OpenFileMappingFromApp

// api-ms-win-core-memory-l1-1-3.dll
#include <windows.h>

HANDLE OpenFileMappingFromApp(
    DWORD DesiredAccess,
    BOOL InheritHandle,
    LPCWSTR Name
);

<DllImport("api-ms-win-core-memory-l1-1-3.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function OpenFileMappingFromApp(
    DesiredAccess As UInteger,   ' DWORD
    InheritHandle As Boolean,   ' BOOL
    <MarshalAs(UnmanagedType.LPWStr)> Name As String   ' LPCWSTR
) As IntPtr
End Function

' DesiredAccess : DWORD
' InheritHandle : BOOL
' Name : LPCWSTR
Declare PtrSafe Function OpenFileMappingFromApp Lib "api-ms-win-core-memory-l1-1-3" ( _
    ByVal DesiredAccess As Long, _
    ByVal InheritHandle As Long, _
    ByVal Name As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

OpenFileMappingFromApp = ctypes.windll.LoadLibrary("api-ms-win-core-memory-l1-1-3.dll").OpenFileMappingFromApp
OpenFileMappingFromApp.restype = ctypes.c_void_p
OpenFileMappingFromApp.argtypes = [
    wintypes.DWORD,  # DesiredAccess : DWORD
    wintypes.BOOL,  # InheritHandle : BOOL
    wintypes.LPCWSTR,  # Name : LPCWSTR
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-memory-l1-1-3.dll')
OpenFileMappingFromApp = Fiddle::Function.new(
  lib['OpenFileMappingFromApp'],
  [
    -Fiddle::TYPE_INT,  # DesiredAccess : DWORD
    Fiddle::TYPE_INT,  # InheritHandle : BOOL
    Fiddle::TYPE_VOIDP,  # Name : LPCWSTR
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "api-ms-win-core-memory-l1-1-3")]
extern "system" {
    fn OpenFileMappingFromApp(
        DesiredAccess: u32,  // DWORD
        InheritHandle: i32,  // BOOL
        Name: *const u16  // LPCWSTR
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("api-ms-win-core-memory-l1-1-3.dll", SetLastError = true)]
public static extern IntPtr OpenFileMappingFromApp(uint DesiredAccess, bool InheritHandle, [MarshalAs(UnmanagedType.LPWStr)] string Name);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-memory-l1-1-3_OpenFileMappingFromApp' -Namespace Win32 -PassThru
# $api::OpenFileMappingFromApp(DesiredAccess, InheritHandle, Name)

#uselib "api-ms-win-core-memory-l1-1-3.dll"
#func global OpenFileMappingFromApp "OpenFileMappingFromApp" sptr, sptr, sptr
; OpenFileMappingFromApp DesiredAccess, InheritHandle, Name   ; 戻り値は stat
; DesiredAccess : DWORD -> "sptr"
; InheritHandle : BOOL -> "sptr"
; Name : LPCWSTR -> "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 "api-ms-win-core-memory-l1-1-3.dll"
#cfunc global OpenFileMappingFromApp "OpenFileMappingFromApp" int, int, wstr
; res = OpenFileMappingFromApp(DesiredAccess, InheritHandle, Name)
; DesiredAccess : DWORD -> "int"
; InheritHandle : BOOL -> "int"
; Name : LPCWSTR -> "wstr"

; HANDLE OpenFileMappingFromApp(DWORD DesiredAccess, BOOL InheritHandle, LPCWSTR Name)
#uselib "api-ms-win-core-memory-l1-1-3.dll"
#cfunc global OpenFileMappingFromApp "OpenFileMappingFromApp" int, int, wstr
; res = OpenFileMappingFromApp(DesiredAccess, InheritHandle, Name)
; DesiredAccess : DWORD -> "int"
; InheritHandle : BOOL -> "int"
; Name : LPCWSTR -> "wstr"

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

var (
	api_ms_win_core_memory_l1_1_3 = windows.NewLazySystemDLL("api-ms-win-core-memory-l1-1-3.dll")
	procOpenFileMappingFromApp = api_ms_win_core_memory_l1_1_3.NewProc("OpenFileMappingFromApp")
)

