DhcpV6GetStatelessStoreParams

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

DWORD DhcpV6GetStatelessStoreParams(
    LPWSTR ServerIpAddress,   // optional
    BOOL fServerLevel,
    DHCP_IPV6_ADDRESS SubnetAddress,
    DHCPV6_STATELESS_PARAMS** Params
);

<DllImport("DHCPSAPI.dll", ExactSpelling:=True)>
Public Shared Function DhcpV6GetStatelessStoreParams(
    <MarshalAs(UnmanagedType.LPWStr)> ServerIpAddress As String,   ' LPWSTR optional
    fServerLevel As Boolean,   ' BOOL
    SubnetAddress As DHCP_IPV6_ADDRESS,   ' DHCP_IPV6_ADDRESS
    Params As IntPtr   ' DHCPV6_STATELESS_PARAMS** out
) As UInteger
End Function

' ServerIpAddress : LPWSTR optional
' fServerLevel : BOOL
' SubnetAddress : DHCP_IPV6_ADDRESS
' Params : DHCPV6_STATELESS_PARAMS** out
Declare PtrSafe Function DhcpV6GetStatelessStoreParams Lib "dhcpsapi" ( _
    ByVal ServerIpAddress As LongPtr, _
    ByVal fServerLevel As Long, _
    ByVal SubnetAddress As LongPtr, _
    ByVal Params As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DhcpV6GetStatelessStoreParams = ctypes.windll.dhcpsapi.DhcpV6GetStatelessStoreParams
DhcpV6GetStatelessStoreParams.restype = wintypes.DWORD
DhcpV6GetStatelessStoreParams.argtypes = [
    wintypes.LPCWSTR,  # ServerIpAddress : LPWSTR optional
    wintypes.BOOL,  # fServerLevel : BOOL
    DHCP_IPV6_ADDRESS,  # SubnetAddress : DHCP_IPV6_ADDRESS
    ctypes.c_void_p,  # Params : DHCPV6_STATELESS_PARAMS** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DHCPSAPI.dll')
DhcpV6GetStatelessStoreParams = Fiddle::Function.new(
  lib['DhcpV6GetStatelessStoreParams'],
  [
    Fiddle::TYPE_VOIDP,  # ServerIpAddress : LPWSTR optional
    Fiddle::TYPE_INT,  # fServerLevel : BOOL
    Fiddle::TYPE_VOIDP,  # SubnetAddress : DHCP_IPV6_ADDRESS
    Fiddle::TYPE_VOIDP,  # Params : DHCPV6_STATELESS_PARAMS** out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "dhcpsapi")]
extern "system" {
    fn DhcpV6GetStatelessStoreParams(
        ServerIpAddress: *mut u16,  // LPWSTR optional
        fServerLevel: i32,  // BOOL
        SubnetAddress: DHCP_IPV6_ADDRESS,  // DHCP_IPV6_ADDRESS
        Params: *mut *mut DHCPV6_STATELESS_PARAMS  // DHCPV6_STATELESS_PARAMS** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DHCPSAPI.dll")]
public static extern uint DhcpV6GetStatelessStoreParams([MarshalAs(UnmanagedType.LPWStr)] string ServerIpAddress, bool fServerLevel, DHCP_IPV6_ADDRESS SubnetAddress, IntPtr Params);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DHCPSAPI_DhcpV6GetStatelessStoreParams' -Namespace Win32 -PassThru
# $api::DhcpV6GetStatelessStoreParams(ServerIpAddress, fServerLevel, SubnetAddress, Params)

#uselib "DHCPSAPI.dll"
#func global DhcpV6GetStatelessStoreParams "DhcpV6GetStatelessStoreParams" sptr, sptr, sptr, sptr
; DhcpV6GetStatelessStoreParams ServerIpAddress, fServerLevel, SubnetAddress, varptr(Params)   ; 戻り値は stat
; ServerIpAddress : LPWSTR optional -> "sptr"
; fServerLevel : BOOL -> "sptr"
; SubnetAddress : DHCP_IPV6_ADDRESS -> "sptr"
; Params : DHCPV6_STATELESS_PARAMS** out -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 (
	dhcpsapi = windows.NewLazySystemDLL("DHCPSAPI.dll")
	procDhcpV6GetStatelessStoreParams = dhcpsapi.NewProc("DhcpV6GetStatelessStoreParams")
)

