WTSFreeMemoryExW

// WTSAPI32.dll  (Unicode / -W)
#include <windows.h>

BOOL WTSFreeMemoryExW(
    WTS_TYPE_CLASS WTSTypeClass,
    void* pMemory,
    DWORD NumberOfEntries
);

<DllImport("WTSAPI32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WTSFreeMemoryExW(
    WTSTypeClass As Integer,   ' WTS_TYPE_CLASS
    pMemory As IntPtr,   ' void*
    NumberOfEntries As UInteger   ' DWORD
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' WTSTypeClass : WTS_TYPE_CLASS
' pMemory : void*
' NumberOfEntries : DWORD
Declare PtrSafe Function WTSFreeMemoryExW Lib "wtsapi32" ( _
    ByVal WTSTypeClass As Long, _
    ByVal pMemory As LongPtr, _
    ByVal NumberOfEntries As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WTSFreeMemoryExW = ctypes.windll.wtsapi32.WTSFreeMemoryExW
WTSFreeMemoryExW.restype = wintypes.BOOL
WTSFreeMemoryExW.argtypes = [
    ctypes.c_int,  # WTSTypeClass : WTS_TYPE_CLASS
    ctypes.POINTER(None),  # pMemory : void*
    wintypes.DWORD,  # NumberOfEntries : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WTSAPI32.dll')
WTSFreeMemoryExW = Fiddle::Function.new(
  lib['WTSFreeMemoryExW'],
  [
    Fiddle::TYPE_INT,  # WTSTypeClass : WTS_TYPE_CLASS
    Fiddle::TYPE_VOIDP,  # pMemory : void*
    -Fiddle::TYPE_INT,  # NumberOfEntries : DWORD
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "wtsapi32")]
extern "system" {
    fn WTSFreeMemoryExW(
        WTSTypeClass: i32,  // WTS_TYPE_CLASS
        pMemory: *mut (),  // void*
        NumberOfEntries: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WTSAPI32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool WTSFreeMemoryExW(int WTSTypeClass, IntPtr pMemory, uint NumberOfEntries);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WTSAPI32_WTSFreeMemoryExW' -Namespace Win32 -PassThru
# $api::WTSFreeMemoryExW(WTSTypeClass, pMemory, NumberOfEntries)

#uselib "WTSAPI32.dll"
#func global WTSFreeMemoryExW "WTSFreeMemoryExW" wptr, wptr, wptr
; WTSFreeMemoryExW WTSTypeClass, pMemory, NumberOfEntries   ; 戻り値は stat
; WTSTypeClass : WTS_TYPE_CLASS -> "wptr"
; pMemory : void* -> "wptr"
; NumberOfEntries : DWORD -> "wptr"
; ※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 "WTSAPI32.dll"
#cfunc global WTSFreeMemoryExW "WTSFreeMemoryExW" int, sptr, int
; res = WTSFreeMemoryExW(WTSTypeClass, pMemory, NumberOfEntries)
; WTSTypeClass : WTS_TYPE_CLASS -> "int"
; pMemory : void* -> "sptr"
; NumberOfEntries : DWORD -> "int"

; BOOL WTSFreeMemoryExW(WTS_TYPE_CLASS WTSTypeClass, void* pMemory, DWORD NumberOfEntries)
#uselib "WTSAPI32.dll"
#cfunc global WTSFreeMemoryExW "WTSFreeMemoryExW" int, intptr, int
; res = WTSFreeMemoryExW(WTSTypeClass, pMemory, NumberOfEntries)
; WTSTypeClass : WTS_TYPE_CLASS -> "int"
; pMemory : void* -> "intptr"
; NumberOfEntries : DWORD -> "int"

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

var (
	wtsapi32 = windows.NewLazySystemDLL("WTSAPI32.dll")
	procWTSFreeMemoryExW = wtsapi32.NewProc("WTSFreeMemoryExW")
)

// WTSTypeClass (WTS_TYPE_CLASS), pMemory (void*), NumberOfEntries (DWORD)
r1, _, err := procWTSFreeMemoryExW.Call(
	uintptr(WTSTypeClass),
	uintptr(pMemory),
	uintptr(NumberOfEntries),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function WTSFreeMemoryExW(
  WTSTypeClass: Integer;   // WTS_TYPE_CLASS
  pMemory: Pointer;   // void*
  NumberOfEntries: DWORD   // DWORD
): BOOL; stdcall;
  external 'WTSAPI32.dll' name 'WTSFreeMemoryExW';

result := DllCall("WTSAPI32\WTSFreeMemoryExW"
    , "Int", WTSTypeClass   ; WTS_TYPE_CLASS
    , "Ptr", pMemory   ; void*
    , "UInt", NumberOfEntries   ; DWORD
    , "Int")   ; return: BOOL

●WTSFreeMemoryExW(WTSTypeClass, pMemory, NumberOfEntries) = DLL("WTSAPI32.dll", "bool WTSFreeMemoryExW(int, void*, dword)")
# 呼び出し: WTSFreeMemoryExW(WTSTypeClass, pMemory, NumberOfEntries)
# WTSTypeClass : WTS_TYPE_CLASS -> "int"
# pMemory : void* -> "void*"
# NumberOfEntries : DWORD -> "dword"
# 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "wtsapi32" fn WTSFreeMemoryExW(
    WTSTypeClass: i32, // WTS_TYPE_CLASS
    pMemory: ?*anyopaque, // void*
    NumberOfEntries: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc WTSFreeMemoryExW(
    WTSTypeClass: int32,  # WTS_TYPE_CLASS
    pMemory: pointer,  # void*
    NumberOfEntries: uint32  # DWORD
): int32 {.importc: "WTSFreeMemoryExW", stdcall, dynlib: "WTSAPI32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "wtsapi32");
extern(Windows)
int WTSFreeMemoryExW(
    int WTSTypeClass,   // WTS_TYPE_CLASS
    void* pMemory,   // void*
    uint NumberOfEntries   // DWORD
);