// DesiredAccess (DWORD), InheritHandle (BOOL), Name (LPCWSTR)
r1, _, err := procOpenFileMappingFromApp.Call(
	uintptr(DesiredAccess),
	uintptr(InheritHandle),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(Name))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HANDLE

function OpenFileMappingFromApp(
  DesiredAccess: DWORD;   // DWORD
  InheritHandle: BOOL;   // BOOL
  Name: PWideChar   // LPCWSTR
): THandle; stdcall;
  external 'api-ms-win-core-memory-l1-1-3.dll' name 'OpenFileMappingFromApp';

result := DllCall("api-ms-win-core-memory-l1-1-3\OpenFileMappingFromApp"
    , "UInt", DesiredAccess   ; DWORD
    , "Int", InheritHandle   ; BOOL
    , "WStr", Name   ; LPCWSTR
    , "Ptr")   ; return: HANDLE

●OpenFileMappingFromApp(DesiredAccess, InheritHandle, Name) = DLL("api-ms-win-core-memory-l1-1-3.dll", "void* OpenFileMappingFromApp(dword, bool, char*)")
# 呼び出し: OpenFileMappingFromApp(DesiredAccess, InheritHandle, Name)
# DesiredAccess : DWORD -> "dword"
# InheritHandle : BOOL -> "bool"
# Name : LPCWSTR -> "char*"
# 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 "api-ms-win-core-memory-l1-1-3" fn OpenFileMappingFromApp(
    DesiredAccess: u32, // DWORD
    InheritHandle: i32, // BOOL
    Name: [*c]const u16 // LPCWSTR
) callconv(std.os.windows.WINAPI) ?*anyopaque;

proc OpenFileMappingFromApp(
    DesiredAccess: uint32,  # DWORD
    InheritHandle: int32,  # BOOL
    Name: WideCString  # LPCWSTR
): pointer {.importc: "OpenFileMappingFromApp", stdcall, dynlib: "api-ms-win-core-memory-l1-1-3.dll".}

pragma(lib, "api-ms-win-core-memory-l1-1-3");
extern(Windows)
void* OpenFileMappingFromApp(
    uint DesiredAccess,   // DWORD
    int InheritHandle,   // BOOL
    const(wchar)* Name   // LPCWSTR
);

ccall((:OpenFileMappingFromApp, "api-ms-win-core-memory-l1-1-3.dll"), stdcall, Ptr{Cvoid},
      (UInt32, Int32, Cwstring),
      DesiredAccess, InheritHandle, Name)
# DesiredAccess : DWORD -> UInt32
# InheritHandle : BOOL -> Int32
# Name : LPCWSTR -> Cwstring
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void* OpenFileMappingFromApp(
    uint32_t DesiredAccess,
    int32_t InheritHandle,
    const uint16_t* Name);
]]
local api-ms-win-core-memory-l1-1-3 = ffi.load("api-ms-win-core-memory-l1-1-3")
-- api-ms-win-core-memory-l1-1-3.OpenFileMappingFromApp(DesiredAccess, InheritHandle, Name)
-- DesiredAccess : DWORD
-- InheritHandle : BOOL
-- Name : LPCWSTR
-- 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('api-ms-win-core-memory-l1-1-3.dll');
const OpenFileMappingFromApp = lib.func('__stdcall', 'OpenFileMappingFromApp', 'void *', ['uint32_t', 'int32_t', 'str16']);
// OpenFileMappingFromApp(DesiredAccess, InheritHandle, Name)
// DesiredAccess : DWORD -> 'uint32_t'
// InheritHandle : BOOL -> 'int32_t'
// Name : LPCWSTR -> 'str16'
// 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("api-ms-win-core-memory-l1-1-3.dll", {
  OpenFileMappingFromApp: { parameters: ["u32", "i32", "buffer"], result: "pointer" },
});
// lib.symbols.OpenFileMappingFromApp(DesiredAccess, InheritHandle, Name)
// DesiredAccess : DWORD -> "u32"
// InheritHandle : BOOL -> "i32"
// Name : LPCWSTR -> "buffer"
// 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
void* OpenFileMappingFromApp(
    uint32_t DesiredAccess,
    int32_t InheritHandle,
    const uint16_t* Name);
C, "api-ms-win-core-memory-l1-1-3.dll");
// $ffi->OpenFileMappingFromApp(DesiredAccess, InheritHandle, Name);
// DesiredAccess : DWORD
// InheritHandle : BOOL
// Name : LPCWSTR
// 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 Api-ms-win-core-memory-l1-1-3 extends StdCallLibrary {
    Api-ms-win-core-memory-l1-1-3 INSTANCE = Native.load("api-ms-win-core-memory-l1-1-3", Api-ms-win-core-memory-l1-1-3.class);
    Pointer OpenFileMappingFromApp(
        int DesiredAccess,   // DWORD
        boolean InheritHandle,   // BOOL
        WString Name   // LPCWSTR
    );
}

