FindFirstUrlCacheEntryExW

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

HANDLE FindFirstUrlCacheEntryExW(
    LPCWSTR lpszUrlSearchPattern,   // optional
    DWORD dwFlags,
    DWORD dwFilter,
    LONGLONG GroupId,
    INTERNET_CACHE_ENTRY_INFOW* lpFirstCacheEntryInfo,   // optional
    DWORD* lpcbCacheEntryInfo,
    void* lpGroupAttributes,   // optional
    DWORD* lpcbGroupAttributes,   // optional
    void* lpReserved   // optional
);

<DllImport("WININET.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function FindFirstUrlCacheEntryExW(
    <MarshalAs(UnmanagedType.LPWStr)> lpszUrlSearchPattern As String,   ' LPCWSTR optional
    dwFlags As UInteger,   ' DWORD
    dwFilter As UInteger,   ' DWORD
    GroupId As Long,   ' LONGLONG
    lpFirstCacheEntryInfo As IntPtr,   ' INTERNET_CACHE_ENTRY_INFOW* optional, in/out
    ByRef lpcbCacheEntryInfo As UInteger,   ' DWORD* in/out
    lpGroupAttributes As IntPtr,   ' void* optional
    lpcbGroupAttributes As IntPtr,   ' DWORD* optional
    lpReserved As IntPtr   ' void* optional
) As IntPtr
End Function

' lpszUrlSearchPattern : LPCWSTR optional
' dwFlags : DWORD
' dwFilter : DWORD
' GroupId : LONGLONG
' lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out
' lpcbCacheEntryInfo : DWORD* in/out
' lpGroupAttributes : void* optional
' lpcbGroupAttributes : DWORD* optional
' lpReserved : void* optional
Declare PtrSafe Function FindFirstUrlCacheEntryExW Lib "wininet" ( _
    ByVal lpszUrlSearchPattern As LongPtr, _
    ByVal dwFlags As Long, _
    ByVal dwFilter As Long, _
    ByVal GroupId As LongLong, _
    ByVal lpFirstCacheEntryInfo As LongPtr, _
    ByRef lpcbCacheEntryInfo As Long, _
    ByVal lpGroupAttributes As LongPtr, _
    ByVal lpcbGroupAttributes As LongPtr, _
    ByVal lpReserved As LongPtr) As LongPtr
' 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

FindFirstUrlCacheEntryExW = ctypes.windll.wininet.FindFirstUrlCacheEntryExW
FindFirstUrlCacheEntryExW.restype = ctypes.c_void_p
FindFirstUrlCacheEntryExW.argtypes = [
    wintypes.LPCWSTR,  # lpszUrlSearchPattern : LPCWSTR optional
    wintypes.DWORD,  # dwFlags : DWORD
    wintypes.DWORD,  # dwFilter : DWORD
    ctypes.c_longlong,  # GroupId : LONGLONG
    ctypes.c_void_p,  # lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out
    ctypes.POINTER(wintypes.DWORD),  # lpcbCacheEntryInfo : DWORD* in/out
    ctypes.POINTER(None),  # lpGroupAttributes : void* optional
    ctypes.POINTER(wintypes.DWORD),  # lpcbGroupAttributes : DWORD* optional
    ctypes.POINTER(None),  # lpReserved : void* optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
FindFirstUrlCacheEntryExW = Fiddle::Function.new(
  lib['FindFirstUrlCacheEntryExW'],
  [
    Fiddle::TYPE_VOIDP,  # lpszUrlSearchPattern : LPCWSTR optional
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    -Fiddle::TYPE_INT,  # dwFilter : DWORD
    Fiddle::TYPE_LONG_LONG,  # GroupId : LONGLONG
    Fiddle::TYPE_VOIDP,  # lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out
    Fiddle::TYPE_VOIDP,  # lpcbCacheEntryInfo : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # lpGroupAttributes : void* optional
    Fiddle::TYPE_VOIDP,  # lpcbGroupAttributes : DWORD* optional
    Fiddle::TYPE_VOIDP,  # lpReserved : void* optional
  ],
  Fiddle::TYPE_VOIDP)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "wininet")]
extern "system" {
    fn FindFirstUrlCacheEntryExW(
        lpszUrlSearchPattern: *const u16,  // LPCWSTR optional
        dwFlags: u32,  // DWORD
        dwFilter: u32,  // DWORD
        GroupId: i64,  // LONGLONG
        lpFirstCacheEntryInfo: *mut INTERNET_CACHE_ENTRY_INFOW,  // INTERNET_CACHE_ENTRY_INFOW* optional, in/out
        lpcbCacheEntryInfo: *mut u32,  // DWORD* in/out
        lpGroupAttributes: *mut (),  // void* optional
        lpcbGroupAttributes: *mut u32,  // DWORD* optional
        lpReserved: *mut ()  // void* optional
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WININET.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern IntPtr FindFirstUrlCacheEntryExW([MarshalAs(UnmanagedType.LPWStr)] string lpszUrlSearchPattern, uint dwFlags, uint dwFilter, long GroupId, IntPtr lpFirstCacheEntryInfo, ref uint lpcbCacheEntryInfo, IntPtr lpGroupAttributes, IntPtr lpcbGroupAttributes, IntPtr lpReserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_FindFirstUrlCacheEntryExW' -Namespace Win32 -PassThru
# $api::FindFirstUrlCacheEntryExW(lpszUrlSearchPattern, dwFlags, dwFilter, GroupId, lpFirstCacheEntryInfo, lpcbCacheEntryInfo, lpGroupAttributes, lpcbGroupAttributes, lpReserved)

