UnmapViewOfFileEx

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

BOOL UnmapViewOfFileEx(
    MEMORY_MAPPED_VIEW_ADDRESS BaseAddress,
    UNMAP_VIEW_OF_FILE_FLAGS UnmapFlags
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function UnmapViewOfFileEx(
    BaseAddress As MEMORY_MAPPED_VIEW_ADDRESS,   ' MEMORY_MAPPED_VIEW_ADDRESS
    UnmapFlags As UInteger   ' UNMAP_VIEW_OF_FILE_FLAGS
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' BaseAddress : MEMORY_MAPPED_VIEW_ADDRESS
' UnmapFlags : UNMAP_VIEW_OF_FILE_FLAGS
Declare PtrSafe Function UnmapViewOfFileEx Lib "kernel32" ( _
    ByVal BaseAddress As LongPtr, _
    ByVal UnmapFlags As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

UnmapViewOfFileEx = ctypes.windll.kernel32.UnmapViewOfFileEx
UnmapViewOfFileEx.restype = wintypes.BOOL
UnmapViewOfFileEx.argtypes = [
    MEMORY_MAPPED_VIEW_ADDRESS,  # BaseAddress : MEMORY_MAPPED_VIEW_ADDRESS
    wintypes.DWORD,  # UnmapFlags : UNMAP_VIEW_OF_FILE_FLAGS
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
UnmapViewOfFileEx = Fiddle::Function.new(
  lib['UnmapViewOfFileEx'],
  [
    Fiddle::TYPE_VOIDP,  # BaseAddress : MEMORY_MAPPED_VIEW_ADDRESS
    -Fiddle::TYPE_INT,  # UnmapFlags : UNMAP_VIEW_OF_FILE_FLAGS
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn UnmapViewOfFileEx(
        BaseAddress: MEMORY_MAPPED_VIEW_ADDRESS,  // MEMORY_MAPPED_VIEW_ADDRESS
        UnmapFlags: u32  // UNMAP_VIEW_OF_FILE_FLAGS
    ) -> 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 UnmapViewOfFileEx(MEMORY_MAPPED_VIEW_ADDRESS BaseAddress, uint UnmapFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_UnmapViewOfFileEx' -Namespace Win32 -PassThru
# $api::UnmapViewOfFileEx(BaseAddress, UnmapFlags)

#uselib "KERNEL32.dll"
#func global UnmapViewOfFileEx "UnmapViewOfFileEx" sptr, sptr
; UnmapViewOfFileEx BaseAddress, UnmapFlags   ; 戻り値は stat
; BaseAddress : MEMORY_MAPPED_VIEW_ADDRESS -> "sptr"
; UnmapFlags : UNMAP_VIEW_OF_FILE_FLAGS -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 UnmapViewOfFileEx "UnmapViewOfFileEx" int, int
; res = UnmapViewOfFileEx(BaseAddress, UnmapFlags)
; BaseAddress : MEMORY_MAPPED_VIEW_ADDRESS -> "int"
; UnmapFlags : UNMAP_VIEW_OF_FILE_FLAGS -> "int"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。

; BOOL UnmapViewOfFileEx(MEMORY_MAPPED_VIEW_ADDRESS BaseAddress, UNMAP_VIEW_OF_FILE_FLAGS UnmapFlags)
#uselib "KERNEL32.dll"
#cfunc global UnmapViewOfFileEx "UnmapViewOfFileEx" int, int
; res = UnmapViewOfFileEx(BaseAddress, UnmapFlags)
; BaseAddress : MEMORY_MAPPED_VIEW_ADDRESS -> "int"
; UnmapFlags : UNMAP_VIEW_OF_FILE_FLAGS -> "int"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procUnmapViewOfFileEx = kernel32.NewProc("UnmapViewOfFileEx")
)

