SCardStatusW

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

INT SCardStatusW(
    UINT_PTR hCard,
    LPWSTR mszReaderNames,   // optional
    DWORD* pcchReaderLen,   // optional
    DWORD* pdwState,   // optional
    DWORD* pdwProtocol,   // optional
    BYTE* pbAtr,   // optional
    DWORD* pcbAtrLen   // optional
);

<DllImport("WinSCard.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function SCardStatusW(
    hCard As UIntPtr,   ' UINT_PTR
    <MarshalAs(UnmanagedType.LPWStr)> mszReaderNames As System.Text.StringBuilder,   ' LPWSTR optional, out
    pcchReaderLen As IntPtr,   ' DWORD* optional, in/out
    pdwState As IntPtr,   ' DWORD* optional, out
    pdwProtocol As IntPtr,   ' DWORD* optional, out
    pbAtr As IntPtr,   ' BYTE* optional, out
    pcbAtrLen As IntPtr   ' DWORD* optional, in/out
) As Integer
End Function

' hCard : UINT_PTR
' mszReaderNames : LPWSTR optional, out
' pcchReaderLen : DWORD* optional, in/out
' pdwState : DWORD* optional, out
' pdwProtocol : DWORD* optional, out
' pbAtr : BYTE* optional, out
' pcbAtrLen : DWORD* optional, in/out
Declare PtrSafe Function SCardStatusW Lib "winscard" ( _
    ByVal hCard As LongPtr, _
    ByVal mszReaderNames As LongPtr, _
    ByVal pcchReaderLen As LongPtr, _
    ByVal pdwState As LongPtr, _
    ByVal pdwProtocol As LongPtr, _
    ByVal pbAtr As LongPtr, _
    ByVal pcbAtrLen 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

SCardStatusW = ctypes.windll.winscard.SCardStatusW
SCardStatusW.restype = ctypes.c_int
SCardStatusW.argtypes = [
    ctypes.c_size_t,  # hCard : UINT_PTR
    wintypes.LPWSTR,  # mszReaderNames : LPWSTR optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcchReaderLen : DWORD* optional, in/out
    ctypes.POINTER(wintypes.DWORD),  # pdwState : DWORD* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pdwProtocol : DWORD* optional, out
    ctypes.POINTER(ctypes.c_ubyte),  # pbAtr : BYTE* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcbAtrLen : DWORD* optional, in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WinSCard.dll')
SCardStatusW = Fiddle::Function.new(
  lib['SCardStatusW'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hCard : UINT_PTR
    Fiddle::TYPE_VOIDP,  # mszReaderNames : LPWSTR optional, out
    Fiddle::TYPE_VOIDP,  # pcchReaderLen : DWORD* optional, in/out
    Fiddle::TYPE_VOIDP,  # pdwState : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # pdwProtocol : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # pbAtr : BYTE* optional, out
    Fiddle::TYPE_VOIDP,  # pcbAtrLen : DWORD* optional, in/out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "winscard")]
extern "system" {
    fn SCardStatusW(
        hCard: usize,  // UINT_PTR
        mszReaderNames: *mut u16,  // LPWSTR optional, out
        pcchReaderLen: *mut u32,  // DWORD* optional, in/out
        pdwState: *mut u32,  // DWORD* optional, out
        pdwProtocol: *mut u32,  // DWORD* optional, out
        pbAtr: *mut u8,  // BYTE* optional, out
        pcbAtrLen: *mut u32  // DWORD* optional, in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WinSCard.dll", CharSet = CharSet.Unicode)]
public static extern int SCardStatusW(UIntPtr hCard, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder mszReaderNames, IntPtr pcchReaderLen, IntPtr pdwState, IntPtr pdwProtocol, IntPtr pbAtr, IntPtr pcbAtrLen);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WinSCard_SCardStatusW' -Namespace Win32 -PassThru
# $api::SCardStatusW(hCard, mszReaderNames, pcchReaderLen, pdwState, pdwProtocol, pbAtr, pcbAtrLen)

#uselib "WinSCard.dll"
#func global SCardStatusW "SCardStatusW" wptr, wptr, wptr, wptr, wptr, wptr, wptr
; SCardStatusW hCard, varptr(mszReaderNames), varptr(pcchReaderLen), varptr(pdwState), varptr(pdwProtocol), varptr(pbAtr), varptr(pcbAtrLen)   ; 戻り値は stat
; hCard : UINT_PTR -> "wptr"
; mszReaderNames : LPWSTR optional, out -> "wptr"
; pcchReaderLen : DWORD* optional, in/out -> "wptr"
; pdwState : DWORD* optional, out -> "wptr"
; pdwProtocol : DWORD* optional, out -> "wptr"
; pbAtr : BYTE* optional, out -> "wptr"
; pcbAtrLen : DWORD* optional, in/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。

