FindFirstFileNameTransactedW

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

HANDLE FindFirstFileNameTransactedW(
    LPCWSTR lpFileName,
    DWORD dwFlags,
    DWORD* StringLength,
    LPWSTR LinkName,
    HANDLE hTransaction   // optional
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function FindFirstFileNameTransactedW(
    <MarshalAs(UnmanagedType.LPWStr)> lpFileName As String,   ' LPCWSTR
    dwFlags As UInteger,   ' DWORD
    ByRef StringLength As UInteger,   ' DWORD* in/out
    <MarshalAs(UnmanagedType.LPWStr)> LinkName As System.Text.StringBuilder,   ' LPWSTR out
    hTransaction As IntPtr   ' HANDLE optional
) As IntPtr
End Function

' lpFileName : LPCWSTR
' dwFlags : DWORD
' StringLength : DWORD* in/out
' LinkName : LPWSTR out
' hTransaction : HANDLE optional
Declare PtrSafe Function FindFirstFileNameTransactedW Lib "kernel32" ( _
    ByVal lpFileName As LongPtr, _
    ByVal dwFlags As Long, _
    ByRef StringLength As Long, _
    ByVal LinkName As LongPtr, _
    ByVal hTransaction 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

FindFirstFileNameTransactedW = ctypes.windll.kernel32.FindFirstFileNameTransactedW
FindFirstFileNameTransactedW.restype = ctypes.c_void_p
FindFirstFileNameTransactedW.argtypes = [
    wintypes.LPCWSTR,  # lpFileName : LPCWSTR
    wintypes.DWORD,  # dwFlags : DWORD
    ctypes.POINTER(wintypes.DWORD),  # StringLength : DWORD* in/out
    wintypes.LPWSTR,  # LinkName : LPWSTR out
    wintypes.HANDLE,  # hTransaction : HANDLE optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
FindFirstFileNameTransactedW = Fiddle::Function.new(
  lib['FindFirstFileNameTransactedW'],
  [
    Fiddle::TYPE_VOIDP,  # lpFileName : LPCWSTR
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # StringLength : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # LinkName : LPWSTR out
    Fiddle::TYPE_VOIDP,  # hTransaction : HANDLE optional
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "kernel32")]
extern "system" {
    fn FindFirstFileNameTransactedW(
        lpFileName: *const u16,  // LPCWSTR
        dwFlags: u32,  // DWORD
        StringLength: *mut u32,  // DWORD* in/out
        LinkName: *mut u16,  // LPWSTR out
        hTransaction: *mut core::ffi::c_void  // HANDLE optional
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern IntPtr FindFirstFileNameTransactedW([MarshalAs(UnmanagedType.LPWStr)] string lpFileName, uint dwFlags, ref uint StringLength, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder LinkName, IntPtr hTransaction);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_FindFirstFileNameTransactedW' -Namespace Win32 -PassThru
# $api::FindFirstFileNameTransactedW(lpFileName, dwFlags, StringLength, LinkName, hTransaction)

#uselib "KERNEL32.dll"
#func global FindFirstFileNameTransactedW "FindFirstFileNameTransactedW" sptr, sptr, sptr, sptr, sptr
; FindFirstFileNameTransactedW lpFileName, dwFlags, varptr(StringLength), varptr(LinkName), hTransaction   ; 戻り値は stat
; lpFileName : LPCWSTR -> "sptr"
; dwFlags : DWORD -> "sptr"
; StringLength : DWORD* in/out -> "sptr"
; LinkName : LPWSTR out -> "sptr"
; hTransaction : HANDLE optional -> "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。

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procFindFirstFileNameTransactedW = kernel32.NewProc("FindFirstFileNameTransactedW")
)

// lpFileName (LPCWSTR), dwFlags (DWORD), StringLength (DWORD* in/out), LinkName (LPWSTR out), hTransaction (HANDLE optional)
r1, _, err := procFindFirstFileNameTransactedW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpFileName))),
	uintptr(dwFlags),
	uintptr(StringLength),
	uintptr(LinkName),
	uintptr(hTransaction),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HANDLE

function FindFirstFileNameTransactedW(
  lpFileName: PWideChar;   // LPCWSTR
  dwFlags: DWORD;   // DWORD
  StringLength: Pointer;   // DWORD* in/out
  LinkName: PWideChar;   // LPWSTR out
  hTransaction: THandle   // HANDLE optional
): THandle; stdcall;
  external 'KERNEL32.dll' name 'FindFirstFileNameTransactedW';

result := DllCall("KERNEL32\FindFirstFileNameTransactedW"
    , "WStr", lpFileName   ; LPCWSTR
    , "UInt", dwFlags   ; DWORD
    , "Ptr", StringLength   ; DWORD* in/out
    , "Ptr", LinkName   ; LPWSTR out
    , "Ptr", hTransaction   ; HANDLE optional
    , "Ptr")   ; return: HANDLE

