Dhcpv6ReleasePrefix

// dhcpcsvc6.dll
#include <windows.h>

DWORD Dhcpv6ReleasePrefix(
    LPWSTR adapterName,
    DHCPV6CAPI_CLASSID* classId,
    DHCPV6PrefixLeaseInformation* leaseInfo
);

<DllImport("dhcpcsvc6.dll", ExactSpelling:=True)>
Public Shared Function Dhcpv6ReleasePrefix(
    <MarshalAs(UnmanagedType.LPWStr)> adapterName As String,   ' LPWSTR
    classId As IntPtr,   ' DHCPV6CAPI_CLASSID* in/out
    leaseInfo As IntPtr   ' DHCPV6PrefixLeaseInformation* in/out
) As UInteger
End Function

' adapterName : LPWSTR
' classId : DHCPV6CAPI_CLASSID* in/out
' leaseInfo : DHCPV6PrefixLeaseInformation* in/out
Declare PtrSafe Function Dhcpv6ReleasePrefix Lib "dhcpcsvc6" ( _
    ByVal adapterName As LongPtr, _
    ByVal classId As LongPtr, _
    ByVal leaseInfo 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

Dhcpv6ReleasePrefix = ctypes.windll.dhcpcsvc6.Dhcpv6ReleasePrefix
Dhcpv6ReleasePrefix.restype = wintypes.DWORD
Dhcpv6ReleasePrefix.argtypes = [
    wintypes.LPCWSTR,  # adapterName : LPWSTR
    ctypes.c_void_p,  # classId : DHCPV6CAPI_CLASSID* in/out
    ctypes.c_void_p,  # leaseInfo : DHCPV6PrefixLeaseInformation* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dhcpcsvc6.dll')
Dhcpv6ReleasePrefix = Fiddle::Function.new(
  lib['Dhcpv6ReleasePrefix'],
  [
    Fiddle::TYPE_VOIDP,  # adapterName : LPWSTR
    Fiddle::TYPE_VOIDP,  # classId : DHCPV6CAPI_CLASSID* in/out
    Fiddle::TYPE_VOIDP,  # leaseInfo : DHCPV6PrefixLeaseInformation* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "dhcpcsvc6")]
extern "system" {
    fn Dhcpv6ReleasePrefix(
        adapterName: *mut u16,  // LPWSTR
        classId: *mut DHCPV6CAPI_CLASSID,  // DHCPV6CAPI_CLASSID* in/out
        leaseInfo: *mut DHCPV6PrefixLeaseInformation  // DHCPV6PrefixLeaseInformation* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("dhcpcsvc6.dll")]
public static extern uint Dhcpv6ReleasePrefix([MarshalAs(UnmanagedType.LPWStr)] string adapterName, IntPtr classId, IntPtr leaseInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dhcpcsvc6_Dhcpv6ReleasePrefix' -Namespace Win32 -PassThru
# $api::Dhcpv6ReleasePrefix(adapterName, classId, leaseInfo)

#uselib "dhcpcsvc6.dll"
#func global Dhcpv6ReleasePrefix "Dhcpv6ReleasePrefix" sptr, sptr, sptr
; Dhcpv6ReleasePrefix adapterName, varptr(classId), varptr(leaseInfo)   ; 戻り値は stat
; adapterName : LPWSTR -> "sptr"
; classId : DHCPV6CAPI_CLASSID* in/out -> "sptr"
; leaseInfo : DHCPV6PrefixLeaseInformation* 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 (
	dhcpcsvc6 = windows.NewLazySystemDLL("dhcpcsvc6.dll")
	procDhcpv6ReleasePrefix = dhcpcsvc6.NewProc("Dhcpv6ReleasePrefix")
)

// adapterName (LPWSTR), classId (DHCPV6CAPI_CLASSID* in/out), leaseInfo (DHCPV6PrefixLeaseInformation* in/out)
r1, _, err := procDhcpv6ReleasePrefix.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(adapterName))),
	uintptr(classId),
	uintptr(leaseInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function Dhcpv6ReleasePrefix(
  adapterName: PWideChar;   // LPWSTR
  classId: Pointer;   // DHCPV6CAPI_CLASSID* in/out
  leaseInfo: Pointer   // DHCPV6PrefixLeaseInformation* in/out
): DWORD; stdcall;
  external 'dhcpcsvc6.dll' name 'Dhcpv6ReleasePrefix';

result := DllCall("dhcpcsvc6\Dhcpv6ReleasePrefix"
    , "WStr", adapterName   ; LPWSTR
    , "Ptr", classId   ; DHCPV6CAPI_CLASSID* in/out
    , "Ptr", leaseInfo   ; DHCPV6PrefixLeaseInformation* in/out
    , "UInt")   ; return: DWORD

