DhcpRegisterParamChange

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

DWORD DhcpRegisterParamChange(
    DWORD Flags,
    void* Reserved,   // optional
    LPWSTR AdapterName,
    DHCPCAPI_CLASSID* ClassId,
    DHCPCAPI_PARAMS_ARRAY Params,
    void* Handle
);

<DllImport("dhcpcsvc.dll", ExactSpelling:=True)>
Public Shared Function DhcpRegisterParamChange(
    Flags As UInteger,   ' DWORD
    Reserved As IntPtr,   ' void* optional
    <MarshalAs(UnmanagedType.LPWStr)> AdapterName As String,   ' LPWSTR
    ClassId As IntPtr,   ' DHCPCAPI_CLASSID* in/out
    Params As DHCPCAPI_PARAMS_ARRAY,   ' DHCPCAPI_PARAMS_ARRAY
    Handle As IntPtr   ' void* in/out
) As UInteger
End Function

' Flags : DWORD
' Reserved : void* optional
' AdapterName : LPWSTR
' ClassId : DHCPCAPI_CLASSID* in/out
' Params : DHCPCAPI_PARAMS_ARRAY
' Handle : void* in/out
Declare PtrSafe Function DhcpRegisterParamChange Lib "dhcpcsvc" ( _
    ByVal Flags As Long, _
    ByVal Reserved As LongPtr, _
    ByVal AdapterName As LongPtr, _
    ByVal ClassId As LongPtr, _
    ByVal Params As LongPtr, _
    ByVal Handle 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

DhcpRegisterParamChange = ctypes.windll.dhcpcsvc.DhcpRegisterParamChange
DhcpRegisterParamChange.restype = wintypes.DWORD
DhcpRegisterParamChange.argtypes = [
    wintypes.DWORD,  # Flags : DWORD
    ctypes.POINTER(None),  # Reserved : void* optional
    wintypes.LPCWSTR,  # AdapterName : LPWSTR
    ctypes.c_void_p,  # ClassId : DHCPCAPI_CLASSID* in/out
    DHCPCAPI_PARAMS_ARRAY,  # Params : DHCPCAPI_PARAMS_ARRAY
    ctypes.POINTER(None),  # Handle : void* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dhcpcsvc.dll')
DhcpRegisterParamChange = Fiddle::Function.new(
  lib['DhcpRegisterParamChange'],
  [
    -Fiddle::TYPE_INT,  # Flags : DWORD
    Fiddle::TYPE_VOIDP,  # Reserved : void* optional
    Fiddle::TYPE_VOIDP,  # AdapterName : LPWSTR
    Fiddle::TYPE_VOIDP,  # ClassId : DHCPCAPI_CLASSID* in/out
    Fiddle::TYPE_VOIDP,  # Params : DHCPCAPI_PARAMS_ARRAY
    Fiddle::TYPE_VOIDP,  # Handle : void* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "dhcpcsvc")]
extern "system" {
    fn DhcpRegisterParamChange(
        Flags: u32,  // DWORD
        Reserved: *mut (),  // void* optional
        AdapterName: *mut u16,  // LPWSTR
        ClassId: *mut DHCPCAPI_CLASSID,  // DHCPCAPI_CLASSID* in/out
        Params: DHCPCAPI_PARAMS_ARRAY,  // DHCPCAPI_PARAMS_ARRAY
        Handle: *mut ()  // void* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("dhcpcsvc.dll")]
public static extern uint DhcpRegisterParamChange(uint Flags, IntPtr Reserved, [MarshalAs(UnmanagedType.LPWStr)] string AdapterName, IntPtr ClassId, DHCPCAPI_PARAMS_ARRAY Params, IntPtr Handle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dhcpcsvc_DhcpRegisterParamChange' -Namespace Win32 -PassThru
# $api::DhcpRegisterParamChange(Flags, Reserved, AdapterName, ClassId, Params, Handle)

#uselib "dhcpcsvc.dll"
#func global DhcpRegisterParamChange "DhcpRegisterParamChange" sptr, sptr, sptr, sptr, sptr, sptr
; DhcpRegisterParamChange Flags, Reserved, AdapterName, varptr(ClassId), Params, Handle   ; 戻り値は stat
; Flags : DWORD -> "sptr"
; Reserved : void* optional -> "sptr"
; AdapterName : LPWSTR -> "sptr"
; ClassId : DHCPCAPI_CLASSID* in/out -> "sptr"
; Params : DHCPCAPI_PARAMS_ARRAY -> "sptr"
; Handle : void* in/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 (
	dhcpcsvc = windows.NewLazySystemDLL("dhcpcsvc.dll")
	procDhcpRegisterParamChange = dhcpcsvc.NewProc("DhcpRegisterParamChange")
)