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

var (
	winscard = windows.NewLazySystemDLL("WinSCard.dll")
	procSCardStatusW = winscard.NewProc("SCardStatusW")
)

// hCard (UINT_PTR), mszReaderNames (LPWSTR optional, out), pcchReaderLen (DWORD* optional, in/out), pdwState (DWORD* optional, out), pdwProtocol (DWORD* optional, out), pbAtr (BYTE* optional, out), pcbAtrLen (DWORD* optional, in/out)
r1, _, err := procSCardStatusW.Call(
	uintptr(hCard),
	uintptr(mszReaderNames),
	uintptr(pcchReaderLen),
	uintptr(pdwState),
	uintptr(pdwProtocol),
	uintptr(pbAtr),
	uintptr(pcbAtrLen),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function SCardStatusW(
  hCard: NativeUInt;   // UINT_PTR
  mszReaderNames: PWideChar;   // LPWSTR optional, out
  pcchReaderLen: Pointer;   // DWORD* optional, in/out
  pdwState: Pointer;   // DWORD* optional, out
  pdwProtocol: Pointer;   // DWORD* optional, out
  pbAtr: Pointer;   // BYTE* optional, out
  pcbAtrLen: Pointer   // DWORD* optional, in/out
): Integer; stdcall;
  external 'WinSCard.dll' name 'SCardStatusW';

result := DllCall("WinSCard\SCardStatusW"
    , "UPtr", hCard   ; UINT_PTR
    , "Ptr", mszReaderNames   ; LPWSTR optional, out
    , "Ptr", pcchReaderLen   ; DWORD* optional, in/out
    , "Ptr", pdwState   ; DWORD* optional, out
    , "Ptr", pdwProtocol   ; DWORD* optional, out
    , "Ptr", pbAtr   ; BYTE* optional, out
    , "Ptr", pcbAtrLen   ; DWORD* optional, in/out
    , "Int")   ; return: INT

●SCardStatusW(hCard, mszReaderNames, pcchReaderLen, pdwState, pdwProtocol, pbAtr, pcbAtrLen) = DLL("WinSCard.dll", "int SCardStatusW(int, char*, void*, void*, void*, void*, void*)")
# 呼び出し: SCardStatusW(hCard, mszReaderNames, pcchReaderLen, pdwState, pdwProtocol, pbAtr, pcbAtrLen)
# hCard : UINT_PTR -> "int"
# mszReaderNames : LPWSTR optional, out -> "char*"
# pcchReaderLen : DWORD* optional, in/out -> "void*"
# pdwState : DWORD* optional, out -> "void*"
# pdwProtocol : DWORD* optional, out -> "void*"
# pbAtr : BYTE* optional, out -> "void*"
# pcbAtrLen : DWORD* optional, in/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。

const std = @import("std");

extern "winscard" fn SCardStatusW(
    hCard: usize, // UINT_PTR
    mszReaderNames: [*c]u16, // LPWSTR optional, out
    pcchReaderLen: [*c]u32, // DWORD* optional, in/out
    pdwState: [*c]u32, // DWORD* optional, out
    pdwProtocol: [*c]u32, // DWORD* optional, out
    pbAtr: [*c]u8, // BYTE* optional, out
    pcbAtrLen: [*c]u32 // DWORD* optional, in/out
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc SCardStatusW(
    hCard: uint,  # UINT_PTR
    mszReaderNames: ptr uint16,  # LPWSTR optional, out
    pcchReaderLen: ptr uint32,  # DWORD* optional, in/out
    pdwState: ptr uint32,  # DWORD* optional, out
    pdwProtocol: ptr uint32,  # DWORD* optional, out
    pbAtr: ptr uint8,  # BYTE* optional, out
    pcbAtrLen: ptr uint32  # DWORD* optional, in/out
): int32 {.importc: "SCardStatusW", stdcall, dynlib: "WinSCard.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "winscard");
extern(Windows)
int SCardStatusW(
    size_t hCard,   // UINT_PTR
    wchar* mszReaderNames,   // LPWSTR optional, out
    uint* pcchReaderLen,   // DWORD* optional, in/out
    uint* pdwState,   // DWORD* optional, out
    uint* pdwProtocol,   // DWORD* optional, out
    ubyte* pbAtr,   // BYTE* optional, out
    uint* pcbAtrLen   // DWORD* optional, in/out
);

