DhcpCApiInitialize

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

DWORD DhcpCApiInitialize(
    DWORD* Version
);

<DllImport("dhcpcsvc.dll", ExactSpelling:=True)>
Public Shared Function DhcpCApiInitialize(
    ByRef Version As UInteger   ' DWORD* in/out
) As UInteger
End Function

' Version : DWORD* in/out
Declare PtrSafe Function DhcpCApiInitialize Lib "dhcpcsvc" ( _
    ByRef Version 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

DhcpCApiInitialize = ctypes.windll.dhcpcsvc.DhcpCApiInitialize
DhcpCApiInitialize.restype = wintypes.DWORD
DhcpCApiInitialize.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # Version : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dhcpcsvc.dll')
DhcpCApiInitialize = Fiddle::Function.new(
  lib['DhcpCApiInitialize'],
  [
    Fiddle::TYPE_VOIDP,  # Version : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "dhcpcsvc")]
extern "system" {
    fn DhcpCApiInitialize(
        Version: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("dhcpcsvc.dll")]
public static extern uint DhcpCApiInitialize(ref uint Version);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dhcpcsvc_DhcpCApiInitialize' -Namespace Win32 -PassThru
# $api::DhcpCApiInitialize(Version)

#uselib "dhcpcsvc.dll"
#func global DhcpCApiInitialize "DhcpCApiInitialize" sptr
; DhcpCApiInitialize varptr(Version)   ; 戻り値は stat
; Version : DWORD* in/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 (
	dhcpcsvc = windows.NewLazySystemDLL("dhcpcsvc.dll")
	procDhcpCApiInitialize = dhcpcsvc.NewProc("DhcpCApiInitialize")
)

// Version (DWORD* in/out)
r1, _, err := procDhcpCApiInitialize.Call(
	uintptr(Version),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DhcpCApiInitialize(
  Version: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'dhcpcsvc.dll' name 'DhcpCApiInitialize';

result := DllCall("dhcpcsvc\DhcpCApiInitialize"
    , "Ptr", Version   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●DhcpCApiInitialize(Version) = DLL("dhcpcsvc.dll", "dword DhcpCApiInitialize(void*)")
# 呼び出し: DhcpCApiInitialize(Version)
# Version : DWORD* 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 DhcpCApiInitialize(
    Version: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) u32;

proc DhcpCApiInitialize(
    Version: ptr uint32  # DWORD* in/out
): uint32 {.importc: "DhcpCApiInitialize", stdcall, dynlib: "dhcpcsvc.dll".}

pragma(lib, "dhcpcsvc");
extern(Windows)
uint DhcpCApiInitialize(
    uint* Version   // DWORD* in/out
);

ccall((:DhcpCApiInitialize, "dhcpcsvc.dll"), stdcall, UInt32,
      (Ptr{UInt32},),
      Version)
# Version : DWORD* in/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 DhcpCApiInitialize(
    uint32_t* Version);
]]
local dhcpcsvc = ffi.load("dhcpcsvc")
-- dhcpcsvc.DhcpCApiInitialize(Version)
-- Version : DWORD* 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 DhcpCApiInitialize = lib.func('__stdcall', 'DhcpCApiInitialize', 'uint32_t', ['uint32_t *']);
// DhcpCApiInitialize(Version)
// Version : DWORD* in/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("dhcpcsvc.dll", {
  DhcpCApiInitialize: { parameters: ["pointer"], result: "u32" },
});
// lib.symbols.DhcpCApiInitialize(Version)
// Version : DWORD* 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 DhcpCApiInitialize(
    uint32_t* Version);
C, "dhcpcsvc.dll");
// $ffi->DhcpCApiInitialize(Version);
// Version : DWORD* 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 DhcpCApiInitialize(
        IntByReference Version   // DWORD* in/out
    );
}

@[Link("dhcpcsvc")]
lib Libdhcpcsvc
  fun DhcpCApiInitialize = DhcpCApiInitialize(
    Version : UInt32*   # DWORD* 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 DhcpCApiInitializeNative = Uint32 Function(Pointer<Uint32>);
typedef DhcpCApiInitializeDart = int Function(Pointer<Uint32>);
final DhcpCApiInitialize = DynamicLibrary.open('dhcpcsvc.dll')
    .lookupFunction<DhcpCApiInitializeNative, DhcpCApiInitializeDart>('DhcpCApiInitialize');
// Version : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DhcpCApiInitialize(
  Version: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'dhcpcsvc.dll' name 'DhcpCApiInitialize';

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

foreign import stdcall safe "DhcpCApiInitialize"
  c_DhcpCApiInitialize :: Ptr Word32 -> IO Word32
-- Version : DWORD* in/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 dhcpcapiinitialize =
  foreign "DhcpCApiInitialize"
    ((ptr uint32_t) @-> returning uint32_t)
(* Version : DWORD* in/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 dhcpcsvc (t "dhcpcsvc.dll"))
(cffi:use-foreign-library dhcpcsvc)

(cffi:defcfun ("DhcpCApiInitialize" dhcp-capi-initialize :convention :stdcall) :uint32
  (version :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DhcpCApiInitialize = Win32::API::More->new('dhcpcsvc',
    'DWORD DhcpCApiInitialize(LPVOID Version)');
# my $ret = $DhcpCApiInitialize->Call($Version);
# Version : DWORD* 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。