HcnUnregisterServiceCallback

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

HRESULT HcnUnregisterServiceCallback(
    void* CallbackHandle
);

<DllImport("computenetwork.dll", ExactSpelling:=True)>
Public Shared Function HcnUnregisterServiceCallback(
    CallbackHandle As IntPtr   ' void*
) As Integer
End Function

' CallbackHandle : void*
Declare PtrSafe Function HcnUnregisterServiceCallback Lib "computenetwork" ( _
    ByVal CallbackHandle 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

HcnUnregisterServiceCallback = ctypes.windll.computenetwork.HcnUnregisterServiceCallback
HcnUnregisterServiceCallback.restype = ctypes.c_int
HcnUnregisterServiceCallback.argtypes = [
    ctypes.POINTER(None),  # CallbackHandle : void*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('computenetwork.dll')
HcnUnregisterServiceCallback = Fiddle::Function.new(
  lib['HcnUnregisterServiceCallback'],
  [
    Fiddle::TYPE_VOIDP,  # CallbackHandle : void*
  ],
  Fiddle::TYPE_INT)

#[link(name = "computenetwork")]
extern "system" {
    fn HcnUnregisterServiceCallback(
        CallbackHandle: *mut ()  // void*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("computenetwork.dll")]
public static extern int HcnUnregisterServiceCallback(IntPtr CallbackHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'computenetwork_HcnUnregisterServiceCallback' -Namespace Win32 -PassThru
# $api::HcnUnregisterServiceCallback(CallbackHandle)

#uselib "computenetwork.dll"
#func global HcnUnregisterServiceCallback "HcnUnregisterServiceCallback" sptr
; HcnUnregisterServiceCallback CallbackHandle   ; 戻り値は stat
; CallbackHandle : 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 "computenetwork.dll"
#cfunc global HcnUnregisterServiceCallback "HcnUnregisterServiceCallback" sptr
; res = HcnUnregisterServiceCallback(CallbackHandle)
; CallbackHandle : void* -> "sptr"

; HRESULT HcnUnregisterServiceCallback(void* CallbackHandle)
#uselib "computenetwork.dll"
#cfunc global HcnUnregisterServiceCallback "HcnUnregisterServiceCallback" intptr
; res = HcnUnregisterServiceCallback(CallbackHandle)
; CallbackHandle : void* -> "intptr"

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

var (
	computenetwork = windows.NewLazySystemDLL("computenetwork.dll")
	procHcnUnregisterServiceCallback = computenetwork.NewProc("HcnUnregisterServiceCallback")
)

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

function HcnUnregisterServiceCallback(
  CallbackHandle: Pointer   // void*
): Integer; stdcall;
  external 'computenetwork.dll' name 'HcnUnregisterServiceCallback';

result := DllCall("computenetwork\HcnUnregisterServiceCallback"
    , "Ptr", CallbackHandle   ; void*
    , "Int")   ; return: HRESULT

●HcnUnregisterServiceCallback(CallbackHandle) = DLL("computenetwork.dll", "int HcnUnregisterServiceCallback(void*)")
# 呼び出し: HcnUnregisterServiceCallback(CallbackHandle)
# CallbackHandle : 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 "computenetwork" fn HcnUnregisterServiceCallback(
    CallbackHandle: ?*anyopaque // void*
) callconv(std.os.windows.WINAPI) i32;

proc HcnUnregisterServiceCallback(
    CallbackHandle: pointer  # void*
): int32 {.importc: "HcnUnregisterServiceCallback", stdcall, dynlib: "computenetwork.dll".}

pragma(lib, "computenetwork");
extern(Windows)
int HcnUnregisterServiceCallback(
    void* CallbackHandle   // void*
);

ccall((:HcnUnregisterServiceCallback, "computenetwork.dll"), stdcall, Int32,
      (Ptr{Cvoid},),
      CallbackHandle)
# CallbackHandle : void* -> 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 HcnUnregisterServiceCallback(
    void* CallbackHandle);
]]
local computenetwork = ffi.load("computenetwork")
-- computenetwork.HcnUnregisterServiceCallback(CallbackHandle)
-- CallbackHandle : 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('computenetwork.dll');
const HcnUnregisterServiceCallback = lib.func('__stdcall', 'HcnUnregisterServiceCallback', 'int32_t', ['void *']);
// HcnUnregisterServiceCallback(CallbackHandle)
// CallbackHandle : 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("computenetwork.dll", {
  HcnUnregisterServiceCallback: { parameters: ["pointer"], result: "i32" },
});
// lib.symbols.HcnUnregisterServiceCallback(CallbackHandle)
// CallbackHandle : 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
int32_t HcnUnregisterServiceCallback(
    void* CallbackHandle);
C, "computenetwork.dll");
// $ffi->HcnUnregisterServiceCallback(CallbackHandle);
// CallbackHandle : 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 Computenetwork extends StdCallLibrary {
    Computenetwork INSTANCE = Native.load("computenetwork", Computenetwork.class);
    int HcnUnregisterServiceCallback(
        Pointer CallbackHandle   // void*
    );
}

@[Link("computenetwork")]
lib Libcomputenetwork
  fun HcnUnregisterServiceCallback = HcnUnregisterServiceCallback(
    CallbackHandle : Void*   # void*
  ) : 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 HcnUnregisterServiceCallbackNative = Int32 Function(Pointer<Void>);
typedef HcnUnregisterServiceCallbackDart = int Function(Pointer<Void>);
final HcnUnregisterServiceCallback = DynamicLibrary.open('computenetwork.dll')
    .lookupFunction<HcnUnregisterServiceCallbackNative, HcnUnregisterServiceCallbackDart>('HcnUnregisterServiceCallback');
// CallbackHandle : void* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function HcnUnregisterServiceCallback(
  CallbackHandle: Pointer   // void*
): Integer; stdcall;
  external 'computenetwork.dll' name 'HcnUnregisterServiceCallback';

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

foreign import stdcall safe "HcnUnregisterServiceCallback"
  c_HcnUnregisterServiceCallback :: Ptr () -> IO Int32
-- CallbackHandle : 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 hcnunregisterservicecallback =
  foreign "HcnUnregisterServiceCallback"
    ((ptr void) @-> returning int32_t)
(* CallbackHandle : 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 computenetwork (t "computenetwork.dll"))
(cffi:use-foreign-library computenetwork)

(cffi:defcfun ("HcnUnregisterServiceCallback" hcn-unregister-service-callback :convention :stdcall) :int32
  (callback-handle :pointer))   ; void*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

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