InternetGetCookieEx2

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

DWORD InternetGetCookieEx2(
    LPCWSTR pcwszUrl,
    LPCWSTR pcwszCookieName,   // optional
    DWORD dwFlags,
    INTERNET_COOKIE2** ppCookies,
    DWORD* pdwCookieCount
);

<DllImport("WININET.dll", ExactSpelling:=True)>
Public Shared Function InternetGetCookieEx2(
    <MarshalAs(UnmanagedType.LPWStr)> pcwszUrl As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pcwszCookieName As String,   ' LPCWSTR optional
    dwFlags As UInteger,   ' DWORD
    ppCookies As IntPtr,   ' INTERNET_COOKIE2** out
    <Out> ByRef pdwCookieCount As UInteger   ' DWORD* out
) As UInteger
End Function

' pcwszUrl : LPCWSTR
' pcwszCookieName : LPCWSTR optional
' dwFlags : DWORD
' ppCookies : INTERNET_COOKIE2** out
' pdwCookieCount : DWORD* out
Declare PtrSafe Function InternetGetCookieEx2 Lib "wininet" ( _
    ByVal pcwszUrl As LongPtr, _
    ByVal pcwszCookieName As LongPtr, _
    ByVal dwFlags As Long, _
    ByVal ppCookies As LongPtr, _
    ByRef pdwCookieCount As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

InternetGetCookieEx2 = ctypes.windll.wininet.InternetGetCookieEx2
InternetGetCookieEx2.restype = wintypes.DWORD
InternetGetCookieEx2.argtypes = [
    wintypes.LPCWSTR,  # pcwszUrl : LPCWSTR
    wintypes.LPCWSTR,  # pcwszCookieName : LPCWSTR optional
    wintypes.DWORD,  # dwFlags : DWORD
    ctypes.c_void_p,  # ppCookies : INTERNET_COOKIE2** out
    ctypes.POINTER(wintypes.DWORD),  # pdwCookieCount : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
InternetGetCookieEx2 = Fiddle::Function.new(
  lib['InternetGetCookieEx2'],
  [
    Fiddle::TYPE_VOIDP,  # pcwszUrl : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pcwszCookieName : LPCWSTR optional
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # ppCookies : INTERNET_COOKIE2** out
    Fiddle::TYPE_VOIDP,  # pdwCookieCount : DWORD* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wininet")]
extern "system" {
    fn InternetGetCookieEx2(
        pcwszUrl: *const u16,  // LPCWSTR
        pcwszCookieName: *const u16,  // LPCWSTR optional
        dwFlags: u32,  // DWORD
        ppCookies: *mut *mut INTERNET_COOKIE2,  // INTERNET_COOKIE2** out
        pdwCookieCount: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WININET.dll")]
public static extern uint InternetGetCookieEx2([MarshalAs(UnmanagedType.LPWStr)] string pcwszUrl, [MarshalAs(UnmanagedType.LPWStr)] string pcwszCookieName, uint dwFlags, IntPtr ppCookies, out uint pdwCookieCount);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_InternetGetCookieEx2' -Namespace Win32 -PassThru
# $api::InternetGetCookieEx2(pcwszUrl, pcwszCookieName, dwFlags, ppCookies, pdwCookieCount)

#uselib "WININET.dll"
#func global InternetGetCookieEx2 "InternetGetCookieEx2" sptr, sptr, sptr, sptr, sptr
; InternetGetCookieEx2 pcwszUrl, pcwszCookieName, dwFlags, varptr(ppCookies), varptr(pdwCookieCount)   ; 戻り値は stat
; pcwszUrl : LPCWSTR -> "sptr"
; pcwszCookieName : LPCWSTR optional -> "sptr"
; dwFlags : DWORD -> "sptr"
; ppCookies : INTERNET_COOKIE2** out -> "sptr"
; pdwCookieCount : DWORD* out -> "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。

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

var (
	wininet = windows.NewLazySystemDLL("WININET.dll")
	procInternetGetCookieEx2 = wininet.NewProc("InternetGetCookieEx2")
)

// pcwszUrl (LPCWSTR), pcwszCookieName (LPCWSTR optional), dwFlags (DWORD), ppCookies (INTERNET_COOKIE2** out), pdwCookieCount (DWORD* out)
r1, _, err := procInternetGetCookieEx2.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pcwszUrl))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pcwszCookieName))),
	uintptr(dwFlags),
	uintptr(ppCookies),
	uintptr(pdwCookieCount),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function InternetGetCookieEx2(
  pcwszUrl: PWideChar;   // LPCWSTR
  pcwszCookieName: PWideChar;   // LPCWSTR optional
  dwFlags: DWORD;   // DWORD
  ppCookies: Pointer;   // INTERNET_COOKIE2** out
  pdwCookieCount: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'WININET.dll' name 'InternetGetCookieEx2';

result := DllCall("WININET\InternetGetCookieEx2"
    , "WStr", pcwszUrl   ; LPCWSTR
    , "WStr", pcwszCookieName   ; LPCWSTR optional
    , "UInt", dwFlags   ; DWORD
    , "Ptr", ppCookies   ; INTERNET_COOKIE2** out
    , "Ptr", pdwCookieCount   ; DWORD* out
    , "UInt")   ; return: DWORD