●FindFirstFileNameTransactedW(lpFileName, dwFlags, StringLength, LinkName, hTransaction) = DLL("KERNEL32.dll", "void* FindFirstFileNameTransactedW(char*, dword, void*, char*, void*)")
# 呼び出し: FindFirstFileNameTransactedW(lpFileName, dwFlags, StringLength, LinkName, hTransaction)
# lpFileName : LPCWSTR -> "char*"
# dwFlags : DWORD -> "dword"
# StringLength : DWORD* in/out -> "void*"
# LinkName : LPWSTR out -> "char*"
# hTransaction : HANDLE optional -> "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 "kernel32" fn FindFirstFileNameTransactedW(
    lpFileName: [*c]const u16, // LPCWSTR
    dwFlags: u32, // DWORD
    StringLength: [*c]u32, // DWORD* in/out
    LinkName: [*c]u16, // LPWSTR out
    hTransaction: ?*anyopaque // HANDLE optional
) callconv(std.os.windows.WINAPI) ?*anyopaque;

proc FindFirstFileNameTransactedW(
    lpFileName: WideCString,  # LPCWSTR
    dwFlags: uint32,  # DWORD
    StringLength: ptr uint32,  # DWORD* in/out
    LinkName: ptr uint16,  # LPWSTR out
    hTransaction: pointer  # HANDLE optional
): pointer {.importc: "FindFirstFileNameTransactedW", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
void* FindFirstFileNameTransactedW(
    const(wchar)* lpFileName,   // LPCWSTR
    uint dwFlags,   // DWORD
    uint* StringLength,   // DWORD* in/out
    wchar* LinkName,   // LPWSTR out
    void* hTransaction   // HANDLE optional
);

ccall((:FindFirstFileNameTransactedW, "KERNEL32.dll"), stdcall, Ptr{Cvoid},
      (Cwstring, UInt32, Ptr{UInt32}, Ptr{UInt16}, Ptr{Cvoid}),
      lpFileName, dwFlags, StringLength, LinkName, hTransaction)
# lpFileName : LPCWSTR -> Cwstring
# dwFlags : DWORD -> UInt32
# StringLength : DWORD* in/out -> Ptr{UInt32}
# LinkName : LPWSTR out -> Ptr{UInt16}
# hTransaction : HANDLE optional -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void* FindFirstFileNameTransactedW(
    const uint16_t* lpFileName,
    uint32_t dwFlags,
    uint32_t* StringLength,
    uint16_t* LinkName,
    void* hTransaction);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.FindFirstFileNameTransactedW(lpFileName, dwFlags, StringLength, LinkName, hTransaction)
-- lpFileName : LPCWSTR
-- dwFlags : DWORD
-- StringLength : DWORD* in/out
-- LinkName : LPWSTR out
-- hTransaction : HANDLE optional
-- 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 FindFirstFileNameTransactedW = lib.func('__stdcall', 'FindFirstFileNameTransactedW', 'void *', ['str16', 'uint32_t', 'uint32_t *', 'uint16_t *', 'void *']);
// FindFirstFileNameTransactedW(lpFileName, dwFlags, StringLength, LinkName, hTransaction)
// lpFileName : LPCWSTR -> 'str16'
// dwFlags : DWORD -> 'uint32_t'
// StringLength : DWORD* in/out -> 'uint32_t *'
// LinkName : LPWSTR out -> 'uint16_t *'
// hTransaction : HANDLE optional -> '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("KERNEL32.dll", {
  FindFirstFileNameTransactedW: { parameters: ["buffer", "u32", "pointer", "buffer", "pointer"], result: "pointer" },
});
// lib.symbols.FindFirstFileNameTransactedW(lpFileName, dwFlags, StringLength, LinkName, hTransaction)
// lpFileName : LPCWSTR -> "buffer"
// dwFlags : DWORD -> "u32"
// StringLength : DWORD* in/out -> "pointer"
// LinkName : LPWSTR out -> "buffer"
// hTransaction : HANDLE optional -> "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
void* FindFirstFileNameTransactedW(
    const uint16_t* lpFileName,
    uint32_t dwFlags,
    uint32_t* StringLength,
    uint16_t* LinkName,
    void* hTransaction);
C, "KERNEL32.dll");
// $ffi->FindFirstFileNameTransactedW(lpFileName, dwFlags, StringLength, LinkName, hTransaction);
// lpFileName : LPCWSTR
// dwFlags : DWORD
// StringLength : DWORD* in/out
// LinkName : LPWSTR out
// hTransaction : HANDLE optional
// 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);
    Pointer FindFirstFileNameTransactedW(
        WString lpFileName,   // LPCWSTR
        int dwFlags,   // DWORD
        IntByReference StringLength,   // DWORD* in/out
        char[] LinkName,   // LPWSTR out
        Pointer hTransaction   // HANDLE optional
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun FindFirstFileNameTransactedW = FindFirstFileNameTransactedW(
    lpFileName : UInt16*,   # LPCWSTR
    dwFlags : UInt32,   # DWORD
    StringLength : UInt32*,   # DWORD* in/out
    LinkName : UInt16*,   # LPWSTR out
    hTransaction : Void*   # HANDLE optional
  ) : 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 FindFirstFileNameTransactedWNative = Pointer<Void> Function(Pointer<Utf16>, Uint32, Pointer<Uint32>, Pointer<Utf16>, Pointer<Void>);
typedef FindFirstFileNameTransactedWDart = Pointer<Void> Function(Pointer<Utf16>, int, Pointer<Uint32>, Pointer<Utf16>, Pointer<Void>);
final FindFirstFileNameTransactedW = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<FindFirstFileNameTransactedWNative, FindFirstFileNameTransactedWDart>('FindFirstFileNameTransactedW');
// lpFileName : LPCWSTR -> Pointer<Utf16>
// dwFlags : DWORD -> Uint32
// StringLength : DWORD* in/out -> Pointer<Uint32>
// LinkName : LPWSTR out -> Pointer<Utf16>
// hTransaction : HANDLE optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function FindFirstFileNameTransactedW(
  lpFileName: PWideChar;   // LPCWSTR
  dwFlags: DWORD;   // DWORD
  StringLength: Pointer;   // DWORD* in/out
  LinkName: PWideChar;   // LPWSTR out
  hTransaction: THandle   // HANDLE optional
): THandle; stdcall;
  external 'KERNEL32.dll' name 'FindFirstFileNameTransactedW';

