DestroyEnvironmentBlock

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

BOOL DestroyEnvironmentBlock(
    void* lpEnvironment
);

<DllImport("USERENV.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function DestroyEnvironmentBlock(
    lpEnvironment As IntPtr   ' void*
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' lpEnvironment : void*
Declare PtrSafe Function DestroyEnvironmentBlock Lib "userenv" ( _
    ByVal lpEnvironment 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

DestroyEnvironmentBlock = ctypes.windll.userenv.DestroyEnvironmentBlock
DestroyEnvironmentBlock.restype = wintypes.BOOL
DestroyEnvironmentBlock.argtypes = [
    ctypes.POINTER(None),  # lpEnvironment : void*
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USERENV.dll')
DestroyEnvironmentBlock = Fiddle::Function.new(
  lib['DestroyEnvironmentBlock'],
  [
    Fiddle::TYPE_VOIDP,  # lpEnvironment : void*
  ],
  Fiddle::TYPE_INT)

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

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

#uselib "USERENV.dll"
#func global DestroyEnvironmentBlock "DestroyEnvironmentBlock" sptr
; DestroyEnvironmentBlock lpEnvironment   ; 戻り値は stat
; lpEnvironment : 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 "USERENV.dll"
#cfunc global DestroyEnvironmentBlock "DestroyEnvironmentBlock" sptr
; res = DestroyEnvironmentBlock(lpEnvironment)
; lpEnvironment : void* -> "sptr"

; BOOL DestroyEnvironmentBlock(void* lpEnvironment)
#uselib "USERENV.dll"
#cfunc global DestroyEnvironmentBlock "DestroyEnvironmentBlock" intptr
; res = DestroyEnvironmentBlock(lpEnvironment)
; lpEnvironment : void* -> "intptr"

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

var (
	userenv = windows.NewLazySystemDLL("USERENV.dll")
	procDestroyEnvironmentBlock = userenv.NewProc("DestroyEnvironmentBlock")
)

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

function DestroyEnvironmentBlock(
  lpEnvironment: Pointer   // void*
): BOOL; stdcall;
  external 'USERENV.dll' name 'DestroyEnvironmentBlock';

result := DllCall("USERENV\DestroyEnvironmentBlock"
    , "Ptr", lpEnvironment   ; void*
    , "Int")   ; return: BOOL

●DestroyEnvironmentBlock(lpEnvironment) = DLL("USERENV.dll", "bool DestroyEnvironmentBlock(void*)")
# 呼び出し: DestroyEnvironmentBlock(lpEnvironment)
# lpEnvironment : 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 "userenv" fn DestroyEnvironmentBlock(
    lpEnvironment: ?*anyopaque // void*
) callconv(std.os.windows.WINAPI) i32;

proc DestroyEnvironmentBlock(
    lpEnvironment: pointer  # void*
): int32 {.importc: "DestroyEnvironmentBlock", stdcall, dynlib: "USERENV.dll".}

pragma(lib, "userenv");
extern(Windows)
int DestroyEnvironmentBlock(
    void* lpEnvironment   // void*
);

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

@[Link("userenv")]
lib LibUSERENV
  fun DestroyEnvironmentBlock = DestroyEnvironmentBlock(
    lpEnvironment : 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 DestroyEnvironmentBlockNative = Int32 Function(Pointer<Void>);
typedef DestroyEnvironmentBlockDart = int Function(Pointer<Void>);
final DestroyEnvironmentBlock = DynamicLibrary.open('USERENV.dll')
    .lookupFunction<DestroyEnvironmentBlockNative, DestroyEnvironmentBlockDart>('DestroyEnvironmentBlock');
// lpEnvironment : void* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DestroyEnvironmentBlock(
  lpEnvironment: Pointer   // void*
): BOOL; stdcall;
  external 'USERENV.dll' name 'DestroyEnvironmentBlock';

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

foreign import stdcall safe "DestroyEnvironmentBlock"
  c_DestroyEnvironmentBlock :: Ptr () -> IO CInt
-- lpEnvironment : 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 destroyenvironmentblock =
  foreign "DestroyEnvironmentBlock"
    ((ptr void) @-> returning int32_t)
(* lpEnvironment : 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 userenv (t "USERENV.dll"))
(cffi:use-foreign-library userenv)

(cffi:defcfun ("DestroyEnvironmentBlock" destroy-environment-block :convention :stdcall) :int32
  (lp-environment :pointer))   ; void*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

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