// ServerIpAddress (LPWSTR optional), fServerLevel (BOOL), SubnetAddress (DHCP_IPV6_ADDRESS), Params (DHCPV6_STATELESS_PARAMS** out)
r1, _, err := procDhcpV6GetStatelessStoreParams.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(ServerIpAddress))),
	uintptr(fServerLevel),
	uintptr(SubnetAddress),
	uintptr(Params),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DhcpV6GetStatelessStoreParams(
  ServerIpAddress: PWideChar;   // LPWSTR optional
  fServerLevel: BOOL;   // BOOL
  SubnetAddress: DHCP_IPV6_ADDRESS;   // DHCP_IPV6_ADDRESS
  Params: Pointer   // DHCPV6_STATELESS_PARAMS** out
): DWORD; stdcall;
  external 'DHCPSAPI.dll' name 'DhcpV6GetStatelessStoreParams';

result := DllCall("DHCPSAPI\DhcpV6GetStatelessStoreParams"
    , "WStr", ServerIpAddress   ; LPWSTR optional
    , "Int", fServerLevel   ; BOOL
    , "Ptr", SubnetAddress   ; DHCP_IPV6_ADDRESS
    , "Ptr", Params   ; DHCPV6_STATELESS_PARAMS** out
    , "UInt")   ; return: DWORD

●DhcpV6GetStatelessStoreParams(ServerIpAddress, fServerLevel, SubnetAddress, Params) = DLL("DHCPSAPI.dll", "dword DhcpV6GetStatelessStoreParams(char*, bool, void*, void*)")
# 呼び出し: DhcpV6GetStatelessStoreParams(ServerIpAddress, fServerLevel, SubnetAddress, Params)
# ServerIpAddress : LPWSTR optional -> "char*"
# fServerLevel : BOOL -> "bool"
# SubnetAddress : DHCP_IPV6_ADDRESS -> "void*"
# Params : DHCPV6_STATELESS_PARAMS** 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 "dhcpsapi" fn DhcpV6GetStatelessStoreParams(
    ServerIpAddress: [*c]const u16, // LPWSTR optional
    fServerLevel: i32, // BOOL
    SubnetAddress: DHCP_IPV6_ADDRESS, // DHCP_IPV6_ADDRESS
    Params: [*c][*c]DHCPV6_STATELESS_PARAMS // DHCPV6_STATELESS_PARAMS** out
) callconv(std.os.windows.WINAPI) u32;

proc DhcpV6GetStatelessStoreParams(
    ServerIpAddress: WideCString,  # LPWSTR optional
    fServerLevel: int32,  # BOOL
    SubnetAddress: DHCP_IPV6_ADDRESS,  # DHCP_IPV6_ADDRESS
    Params: ptr DHCPV6_STATELESS_PARAMS  # DHCPV6_STATELESS_PARAMS** out
): uint32 {.importc: "DhcpV6GetStatelessStoreParams", stdcall, dynlib: "DHCPSAPI.dll".}

pragma(lib, "dhcpsapi");
extern(Windows)
uint DhcpV6GetStatelessStoreParams(
    const(wchar)* ServerIpAddress,   // LPWSTR optional
    int fServerLevel,   // BOOL
    DHCP_IPV6_ADDRESS SubnetAddress,   // DHCP_IPV6_ADDRESS
    DHCPV6_STATELESS_PARAMS** Params   // DHCPV6_STATELESS_PARAMS** out
);