// Flags (DWORD), Reserved (void* optional), AdapterName (LPWSTR), ClassId (DHCPCAPI_CLASSID* in/out), Params (DHCPCAPI_PARAMS_ARRAY), Handle (void* in/out)
r1, _, err := procDhcpRegisterParamChange.Call(
	uintptr(Flags),
	uintptr(Reserved),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(AdapterName))),
	uintptr(ClassId),
	uintptr(Params),
	uintptr(Handle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DhcpRegisterParamChange(
  Flags: DWORD;   // DWORD
  Reserved: Pointer;   // void* optional
  AdapterName: PWideChar;   // LPWSTR
  ClassId: Pointer;   // DHCPCAPI_CLASSID* in/out
  Params: DHCPCAPI_PARAMS_ARRAY;   // DHCPCAPI_PARAMS_ARRAY
  Handle: Pointer   // void* in/out
): DWORD; stdcall;
  external 'dhcpcsvc.dll' name 'DhcpRegisterParamChange';

result := DllCall("dhcpcsvc\DhcpRegisterParamChange"
    , "UInt", Flags   ; DWORD
    , "Ptr", Reserved   ; void* optional
    , "WStr", AdapterName   ; LPWSTR
    , "Ptr", ClassId   ; DHCPCAPI_CLASSID* in/out
    , "Ptr", Params   ; DHCPCAPI_PARAMS_ARRAY
    , "Ptr", Handle   ; void* in/out
    , "UInt")   ; return: DWORD

●DhcpRegisterParamChange(Flags, Reserved, AdapterName, ClassId, Params, Handle) = DLL("dhcpcsvc.dll", "dword DhcpRegisterParamChange(dword, void*, char*, void*, void*, void*)")
# 呼び出し: DhcpRegisterParamChange(Flags, Reserved, AdapterName, ClassId, Params, Handle)
# Flags : DWORD -> "dword"
# Reserved : void* optional -> "void*"
# AdapterName : LPWSTR -> "char*"
# ClassId : DHCPCAPI_CLASSID* in/out -> "void*"
# Params : DHCPCAPI_PARAMS_ARRAY -> "void*"
# Handle : void* in/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 "dhcpcsvc" fn DhcpRegisterParamChange(
    Flags: u32, // DWORD
    Reserved: ?*anyopaque, // void* optional
    AdapterName: [*c]const u16, // LPWSTR
    ClassId: [*c]DHCPCAPI_CLASSID, // DHCPCAPI_CLASSID* in/out
    Params: DHCPCAPI_PARAMS_ARRAY, // DHCPCAPI_PARAMS_ARRAY
    Handle: ?*anyopaque // void* in/out
) callconv(std.os.windows.WINAPI) u32;

proc DhcpRegisterParamChange(
    Flags: uint32,  # DWORD
    Reserved: pointer,  # void* optional
    AdapterName: WideCString,  # LPWSTR
    ClassId: ptr DHCPCAPI_CLASSID,  # DHCPCAPI_CLASSID* in/out
    Params: DHCPCAPI_PARAMS_ARRAY,  # DHCPCAPI_PARAMS_ARRAY
    Handle: pointer  # void* in/out
): uint32 {.importc: "DhcpRegisterParamChange", stdcall, dynlib: "dhcpcsvc.dll".}

pragma(lib, "dhcpcsvc");
extern(Windows)
uint DhcpRegisterParamChange(
    uint Flags,   // DWORD
    void* Reserved,   // void* optional
    const(wchar)* AdapterName,   // LPWSTR
    DHCPCAPI_CLASSID* ClassId,   // DHCPCAPI_CLASSID* in/out
    DHCPCAPI_PARAMS_ARRAY Params,   // DHCPCAPI_PARAMS_ARRAY
    void* Handle   // void* in/out
);