●InternetGetCookieEx2(pcwszUrl, pcwszCookieName, dwFlags, ppCookies, pdwCookieCount) = DLL("WININET.dll", "dword InternetGetCookieEx2(char*, char*, dword, void*, void*)")
# 呼び出し: InternetGetCookieEx2(pcwszUrl, pcwszCookieName, dwFlags, ppCookies, pdwCookieCount)
# pcwszUrl : LPCWSTR -> "char*"
# pcwszCookieName : LPCWSTR optional -> "char*"
# dwFlags : DWORD -> "dword"
# ppCookies : INTERNET_COOKIE2** out -> "void*"
# pdwCookieCount : 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)。

const std = @import("std");

extern "wininet" fn InternetGetCookieEx2(
    pcwszUrl: [*c]const u16, // LPCWSTR
    pcwszCookieName: [*c]const u16, // LPCWSTR optional
    dwFlags: u32, // DWORD
    ppCookies: [*c][*c]INTERNET_COOKIE2, // INTERNET_COOKIE2** out
    pdwCookieCount: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) u32;

proc InternetGetCookieEx2(
    pcwszUrl: WideCString,  # LPCWSTR
    pcwszCookieName: WideCString,  # LPCWSTR optional
    dwFlags: uint32,  # DWORD
    ppCookies: ptr INTERNET_COOKIE2,  # INTERNET_COOKIE2** out
    pdwCookieCount: ptr uint32  # DWORD* out
): uint32 {.importc: "InternetGetCookieEx2", stdcall, dynlib: "WININET.dll".}

pragma(lib, "wininet");
extern(Windows)
uint InternetGetCookieEx2(
    const(wchar)* pcwszUrl,   // LPCWSTR
    const(wchar)* pcwszCookieName,   // LPCWSTR optional
    uint dwFlags,   // DWORD
    INTERNET_COOKIE2** ppCookies,   // INTERNET_COOKIE2** out
    uint* pdwCookieCount   // DWORD* out
);

ccall((:InternetGetCookieEx2, "WININET.dll"), stdcall, UInt32,
      (Cwstring, Cwstring, UInt32, Ptr{INTERNET_COOKIE2}, Ptr{UInt32}),
      pcwszUrl, pcwszCookieName, dwFlags, ppCookies, pdwCookieCount)
# pcwszUrl : LPCWSTR -> Cwstring
# pcwszCookieName : LPCWSTR optional -> Cwstring
# dwFlags : DWORD -> UInt32
# ppCookies : INTERNET_COOKIE2** out -> Ptr{INTERNET_COOKIE2}
# pdwCookieCount : DWORD* out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t InternetGetCookieEx2(
    const uint16_t* pcwszUrl,
    const uint16_t* pcwszCookieName,
    uint32_t dwFlags,
    void* ppCookies,
    uint32_t* pdwCookieCount);
]]
local wininet = ffi.load("wininet")
-- wininet.InternetGetCookieEx2(pcwszUrl, pcwszCookieName, dwFlags, ppCookies, pdwCookieCount)
-- pcwszUrl : LPCWSTR
-- pcwszCookieName : LPCWSTR optional
-- dwFlags : DWORD
-- ppCookies : INTERNET_COOKIE2** out
-- pdwCookieCount : DWORD* 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。

const koffi = require('koffi');
const lib = koffi.load('WININET.dll');
const InternetGetCookieEx2 = lib.func('__stdcall', 'InternetGetCookieEx2', 'uint32_t', ['str16', 'str16', 'uint32_t', 'void *', 'uint32_t *']);
// InternetGetCookieEx2(pcwszUrl, pcwszCookieName, dwFlags, ppCookies, pdwCookieCount)
// pcwszUrl : LPCWSTR -> 'str16'
// pcwszCookieName : LPCWSTR optional -> 'str16'
// dwFlags : DWORD -> 'uint32_t'
// ppCookies : INTERNET_COOKIE2** out -> 'void *'
// pdwCookieCount : DWORD* 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("WININET.dll", {
  InternetGetCookieEx2: { parameters: ["buffer", "buffer", "u32", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.InternetGetCookieEx2(pcwszUrl, pcwszCookieName, dwFlags, ppCookies, pdwCookieCount)
// pcwszUrl : LPCWSTR -> "buffer"
// pcwszCookieName : LPCWSTR optional -> "buffer"
// dwFlags : DWORD -> "u32"
// ppCookies : INTERNET_COOKIE2** out -> "pointer"
// pdwCookieCount : DWORD* out -> "pointer"
// 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
uint32_t InternetGetCookieEx2(
    const uint16_t* pcwszUrl,
    const uint16_t* pcwszCookieName,
    uint32_t dwFlags,
    void* ppCookies,
    uint32_t* pdwCookieCount);
C, "WININET.dll");
// $ffi->InternetGetCookieEx2(pcwszUrl, pcwszCookieName, dwFlags, ppCookies, pdwCookieCount);
// pcwszUrl : LPCWSTR
// pcwszCookieName : LPCWSTR optional
// dwFlags : DWORD
// ppCookies : INTERNET_COOKIE2** out
// pdwCookieCount : DWORD* 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 Wininet extends StdCallLibrary {
    Wininet INSTANCE = Native.load("wininet", Wininet.class);
    int InternetGetCookieEx2(
        WString pcwszUrl,   // LPCWSTR
        WString pcwszCookieName,   // LPCWSTR optional
        int dwFlags,   // DWORD
        Pointer ppCookies,   // INTERNET_COOKIE2** out
        IntByReference pdwCookieCount   // DWORD* out
    );
}

