SCardReadCacheW

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

INT SCardReadCacheW(
    UINT_PTR hContext,
    GUID* CardIdentifier,
    DWORD FreshnessCounter,
    LPWSTR LookupName,
    BYTE* Data,
    DWORD* DataLen
);

<DllImport("WinSCard.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function SCardReadCacheW(
    hContext As UIntPtr,   ' UINT_PTR
    ByRef CardIdentifier As Guid,   ' GUID*
    FreshnessCounter As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> LookupName As String,   ' LPWSTR
    Data As IntPtr,   ' BYTE* out
    <Out> ByRef DataLen As UInteger   ' DWORD* out
) As Integer
End Function

' hContext : UINT_PTR
' CardIdentifier : GUID*
' FreshnessCounter : DWORD
' LookupName : LPWSTR
' Data : BYTE* out
' DataLen : DWORD* out
Declare PtrSafe Function SCardReadCacheW Lib "winscard" ( _
    ByVal hContext As LongPtr, _
    ByVal CardIdentifier As LongPtr, _
    ByVal FreshnessCounter As Long, _
    ByVal LookupName As LongPtr, _
    ByVal Data As LongPtr, _
    ByRef DataLen 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

SCardReadCacheW = ctypes.windll.winscard.SCardReadCacheW
SCardReadCacheW.restype = ctypes.c_int
SCardReadCacheW.argtypes = [
    ctypes.c_size_t,  # hContext : UINT_PTR
    ctypes.c_void_p,  # CardIdentifier : GUID*
    wintypes.DWORD,  # FreshnessCounter : DWORD
    wintypes.LPCWSTR,  # LookupName : LPWSTR
    ctypes.POINTER(ctypes.c_ubyte),  # Data : BYTE* out
    ctypes.POINTER(wintypes.DWORD),  # DataLen : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WinSCard.dll')
SCardReadCacheW = Fiddle::Function.new(
  lib['SCardReadCacheW'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hContext : UINT_PTR
    Fiddle::TYPE_VOIDP,  # CardIdentifier : GUID*
    -Fiddle::TYPE_INT,  # FreshnessCounter : DWORD
    Fiddle::TYPE_VOIDP,  # LookupName : LPWSTR
    Fiddle::TYPE_VOIDP,  # Data : BYTE* out
    Fiddle::TYPE_VOIDP,  # DataLen : DWORD* out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "winscard")]
extern "system" {
    fn SCardReadCacheW(
        hContext: usize,  // UINT_PTR
        CardIdentifier: *mut GUID,  // GUID*
        FreshnessCounter: u32,  // DWORD
        LookupName: *mut u16,  // LPWSTR
        Data: *mut u8,  // BYTE* out
        DataLen: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WinSCard.dll", CharSet = CharSet.Unicode)]
public static extern int SCardReadCacheW(UIntPtr hContext, ref Guid CardIdentifier, uint FreshnessCounter, [MarshalAs(UnmanagedType.LPWStr)] string LookupName, IntPtr Data, out uint DataLen);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WinSCard_SCardReadCacheW' -Namespace Win32 -PassThru
# $api::SCardReadCacheW(hContext, CardIdentifier, FreshnessCounter, LookupName, Data, DataLen)

#uselib "WinSCard.dll"
#func global SCardReadCacheW "SCardReadCacheW" wptr, wptr, wptr, wptr, wptr, wptr
; SCardReadCacheW hContext, varptr(CardIdentifier), FreshnessCounter, LookupName, varptr(Data), varptr(DataLen)   ; 戻り値は stat
; hContext : UINT_PTR -> "wptr"
; CardIdentifier : GUID* -> "wptr"
; FreshnessCounter : DWORD -> "wptr"
; LookupName : LPWSTR -> "wptr"
; Data : BYTE* out -> "wptr"
; DataLen : DWORD* 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 "WinSCard.dll"
#cfunc global SCardReadCacheW "SCardReadCacheW" sptr, var, int, wstr, var, var
; res = SCardReadCacheW(hContext, CardIdentifier, FreshnessCounter, LookupName, Data, DataLen)
; hContext : UINT_PTR -> "sptr"
; CardIdentifier : GUID* -> "var"
; FreshnessCounter : DWORD -> "int"
; LookupName : LPWSTR -> "wstr"
; Data : BYTE* out -> "var"
; DataLen : DWORD* out -> "var"
; ※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 SCardReadCacheW(UINT_PTR hContext, GUID* CardIdentifier, DWORD FreshnessCounter, LPWSTR LookupName, BYTE* Data, DWORD* DataLen)
#uselib "WinSCard.dll"
#cfunc global SCardReadCacheW "SCardReadCacheW" intptr, var, int, wstr, var, var
; res = SCardReadCacheW(hContext, CardIdentifier, FreshnessCounter, LookupName, Data, DataLen)
; hContext : UINT_PTR -> "intptr"
; CardIdentifier : GUID* -> "var"
; FreshnessCounter : DWORD -> "int"
; LookupName : LPWSTR -> "wstr"
; Data : BYTE* out -> "var"
; DataLen : DWORD* out -> "var"
; ※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")
	procSCardReadCacheW = winscard.NewProc("SCardReadCacheW")
)

// hContext (UINT_PTR), CardIdentifier (GUID*), FreshnessCounter (DWORD), LookupName (LPWSTR), Data (BYTE* out), DataLen (DWORD* out)
r1, _, err := procSCardReadCacheW.Call(
	uintptr(hContext),
	uintptr(CardIdentifier),
	uintptr(FreshnessCounter),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(LookupName))),
	uintptr(Data),
	uintptr(DataLen),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function SCardReadCacheW(
  hContext: NativeUInt;   // UINT_PTR
  CardIdentifier: PGUID;   // GUID*
  FreshnessCounter: DWORD;   // DWORD
  LookupName: PWideChar;   // LPWSTR
  Data: Pointer;   // BYTE* out
  DataLen: Pointer   // DWORD* out
): Integer; stdcall;
  external 'WinSCard.dll' name 'SCardReadCacheW';

result := DllCall("WinSCard\SCardReadCacheW"
    , "UPtr", hContext   ; UINT_PTR
    , "Ptr", CardIdentifier   ; GUID*
    , "UInt", FreshnessCounter   ; DWORD
    , "WStr", LookupName   ; LPWSTR
    , "Ptr", Data   ; BYTE* out
    , "Ptr", DataLen   ; DWORD* out
    , "Int")   ; return: INT

●SCardReadCacheW(hContext, CardIdentifier, FreshnessCounter, LookupName, Data, DataLen) = DLL("WinSCard.dll", "int SCardReadCacheW(int, void*, dword, char*, void*, void*)")
# 呼び出し: SCardReadCacheW(hContext, CardIdentifier, FreshnessCounter, LookupName, Data, DataLen)
# hContext : UINT_PTR -> "int"
# CardIdentifier : GUID* -> "void*"
# FreshnessCounter : DWORD -> "dword"
# LookupName : LPWSTR -> "char*"
# Data : BYTE* out -> "void*"
# DataLen : DWORD* 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。