EnableRouter

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

DWORD EnableRouter(
    HANDLE* pHandle,
    OVERLAPPED* pOverlapped
);

<DllImport("IPHLPAPI.dll", ExactSpelling:=True)>
Public Shared Function EnableRouter(
    pHandle As IntPtr,   ' HANDLE* out
    pOverlapped As IntPtr   ' OVERLAPPED* out
) As UInteger
End Function

' pHandle : HANDLE* out
' pOverlapped : OVERLAPPED* out
Declare PtrSafe Function EnableRouter Lib "iphlpapi" ( _
    ByVal pHandle As LongPtr, _
    ByVal pOverlapped 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

EnableRouter = ctypes.windll.iphlpapi.EnableRouter
EnableRouter.restype = wintypes.DWORD
EnableRouter.argtypes = [
    ctypes.c_void_p,  # pHandle : HANDLE* out
    ctypes.c_void_p,  # pOverlapped : OVERLAPPED* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('IPHLPAPI.dll')
EnableRouter = Fiddle::Function.new(
  lib['EnableRouter'],
  [
    Fiddle::TYPE_VOIDP,  # pHandle : HANDLE* out
    Fiddle::TYPE_VOIDP,  # pOverlapped : OVERLAPPED* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "iphlpapi")]
extern "system" {
    fn EnableRouter(
        pHandle: *mut *mut core::ffi::c_void,  // HANDLE* out
        pOverlapped: *mut OVERLAPPED  // OVERLAPPED* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("IPHLPAPI.dll")]
public static extern uint EnableRouter(IntPtr pHandle, IntPtr pOverlapped);
"@
$api = Add-Type -MemberDefinition $sig -Name 'IPHLPAPI_EnableRouter' -Namespace Win32 -PassThru
# $api::EnableRouter(pHandle, pOverlapped)

#uselib "IPHLPAPI.dll"
#func global EnableRouter "EnableRouter" sptr, sptr
; EnableRouter pHandle, varptr(pOverlapped)   ; 戻り値は stat
; pHandle : HANDLE* out -> "sptr"
; pOverlapped : OVERLAPPED* 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 (
	iphlpapi = windows.NewLazySystemDLL("IPHLPAPI.dll")
	procEnableRouter = iphlpapi.NewProc("EnableRouter")
)

// pHandle (HANDLE* out), pOverlapped (OVERLAPPED* out)
r1, _, err := procEnableRouter.Call(
	uintptr(pHandle),
	uintptr(pOverlapped),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function EnableRouter(
  pHandle: Pointer;   // HANDLE* out
  pOverlapped: Pointer   // OVERLAPPED* out
): DWORD; stdcall;
  external 'IPHLPAPI.dll' name 'EnableRouter';

result := DllCall("IPHLPAPI\EnableRouter"
    , "Ptr", pHandle   ; HANDLE* out
    , "Ptr", pOverlapped   ; OVERLAPPED* out
    , "UInt")   ; return: DWORD

●EnableRouter(pHandle, pOverlapped) = DLL("IPHLPAPI.dll", "dword EnableRouter(void*, void*)")
# 呼び出し: EnableRouter(pHandle, pOverlapped)
# pHandle : HANDLE* out -> "void*"
# pOverlapped : OVERLAPPED* 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 "iphlpapi" fn EnableRouter(
    pHandle: ?*anyopaque, // HANDLE* out
    pOverlapped: [*c]OVERLAPPED // OVERLAPPED* out
) callconv(std.os.windows.WINAPI) u32;

proc EnableRouter(
    pHandle: pointer,  # HANDLE* out
    pOverlapped: ptr OVERLAPPED  # OVERLAPPED* out
): uint32 {.importc: "EnableRouter", stdcall, dynlib: "IPHLPAPI.dll".}

pragma(lib, "iphlpapi");
extern(Windows)
uint EnableRouter(
    void* pHandle,   // HANDLE* out
    OVERLAPPED* pOverlapped   // OVERLAPPED* out
);