#uselib "WININET.dll"
#func global FindFirstUrlCacheEntryExW "FindFirstUrlCacheEntryExW" wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr
; FindFirstUrlCacheEntryExW lpszUrlSearchPattern, dwFlags, dwFilter, GroupId, varptr(lpFirstCacheEntryInfo), varptr(lpcbCacheEntryInfo), lpGroupAttributes, varptr(lpcbGroupAttributes), lpReserved   ; 戻り値は stat
; lpszUrlSearchPattern : LPCWSTR optional -> "wptr"
; dwFlags : DWORD -> "wptr"
; dwFilter : DWORD -> "wptr"
; GroupId : LONGLONG -> "wptr"
; lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out -> "wptr"
; lpcbCacheEntryInfo : DWORD* in/out -> "wptr"
; lpGroupAttributes : void* optional -> "wptr"
; lpcbGroupAttributes : DWORD* optional -> "wptr"
; lpReserved : void* optional -> "wptr"
; ※HSP3.7は int64 引数(64bit値渡し)に非対応です。
; ※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")
	procFindFirstUrlCacheEntryExW = wininet.NewProc("FindFirstUrlCacheEntryExW")
)

// lpszUrlSearchPattern (LPCWSTR optional), dwFlags (DWORD), dwFilter (DWORD), GroupId (LONGLONG), lpFirstCacheEntryInfo (INTERNET_CACHE_ENTRY_INFOW* optional, in/out), lpcbCacheEntryInfo (DWORD* in/out), lpGroupAttributes (void* optional), lpcbGroupAttributes (DWORD* optional), lpReserved (void* optional)
r1, _, err := procFindFirstUrlCacheEntryExW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszUrlSearchPattern))),
	uintptr(dwFlags),
	uintptr(dwFilter),
	uintptr(GroupId),
	uintptr(lpFirstCacheEntryInfo),
	uintptr(lpcbCacheEntryInfo),
	uintptr(lpGroupAttributes),
	uintptr(lpcbGroupAttributes),
	uintptr(lpReserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HANDLE

function FindFirstUrlCacheEntryExW(
  lpszUrlSearchPattern: PWideChar;   // LPCWSTR optional
  dwFlags: DWORD;   // DWORD
  dwFilter: DWORD;   // DWORD
  GroupId: Int64;   // LONGLONG
  lpFirstCacheEntryInfo: Pointer;   // INTERNET_CACHE_ENTRY_INFOW* optional, in/out
  lpcbCacheEntryInfo: Pointer;   // DWORD* in/out
  lpGroupAttributes: Pointer;   // void* optional
  lpcbGroupAttributes: Pointer;   // DWORD* optional
  lpReserved: Pointer   // void* optional
): THandle; stdcall;
  external 'WININET.dll' name 'FindFirstUrlCacheEntryExW';

result := DllCall("WININET\FindFirstUrlCacheEntryExW"
    , "WStr", lpszUrlSearchPattern   ; LPCWSTR optional
    , "UInt", dwFlags   ; DWORD
    , "UInt", dwFilter   ; DWORD
    , "Int64", GroupId   ; LONGLONG
    , "Ptr", lpFirstCacheEntryInfo   ; INTERNET_CACHE_ENTRY_INFOW* optional, in/out
    , "Ptr", lpcbCacheEntryInfo   ; DWORD* in/out
    , "Ptr", lpGroupAttributes   ; void* optional
    , "Ptr", lpcbGroupAttributes   ; DWORD* optional
    , "Ptr", lpReserved   ; void* optional
    , "Ptr")   ; return: HANDLE