ccall((:DhcpRegisterParamChange, "dhcpcsvc.dll"), stdcall, UInt32,
      (UInt32, Ptr{Cvoid}, Cwstring, Ptr{DHCPCAPI_CLASSID}, DHCPCAPI_PARAMS_ARRAY, Ptr{Cvoid}),
      Flags, Reserved, AdapterName, ClassId, Params, Handle)
# Flags : DWORD -> UInt32
# Reserved : void* optional -> Ptr{Cvoid}
# AdapterName : LPWSTR -> Cwstring
# ClassId : DHCPCAPI_CLASSID* in/out -> Ptr{DHCPCAPI_CLASSID}
# Params : DHCPCAPI_PARAMS_ARRAY -> DHCPCAPI_PARAMS_ARRAY
# Handle : void* in/out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t DhcpRegisterParamChange(
    uint32_t Flags,
    void* Reserved,
    const uint16_t* AdapterName,
    void* ClassId,
    DHCPCAPI_PARAMS_ARRAY Params,
    void* Handle);
]]
local dhcpcsvc = ffi.load("dhcpcsvc")
-- dhcpcsvc.DhcpRegisterParamChange(Flags, Reserved, AdapterName, ClassId, Params, Handle)
-- Flags : DWORD
-- Reserved : void* optional
-- AdapterName : LPWSTR
-- ClassId : DHCPCAPI_CLASSID* in/out
-- Params : DHCPCAPI_PARAMS_ARRAY
-- Handle : void* in/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('dhcpcsvc.dll');
const DhcpRegisterParamChange = lib.func('__stdcall', 'DhcpRegisterParamChange', 'uint32_t', ['uint32_t', 'void *', 'str16', 'void *', 'DHCPCAPI_PARAMS_ARRAY', 'void *']);
// DhcpRegisterParamChange(Flags, Reserved, AdapterName, ClassId, Params, Handle)
// Flags : DWORD -> 'uint32_t'
// Reserved : void* optional -> 'void *'
// AdapterName : LPWSTR -> 'str16'
// ClassId : DHCPCAPI_CLASSID* in/out -> 'void *'
// Params : DHCPCAPI_PARAMS_ARRAY -> 'DHCPCAPI_PARAMS_ARRAY'
// Handle : void* in/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("dhcpcsvc.dll", {
  DhcpRegisterParamChange: { parameters: ["u32", "pointer", "buffer", "pointer", "buffer", "pointer"], result: "u32" },
});
// lib.symbols.DhcpRegisterParamChange(Flags, Reserved, AdapterName, ClassId, Params, Handle)
// Flags : DWORD -> "u32"
// Reserved : void* optional -> "pointer"
// AdapterName : LPWSTR -> "buffer"
// ClassId : DHCPCAPI_CLASSID* in/out -> "pointer"
// Params : DHCPCAPI_PARAMS_ARRAY -> "buffer"
// Handle : void* in/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 DhcpRegisterParamChange(
    uint32_t Flags,
    void* Reserved,
    const uint16_t* AdapterName,
    void* ClassId,
    DHCPCAPI_PARAMS_ARRAY Params,
    void* Handle);
C, "dhcpcsvc.dll");
// $ffi->DhcpRegisterParamChange(Flags, Reserved, AdapterName, ClassId, Params, Handle);
// Flags : DWORD
// Reserved : void* optional
// AdapterName : LPWSTR
// ClassId : DHCPCAPI_CLASSID* in/out
// Params : DHCPCAPI_PARAMS_ARRAY
// Handle : void* in/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 Dhcpcsvc extends StdCallLibrary {
    Dhcpcsvc INSTANCE = Native.load("dhcpcsvc", Dhcpcsvc.class);
    int DhcpRegisterParamChange(
        int Flags,   // DWORD
        Pointer Reserved,   // void* optional
        WString AdapterName,   // LPWSTR
        Pointer ClassId,   // DHCPCAPI_CLASSID* in/out
        DHCPCAPI_PARAMS_ARRAY /* extends Structure (by value) */ Params,   // DHCPCAPI_PARAMS_ARRAY
        Pointer Handle   // void* in/out
    );
}