@[Link("wininet")]
lib LibWININET
  fun InternetGetCookieEx2 = InternetGetCookieEx2(
    pcwszUrl : UInt16*,   # LPCWSTR
    pcwszCookieName : UInt16*,   # LPCWSTR optional
    dwFlags : UInt32,   # DWORD
    ppCookies : INTERNET_COOKIE2**,   # INTERNET_COOKIE2** out
    pdwCookieCount : UInt32*   # DWORD* out
  ) : UInt32
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 InternetGetCookieEx2Native = Uint32 Function(Pointer<Utf16>, Pointer<Utf16>, Uint32, Pointer<Void>, Pointer<Uint32>);
typedef InternetGetCookieEx2Dart = int Function(Pointer<Utf16>, Pointer<Utf16>, int, Pointer<Void>, Pointer<Uint32>);
final InternetGetCookieEx2 = DynamicLibrary.open('WININET.dll')
    .lookupFunction<InternetGetCookieEx2Native, InternetGetCookieEx2Dart>('InternetGetCookieEx2');
// pcwszUrl : LPCWSTR -> Pointer<Utf16>
// pcwszCookieName : LPCWSTR optional -> Pointer<Utf16>
// dwFlags : DWORD -> Uint32
// ppCookies : INTERNET_COOKIE2** out -> Pointer<Void>
// pdwCookieCount : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function InternetGetCookieEx2(
  pcwszUrl: PWideChar;   // LPCWSTR
  pcwszCookieName: PWideChar;   // LPCWSTR optional
  dwFlags: DWORD;   // DWORD
  ppCookies: Pointer;   // INTERNET_COOKIE2** out
  pdwCookieCount: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'WININET.dll' name 'InternetGetCookieEx2';

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

foreign import stdcall safe "InternetGetCookieEx2"
  c_InternetGetCookieEx2 :: CWString -> CWString -> Word32 -> Ptr () -> Ptr Word32 -> IO Word32
-- pcwszUrl : LPCWSTR -> CWString
-- pcwszCookieName : LPCWSTR optional -> CWString
-- dwFlags : DWORD -> Word32
-- ppCookies : INTERNET_COOKIE2** out -> Ptr ()
-- pdwCookieCount : DWORD* 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 internetgetcookieex2 =
  foreign "InternetGetCookieEx2"
    ((ptr uint16_t) @-> (ptr uint16_t) @-> uint32_t @-> (ptr void) @-> (ptr uint32_t) @-> returning uint32_t)
(* pcwszUrl : LPCWSTR -> (ptr uint16_t) *)
(* pcwszCookieName : LPCWSTR optional -> (ptr uint16_t) *)
(* dwFlags : DWORD -> uint32_t *)
(* ppCookies : INTERNET_COOKIE2** out -> (ptr void) *)
(* pdwCookieCount : DWORD* 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 wininet (t "WININET.dll"))
(cffi:use-foreign-library wininet)

(cffi:defcfun ("InternetGetCookieEx2" internet-get-cookie-ex2 :convention :stdcall) :uint32
  (pcwsz-url (:string :encoding :utf-16le))   ; LPCWSTR
  (pcwsz-cookie-name (:string :encoding :utf-16le))   ; LPCWSTR optional
  (dw-flags :uint32)   ; DWORD
  (pp-cookies :pointer)   ; INTERNET_COOKIE2** out
  (pdw-cookie-count :pointer))   ; DWORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $InternetGetCookieEx2 = Win32::API::More->new('WININET',
    'DWORD InternetGetCookieEx2(LPCWSTR pcwszUrl, LPCWSTR pcwszCookieName, DWORD dwFlags, LPVOID ppCookies, LPVOID pdwCookieCount)');
# my $ret = $InternetGetCookieEx2->Call($pcwszUrl, $pcwszCookieName, $dwFlags, $ppCookies, $pdwCookieCount);
# pcwszUrl : LPCWSTR -> LPCWSTR
# pcwszCookieName : LPCWSTR optional -> LPCWSTR
# dwFlags : DWORD -> DWORD
# ppCookies : INTERNET_COOKIE2** out -> LPVOID
# pdwCookieCount : DWORD* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。