UnregisterWaitEx

// KERNEL32.dll
#include <windows.h>

BOOL UnregisterWaitEx(
    HANDLE WaitHandle,
    HANDLE CompletionEvent   // optional
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function UnregisterWaitEx(
    WaitHandle As IntPtr,   ' HANDLE
    CompletionEvent As IntPtr   ' HANDLE optional
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' WaitHandle : HANDLE
' CompletionEvent : HANDLE optional
Declare PtrSafe Function UnregisterWaitEx Lib "kernel32" ( _
    ByVal WaitHandle As LongPtr, _
    ByVal CompletionEvent 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

UnregisterWaitEx = ctypes.windll.kernel32.UnregisterWaitEx
UnregisterWaitEx.restype = wintypes.BOOL
UnregisterWaitEx.argtypes = [
    wintypes.HANDLE,  # WaitHandle : HANDLE
    wintypes.HANDLE,  # CompletionEvent : HANDLE optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
UnregisterWaitEx = Fiddle::Function.new(
  lib['UnregisterWaitEx'],
  [
    Fiddle::TYPE_VOIDP,  # WaitHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # CompletionEvent : HANDLE optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn UnregisterWaitEx(
        WaitHandle: *mut core::ffi::c_void,  // HANDLE
        CompletionEvent: *mut core::ffi::c_void  // HANDLE optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern bool UnregisterWaitEx(IntPtr WaitHandle, IntPtr CompletionEvent);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_UnregisterWaitEx' -Namespace Win32 -PassThru
# $api::UnregisterWaitEx(WaitHandle, CompletionEvent)

#uselib "KERNEL32.dll"
#func global UnregisterWaitEx "UnregisterWaitEx" sptr, sptr
; UnregisterWaitEx WaitHandle, CompletionEvent   ; 戻り値は stat
; WaitHandle : HANDLE -> "sptr"
; CompletionEvent : HANDLE optional -> "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 "KERNEL32.dll"
#cfunc global UnregisterWaitEx "UnregisterWaitEx" sptr, sptr
; res = UnregisterWaitEx(WaitHandle, CompletionEvent)
; WaitHandle : HANDLE -> "sptr"
; CompletionEvent : HANDLE optional -> "sptr"

; BOOL UnregisterWaitEx(HANDLE WaitHandle, HANDLE CompletionEvent)
#uselib "KERNEL32.dll"
#cfunc global UnregisterWaitEx "UnregisterWaitEx" intptr, intptr
; res = UnregisterWaitEx(WaitHandle, CompletionEvent)
; WaitHandle : HANDLE -> "intptr"
; CompletionEvent : HANDLE optional -> "intptr"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procUnregisterWaitEx = kernel32.NewProc("UnregisterWaitEx")
)

// WaitHandle (HANDLE), CompletionEvent (HANDLE optional)
r1, _, err := procUnregisterWaitEx.Call(
	uintptr(WaitHandle),
	uintptr(CompletionEvent),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function UnregisterWaitEx(
  WaitHandle: THandle;   // HANDLE
  CompletionEvent: THandle   // HANDLE optional
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'UnregisterWaitEx';

result := DllCall("KERNEL32\UnregisterWaitEx"
    , "Ptr", WaitHandle   ; HANDLE
    , "Ptr", CompletionEvent   ; HANDLE optional
    , "Int")   ; return: BOOL

●UnregisterWaitEx(WaitHandle, CompletionEvent) = DLL("KERNEL32.dll", "bool UnregisterWaitEx(void*, void*)")
# 呼び出し: UnregisterWaitEx(WaitHandle, CompletionEvent)
# WaitHandle : HANDLE -> "void*"
# CompletionEvent : HANDLE optional -> "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 "kernel32" fn UnregisterWaitEx(
    WaitHandle: ?*anyopaque, // HANDLE
    CompletionEvent: ?*anyopaque // HANDLE optional
) callconv(std.os.windows.WINAPI) i32;

proc UnregisterWaitEx(
    WaitHandle: pointer,  # HANDLE
    CompletionEvent: pointer  # HANDLE optional
): int32 {.importc: "UnregisterWaitEx", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
int UnregisterWaitEx(
    void* WaitHandle,   // HANDLE
    void* CompletionEvent   // HANDLE optional
);

ccall((:UnregisterWaitEx, "KERNEL32.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Cvoid}),
      WaitHandle, CompletionEvent)
# WaitHandle : HANDLE -> Ptr{Cvoid}
# CompletionEvent : HANDLE optional -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t UnregisterWaitEx(
    void* WaitHandle,
    void* CompletionEvent);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.UnregisterWaitEx(WaitHandle, CompletionEvent)
-- WaitHandle : HANDLE
-- CompletionEvent : HANDLE optional
-- 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('KERNEL32.dll');
const UnregisterWaitEx = lib.func('__stdcall', 'UnregisterWaitEx', 'int32_t', ['void *', 'void *']);
// UnregisterWaitEx(WaitHandle, CompletionEvent)
// WaitHandle : HANDLE -> 'void *'
// CompletionEvent : HANDLE optional -> '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("KERNEL32.dll", {
  UnregisterWaitEx: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.UnregisterWaitEx(WaitHandle, CompletionEvent)
// WaitHandle : HANDLE -> "pointer"
// CompletionEvent : HANDLE optional -> "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
int32_t UnregisterWaitEx(
    void* WaitHandle,
    void* CompletionEvent);
C, "KERNEL32.dll");
// $ffi->UnregisterWaitEx(WaitHandle, CompletionEvent);
// WaitHandle : HANDLE
// CompletionEvent : HANDLE optional
// 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 Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class);
    boolean UnregisterWaitEx(
        Pointer WaitHandle,   // HANDLE
        Pointer CompletionEvent   // HANDLE optional
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun UnregisterWaitEx = UnregisterWaitEx(
    WaitHandle : Void*,   # HANDLE
    CompletionEvent : Void*   # HANDLE optional
  ) : Int32
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 UnregisterWaitExNative = Int32 Function(Pointer<Void>, Pointer<Void>);
typedef UnregisterWaitExDart = int Function(Pointer<Void>, Pointer<Void>);
final UnregisterWaitEx = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<UnregisterWaitExNative, UnregisterWaitExDart>('UnregisterWaitEx');
// WaitHandle : HANDLE -> Pointer<Void>
// CompletionEvent : HANDLE optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function UnregisterWaitEx(
  WaitHandle: THandle;   // HANDLE
  CompletionEvent: THandle   // HANDLE optional
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'UnregisterWaitEx';

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

foreign import stdcall safe "UnregisterWaitEx"
  c_UnregisterWaitEx :: Ptr () -> Ptr () -> IO CInt
-- WaitHandle : HANDLE -> Ptr ()
-- CompletionEvent : HANDLE optional -> 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 unregisterwaitex =
  foreign "UnregisterWaitEx"
    ((ptr void) @-> (ptr void) @-> returning int32_t)
(* WaitHandle : HANDLE -> (ptr void) *)
(* CompletionEvent : HANDLE optional -> (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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("UnregisterWaitEx" unregister-wait-ex :convention :stdcall) :int32
  (wait-handle :pointer)   ; HANDLE
  (completion-event :pointer))   ; HANDLE optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $UnregisterWaitEx = Win32::API::More->new('KERNEL32',
    'BOOL UnregisterWaitEx(HANDLE WaitHandle, HANDLE CompletionEvent)');
# my $ret = $UnregisterWaitEx->Call($WaitHandle, $CompletionEvent);
# WaitHandle : HANDLE -> HANDLE
# CompletionEvent : HANDLE optional -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。