ccall((:SCardStatusW, "WinSCard.dll"), stdcall, Int32,
      (Csize_t, Ptr{UInt16}, Ptr{UInt32}, Ptr{UInt32}, Ptr{UInt32}, Ptr{UInt8}, Ptr{UInt32}),
      hCard, mszReaderNames, pcchReaderLen, pdwState, pdwProtocol, pbAtr, pcbAtrLen)
# hCard : UINT_PTR -> Csize_t
# mszReaderNames : LPWSTR optional, out -> Ptr{UInt16}
# pcchReaderLen : DWORD* optional, in/out -> Ptr{UInt32}
# pdwState : DWORD* optional, out -> Ptr{UInt32}
# pdwProtocol : DWORD* optional, out -> Ptr{UInt32}
# pbAtr : BYTE* optional, out -> Ptr{UInt8}
# pcbAtrLen : DWORD* optional, in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
int32_t SCardStatusW(
    uintptr_t hCard,
    uint16_t* mszReaderNames,
    uint32_t* pcchReaderLen,
    uint32_t* pdwState,
    uint32_t* pdwProtocol,
    uint8_t* pbAtr,
    uint32_t* pcbAtrLen);
]]
local winscard = ffi.load("winscard")
-- winscard.SCardStatusW(hCard, mszReaderNames, pcchReaderLen, pdwState, pdwProtocol, pbAtr, pcbAtrLen)
-- hCard : UINT_PTR
-- mszReaderNames : LPWSTR optional, out
-- pcchReaderLen : DWORD* optional, in/out
-- pdwState : DWORD* optional, out
-- pdwProtocol : DWORD* optional, out
-- pbAtr : BYTE* optional, out
-- pcbAtrLen : DWORD* optional, in/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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('WinSCard.dll');
const SCardStatusW = lib.func('__stdcall', 'SCardStatusW', 'int32_t', ['uintptr_t', 'uint16_t *', 'uint32_t *', 'uint32_t *', 'uint32_t *', 'uint8_t *', 'uint32_t *']);
// SCardStatusW(hCard, mszReaderNames, pcchReaderLen, pdwState, pdwProtocol, pbAtr, pcbAtrLen)
// hCard : UINT_PTR -> 'uintptr_t'
// mszReaderNames : LPWSTR optional, out -> 'uint16_t *'
// pcchReaderLen : DWORD* optional, in/out -> 'uint32_t *'
// pdwState : DWORD* optional, out -> 'uint32_t *'
// pdwProtocol : DWORD* optional, out -> 'uint32_t *'
// pbAtr : BYTE* optional, out -> 'uint8_t *'
// pcbAtrLen : DWORD* optional, in/out -> '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("WinSCard.dll", {
  SCardStatusW: { parameters: ["usize", "buffer", "pointer", "pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.SCardStatusW(hCard, mszReaderNames, pcchReaderLen, pdwState, pdwProtocol, pbAtr, pcbAtrLen)
// hCard : UINT_PTR -> "usize"
// mszReaderNames : LPWSTR optional, out -> "buffer"
// pcchReaderLen : DWORD* optional, in/out -> "pointer"
// pdwState : DWORD* optional, out -> "pointer"
// pdwProtocol : DWORD* optional, out -> "pointer"
// pbAtr : BYTE* optional, out -> "pointer"
// pcbAtrLen : DWORD* optional, in/out -> "pointer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)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 SCardStatusW(
    size_t hCard,
    uint16_t* mszReaderNames,
    uint32_t* pcchReaderLen,
    uint32_t* pdwState,
    uint32_t* pdwProtocol,
    uint8_t* pbAtr,
    uint32_t* pcbAtrLen);
C, "WinSCard.dll");
// $ffi->SCardStatusW(hCard, mszReaderNames, pcchReaderLen, pdwState, pdwProtocol, pbAtr, pcbAtrLen);
// hCard : UINT_PTR
// mszReaderNames : LPWSTR optional, out
// pcchReaderLen : DWORD* optional, in/out
// pdwState : DWORD* optional, out
// pdwProtocol : DWORD* optional, out
// pbAtr : BYTE* optional, out
// pcbAtrLen : DWORD* optional, in/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 Winscard extends StdCallLibrary {
    Winscard INSTANCE = Native.load("winscard", Winscard.class, W32APIOptions.UNICODE_OPTIONS);
    int SCardStatusW(
        long hCard,   // UINT_PTR
        char[] mszReaderNames,   // LPWSTR optional, out
        IntByReference pcchReaderLen,   // DWORD* optional, in/out
        IntByReference pdwState,   // DWORD* optional, out
        IntByReference pdwProtocol,   // DWORD* optional, out
        byte[] pbAtr,   // BYTE* optional, out
        IntByReference pcbAtrLen   // DWORD* optional, in/out
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("winscard")]
lib LibWinSCard
  fun SCardStatusW = SCardStatusW(
    hCard : LibC::SizeT,   # UINT_PTR
    mszReaderNames : UInt16*,   # LPWSTR optional, out
    pcchReaderLen : UInt32*,   # DWORD* optional, in/out
    pdwState : UInt32*,   # DWORD* optional, out
    pdwProtocol : UInt32*,   # DWORD* optional, out
    pbAtr : UInt8*,   # BYTE* optional, out
    pcbAtrLen : UInt32*   # DWORD* optional, in/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 SCardStatusWNative = Int32 Function(UintPtr, Pointer<Utf16>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint8>, Pointer<Uint32>);
typedef SCardStatusWDart = int Function(int, Pointer<Utf16>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint8>, Pointer<Uint32>);
final SCardStatusW = DynamicLibrary.open('WinSCard.dll')
    .lookupFunction<SCardStatusWNative, SCardStatusWDart>('SCardStatusW');
// hCard : UINT_PTR -> UintPtr
// mszReaderNames : LPWSTR optional, out -> Pointer<Utf16>
// pcchReaderLen : DWORD* optional, in/out -> Pointer<Uint32>
// pdwState : DWORD* optional, out -> Pointer<Uint32>
// pdwProtocol : DWORD* optional, out -> Pointer<Uint32>
// pbAtr : BYTE* optional, out -> Pointer<Uint8>
// pcbAtrLen : DWORD* optional, in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SCardStatusW(
  hCard: NativeUInt;   // UINT_PTR
  mszReaderNames: PWideChar;   // LPWSTR optional, out
  pcchReaderLen: Pointer;   // DWORD* optional, in/out
  pdwState: Pointer;   // DWORD* optional, out
  pdwProtocol: Pointer;   // DWORD* optional, out
  pbAtr: Pointer;   // BYTE* optional, out
  pcbAtrLen: Pointer   // DWORD* optional, in/out
): Integer; stdcall;
  external 'WinSCard.dll' name 'SCardStatusW';

