SCardReleaseContext

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

INT SCardReleaseContext(
    UINT_PTR hContext
);

<DllImport("WinSCard.dll", ExactSpelling:=True)>
Public Shared Function SCardReleaseContext(
    hContext As UIntPtr   ' UINT_PTR
) As Integer
End Function

' hContext : UINT_PTR
Declare PtrSafe Function SCardReleaseContext Lib "winscard" ( _
    ByVal hContext As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SCardReleaseContext = ctypes.windll.winscard.SCardReleaseContext
SCardReleaseContext.restype = ctypes.c_int
SCardReleaseContext.argtypes = [
    ctypes.c_size_t,  # hContext : UINT_PTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WinSCard.dll')
SCardReleaseContext = Fiddle::Function.new(
  lib['SCardReleaseContext'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hContext : UINT_PTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "winscard")]
extern "system" {
    fn SCardReleaseContext(
        hContext: usize  // UINT_PTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WinSCard.dll")]
public static extern int SCardReleaseContext(UIntPtr hContext);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WinSCard_SCardReleaseContext' -Namespace Win32 -PassThru
# $api::SCardReleaseContext(hContext)

#uselib "WinSCard.dll"
#func global SCardReleaseContext "SCardReleaseContext" sptr
; SCardReleaseContext hContext   ; 戻り値は stat
; hContext : UINT_PTR -> "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。

#uselib "WinSCard.dll"
#cfunc global SCardReleaseContext "SCardReleaseContext" sptr
; res = SCardReleaseContext(hContext)
; hContext : UINT_PTR -> "sptr"

; INT SCardReleaseContext(UINT_PTR hContext)
#uselib "WinSCard.dll"
#cfunc global SCardReleaseContext "SCardReleaseContext" intptr
; res = SCardReleaseContext(hContext)
; hContext : UINT_PTR -> "intptr"

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

var (
	winscard = windows.NewLazySystemDLL("WinSCard.dll")
	procSCardReleaseContext = winscard.NewProc("SCardReleaseContext")
)

// hContext (UINT_PTR)
r1, _, err := procSCardReleaseContext.Call(
	uintptr(hContext),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function SCardReleaseContext(
  hContext: NativeUInt   // UINT_PTR
): Integer; stdcall;
  external 'WinSCard.dll' name 'SCardReleaseContext';

result := DllCall("WinSCard\SCardReleaseContext"
    , "UPtr", hContext   ; UINT_PTR
    , "Int")   ; return: INT

●SCardReleaseContext(hContext) = DLL("WinSCard.dll", "int SCardReleaseContext(int)")
# 呼び出し: SCardReleaseContext(hContext)
# hContext : UINT_PTR -> "int"
# 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 "winscard" fn SCardReleaseContext(
    hContext: usize // UINT_PTR
) callconv(std.os.windows.WINAPI) i32;

proc SCardReleaseContext(
    hContext: uint  # UINT_PTR
): int32 {.importc: "SCardReleaseContext", stdcall, dynlib: "WinSCard.dll".}

pragma(lib, "winscard");
extern(Windows)
int SCardReleaseContext(
    size_t hContext   // UINT_PTR
);

ccall((:SCardReleaseContext, "WinSCard.dll"), stdcall, Int32,
      (Csize_t,),
      hContext)
# hContext : UINT_PTR -> Csize_t
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t SCardReleaseContext(
    uintptr_t hContext);
]]
local winscard = ffi.load("winscard")
-- winscard.SCardReleaseContext(hContext)
-- hContext : UINT_PTR
-- 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('WinSCard.dll');
const SCardReleaseContext = lib.func('__stdcall', 'SCardReleaseContext', 'int32_t', ['uintptr_t']);
// SCardReleaseContext(hContext)
// hContext : UINT_PTR -> 'uintptr_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", {
  SCardReleaseContext: { parameters: ["usize"], result: "i32" },
});
// lib.symbols.SCardReleaseContext(hContext)
// hContext : UINT_PTR -> "usize"
// 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
int32_t SCardReleaseContext(
    size_t hContext);
C, "WinSCard.dll");
// $ffi->SCardReleaseContext(hContext);
// hContext : UINT_PTR
// 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);
    int SCardReleaseContext(
        long hContext   // UINT_PTR
    );
}

@[Link("winscard")]
lib LibWinSCard
  fun SCardReleaseContext = SCardReleaseContext(
    hContext : LibC::SizeT   # UINT_PTR
  ) : 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 SCardReleaseContextNative = Int32 Function(UintPtr);
typedef SCardReleaseContextDart = int Function(int);
final SCardReleaseContext = DynamicLibrary.open('WinSCard.dll')
    .lookupFunction<SCardReleaseContextNative, SCardReleaseContextDart>('SCardReleaseContext');
// hContext : UINT_PTR -> UintPtr
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SCardReleaseContext(
  hContext: NativeUInt   // UINT_PTR
): Integer; stdcall;
  external 'WinSCard.dll' name 'SCardReleaseContext';

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

foreign import stdcall safe "SCardReleaseContext"
  c_SCardReleaseContext :: CUIntPtr -> IO Int32
-- hContext : UINT_PTR -> CUIntPtr
-- 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 scardreleasecontext =
  foreign "SCardReleaseContext"
    (size_t @-> returning int32_t)
(* hContext : UINT_PTR -> size_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 ("SCardReleaseContext" scard-release-context :convention :stdcall) :int32
  (h-context :uint64))   ; UINT_PTR
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SCardReleaseContext = Win32::API::More->new('WinSCard',
    'int SCardReleaseContext(WPARAM hContext)');
# my $ret = $SCardReleaseContext->Call($hContext);
# hContext : UINT_PTR -> WPARAM
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。