●Dhcpv6ReleasePrefix(adapterName, classId, leaseInfo) = DLL("dhcpcsvc6.dll", "dword Dhcpv6ReleasePrefix(char*, void*, void*)")
# 呼び出し: Dhcpv6ReleasePrefix(adapterName, classId, leaseInfo)
# adapterName : LPWSTR -> "char*"
# classId : DHCPV6CAPI_CLASSID* in/out -> "void*"
# leaseInfo : DHCPV6PrefixLeaseInformation* 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 "dhcpcsvc6" fn Dhcpv6ReleasePrefix(
    adapterName: [*c]const u16, // LPWSTR
    classId: [*c]DHCPV6CAPI_CLASSID, // DHCPV6CAPI_CLASSID* in/out
    leaseInfo: [*c]DHCPV6PrefixLeaseInformation // DHCPV6PrefixLeaseInformation* in/out
) callconv(std.os.windows.WINAPI) u32;

proc Dhcpv6ReleasePrefix(
    adapterName: WideCString,  # LPWSTR
    classId: ptr DHCPV6CAPI_CLASSID,  # DHCPV6CAPI_CLASSID* in/out
    leaseInfo: ptr DHCPV6PrefixLeaseInformation  # DHCPV6PrefixLeaseInformation* in/out
): uint32 {.importc: "Dhcpv6ReleasePrefix", stdcall, dynlib: "dhcpcsvc6.dll".}

pragma(lib, "dhcpcsvc6");
extern(Windows)
uint Dhcpv6ReleasePrefix(
    const(wchar)* adapterName,   // LPWSTR
    DHCPV6CAPI_CLASSID* classId,   // DHCPV6CAPI_CLASSID* in/out
    DHCPV6PrefixLeaseInformation* leaseInfo   // DHCPV6PrefixLeaseInformation* in/out
);

ccall((:Dhcpv6ReleasePrefix, "dhcpcsvc6.dll"), stdcall, UInt32,
      (Cwstring, Ptr{DHCPV6CAPI_CLASSID}, Ptr{DHCPV6PrefixLeaseInformation}),
      adapterName, classId, leaseInfo)
# adapterName : LPWSTR -> Cwstring
# classId : DHCPV6CAPI_CLASSID* in/out -> Ptr{DHCPV6CAPI_CLASSID}
# leaseInfo : DHCPV6PrefixLeaseInformation* in/out -> Ptr{DHCPV6PrefixLeaseInformation}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t Dhcpv6ReleasePrefix(
    const uint16_t* adapterName,
    void* classId,
    void* leaseInfo);
]]
local dhcpcsvc6 = ffi.load("dhcpcsvc6")
-- dhcpcsvc6.Dhcpv6ReleasePrefix(adapterName, classId, leaseInfo)
-- adapterName : LPWSTR
-- classId : DHCPV6CAPI_CLASSID* in/out
-- leaseInfo : DHCPV6PrefixLeaseInformation* 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('dhcpcsvc6.dll');
const Dhcpv6ReleasePrefix = lib.func('__stdcall', 'Dhcpv6ReleasePrefix', 'uint32_t', ['str16', 'void *', 'void *']);
// Dhcpv6ReleasePrefix(adapterName, classId, leaseInfo)
// adapterName : LPWSTR -> 'str16'
// classId : DHCPV6CAPI_CLASSID* in/out -> 'void *'
// leaseInfo : DHCPV6PrefixLeaseInformation* 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("dhcpcsvc6.dll", {
  Dhcpv6ReleasePrefix: { parameters: ["buffer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.Dhcpv6ReleasePrefix(adapterName, classId, leaseInfo)
// adapterName : LPWSTR -> "buffer"
// classId : DHCPV6CAPI_CLASSID* in/out -> "pointer"
// leaseInfo : DHCPV6PrefixLeaseInformation* 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 Dhcpv6ReleasePrefix(
    const uint16_t* adapterName,
    void* classId,
    void* leaseInfo);
C, "dhcpcsvc6.dll");
// $ffi->Dhcpv6ReleasePrefix(adapterName, classId, leaseInfo);
// adapterName : LPWSTR
// classId : DHCPV6CAPI_CLASSID* in/out
// leaseInfo : DHCPV6PrefixLeaseInformation* 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 Dhcpcsvc6 extends StdCallLibrary {
    Dhcpcsvc6 INSTANCE = Native.load("dhcpcsvc6", Dhcpcsvc6.class);
    int Dhcpv6ReleasePrefix(
        WString adapterName,   // LPWSTR
        Pointer classId,   // DHCPV6CAPI_CLASSID* in/out
        Pointer leaseInfo   // DHCPV6PrefixLeaseInformation* in/out
    );
}

