cbRequest : DWORD
-- pReply : void* out
-- cbReply : DWORD
-- pcbReplyUsed : 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 PxeDhcpv6Initialize = lib.func('__stdcall', 'PxeDhcpv6Initialize', 'uint32_t', ['void *', 'uint32_t', 'void *', 'uint32_t', 'uint32_t *']);
// PxeDhcpv6Initialize(pRequest, cbRequest, pReply, cbReply, pcbReplyUsed)
// pRequest : void* -> 'void *'
// cbRequest : DWORD -> 'uint32_t'
// pReply : void* out -> 'void *'
// cbReply : DWORD -> 'uint32_t'
// pcbReplyUsed : 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", {
  PxeDhcpv6Initialize: { parameters: ["pointer", "u32", "pointer", "u32", "pointer"], result: "u32" },
});
// lib.symbols.PxeDhcpv6Initialize(pRequest, cbRequest, pReply, cbReply, pcbReplyUsed)
// pRequest : void* -> "pointer"
// cbRequest : DWORD -> "u32"
// pReply : void* out -> "pointer"
// cbReply : DWORD -> "u32"
// pcbReplyUsed : 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 PxeDhcpv6Initialize(
    void* pRequest,
    uint32_t cbRequest,
    void* pReply,
    uint32_t cbReply,
    uint32_t* pcbReplyUsed);
C, "WDSPXE.dll");
// $ffi->PxeDhcpv6Initialize(pRequest, cbRequest, pReply, cbReply, pcbReplyUsed);
// pRequest : void*
// cbRequest : DWORD
// pReply : void* out
// cbReply : DWORD
// pcbReplyUsed : 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 PxeDhcpv6Initialize(
        Pointer pRequest,   // void*
        int cbRequest,   // DWORD
        Pointer pReply,   // void* out
        int cbReply,   // DWORD
        IntByReference pcbReplyUsed   // DWORD* out
    );
}
@[Link("wdspxe")]
lib LibWDSPXE
  fun PxeDhcpv6Initialize = PxeDhcpv6Initialize(
    pRequest : Void*,   # void*
    cbRequest : UInt32,   # DWORD
    pReply : Void*,   # void* out
    cbReply : UInt32,   # DWORD
    pcbReplyUsed : 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 PxeDhcpv6InitializeNative = Uint32 Function(Pointer<Void>, Uint32, Pointer<Void>, Uint32, Pointer<Uint32>);
typedef PxeDhcpv6InitializeDart = int Function(Pointer<Void>, int, Pointer<Void>, int, Pointer<Uint32>);
final PxeDhcpv6Initialize = DynamicLibrary.open('WDSPXE.dll')
    .lookupFunction<PxeDhcpv6InitializeNative, PxeDhcpv6InitializeDart>('PxeDhcpv6Initialize');
// pRequest : void* -> Pointer<Void>
// cbRequest : DWORD -> Uint32
// pReply : void* out -> Pointer<Void>
// cbReply : DWORD -> Uint32
// pcbReplyUsed : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function PxeDhcpv6Initialize(
  pRequest: Pointer;   // void*
  cbRequest: DWORD;   // DWORD
  pReply: Pointer;   // void* out
  cbReply: DWORD;   // DWORD
  pcbReplyUsed: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'WDSPXE.dll' name 'PxeDhcpv6Initialize';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "PxeDhcpv6Initialize"
  c_PxeDhcpv6Initialize :: Ptr () -> Word32 -> Ptr () -> Word32 -> Ptr Word32 -> IO Word32
-- pRequest : void* -> Ptr ()
-- cbRequest : DWORD -> Word32
-- pReply : void* out -> Ptr ()
-- cbReply : DWORD -> Word32
-- pcbReplyUsed : 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 pxedhcpv6initialize =
  foreign "PxeDhcpv6Initialize"
    ((ptr void) @-> uint32_t @-> (ptr void) @-> uint32_t @-> (ptr uint32_t) @-> returning uint32_t)
(* pRequest : void* -> (ptr void) *)
(* cbRequest : DWORD -> uint32_t *)
(* pReply : void* out -> (ptr void) *)
(* cbReply : DWORD -> uint32_t *)
(* pcbReplyUsed : 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 ("PxeDhcpv6Initialize" pxe-dhcpv6-initialize :convention :stdcall) :uint32
  (p-request :pointer)   ; void*
  (cb-request :uint32)   ; DWORD
  (p-reply :pointer)   ; void* out
  (cb-reply :uint32)   ; DWORD
  (pcb-reply-used :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 $PxeDhcpv6Initialize = Win32::API::More->new('WDSPXE',
    'DWORD PxeDhcpv6Initialize(LPVOID pRequest, DWORD cbRequest, LPVOID pReply, DWORD cbReply, LPVOID pcbReplyUsed)');
# my $ret = $PxeDhcpv6Initialize->Call($pRequest, $cbRequest, $pReply, $cbReply, $pcbReplyUsed);
# pRequest : void* -> LPVOID
# cbRequest : DWORD -> DWORD
# pReply : void* out -> LPVOID
# cbReply : DWORD -> DWORD
# pcbReplyUsed : 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。