ccall((:WTSFreeMemoryExW, "WTSAPI32.dll"), stdcall, Int32,
      (Int32, Ptr{Cvoid}, UInt32),
      WTSTypeClass, pMemory, NumberOfEntries)
# WTSTypeClass : WTS_TYPE_CLASS -> Int32
# pMemory : void* -> Ptr{Cvoid}
# NumberOfEntries : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
int32_t WTSFreeMemoryExW(
    int32_t WTSTypeClass,
    void* pMemory,
    uint32_t NumberOfEntries);
]]
local wtsapi32 = ffi.load("wtsapi32")
-- wtsapi32.WTSFreeMemoryExW(WTSTypeClass, pMemory, NumberOfEntries)
-- WTSTypeClass : WTS_TYPE_CLASS
-- pMemory : void*
-- NumberOfEntries : DWORD
-- 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('WTSAPI32.dll');
const WTSFreeMemoryExW = lib.func('__stdcall', 'WTSFreeMemoryExW', 'int32_t', ['int32_t', 'void *', 'uint32_t']);
// WTSFreeMemoryExW(WTSTypeClass, pMemory, NumberOfEntries)
// WTSTypeClass : WTS_TYPE_CLASS -> 'int32_t'
// pMemory : void* -> 'void *'
// NumberOfEntries : DWORD -> 'uint32_t'
// 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("WTSAPI32.dll", {
  WTSFreeMemoryExW: { parameters: ["i32", "pointer", "u32"], result: "i32" },
});
// lib.symbols.WTSFreeMemoryExW(WTSTypeClass, pMemory, NumberOfEntries)
// WTSTypeClass : WTS_TYPE_CLASS -> "i32"
// pMemory : void* -> "pointer"
// NumberOfEntries : DWORD -> "u32"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)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 WTSFreeMemoryExW(
    int32_t WTSTypeClass,
    void* pMemory,
    uint32_t NumberOfEntries);
C, "WTSAPI32.dll");
// $ffi->WTSFreeMemoryExW(WTSTypeClass, pMemory, NumberOfEntries);
// WTSTypeClass : WTS_TYPE_CLASS
// pMemory : void*
// NumberOfEntries : DWORD
// 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 Wtsapi32 extends StdCallLibrary {
    Wtsapi32 INSTANCE = Native.load("wtsapi32", Wtsapi32.class, W32APIOptions.UNICODE_OPTIONS);
    boolean WTSFreeMemoryExW(
        int WTSTypeClass,   // WTS_TYPE_CLASS
        Pointer pMemory,   // void*
        int NumberOfEntries   // DWORD
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("wtsapi32")]
lib LibWTSAPI32
  fun WTSFreeMemoryExW = WTSFreeMemoryExW(
    WTSTypeClass : Int32,   # WTS_TYPE_CLASS
    pMemory : Void*,   # void*
    NumberOfEntries : UInt32   # DWORD
  ) : 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 WTSFreeMemoryExWNative = Int32 Function(Int32, Pointer<Void>, Uint32);
typedef WTSFreeMemoryExWDart = int Function(int, Pointer<Void>, int);
final WTSFreeMemoryExW = DynamicLibrary.open('WTSAPI32.dll')
    .lookupFunction<WTSFreeMemoryExWNative, WTSFreeMemoryExWDart>('WTSFreeMemoryExW');
// WTSTypeClass : WTS_TYPE_CLASS -> Int32
// pMemory : void* -> Pointer<Void>
// NumberOfEntries : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WTSFreeMemoryExW(
  WTSTypeClass: Integer;   // WTS_TYPE_CLASS
  pMemory: Pointer;   // void*
  NumberOfEntries: DWORD   // DWORD
): BOOL; stdcall;
  external 'WTSAPI32.dll' name 'WTSFreeMemoryExW';

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

foreign import stdcall safe "WTSFreeMemoryExW"
  c_WTSFreeMemoryExW :: Int32 -> Ptr () -> Word32 -> IO CInt
-- WTSTypeClass : WTS_TYPE_CLASS -> Int32
-- pMemory : void* -> Ptr ()
-- NumberOfEntries : DWORD -> Word32
-- 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 wtsfreememoryexw =
  foreign "WTSFreeMemoryExW"
    (int32_t @-> (ptr void) @-> uint32_t @-> returning int32_t)
(* WTSTypeClass : WTS_TYPE_CLASS -> int32_t *)
(* pMemory : void* -> (ptr void) *)
(* NumberOfEntries : DWORD -> uint32_t *)
(* 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 wtsapi32 (t "WTSAPI32.dll"))
(cffi:use-foreign-library wtsapi32)

(cffi:defcfun ("WTSFreeMemoryExW" wtsfree-memory-ex-w :convention :stdcall) :int32
  (wtstype-class :int32)   ; WTS_TYPE_CLASS
  (p-memory :pointer)   ; void*
  (number-of-entries :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WTSFreeMemoryExW = Win32::API::More->new('WTSAPI32',
    'BOOL WTSFreeMemoryExW(int WTSTypeClass, LPVOID pMemory, DWORD NumberOfEntries)');
# my $ret = $WTSFreeMemoryExW->Call($WTSTypeClass, $pMemory, $NumberOfEntries);
# WTSTypeClass : WTS_TYPE_CLASS -> int
# pMemory : void* -> LPVOID
# NumberOfEntries : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。