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

foreign import stdcall safe "SCardStatusW"
  c_SCardStatusW :: CUIntPtr -> CWString -> Ptr Word32 -> Ptr Word32 -> Ptr Word32 -> Ptr Word8 -> Ptr Word32 -> IO Int32
-- hCard : UINT_PTR -> CUIntPtr
-- mszReaderNames : LPWSTR optional, out -> CWString
-- pcchReaderLen : DWORD* optional, in/out -> Ptr Word32
-- pdwState : DWORD* optional, out -> Ptr Word32
-- pdwProtocol : DWORD* optional, out -> Ptr Word32
-- pbAtr : BYTE* optional, out -> Ptr Word8
-- pcbAtrLen : DWORD* optional, in/out -> Ptr 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。

open Ctypes
open Foreign

let scardstatusw =
  foreign "SCardStatusW"
    (size_t @-> (ptr uint16_t) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> (ptr uint8_t) @-> (ptr uint32_t) @-> returning int32_t)
(* hCard : UINT_PTR -> size_t *)
(* mszReaderNames : LPWSTR optional, out -> (ptr uint16_t) *)
(* pcchReaderLen : DWORD* optional, in/out -> (ptr uint32_t) *)
(* pdwState : DWORD* optional, out -> (ptr uint32_t) *)
(* pdwProtocol : DWORD* optional, out -> (ptr uint32_t) *)
(* pbAtr : BYTE* optional, out -> (ptr uint8_t) *)
(* pcbAtrLen : DWORD* optional, in/out -> (ptr 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 winscard (t "WinSCard.dll"))
(cffi:use-foreign-library winscard)

(cffi:defcfun ("SCardStatusW" scard-status-w :convention :stdcall) :int32
  (h-card :uint64)   ; UINT_PTR
  (msz-reader-names :pointer)   ; LPWSTR optional, out
  (pcch-reader-len :pointer)   ; DWORD* optional, in/out
  (pdw-state :pointer)   ; DWORD* optional, out
  (pdw-protocol :pointer)   ; DWORD* optional, out
  (pb-atr :pointer)   ; BYTE* optional, out
  (pcb-atr-len :pointer))   ; DWORD* optional, in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SCardStatusW = Win32::API::More->new('WinSCard',
    'int SCardStatusW(WPARAM hCard, LPWSTR mszReaderNames, LPVOID pcchReaderLen, LPVOID pdwState, LPVOID pdwProtocol, LPVOID pbAtr, LPVOID pcbAtrLen)');
# my $ret = $SCardStatusW->Call($hCard, $mszReaderNames, $pcchReaderLen, $pdwState, $pdwProtocol, $pbAtr, $pcbAtrLen);
# hCard : UINT_PTR -> WPARAM
# mszReaderNames : LPWSTR optional, out -> LPWSTR
# pcchReaderLen : DWORD* optional, in/out -> LPVOID
# pdwState : DWORD* optional, out -> LPVOID
# pdwProtocol : DWORD* optional, out -> LPVOID
# pbAtr : BYTE* optional, out -> LPVOID
# pcbAtrLen : DWORD* optional, in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。