GetFileAttributesExW

// KERNEL32.dll  (Unicode / -W)
#include <windows.h>

BOOL GetFileAttributesExW(
    LPCWSTR lpFileName,
    GET_FILEEX_INFO_LEVELS fInfoLevelId,
    void* lpFileInformation
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetFileAttributesExW(
    <MarshalAs(UnmanagedType.LPWStr)> lpFileName As String,   ' LPCWSTR
    fInfoLevelId As Integer,   ' GET_FILEEX_INFO_LEVELS
    lpFileInformation As IntPtr   ' void* out
) As Boolean
End Function

' lpFileName : LPCWSTR
' fInfoLevelId : GET_FILEEX_INFO_LEVELS
' lpFileInformation : void* out
Declare PtrSafe Function GetFileAttributesExW Lib "kernel32" ( _
    ByVal lpFileName As LongPtr, _
    ByVal fInfoLevelId As Long, _
    ByVal lpFileInformation As LongPtr) 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

GetFileAttributesExW = ctypes.windll.kernel32.GetFileAttributesExW
GetFileAttributesExW.restype = wintypes.BOOL
GetFileAttributesExW.argtypes = [
    wintypes.LPCWSTR,  # lpFileName : LPCWSTR
    ctypes.c_int,  # fInfoLevelId : GET_FILEEX_INFO_LEVELS
    ctypes.POINTER(None),  # lpFileInformation : void* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetFileAttributesExW = Fiddle::Function.new(
  lib['GetFileAttributesExW'],
  [
    Fiddle::TYPE_VOIDP,  # lpFileName : LPCWSTR
    Fiddle::TYPE_INT,  # fInfoLevelId : GET_FILEEX_INFO_LEVELS
    Fiddle::TYPE_VOIDP,  # lpFileInformation : void* out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "kernel32")]
extern "system" {
    fn GetFileAttributesExW(
        lpFileName: *const u16,  // LPCWSTR
        fInfoLevelId: i32,  // GET_FILEEX_INFO_LEVELS
        lpFileInformation: *mut ()  // void* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool GetFileAttributesExW([MarshalAs(UnmanagedType.LPWStr)] string lpFileName, int fInfoLevelId, IntPtr lpFileInformation);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetFileAttributesExW' -Namespace Win32 -PassThru
# $api::GetFileAttributesExW(lpFileName, fInfoLevelId, lpFileInformation)

#uselib "KERNEL32.dll"
#func global GetFileAttributesExW "GetFileAttributesExW" wptr, wptr, wptr
; GetFileAttributesExW lpFileName, fInfoLevelId, lpFileInformation   ; 戻り値は stat
; lpFileName : LPCWSTR -> "wptr"
; fInfoLevelId : GET_FILEEX_INFO_LEVELS -> "wptr"
; lpFileInformation : void* out -> "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 "KERNEL32.dll"
#cfunc global GetFileAttributesExW "GetFileAttributesExW" wstr, int, sptr
; res = GetFileAttributesExW(lpFileName, fInfoLevelId, lpFileInformation)
; lpFileName : LPCWSTR -> "wstr"
; fInfoLevelId : GET_FILEEX_INFO_LEVELS -> "int"
; lpFileInformation : void* out -> "sptr"

; BOOL GetFileAttributesExW(LPCWSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId, void* lpFileInformation)
#uselib "KERNEL32.dll"
#cfunc global GetFileAttributesExW "GetFileAttributesExW" wstr, int, intptr
; res = GetFileAttributesExW(lpFileName, fInfoLevelId, lpFileInformation)
; lpFileName : LPCWSTR -> "wstr"
; fInfoLevelId : GET_FILEEX_INFO_LEVELS -> "int"
; lpFileInformation : void* out -> "intptr"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procGetFileAttributesExW = kernel32.NewProc("GetFileAttributesExW")
)

// lpFileName (LPCWSTR), fInfoLevelId (GET_FILEEX_INFO_LEVELS), lpFileInformation (void* out)
r1, _, err := procGetFileAttributesExW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpFileName))),
	uintptr(fInfoLevelId),
	uintptr(lpFileInformation),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetFileAttributesExW(
  lpFileName: PWideChar;   // LPCWSTR
  fInfoLevelId: Integer;   // GET_FILEEX_INFO_LEVELS
  lpFileInformation: Pointer   // void* out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'GetFileAttributesExW';

result := DllCall("KERNEL32\GetFileAttributesExW"
    , "WStr", lpFileName   ; LPCWSTR
    , "Int", fInfoLevelId   ; GET_FILEEX_INFO_LEVELS
    , "Ptr", lpFileInformation   ; void* out
    , "Int")   ; return: BOOL

●GetFileAttributesExW(lpFileName, fInfoLevelId, lpFileInformation) = DLL("KERNEL32.dll", "bool GetFileAttributesExW(char*, int, void*)")
# 呼び出し: GetFileAttributesExW(lpFileName, fInfoLevelId, lpFileInformation)
# lpFileName : LPCWSTR -> "char*"
# fInfoLevelId : GET_FILEEX_INFO_LEVELS -> "int"
# lpFileInformation : 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。