LoadSavedStateFile

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

HRESULT LoadSavedStateFile(
    LPCWSTR vmrsFile,
    void** vmSavedStateDumpHandle
);

<DllImport("VmSavedStateDumpProvider.dll", ExactSpelling:=True)>
Public Shared Function LoadSavedStateFile(
    <MarshalAs(UnmanagedType.LPWStr)> vmrsFile As String,   ' LPCWSTR
    vmSavedStateDumpHandle As IntPtr   ' void** out
) As Integer
End Function

' vmrsFile : LPCWSTR
' vmSavedStateDumpHandle : void** out
Declare PtrSafe Function LoadSavedStateFile Lib "vmsavedstatedumpprovider" ( _
    ByVal vmrsFile As LongPtr, _
    ByVal vmSavedStateDumpHandle 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

LoadSavedStateFile = ctypes.windll.vmsavedstatedumpprovider.LoadSavedStateFile
LoadSavedStateFile.restype = ctypes.c_int
LoadSavedStateFile.argtypes = [
    wintypes.LPCWSTR,  # vmrsFile : LPCWSTR
    ctypes.c_void_p,  # vmSavedStateDumpHandle : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('VmSavedStateDumpProvider.dll')
LoadSavedStateFile = Fiddle::Function.new(
  lib['LoadSavedStateFile'],
  [
    Fiddle::TYPE_VOIDP,  # vmrsFile : LPCWSTR
    Fiddle::TYPE_VOIDP,  # vmSavedStateDumpHandle : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "vmsavedstatedumpprovider")]
extern "system" {
    fn LoadSavedStateFile(
        vmrsFile: *const u16,  // LPCWSTR
        vmSavedStateDumpHandle: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("VmSavedStateDumpProvider.dll")]
public static extern int LoadSavedStateFile([MarshalAs(UnmanagedType.LPWStr)] string vmrsFile, IntPtr vmSavedStateDumpHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'VmSavedStateDumpProvider_LoadSavedStateFile' -Namespace Win32 -PassThru
# $api::LoadSavedStateFile(vmrsFile, vmSavedStateDumpHandle)

#uselib "VmSavedStateDumpProvider.dll"
#func global LoadSavedStateFile "LoadSavedStateFile" sptr, sptr
; LoadSavedStateFile vmrsFile, vmSavedStateDumpHandle   ; 戻り値は stat
; vmrsFile : LPCWSTR -> "sptr"
; vmSavedStateDumpHandle : void** out -> "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 "VmSavedStateDumpProvider.dll"
#cfunc global LoadSavedStateFile "LoadSavedStateFile" wstr, sptr
; res = LoadSavedStateFile(vmrsFile, vmSavedStateDumpHandle)
; vmrsFile : LPCWSTR -> "wstr"
; vmSavedStateDumpHandle : void** out -> "sptr"

; HRESULT LoadSavedStateFile(LPCWSTR vmrsFile, void** vmSavedStateDumpHandle)
#uselib "VmSavedStateDumpProvider.dll"
#cfunc global LoadSavedStateFile "LoadSavedStateFile" wstr, intptr
; res = LoadSavedStateFile(vmrsFile, vmSavedStateDumpHandle)
; vmrsFile : LPCWSTR -> "wstr"
; vmSavedStateDumpHandle : void** out -> "intptr"

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

var (
	vmsavedstatedumpprovider = windows.NewLazySystemDLL("VmSavedStateDumpProvider.dll")
	procLoadSavedStateFile = vmsavedstatedumpprovider.NewProc("LoadSavedStateFile")
)

// vmrsFile (LPCWSTR), vmSavedStateDumpHandle (void** out)
r1, _, err := procLoadSavedStateFile.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(vmrsFile))),
	uintptr(vmSavedStateDumpHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function LoadSavedStateFile(
  vmrsFile: PWideChar;   // LPCWSTR
  vmSavedStateDumpHandle: Pointer   // void** out
): Integer; stdcall;
  external 'VmSavedStateDumpProvider.dll' name 'LoadSavedStateFile';

result := DllCall("VmSavedStateDumpProvider\LoadSavedStateFile"
    , "WStr", vmrsFile   ; LPCWSTR
    , "Ptr", vmSavedStateDumpHandle   ; void** out
    , "Int")   ; return: HRESULT

