SCardLocateCardsByATRW

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

INT SCardLocateCardsByATRW(
    UINT_PTR hContext,
    SCARD_ATRMASK* rgAtrMasks,
    DWORD cAtrs,
    SCARD_READERSTATEW* rgReaderStates,
    DWORD cReaders
);

<DllImport("WinSCard.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function SCardLocateCardsByATRW(
    hContext As UIntPtr,   ' UINT_PTR
    rgAtrMasks As IntPtr,   ' SCARD_ATRMASK*
    cAtrs As UInteger,   ' DWORD
    rgReaderStates As IntPtr,   ' SCARD_READERSTATEW* in/out
    cReaders As UInteger   ' DWORD
) As Integer
End Function

' hContext : UINT_PTR
' rgAtrMasks : SCARD_ATRMASK*
' cAtrs : DWORD
' rgReaderStates : SCARD_READERSTATEW* in/out
' cReaders : DWORD
Declare PtrSafe Function SCardLocateCardsByATRW Lib "winscard" ( _
    ByVal hContext As LongPtr, _
    ByVal rgAtrMasks As LongPtr, _
    ByVal cAtrs As Long, _
    ByVal rgReaderStates As LongPtr, _
    ByVal cReaders As Long) 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

SCardLocateCardsByATRW = ctypes.windll.winscard.SCardLocateCardsByATRW
SCardLocateCardsByATRW.restype = ctypes.c_int
SCardLocateCardsByATRW.argtypes = [
    ctypes.c_size_t,  # hContext : UINT_PTR
    ctypes.c_void_p,  # rgAtrMasks : SCARD_ATRMASK*
    wintypes.DWORD,  # cAtrs : DWORD
    ctypes.c_void_p,  # rgReaderStates : SCARD_READERSTATEW* in/out
    wintypes.DWORD,  # cReaders : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WinSCard.dll')
SCardLocateCardsByATRW = Fiddle::Function.new(
  lib['SCardLocateCardsByATRW'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hContext : UINT_PTR
    Fiddle::TYPE_VOIDP,  # rgAtrMasks : SCARD_ATRMASK*
    -Fiddle::TYPE_INT,  # cAtrs : DWORD
    Fiddle::TYPE_VOIDP,  # rgReaderStates : SCARD_READERSTATEW* in/out
    -Fiddle::TYPE_INT,  # cReaders : DWORD
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "winscard")]
extern "system" {
    fn SCardLocateCardsByATRW(
        hContext: usize,  // UINT_PTR
        rgAtrMasks: *mut SCARD_ATRMASK,  // SCARD_ATRMASK*
        cAtrs: u32,  // DWORD
        rgReaderStates: *mut SCARD_READERSTATEW,  // SCARD_READERSTATEW* in/out
        cReaders: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WinSCard.dll", CharSet = CharSet.Unicode)]
public static extern int SCardLocateCardsByATRW(UIntPtr hContext, IntPtr rgAtrMasks, uint cAtrs, IntPtr rgReaderStates, uint cReaders);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WinSCard_SCardLocateCardsByATRW' -Namespace Win32 -PassThru
# $api::SCardLocateCardsByATRW(hContext, rgAtrMasks, cAtrs, rgReaderStates, cReaders)

#uselib "WinSCard.dll"
#func global SCardLocateCardsByATRW "SCardLocateCardsByATRW" wptr, wptr, wptr, wptr, wptr
; SCardLocateCardsByATRW hContext, varptr(rgAtrMasks), cAtrs, varptr(rgReaderStates), cReaders   ; 戻り値は stat
; hContext : UINT_PTR -> "wptr"
; rgAtrMasks : SCARD_ATRMASK* -> "wptr"
; cAtrs : DWORD -> "wptr"
; rgReaderStates : SCARD_READERSTATEW* in/out -> "wptr"
; cReaders : DWORD -> "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 "WinSCard.dll"
#cfunc global SCardLocateCardsByATRW "SCardLocateCardsByATRW" sptr, var, int, var, int
; res = SCardLocateCardsByATRW(hContext, rgAtrMasks, cAtrs, rgReaderStates, cReaders)
; hContext : UINT_PTR -> "sptr"
; rgAtrMasks : SCARD_ATRMASK* -> "var"
; cAtrs : DWORD -> "int"
; rgReaderStates : SCARD_READERSTATEW* in/out -> "var"
; cReaders : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; INT SCardLocateCardsByATRW(UINT_PTR hContext, SCARD_ATRMASK* rgAtrMasks, DWORD cAtrs, SCARD_READERSTATEW* rgReaderStates, DWORD cReaders)
#uselib "WinSCard.dll"
#cfunc global SCardLocateCardsByATRW "SCardLocateCardsByATRW" intptr, var, int, var, int
; res = SCardLocateCardsByATRW(hContext, rgAtrMasks, cAtrs, rgReaderStates, cReaders)
; hContext : UINT_PTR -> "intptr"
; rgAtrMasks : SCARD_ATRMASK* -> "var"
; cAtrs : DWORD -> "int"
; rgReaderStates : SCARD_READERSTATEW* in/out -> "var"
; cReaders : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	winscard = windows.NewLazySystemDLL("WinSCard.dll")
	procSCardLocateCardsByATRW = winscard.NewProc("SCardLocateCardsByATRW")
)

// hContext (UINT_PTR), rgAtrMasks (SCARD_ATRMASK*), cAtrs (DWORD), rgReaderStates (SCARD_READERSTATEW* in/out), cReaders (DWORD)
r1, _, err := procSCardLocateCardsByATRW.Call(
	uintptr(hContext),
	uintptr(rgAtrMasks),
	uintptr(cAtrs),
	uintptr(rgReaderStates),
	uintptr(cReaders),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function SCardLocateCardsByATRW(
  hContext: NativeUInt;   // UINT_PTR
  rgAtrMasks: Pointer;   // SCARD_ATRMASK*
  cAtrs: DWORD;   // DWORD
  rgReaderStates: Pointer;   // SCARD_READERSTATEW* in/out
  cReaders: DWORD   // DWORD
): Integer; stdcall;
  external 'WinSCard.dll' name 'SCardLocateCardsByATRW';

result := DllCall("WinSCard\SCardLocateCardsByATRW"
    , "UPtr", hContext   ; UINT_PTR
    , "Ptr", rgAtrMasks   ; SCARD_ATRMASK*
    , "UInt", cAtrs   ; DWORD
    , "Ptr", rgReaderStates   ; SCARD_READERSTATEW* in/out
    , "UInt", cReaders   ; DWORD
    , "Int")   ; return: INT

●SCardLocateCardsByATRW(hContext, rgAtrMasks, cAtrs, rgReaderStates, cReaders) = DLL("WinSCard.dll", "int SCardLocateCardsByATRW(int, void*, dword, void*, dword)")
# 呼び出し: SCardLocateCardsByATRW(hContext, rgAtrMasks, cAtrs, rgReaderStates, cReaders)
# hContext : UINT_PTR -> "int"
# rgAtrMasks : SCARD_ATRMASK* -> "void*"
# cAtrs : DWORD -> "dword"
# rgReaderStates : SCARD_READERSTATEW* in/out -> "void*"
# cReaders : DWORD -> "dword"
# 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。