WinHttpUnregisterProxyChangeNotification

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

DWORD WinHttpUnregisterProxyChangeNotification(
    void* hRegistration
);

<DllImport("WINHTTP.dll", ExactSpelling:=True)>
Public Shared Function WinHttpUnregisterProxyChangeNotification(
    hRegistration As IntPtr   ' void*
) As UInteger
End Function

' hRegistration : void*
Declare PtrSafe Function WinHttpUnregisterProxyChangeNotification Lib "winhttp" ( _
    ByVal hRegistration 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

WinHttpUnregisterProxyChangeNotification = ctypes.windll.winhttp.WinHttpUnregisterProxyChangeNotification
WinHttpUnregisterProxyChangeNotification.restype = wintypes.DWORD
WinHttpUnregisterProxyChangeNotification.argtypes = [
    ctypes.POINTER(None),  # hRegistration : void*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINHTTP.dll')
WinHttpUnregisterProxyChangeNotification = Fiddle::Function.new(
  lib['WinHttpUnregisterProxyChangeNotification'],
  [
    Fiddle::TYPE_VOIDP,  # hRegistration : void*
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winhttp")]
extern "system" {
    fn WinHttpUnregisterProxyChangeNotification(
        hRegistration: *mut ()  // void*
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINHTTP.dll")]
public static extern uint WinHttpUnregisterProxyChangeNotification(IntPtr hRegistration);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINHTTP_WinHttpUnregisterProxyChangeNotification' -Namespace Win32 -PassThru
# $api::WinHttpUnregisterProxyChangeNotification(hRegistration)

#uselib "WINHTTP.dll"
#func global WinHttpUnregisterProxyChangeNotification "WinHttpUnregisterProxyChangeNotification" sptr
; WinHttpUnregisterProxyChangeNotification hRegistration   ; 戻り値は stat
; hRegistration : void* -> "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 "WINHTTP.dll"
#cfunc global WinHttpUnregisterProxyChangeNotification "WinHttpUnregisterProxyChangeNotification" sptr
; res = WinHttpUnregisterProxyChangeNotification(hRegistration)
; hRegistration : void* -> "sptr"

; DWORD WinHttpUnregisterProxyChangeNotification(void* hRegistration)
#uselib "WINHTTP.dll"
#cfunc global WinHttpUnregisterProxyChangeNotification "WinHttpUnregisterProxyChangeNotification" intptr
; res = WinHttpUnregisterProxyChangeNotification(hRegistration)
; hRegistration : void* -> "intptr"

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

var (
	winhttp = windows.NewLazySystemDLL("WINHTTP.dll")
	procWinHttpUnregisterProxyChangeNotification = winhttp.NewProc("WinHttpUnregisterProxyChangeNotification")
)

// hRegistration (void*)
r1, _, err := procWinHttpUnregisterProxyChangeNotification.Call(
	uintptr(hRegistration),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function WinHttpUnregisterProxyChangeNotification(
  hRegistration: Pointer   // void*
): DWORD; stdcall;
  external 'WINHTTP.dll' name 'WinHttpUnregisterProxyChangeNotification';

result := DllCall("WINHTTP\WinHttpUnregisterProxyChangeNotification"
    , "Ptr", hRegistration   ; void*
    , "UInt")   ; return: DWORD

●WinHttpUnregisterProxyChangeNotification(hRegistration) = DLL("WINHTTP.dll", "dword WinHttpUnregisterProxyChangeNotification(void*)")
# 呼び出し: WinHttpUnregisterProxyChangeNotification(hRegistration)
# hRegistration : void* -> "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 "winhttp" fn WinHttpUnregisterProxyChangeNotification(
    hRegistration: ?*anyopaque // void*
) callconv(std.os.windows.WINAPI) u32;

proc WinHttpUnregisterProxyChangeNotification(
    hRegistration: pointer  # void*
): uint32 {.importc: "WinHttpUnregisterProxyChangeNotification", stdcall, dynlib: "WINHTTP.dll".}

pragma(lib, "winhttp");
extern(Windows)
uint WinHttpUnregisterProxyChangeNotification(
    void* hRegistration   // void*
);

ccall((:WinHttpUnregisterProxyChangeNotification, "WINHTTP.dll"), stdcall, UInt32,
      (Ptr{Cvoid},),
      hRegistration)
# hRegistration : void* -> 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 WinHttpUnregisterProxyChangeNotification(
    void* hRegistration);
]]
local winhttp = ffi.load("winhttp")
-- winhttp.WinHttpUnregisterProxyChangeNotification(hRegistration)
-- hRegistration : void*
-- 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('WINHTTP.dll');
const WinHttpUnregisterProxyChangeNotification = lib.func('__stdcall', 'WinHttpUnregisterProxyChangeNotification', 'uint32_t', ['void *']);
// WinHttpUnregisterProxyChangeNotification(hRegistration)
// hRegistration : void* -> '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("WINHTTP.dll", {
  WinHttpUnregisterProxyChangeNotification: { parameters: ["pointer"], result: "u32" },
});
// lib.symbols.WinHttpUnregisterProxyChangeNotification(hRegistration)
// hRegistration : void* -> "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 WinHttpUnregisterProxyChangeNotification(
    void* hRegistration);
C, "WINHTTP.dll");
// $ffi->WinHttpUnregisterProxyChangeNotification(hRegistration);
// hRegistration : void*
// 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 Winhttp extends StdCallLibrary {
    Winhttp INSTANCE = Native.load("winhttp", Winhttp.class);
    int WinHttpUnregisterProxyChangeNotification(
        Pointer hRegistration   // void*
    );
}

@[Link("winhttp")]
lib LibWINHTTP
  fun WinHttpUnregisterProxyChangeNotification = WinHttpUnregisterProxyChangeNotification(
    hRegistration : Void*   # void*
  ) : 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 WinHttpUnregisterProxyChangeNotificationNative = Uint32 Function(Pointer<Void>);
typedef WinHttpUnregisterProxyChangeNotificationDart = int Function(Pointer<Void>);
final WinHttpUnregisterProxyChangeNotification = DynamicLibrary.open('WINHTTP.dll')
    .lookupFunction<WinHttpUnregisterProxyChangeNotificationNative, WinHttpUnregisterProxyChangeNotificationDart>('WinHttpUnregisterProxyChangeNotification');
// hRegistration : void* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WinHttpUnregisterProxyChangeNotification(
  hRegistration: Pointer   // void*
): DWORD; stdcall;
  external 'WINHTTP.dll' name 'WinHttpUnregisterProxyChangeNotification';

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

foreign import stdcall safe "WinHttpUnregisterProxyChangeNotification"
  c_WinHttpUnregisterProxyChangeNotification :: Ptr () -> IO Word32
-- hRegistration : void* -> 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 winhttpunregisterproxychangenotification =
  foreign "WinHttpUnregisterProxyChangeNotification"
    ((ptr void) @-> returning uint32_t)
(* hRegistration : void* -> (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 winhttp (t "WINHTTP.dll"))
(cffi:use-foreign-library winhttp)

(cffi:defcfun ("WinHttpUnregisterProxyChangeNotification" win-http-unregister-proxy-change-notification :convention :stdcall) :uint32
  (h-registration :pointer))   ; void*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WinHttpUnregisterProxyChangeNotification = Win32::API::More->new('WINHTTP',
    'DWORD WinHttpUnregisterProxyChangeNotification(LPVOID hRegistration)');
# my $ret = $WinHttpUnregisterProxyChangeNotification->Call($hRegistration);
# hRegistration : void* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。