// BaseAddress (MEMORY_MAPPED_VIEW_ADDRESS), UnmapFlags (UNMAP_VIEW_OF_FILE_FLAGS)
r1, _, err := procUnmapViewOfFileEx.Call(
	uintptr(BaseAddress),
	uintptr(UnmapFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function UnmapViewOfFileEx(
  BaseAddress: MEMORY_MAPPED_VIEW_ADDRESS;   // MEMORY_MAPPED_VIEW_ADDRESS
  UnmapFlags: DWORD   // UNMAP_VIEW_OF_FILE_FLAGS
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'UnmapViewOfFileEx';

result := DllCall("KERNEL32\UnmapViewOfFileEx"
    , "Ptr", BaseAddress   ; MEMORY_MAPPED_VIEW_ADDRESS
    , "UInt", UnmapFlags   ; UNMAP_VIEW_OF_FILE_FLAGS
    , "Int")   ; return: BOOL

●UnmapViewOfFileEx(BaseAddress, UnmapFlags) = DLL("KERNEL32.dll", "bool UnmapViewOfFileEx(void*, dword)")
# 呼び出し: UnmapViewOfFileEx(BaseAddress, UnmapFlags)
# BaseAddress : MEMORY_MAPPED_VIEW_ADDRESS -> "void*"
# UnmapFlags : UNMAP_VIEW_OF_FILE_FLAGS -> "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)。

const std = @import("std");

extern "kernel32" fn UnmapViewOfFileEx(
    BaseAddress: MEMORY_MAPPED_VIEW_ADDRESS, // MEMORY_MAPPED_VIEW_ADDRESS
    UnmapFlags: u32 // UNMAP_VIEW_OF_FILE_FLAGS
) callconv(std.os.windows.WINAPI) i32;

proc UnmapViewOfFileEx(
    BaseAddress: MEMORY_MAPPED_VIEW_ADDRESS,  # MEMORY_MAPPED_VIEW_ADDRESS
    UnmapFlags: uint32  # UNMAP_VIEW_OF_FILE_FLAGS
): int32 {.importc: "UnmapViewOfFileEx", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
int UnmapViewOfFileEx(
    MEMORY_MAPPED_VIEW_ADDRESS BaseAddress,   // MEMORY_MAPPED_VIEW_ADDRESS
    uint UnmapFlags   // UNMAP_VIEW_OF_FILE_FLAGS
);