@[Link("api-ms-win-core-memory-l1-1-3")]
lib Libapi-ms-win-core-memory-l1-1-3
  fun OpenFileMappingFromApp = OpenFileMappingFromApp(
    DesiredAccess : UInt32,   # DWORD
    InheritHandle : Int32,   # BOOL
    Name : UInt16*   # LPCWSTR
  ) : Void*
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 OpenFileMappingFromAppNative = Pointer<Void> Function(Uint32, Int32, Pointer<Utf16>);
typedef OpenFileMappingFromAppDart = Pointer<Void> Function(int, int, Pointer<Utf16>);
final OpenFileMappingFromApp = DynamicLibrary.open('api-ms-win-core-memory-l1-1-3.dll')
    .lookupFunction<OpenFileMappingFromAppNative, OpenFileMappingFromAppDart>('OpenFileMappingFromApp');
// DesiredAccess : DWORD -> Uint32
// InheritHandle : BOOL -> Int32
// Name : LPCWSTR -> Pointer<Utf16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function OpenFileMappingFromApp(
  DesiredAccess: DWORD;   // DWORD
  InheritHandle: BOOL;   // BOOL
  Name: PWideChar   // LPCWSTR
): THandle; stdcall;
  external 'api-ms-win-core-memory-l1-1-3.dll' name 'OpenFileMappingFromApp';

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

foreign import stdcall safe "OpenFileMappingFromApp"
  c_OpenFileMappingFromApp :: Word32 -> CInt -> CWString -> IO (Ptr ())
-- DesiredAccess : DWORD -> Word32
-- InheritHandle : BOOL -> CInt
-- Name : LPCWSTR -> CWString
-- 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 openfilemappingfromapp =
  foreign "OpenFileMappingFromApp"
    (uint32_t @-> int32_t @-> (ptr uint16_t) @-> returning (ptr void))
(* DesiredAccess : DWORD -> uint32_t *)
(* InheritHandle : BOOL -> int32_t *)
(* Name : LPCWSTR -> (ptr uint16_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 api-ms-win-core-memory-l1-1-3 (t "api-ms-win-core-memory-l1-1-3.dll"))
(cffi:use-foreign-library api-ms-win-core-memory-l1-1-3)

(cffi:defcfun ("OpenFileMappingFromApp" open-file-mapping-from-app :convention :stdcall) :pointer
  (desired-access :uint32)   ; DWORD
  (inherit-handle :int32)   ; BOOL
  (name (:string :encoding :utf-16le)))   ; LPCWSTR
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $OpenFileMappingFromApp = Win32::API::More->new('api-ms-win-core-memory-l1-1-3',
    'HANDLE OpenFileMappingFromApp(DWORD DesiredAccess, BOOL InheritHandle, LPCWSTR Name)');
# my $ret = $OpenFileMappingFromApp->Call($DesiredAccess, $InheritHandle, $Name);
# DesiredAccess : DWORD -> DWORD
# InheritHandle : BOOL -> BOOL
# Name : LPCWSTR -> LPCWSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。