DhcpSetThreadOptions

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

DWORD DhcpSetThreadOptions(
    DWORD Flags,
    void* Reserved
);

<DllImport("DHCPSAPI.dll", ExactSpelling:=True)>
Public Shared Function DhcpSetThreadOptions(
    Flags As UInteger,   ' DWORD
    Reserved As IntPtr   ' void* in/out
) As UInteger
End Function

' Flags : DWORD
' Reserved : void* in/out
Declare PtrSafe Function DhcpSetThreadOptions Lib "dhcpsapi" ( _
    ByVal Flags As Long, _
    ByVal Reserved 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

DhcpSetThreadOptions = ctypes.windll.dhcpsapi.DhcpSetThreadOptions
DhcpSetThreadOptions.restype = wintypes.DWORD
DhcpSetThreadOptions.argtypes = [
    wintypes.DWORD,  # Flags : DWORD
    ctypes.POINTER(None),  # Reserved : void* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DHCPSAPI.dll')
DhcpSetThreadOptions = Fiddle::Function.new(
  lib['DhcpSetThreadOptions'],
  [
    -Fiddle::TYPE_INT,  # Flags : DWORD
    Fiddle::TYPE_VOIDP,  # Reserved : void* in/out
  ],
  -Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("DHCPSAPI.dll")]
public static extern uint DhcpSetThreadOptions(uint Flags, IntPtr Reserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DHCPSAPI_DhcpSetThreadOptions' -Namespace Win32 -PassThru
# $api::DhcpSetThreadOptions(Flags, Reserved)

#uselib "DHCPSAPI.dll"
#func global DhcpSetThreadOptions "DhcpSetThreadOptions" sptr, sptr
; DhcpSetThreadOptions Flags, Reserved   ; 戻り値は stat
; Flags : DWORD -> "sptr"
; Reserved : void* 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。

#uselib "DHCPSAPI.dll"
#cfunc global DhcpSetThreadOptions "DhcpSetThreadOptions" int, sptr
; res = DhcpSetThreadOptions(Flags, Reserved)
; Flags : DWORD -> "int"
; Reserved : void* in/out -> "sptr"

; DWORD DhcpSetThreadOptions(DWORD Flags, void* Reserved)
#uselib "DHCPSAPI.dll"
#cfunc global DhcpSetThreadOptions "DhcpSetThreadOptions" int, intptr
; res = DhcpSetThreadOptions(Flags, Reserved)
; Flags : DWORD -> "int"
; Reserved : void* in/out -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	dhcpsapi = windows.NewLazySystemDLL("DHCPSAPI.dll")
	procDhcpSetThreadOptions = dhcpsapi.NewProc("DhcpSetThreadOptions")
)

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

function DhcpSetThreadOptions(
  Flags: DWORD;   // DWORD
  Reserved: Pointer   // void* in/out
): DWORD; stdcall;
  external 'DHCPSAPI.dll' name 'DhcpSetThreadOptions';

result := DllCall("DHCPSAPI\DhcpSetThreadOptions"
    , "UInt", Flags   ; DWORD
    , "Ptr", Reserved   ; void* in/out
    , "UInt")   ; return: DWORD

●DhcpSetThreadOptions(Flags, Reserved) = DLL("DHCPSAPI.dll", "dword DhcpSetThreadOptions(dword, void*)")
# 呼び出し: DhcpSetThreadOptions(Flags, Reserved)
# Flags : DWORD -> "dword"
# Reserved : 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 "dhcpsapi" fn DhcpSetThreadOptions(
    Flags: u32, // DWORD
    Reserved: ?*anyopaque // void* in/out
) callconv(std.os.windows.WINAPI) u32;

proc DhcpSetThreadOptions(
    Flags: uint32,  # DWORD
    Reserved: pointer  # void* in/out
): uint32 {.importc: "DhcpSetThreadOptions", stdcall, dynlib: "DHCPSAPI.dll".}