●LoadSavedStateFile(vmrsFile, vmSavedStateDumpHandle) = DLL("VmSavedStateDumpProvider.dll", "int LoadSavedStateFile(char*, void*)")
# 呼び出し: LoadSavedStateFile(vmrsFile, vmSavedStateDumpHandle)
# vmrsFile : LPCWSTR -> "char*"
# vmSavedStateDumpHandle : void** out -> "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 "vmsavedstatedumpprovider" fn LoadSavedStateFile(
    vmrsFile: [*c]const u16, // LPCWSTR
    vmSavedStateDumpHandle: ?*anyopaque // void** out
) callconv(std.os.windows.WINAPI) i32;

proc LoadSavedStateFile(
    vmrsFile: WideCString,  # LPCWSTR
    vmSavedStateDumpHandle: pointer  # void** out
): int32 {.importc: "LoadSavedStateFile", stdcall, dynlib: "VmSavedStateDumpProvider.dll".}

pragma(lib, "vmsavedstatedumpprovider");
extern(Windows)
int LoadSavedStateFile(
    const(wchar)* vmrsFile,   // LPCWSTR
    void** vmSavedStateDumpHandle   // void** out
);

ccall((:LoadSavedStateFile, "VmSavedStateDumpProvider.dll"), stdcall, Int32,
      (Cwstring, Ptr{Cvoid}),
      vmrsFile, vmSavedStateDumpHandle)
# vmrsFile : LPCWSTR -> Cwstring
# vmSavedStateDumpHandle : void** out -> 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 LoadSavedStateFile(
    const uint16_t* vmrsFile,
    void** vmSavedStateDumpHandle);
]]
local vmsavedstatedumpprovider = ffi.load("vmsavedstatedumpprovider")
-- vmsavedstatedumpprovider.LoadSavedStateFile(vmrsFile, vmSavedStateDumpHandle)
-- vmrsFile : LPCWSTR
-- vmSavedStateDumpHandle : void** out
-- 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('VmSavedStateDumpProvider.dll');
const LoadSavedStateFile = lib.func('__stdcall', 'LoadSavedStateFile', 'int32_t', ['str16', 'void *']);
// LoadSavedStateFile(vmrsFile, vmSavedStateDumpHandle)
// vmrsFile : LPCWSTR -> 'str16'
// vmSavedStateDumpHandle : void** out -> '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("VmSavedStateDumpProvider.dll", {
  LoadSavedStateFile: { parameters: ["buffer", "pointer"], result: "i32" },
});
// lib.symbols.LoadSavedStateFile(vmrsFile, vmSavedStateDumpHandle)
// vmrsFile : LPCWSTR -> "buffer"
// vmSavedStateDumpHandle : void** out -> "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 LoadSavedStateFile(
    const uint16_t* vmrsFile,
    void** vmSavedStateDumpHandle);
C, "VmSavedStateDumpProvider.dll");
// $ffi->LoadSavedStateFile(vmrsFile, vmSavedStateDumpHandle);
// vmrsFile : LPCWSTR
// vmSavedStateDumpHandle : void** out
// 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 Vmsavedstatedumpprovider extends StdCallLibrary {
    Vmsavedstatedumpprovider INSTANCE = Native.load("vmsavedstatedumpprovider", Vmsavedstatedumpprovider.class);
    int LoadSavedStateFile(
        WString vmrsFile,   // LPCWSTR
        Pointer vmSavedStateDumpHandle   // void** out
    );
}

@[Link("vmsavedstatedumpprovider")]
lib LibVmSavedStateDumpProvider
  fun LoadSavedStateFile = LoadSavedStateFile(
    vmrsFile : UInt16*,   # LPCWSTR
    vmSavedStateDumpHandle : Void**   # void** out
  ) : 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 LoadSavedStateFileNative = Int32 Function(Pointer<Utf16>, Pointer<Void>);
typedef LoadSavedStateFileDart = int Function(Pointer<Utf16>, Pointer<Void>);
final LoadSavedStateFile = DynamicLibrary.open('VmSavedStateDumpProvider.dll')
    .lookupFunction<LoadSavedStateFileNative, LoadSavedStateFileDart>('LoadSavedStateFile');
// vmrsFile : LPCWSTR -> Pointer<Utf16>
// vmSavedStateDumpHandle : void** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function LoadSavedStateFile(
  vmrsFile: PWideChar;   // LPCWSTR
  vmSavedStateDumpHandle: Pointer   // void** out
): Integer; stdcall;
  external 'VmSavedStateDumpProvider.dll' name 'LoadSavedStateFile';

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

foreign import stdcall safe "LoadSavedStateFile"
  c_LoadSavedStateFile :: CWString -> Ptr () -> IO Int32
-- vmrsFile : LPCWSTR -> CWString
-- vmSavedStateDumpHandle : void** out -> 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 loadsavedstatefile =
  foreign "LoadSavedStateFile"
    ((ptr uint16_t) @-> (ptr void) @-> returning int32_t)
(* vmrsFile : LPCWSTR -> (ptr uint16_t) *)
(* vmSavedStateDumpHandle : void** out -> (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 vmsavedstatedumpprovider (t "VmSavedStateDumpProvider.dll"))
(cffi:use-foreign-library vmsavedstatedumpprovider)

(cffi:defcfun ("LoadSavedStateFile" load-saved-state-file :convention :stdcall) :int32
  (vmrs-file (:string :encoding :utf-16le))   ; LPCWSTR
  (vm-saved-state-dump-handle :pointer))   ; void** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

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