@[Link("dhcpcsvc6")]
lib Libdhcpcsvc6
  fun Dhcpv6ReleasePrefix = Dhcpv6ReleasePrefix(
    adapterName : UInt16*,   # LPWSTR
    classId : DHCPV6CAPI_CLASSID*,   # DHCPV6CAPI_CLASSID* in/out
    leaseInfo : DHCPV6PrefixLeaseInformation*   # DHCPV6PrefixLeaseInformation* 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 Dhcpv6ReleasePrefixNative = Uint32 Function(Pointer<Utf16>, Pointer<Void>, Pointer<Void>);
typedef Dhcpv6ReleasePrefixDart = int Function(Pointer<Utf16>, Pointer<Void>, Pointer<Void>);
final Dhcpv6ReleasePrefix = DynamicLibrary.open('dhcpcsvc6.dll')
    .lookupFunction<Dhcpv6ReleasePrefixNative, Dhcpv6ReleasePrefixDart>('Dhcpv6ReleasePrefix');
// adapterName : LPWSTR -> Pointer<Utf16>
// classId : DHCPV6CAPI_CLASSID* in/out -> Pointer<Void>
// leaseInfo : DHCPV6PrefixLeaseInformation* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function Dhcpv6ReleasePrefix(
  adapterName: PWideChar;   // LPWSTR
  classId: Pointer;   // DHCPV6CAPI_CLASSID* in/out
  leaseInfo: Pointer   // DHCPV6PrefixLeaseInformation* in/out
): DWORD; stdcall;
  external 'dhcpcsvc6.dll' name 'Dhcpv6ReleasePrefix';

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

foreign import stdcall safe "Dhcpv6ReleasePrefix"
  c_Dhcpv6ReleasePrefix :: CWString -> Ptr () -> Ptr () -> IO Word32
-- adapterName : LPWSTR -> CWString
-- classId : DHCPV6CAPI_CLASSID* in/out -> Ptr ()
-- leaseInfo : DHCPV6PrefixLeaseInformation* 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 dhcpv6releaseprefix =
  foreign "Dhcpv6ReleasePrefix"
    ((ptr uint16_t) @-> (ptr void) @-> (ptr void) @-> returning uint32_t)
(* adapterName : LPWSTR -> (ptr uint16_t) *)
(* classId : DHCPV6CAPI_CLASSID* in/out -> (ptr void) *)
(* leaseInfo : DHCPV6PrefixLeaseInformation* 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 dhcpcsvc6 (t "dhcpcsvc6.dll"))
(cffi:use-foreign-library dhcpcsvc6)

(cffi:defcfun ("Dhcpv6ReleasePrefix" dhcpv6-release-prefix :convention :stdcall) :uint32
  (adapter-name (:string :encoding :utf-16le))   ; LPWSTR
  (class-id :pointer)   ; DHCPV6CAPI_CLASSID* in/out
  (lease-info :pointer))   ; DHCPV6PrefixLeaseInformation* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $Dhcpv6ReleasePrefix = Win32::API::More->new('dhcpcsvc6',
    'DWORD Dhcpv6ReleasePrefix(LPCWSTR adapterName, LPVOID classId, LPVOID leaseInfo)');
# my $ret = $Dhcpv6ReleasePrefix->Call($adapterName, $classId, $leaseInfo);
# adapterName : LPWSTR -> LPCWSTR
# classId : DHCPV6CAPI_CLASSID* in/out -> LPVOID
# leaseInfo : DHCPV6PrefixLeaseInformation* 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。