ccall((:UnmapViewOfFileEx, "KERNEL32.dll"), stdcall, Int32,
      (MEMORY_MAPPED_VIEW_ADDRESS, UInt32),
      BaseAddress, UnmapFlags)
# BaseAddress : MEMORY_MAPPED_VIEW_ADDRESS -> MEMORY_MAPPED_VIEW_ADDRESS
# UnmapFlags : UNMAP_VIEW_OF_FILE_FLAGS -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t UnmapViewOfFileEx(
    MEMORY_MAPPED_VIEW_ADDRESS BaseAddress,
    uint32_t UnmapFlags);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.UnmapViewOfFileEx(BaseAddress, UnmapFlags)
-- BaseAddress : MEMORY_MAPPED_VIEW_ADDRESS
-- UnmapFlags : UNMAP_VIEW_OF_FILE_FLAGS
-- 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 UnmapViewOfFileEx = lib.func('__stdcall', 'UnmapViewOfFileEx', 'int32_t', ['MEMORY_MAPPED_VIEW_ADDRESS', 'uint32_t']);
// UnmapViewOfFileEx(BaseAddress, UnmapFlags)
// BaseAddress : MEMORY_MAPPED_VIEW_ADDRESS -> 'MEMORY_MAPPED_VIEW_ADDRESS'
// UnmapFlags : UNMAP_VIEW_OF_FILE_FLAGS -> '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("KERNEL32.dll", {
  UnmapViewOfFileEx: { parameters: ["buffer", "u32"], result: "i32" },
});
// lib.symbols.UnmapViewOfFileEx(BaseAddress, UnmapFlags)
// BaseAddress : MEMORY_MAPPED_VIEW_ADDRESS -> "buffer"
// UnmapFlags : UNMAP_VIEW_OF_FILE_FLAGS -> "u32"
// 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 UnmapViewOfFileEx(
    MEMORY_MAPPED_VIEW_ADDRESS BaseAddress,
    uint32_t UnmapFlags);
C, "KERNEL32.dll");
// $ffi->UnmapViewOfFileEx(BaseAddress, UnmapFlags);
// BaseAddress : MEMORY_MAPPED_VIEW_ADDRESS
// UnmapFlags : UNMAP_VIEW_OF_FILE_FLAGS
// 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 UnmapViewOfFileEx(
        MEMORY_MAPPED_VIEW_ADDRESS /* extends Structure (by value) */ BaseAddress,   // MEMORY_MAPPED_VIEW_ADDRESS
        int UnmapFlags   // UNMAP_VIEW_OF_FILE_FLAGS
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun UnmapViewOfFileEx = UnmapViewOfFileEx(
    BaseAddress : MEMORY_MAPPED_VIEW_ADDRESS,   # MEMORY_MAPPED_VIEW_ADDRESS
    UnmapFlags : UInt32   # UNMAP_VIEW_OF_FILE_FLAGS
  ) : 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 UnmapViewOfFileExNative = Int32 Function(MEMORY_MAPPED_VIEW_ADDRESS, Uint32);
typedef UnmapViewOfFileExDart = int Function(int, int);
final UnmapViewOfFileEx = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<UnmapViewOfFileExNative, UnmapViewOfFileExDart>('UnmapViewOfFileEx');
// BaseAddress : MEMORY_MAPPED_VIEW_ADDRESS -> MEMORY_MAPPED_VIEW_ADDRESS
// UnmapFlags : UNMAP_VIEW_OF_FILE_FLAGS -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function UnmapViewOfFileEx(
  BaseAddress: MEMORY_MAPPED_VIEW_ADDRESS;   // MEMORY_MAPPED_VIEW_ADDRESS
  UnmapFlags: DWORD   // UNMAP_VIEW_OF_FILE_FLAGS
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'UnmapViewOfFileEx';

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

foreign import stdcall safe "UnmapViewOfFileEx"
  c_UnmapViewOfFileEx :: MEMORY_MAPPED_VIEW_ADDRESS -> Word32 -> IO CInt
-- BaseAddress : MEMORY_MAPPED_VIEW_ADDRESS -> MEMORY_MAPPED_VIEW_ADDRESS
-- UnmapFlags : UNMAP_VIEW_OF_FILE_FLAGS -> 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。
-- ※値渡し構造体は GHC FFI で直接渡せません。Ptr で渡すラッパ(C側)経由にしてください。

open Ctypes
open Foreign

let unmapviewoffileex =
  foreign "UnmapViewOfFileEx"
    (MEMORY_MAPPED_VIEW_ADDRESS @-> uint32_t @-> returning int32_t)
(* BaseAddress : MEMORY_MAPPED_VIEW_ADDRESS -> MEMORY_MAPPED_VIEW_ADDRESS *)
(* UnmapFlags : UNMAP_VIEW_OF_FILE_FLAGS -> 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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("UnmapViewOfFileEx" unmap-view-of-file-ex :convention :stdcall) :int32
  (base-address (:struct memory-mapped-view-address))   ; MEMORY_MAPPED_VIEW_ADDRESS
  (unmap-flags :uint32))   ; UNMAP_VIEW_OF_FILE_FLAGS
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $UnmapViewOfFileEx = Win32::API::More->new('KERNEL32',
    'BOOL UnmapViewOfFileEx(LPVOID BaseAddress, DWORD UnmapFlags)');
# my $ret = $UnmapViewOfFileEx->Call($BaseAddress, $UnmapFlags);
# BaseAddress : MEMORY_MAPPED_VIEW_ADDRESS -> LPVOID
# UnmapFlags : UNMAP_VIEW_OF_FILE_FLAGS -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。