@[Link("dhcpcsvc")]
lib Libdhcpcsvc
  fun DhcpRegisterParamChange = DhcpRegisterParamChange(
    Flags : UInt32,   # DWORD
    Reserved : Void*,   # void* optional
    AdapterName : UInt16*,   # LPWSTR
    ClassId : DHCPCAPI_CLASSID*,   # DHCPCAPI_CLASSID* in/out
    Params : DHCPCAPI_PARAMS_ARRAY,   # DHCPCAPI_PARAMS_ARRAY
    Handle : Void*   # void* in/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 DhcpRegisterParamChangeNative = Uint32 Function(Uint32, Pointer<Void>, Pointer<Utf16>, Pointer<Void>, DHCPCAPI_PARAMS_ARRAY, Pointer<Void>);
typedef DhcpRegisterParamChangeDart = int Function(int, Pointer<Void>, Pointer<Utf16>, Pointer<Void>, int, Pointer<Void>);
final DhcpRegisterParamChange = DynamicLibrary.open('dhcpcsvc.dll')
    .lookupFunction<DhcpRegisterParamChangeNative, DhcpRegisterParamChangeDart>('DhcpRegisterParamChange');
// Flags : DWORD -> Uint32
// Reserved : void* optional -> Pointer<Void>
// AdapterName : LPWSTR -> Pointer<Utf16>
// ClassId : DHCPCAPI_CLASSID* in/out -> Pointer<Void>
// Params : DHCPCAPI_PARAMS_ARRAY -> DHCPCAPI_PARAMS_ARRAY
// Handle : void* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DhcpRegisterParamChange(
  Flags: DWORD;   // DWORD
  Reserved: Pointer;   // void* optional
  AdapterName: PWideChar;   // LPWSTR
  ClassId: Pointer;   // DHCPCAPI_CLASSID* in/out
  Params: DHCPCAPI_PARAMS_ARRAY;   // DHCPCAPI_PARAMS_ARRAY
  Handle: Pointer   // void* in/out
): DWORD; stdcall;
  external 'dhcpcsvc.dll' name 'DhcpRegisterParamChange';

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

foreign import stdcall safe "DhcpRegisterParamChange"
  c_DhcpRegisterParamChange :: Word32 -> Ptr () -> CWString -> Ptr () -> DHCPCAPI_PARAMS_ARRAY -> Ptr () -> IO Word32
-- Flags : DWORD -> Word32
-- Reserved : void* optional -> Ptr ()
-- AdapterName : LPWSTR -> CWString
-- ClassId : DHCPCAPI_CLASSID* in/out -> Ptr ()
-- Params : DHCPCAPI_PARAMS_ARRAY -> DHCPCAPI_PARAMS_ARRAY
-- Handle : void* in/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 dhcpregisterparamchange =
  foreign "DhcpRegisterParamChange"
    (uint32_t @-> (ptr void) @-> (ptr uint16_t) @-> (ptr void) @-> DHCPCAPI_PARAMS_ARRAY @-> (ptr void) @-> returning uint32_t)
(* Flags : DWORD -> uint32_t *)
(* Reserved : void* optional -> (ptr void) *)
(* AdapterName : LPWSTR -> (ptr uint16_t) *)
(* ClassId : DHCPCAPI_CLASSID* in/out -> (ptr void) *)
(* Params : DHCPCAPI_PARAMS_ARRAY -> DHCPCAPI_PARAMS_ARRAY *)
(* Handle : void* in/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 dhcpcsvc (t "dhcpcsvc.dll"))
(cffi:use-foreign-library dhcpcsvc)

(cffi:defcfun ("DhcpRegisterParamChange" dhcp-register-param-change :convention :stdcall) :uint32
  (flags :uint32)   ; DWORD
  (reserved :pointer)   ; void* optional
  (adapter-name (:string :encoding :utf-16le))   ; LPWSTR
  (class-id :pointer)   ; DHCPCAPI_CLASSID* in/out
  (params (:struct dhcpcapi-params-array))   ; DHCPCAPI_PARAMS_ARRAY
  (handle :pointer))   ; void* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DhcpRegisterParamChange = Win32::API::More->new('dhcpcsvc',
    'DWORD DhcpRegisterParamChange(DWORD Flags, LPVOID Reserved, LPCWSTR AdapterName, LPVOID ClassId, LPVOID Params, LPVOID Handle)');
# my $ret = $DhcpRegisterParamChange->Call($Flags, $Reserved, $AdapterName, $ClassId, $Params, $Handle);
# Flags : DWORD -> DWORD
# Reserved : void* optional -> LPVOID
# AdapterName : LPWSTR -> LPCWSTR
# ClassId : DHCPCAPI_CLASSID* in/out -> LPVOID
# Params : DHCPCAPI_PARAMS_ARRAY -> LPVOID
# Handle : void* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。