ccall((:EnableRouter, "IPHLPAPI.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{OVERLAPPED}),
      pHandle, pOverlapped)
# pHandle : HANDLE* out -> Ptr{Cvoid}
# pOverlapped : OVERLAPPED* out -> Ptr{OVERLAPPED}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t EnableRouter(
    void* pHandle,
    void* pOverlapped);
]]
local iphlpapi = ffi.load("iphlpapi")
-- iphlpapi.EnableRouter(pHandle, pOverlapped)
-- pHandle : HANDLE* out
-- pOverlapped : OVERLAPPED* 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('IPHLPAPI.dll');
const EnableRouter = lib.func('__stdcall', 'EnableRouter', 'uint32_t', ['void *', 'void *']);
// EnableRouter(pHandle, pOverlapped)
// pHandle : HANDLE* out -> 'void *'
// pOverlapped : OVERLAPPED* 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("IPHLPAPI.dll", {
  EnableRouter: { parameters: ["pointer", "pointer"], result: "u32" },
});
// lib.symbols.EnableRouter(pHandle, pOverlapped)
// pHandle : HANDLE* out -> "pointer"
// pOverlapped : OVERLAPPED* 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 EnableRouter(
    void* pHandle,
    void* pOverlapped);
C, "IPHLPAPI.dll");
// $ffi->EnableRouter(pHandle, pOverlapped);
// pHandle : HANDLE* out
// pOverlapped : OVERLAPPED* 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 Iphlpapi extends StdCallLibrary {
    Iphlpapi INSTANCE = Native.load("iphlpapi", Iphlpapi.class);
    int EnableRouter(
        Pointer pHandle,   // HANDLE* out
        Pointer pOverlapped   // OVERLAPPED* out
    );
}

@[Link("iphlpapi")]
lib LibIPHLPAPI
  fun EnableRouter = EnableRouter(
    pHandle : Void*,   # HANDLE* out
    pOverlapped : OVERLAPPED*   # OVERLAPPED* 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 EnableRouterNative = Uint32 Function(Pointer<Void>, Pointer<Void>);
typedef EnableRouterDart = int Function(Pointer<Void>, Pointer<Void>);
final EnableRouter = DynamicLibrary.open('IPHLPAPI.dll')
    .lookupFunction<EnableRouterNative, EnableRouterDart>('EnableRouter');
// pHandle : HANDLE* out -> Pointer<Void>
// pOverlapped : OVERLAPPED* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function EnableRouter(
  pHandle: Pointer;   // HANDLE* out
  pOverlapped: Pointer   // OVERLAPPED* out
): DWORD; stdcall;
  external 'IPHLPAPI.dll' name 'EnableRouter';

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

foreign import stdcall safe "EnableRouter"
  c_EnableRouter :: Ptr () -> Ptr () -> IO Word32
-- pHandle : HANDLE* out -> Ptr ()
-- pOverlapped : OVERLAPPED* 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 enablerouter =
  foreign "EnableRouter"
    ((ptr void) @-> (ptr void) @-> returning uint32_t)
(* pHandle : HANDLE* out -> (ptr void) *)
(* pOverlapped : OVERLAPPED* 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 iphlpapi (t "IPHLPAPI.dll"))
(cffi:use-foreign-library iphlpapi)

(cffi:defcfun ("EnableRouter" enable-router :convention :stdcall) :uint32
  (p-handle :pointer)   ; HANDLE* out
  (p-overlapped :pointer))   ; OVERLAPPED* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $EnableRouter = Win32::API::More->new('IPHLPAPI',
    'DWORD EnableRouter(HANDLE pHandle, LPVOID pOverlapped)');
# my $ret = $EnableRouter->Call($pHandle, $pOverlapped);
# pHandle : HANDLE* out -> HANDLE
# pOverlapped : OVERLAPPED* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。