pragma(lib, "dhcpsapi");
extern(Windows)
uint DhcpSetThreadOptions(
    uint Flags,   // DWORD
    void* Reserved   // void* in/out
);

ccall((:DhcpSetThreadOptions, "DHCPSAPI.dll"), stdcall, UInt32,
      (UInt32, Ptr{Cvoid}),
      Flags, Reserved)
# Flags : DWORD -> UInt32
# Reserved : 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 DhcpSetThreadOptions(
    uint32_t Flags,
    void* Reserved);
]]
local dhcpsapi = ffi.load("dhcpsapi")
-- dhcpsapi.DhcpSetThreadOptions(Flags, Reserved)
-- Flags : DWORD
-- Reserved : 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('DHCPSAPI.dll');
const DhcpSetThreadOptions = lib.func('__stdcall', 'DhcpSetThreadOptions', 'uint32_t', ['uint32_t', 'void *']);
// DhcpSetThreadOptions(Flags, Reserved)
// Flags : DWORD -> 'uint32_t'
// Reserved : 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("DHCPSAPI.dll", {
  DhcpSetThreadOptions: { parameters: ["u32", "pointer"], result: "u32" },
});
// lib.symbols.DhcpSetThreadOptions(Flags, Reserved)
// Flags : DWORD -> "u32"
// Reserved : 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 DhcpSetThreadOptions(
    uint32_t Flags,
    void* Reserved);
C, "DHCPSAPI.dll");
// $ffi->DhcpSetThreadOptions(Flags, Reserved);
// Flags : DWORD
// Reserved : 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 Dhcpsapi extends StdCallLibrary {
    Dhcpsapi INSTANCE = Native.load("dhcpsapi", Dhcpsapi.class);
    int DhcpSetThreadOptions(
        int Flags,   // DWORD
        Pointer Reserved   // void* in/out
    );
}

@[Link("dhcpsapi")]
lib LibDHCPSAPI
  fun DhcpSetThreadOptions = DhcpSetThreadOptions(
    Flags : UInt32,   # DWORD
    Reserved : 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 DhcpSetThreadOptionsNative = Uint32 Function(Uint32, Pointer<Void>);
typedef DhcpSetThreadOptionsDart = int Function(int, Pointer<Void>);
final DhcpSetThreadOptions = DynamicLibrary.open('DHCPSAPI.dll')
    .lookupFunction<DhcpSetThreadOptionsNative, DhcpSetThreadOptionsDart>('DhcpSetThreadOptions');
// Flags : DWORD -> Uint32
// Reserved : void* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DhcpSetThreadOptions(
  Flags: DWORD;   // DWORD
  Reserved: Pointer   // void* in/out
): DWORD; stdcall;
  external 'DHCPSAPI.dll' name 'DhcpSetThreadOptions';

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

foreign import stdcall safe "DhcpSetThreadOptions"
  c_DhcpSetThreadOptions :: Word32 -> Ptr () -> IO Word32
-- Flags : DWORD -> Word32
-- Reserved : 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。

open Ctypes
open Foreign

let dhcpsetthreadoptions =
  foreign "DhcpSetThreadOptions"
    (uint32_t @-> (ptr void) @-> returning uint32_t)
(* Flags : DWORD -> uint32_t *)
(* Reserved : 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 dhcpsapi (t "DHCPSAPI.dll"))
(cffi:use-foreign-library dhcpsapi)

(cffi:defcfun ("DhcpSetThreadOptions" dhcp-set-thread-options :convention :stdcall) :uint32
  (flags :uint32)   ; DWORD
  (reserved :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 $DhcpSetThreadOptions = Win32::API::More->new('DHCPSAPI',
    'DWORD DhcpSetThreadOptions(DWORD Flags, LPVOID Reserved)');
# my $ret = $DhcpSetThreadOptions->Call($Flags, $Reserved);
# Flags : DWORD -> DWORD
# Reserved : 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。