ccall((:DhcpV6GetStatelessStoreParams, "DHCPSAPI.dll"), stdcall, UInt32,
      (Cwstring, Int32, DHCP_IPV6_ADDRESS, Ptr{DHCPV6_STATELESS_PARAMS}),
      ServerIpAddress, fServerLevel, SubnetAddress, Params)
# ServerIpAddress : LPWSTR optional -> Cwstring
# fServerLevel : BOOL -> Int32
# SubnetAddress : DHCP_IPV6_ADDRESS -> DHCP_IPV6_ADDRESS
# Params : DHCPV6_STATELESS_PARAMS** out -> Ptr{DHCPV6_STATELESS_PARAMS}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t DhcpV6GetStatelessStoreParams(
    const uint16_t* ServerIpAddress,
    int32_t fServerLevel,
    DHCP_IPV6_ADDRESS SubnetAddress,
    void* Params);
]]
local dhcpsapi = ffi.load("dhcpsapi")
-- dhcpsapi.DhcpV6GetStatelessStoreParams(ServerIpAddress, fServerLevel, SubnetAddress, Params)
-- ServerIpAddress : LPWSTR optional
-- fServerLevel : BOOL
-- SubnetAddress : DHCP_IPV6_ADDRESS
-- Params : DHCPV6_STATELESS_PARAMS** 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('DHCPSAPI.dll');
const DhcpV6GetStatelessStoreParams = lib.func('__stdcall', 'DhcpV6GetStatelessStoreParams', 'uint32_t', ['str16', 'int32_t', 'DHCP_IPV6_ADDRESS', 'void *']);
// DhcpV6GetStatelessStoreParams(ServerIpAddress, fServerLevel, SubnetAddress, Params)
// ServerIpAddress : LPWSTR optional -> 'str16'
// fServerLevel : BOOL -> 'int32_t'
// SubnetAddress : DHCP_IPV6_ADDRESS -> 'DHCP_IPV6_ADDRESS'
// Params : DHCPV6_STATELESS_PARAMS** out -> 'void *'
// 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("DHCPSAPI.dll", {
  DhcpV6GetStatelessStoreParams: { parameters: ["buffer", "i32", "buffer", "pointer"], result: "u32" },
});
// lib.symbols.DhcpV6GetStatelessStoreParams(ServerIpAddress, fServerLevel, SubnetAddress, Params)
// ServerIpAddress : LPWSTR optional -> "buffer"
// fServerLevel : BOOL -> "i32"
// SubnetAddress : DHCP_IPV6_ADDRESS -> "buffer"
// Params : DHCPV6_STATELESS_PARAMS** 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 DhcpV6GetStatelessStoreParams(
    const uint16_t* ServerIpAddress,
    int32_t fServerLevel,
    DHCP_IPV6_ADDRESS SubnetAddress,
    void* Params);
C, "DHCPSAPI.dll");
// $ffi->DhcpV6GetStatelessStoreParams(ServerIpAddress, fServerLevel, SubnetAddress, Params);
// ServerIpAddress : LPWSTR optional
// fServerLevel : BOOL
// SubnetAddress : DHCP_IPV6_ADDRESS
// Params : DHCPV6_STATELESS_PARAMS** 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 Dhcpsapi extends StdCallLibrary {
    Dhcpsapi INSTANCE = Native.load("dhcpsapi", Dhcpsapi.class);
    int DhcpV6GetStatelessStoreParams(
        WString ServerIpAddress,   // LPWSTR optional
        boolean fServerLevel,   // BOOL
        DHCP_IPV6_ADDRESS /* extends Structure (by value) */ SubnetAddress,   // DHCP_IPV6_ADDRESS
        Pointer Params   // DHCPV6_STATELESS_PARAMS** out
    );
}

