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。

#uselib "WDSPXE.dll"
#cfunc global PxeDhcpv6CreateRelayRepl "PxeDhcpv6CreateRelayRepl" var, int, var, int, sptr, int, var
; res = PxeDhcpv6CreateRelayRepl(pRelayMessages, nRelayMessages, pInnerPacket, cbInnerPacket, pReplyBuffer, cbReplyBuffer, pcbReplyBuffer)
; pRelayMessages : PXE_DHCPV6_NESTED_RELAY_MESSAGE* -> "var"
; nRelayMessages : DWORD -> "int"
; pInnerPacket : BYTE* -> "var"
; cbInnerPacket : DWORD -> "int"
; pReplyBuffer : void* out -> "sptr"
; cbReplyBuffer : DWORD -> "int"
; pcbReplyBuffer : 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。

; DWORD PxeDhcpv6CreateRelayRepl(PXE_DHCPV6_NESTED_RELAY_MESSAGE* pRelayMessages, DWORD nRelayMessages, BYTE* pInnerPacket, DWORD cbInnerPacket, void* pReplyBuffer, DWORD cbReplyBuffer, DWORD* pcbReplyBuffer)
#uselib "WDSPXE.dll"
#cfunc global PxeDhcpv6CreateRelayRepl "PxeDhcpv6CreateRelayRepl" var, int, var, int, intptr, int, var
; res = PxeDhcpv6CreateRelayRepl(pRelayMessages, nRelayMessages, pInnerPacket, cbInnerPacket, pReplyBuffer, cbReplyBuffer, pcbReplyBuffer)
; pRelayMessages : PXE_DHCPV6_NESTED_RELAY_MESSAGE* -> "var"
; nRelayMessages : DWORD -> "int"
; pInnerPacket : BYTE* -> "var"
; cbInnerPacket : DWORD -> "int"
; pReplyBuffer : void* out -> "intptr"
; cbReplyBuffer : DWORD -> "int"
; pcbReplyBuffer : 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")
	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)。