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

foreign import stdcall safe "FindFirstFileNameTransactedW"
  c_FindFirstFileNameTransactedW :: CWString -> Word32 -> Ptr Word32 -> CWString -> Ptr () -> IO (Ptr ())
-- lpFileName : LPCWSTR -> CWString
-- dwFlags : DWORD -> Word32
-- StringLength : DWORD* in/out -> Ptr Word32
-- LinkName : LPWSTR out -> CWString
-- hTransaction : HANDLE optional -> 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 findfirstfilenametransactedw =
  foreign "FindFirstFileNameTransactedW"
    ((ptr uint16_t) @-> uint32_t @-> (ptr uint32_t) @-> (ptr uint16_t) @-> (ptr void) @-> returning (ptr void))
(* lpFileName : LPCWSTR -> (ptr uint16_t) *)
(* dwFlags : DWORD -> uint32_t *)
(* StringLength : DWORD* in/out -> (ptr uint32_t) *)
(* LinkName : LPWSTR out -> (ptr uint16_t) *)
(* hTransaction : HANDLE optional -> (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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("FindFirstFileNameTransactedW" find-first-file-name-transacted-w :convention :stdcall) :pointer
  (lp-file-name (:string :encoding :utf-16le))   ; LPCWSTR
  (dw-flags :uint32)   ; DWORD
  (string-length :pointer)   ; DWORD* in/out
  (link-name :pointer)   ; LPWSTR out
  (h-transaction :pointer))   ; HANDLE optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $FindFirstFileNameTransactedW = Win32::API::More->new('KERNEL32',
    'HANDLE FindFirstFileNameTransactedW(LPCWSTR lpFileName, DWORD dwFlags, LPVOID StringLength, LPWSTR LinkName, HANDLE hTransaction)');
# my $ret = $FindFirstFileNameTransactedW->Call($lpFileName, $dwFlags, $StringLength, $LinkName, $hTransaction);
# lpFileName : LPCWSTR -> LPCWSTR
# dwFlags : DWORD -> DWORD
# StringLength : DWORD* in/out -> LPVOID
# LinkName : LPWSTR out -> LPWSTR
# hTransaction : HANDLE optional -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。