@[Link("dhcpsapi")]
lib LibDHCPSAPI
  fun DhcpV6GetStatelessStoreParams = DhcpV6GetStatelessStoreParams(
    ServerIpAddress : UInt16*,   # LPWSTR optional
    fServerLevel : Int32,   # BOOL
    SubnetAddress : DHCP_IPV6_ADDRESS,   # DHCP_IPV6_ADDRESS
    Params : DHCPV6_STATELESS_PARAMS**   # DHCPV6_STATELESS_PARAMS** 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 DhcpV6GetStatelessStoreParamsNative = Uint32 Function(Pointer<Utf16>, Int32, DHCP_IPV6_ADDRESS, Pointer<Void>);
typedef DhcpV6GetStatelessStoreParamsDart = int Function(Pointer<Utf16>, int, int, Pointer<Void>);
final DhcpV6GetStatelessStoreParams = DynamicLibrary.open('DHCPSAPI.dll')
    .lookupFunction<DhcpV6GetStatelessStoreParamsNative, DhcpV6GetStatelessStoreParamsDart>('DhcpV6GetStatelessStoreParams');
// ServerIpAddress : LPWSTR optional -> Pointer<Utf16>
// fServerLevel : BOOL -> Int32
// SubnetAddress : DHCP_IPV6_ADDRESS -> DHCP_IPV6_ADDRESS
// Params : DHCPV6_STATELESS_PARAMS** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DhcpV6GetStatelessStoreParams(
  ServerIpAddress: PWideChar;   // LPWSTR optional
  fServerLevel: BOOL;   // BOOL
  SubnetAddress: DHCP_IPV6_ADDRESS;   // DHCP_IPV6_ADDRESS
  Params: Pointer   // DHCPV6_STATELESS_PARAMS** out
): DWORD; stdcall;
  external 'DHCPSAPI.dll' name 'DhcpV6GetStatelessStoreParams';

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

foreign import stdcall safe "DhcpV6GetStatelessStoreParams"
  c_DhcpV6GetStatelessStoreParams :: CWString -> CInt -> DHCP_IPV6_ADDRESS -> Ptr () -> IO Word32
-- ServerIpAddress : LPWSTR optional -> CWString
-- fServerLevel : BOOL -> CInt
-- SubnetAddress : DHCP_IPV6_ADDRESS -> DHCP_IPV6_ADDRESS
-- Params : DHCPV6_STATELESS_PARAMS** out -> Ptr ()
-- 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。
-- ※値渡し構造体は GHC FFI で直接渡せません。Ptr で渡すラッパ(C側)経由にしてください。

open Ctypes
open Foreign

let dhcpv6getstatelessstoreparams =
  foreign "DhcpV6GetStatelessStoreParams"
    ((ptr uint16_t) @-> int32_t @-> DHCP_IPV6_ADDRESS @-> (ptr void) @-> returning uint32_t)
(* ServerIpAddress : LPWSTR optional -> (ptr uint16_t) *)
(* fServerLevel : BOOL -> int32_t *)
(* SubnetAddress : DHCP_IPV6_ADDRESS -> DHCP_IPV6_ADDRESS *)
(* Params : DHCPV6_STATELESS_PARAMS** out -> (ptr void) *)
(* 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 dhcpsapi (t "DHCPSAPI.dll"))
(cffi:use-foreign-library dhcpsapi)

(cffi:defcfun ("DhcpV6GetStatelessStoreParams" dhcp-v6-get-stateless-store-params :convention :stdcall) :uint32
  (server-ip-address (:string :encoding :utf-16le))   ; LPWSTR optional
  (f-server-level :int32)   ; BOOL
  (subnet-address (:struct dhcp-ipv6-address))   ; DHCP_IPV6_ADDRESS
  (params :pointer))   ; DHCPV6_STATELESS_PARAMS** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DhcpV6GetStatelessStoreParams = Win32::API::More->new('DHCPSAPI',
    'DWORD DhcpV6GetStatelessStoreParams(LPCWSTR ServerIpAddress, BOOL fServerLevel, LPVOID SubnetAddress, LPVOID Params)');
# my $ret = $DhcpV6GetStatelessStoreParams->Call($ServerIpAddress, $fServerLevel, $SubnetAddress, $Params);
# ServerIpAddress : LPWSTR optional -> LPCWSTR
# fServerLevel : BOOL -> BOOL
# SubnetAddress : DHCP_IPV6_ADDRESS -> LPVOID
# Params : DHCPV6_STATELESS_PARAMS** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。