●FindFirstUrlCacheEntryExW(lpszUrlSearchPattern, dwFlags, dwFilter, GroupId, lpFirstCacheEntryInfo, lpcbCacheEntryInfo, lpGroupAttributes, lpcbGroupAttributes, lpReserved) = DLL("WININET.dll", "void* FindFirstUrlCacheEntryExW(char*, dword, dword, int64, void*, void*, void*, void*, void*)")
# 呼び出し: FindFirstUrlCacheEntryExW(lpszUrlSearchPattern, dwFlags, dwFilter, GroupId, lpFirstCacheEntryInfo, lpcbCacheEntryInfo, lpGroupAttributes, lpcbGroupAttributes, lpReserved)
# lpszUrlSearchPattern : LPCWSTR optional -> "char*"
# dwFlags : DWORD -> "dword"
# dwFilter : DWORD -> "dword"
# GroupId : LONGLONG -> "int64"
# lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out -> "void*"
# lpcbCacheEntryInfo : DWORD* in/out -> "void*"
# lpGroupAttributes : void* optional -> "void*"
# lpcbGroupAttributes : DWORD* optional -> "void*"
# lpReserved : void* optional -> "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 "wininet" fn FindFirstUrlCacheEntryExW(
    lpszUrlSearchPattern: [*c]const u16, // LPCWSTR optional
    dwFlags: u32, // DWORD
    dwFilter: u32, // DWORD
    GroupId: i64, // LONGLONG
    lpFirstCacheEntryInfo: [*c]INTERNET_CACHE_ENTRY_INFOW, // INTERNET_CACHE_ENTRY_INFOW* optional, in/out
    lpcbCacheEntryInfo: [*c]u32, // DWORD* in/out
    lpGroupAttributes: ?*anyopaque, // void* optional
    lpcbGroupAttributes: [*c]u32, // DWORD* optional
    lpReserved: ?*anyopaque // void* optional
) callconv(std.os.windows.WINAPI) ?*anyopaque;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc FindFirstUrlCacheEntryExW(
    lpszUrlSearchPattern: WideCString,  # LPCWSTR optional
    dwFlags: uint32,  # DWORD
    dwFilter: uint32,  # DWORD
    GroupId: int64,  # LONGLONG
    lpFirstCacheEntryInfo: ptr INTERNET_CACHE_ENTRY_INFOW,  # INTERNET_CACHE_ENTRY_INFOW* optional, in/out
    lpcbCacheEntryInfo: ptr uint32,  # DWORD* in/out
    lpGroupAttributes: pointer,  # void* optional
    lpcbGroupAttributes: ptr uint32,  # DWORD* optional
    lpReserved: pointer  # void* optional
): pointer {.importc: "FindFirstUrlCacheEntryExW", stdcall, dynlib: "WININET.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "wininet");
extern(Windows)
void* FindFirstUrlCacheEntryExW(
    const(wchar)* lpszUrlSearchPattern,   // LPCWSTR optional
    uint dwFlags,   // DWORD
    uint dwFilter,   // DWORD
    long GroupId,   // LONGLONG
    INTERNET_CACHE_ENTRY_INFOW* lpFirstCacheEntryInfo,   // INTERNET_CACHE_ENTRY_INFOW* optional, in/out
    uint* lpcbCacheEntryInfo,   // DWORD* in/out
    void* lpGroupAttributes,   // void* optional
    uint* lpcbGroupAttributes,   // DWORD* optional
    void* lpReserved   // void* optional
);

ccall((:FindFirstUrlCacheEntryExW, "WININET.dll"), stdcall, Ptr{Cvoid},
      (Cwstring, UInt32, UInt32, Int64, Ptr{INTERNET_CACHE_ENTRY_INFOW}, Ptr{UInt32}, Ptr{Cvoid}, Ptr{UInt32}, Ptr{Cvoid}),
      lpszUrlSearchPattern, dwFlags, dwFilter, GroupId, lpFirstCacheEntryInfo, lpcbCacheEntryInfo, lpGroupAttributes, lpcbGroupAttributes, lpReserved)
# lpszUrlSearchPattern : LPCWSTR optional -> Cwstring
# dwFlags : DWORD -> UInt32
# dwFilter : DWORD -> UInt32
# GroupId : LONGLONG -> Int64
# lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out -> Ptr{INTERNET_CACHE_ENTRY_INFOW}
# lpcbCacheEntryInfo : DWORD* in/out -> Ptr{UInt32}
# lpGroupAttributes : void* optional -> Ptr{Cvoid}
# lpcbGroupAttributes : DWORD* optional -> Ptr{UInt32}
# lpReserved : void* optional -> Ptr{Cvoid}
# 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[[
void* FindFirstUrlCacheEntryExW(
    const uint16_t* lpszUrlSearchPattern,
    uint32_t dwFlags,
    uint32_t dwFilter,
    int64_t GroupId,
    void* lpFirstCacheEntryInfo,
    uint32_t* lpcbCacheEntryInfo,
    void* lpGroupAttributes,
    uint32_t* lpcbGroupAttributes,
    void* lpReserved);
]]
local wininet = ffi.load("wininet")
-- wininet.FindFirstUrlCacheEntryExW(lpszUrlSearchPattern, dwFlags, dwFilter, GroupId, lpFirstCacheEntryInfo, lpcbCacheEntryInfo, lpGroupAttributes, lpcbGroupAttributes, lpReserved)
-- lpszUrlSearchPattern : LPCWSTR optional
-- dwFlags : DWORD
-- dwFilter : DWORD
-- GroupId : LONGLONG
-- lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out
-- lpcbCacheEntryInfo : DWORD* in/out
-- lpGroupAttributes : void* optional
-- lpcbGroupAttributes : DWORD* optional
-- lpReserved : void* optional
-- 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('WININET.dll');
const FindFirstUrlCacheEntryExW = lib.func('__stdcall', 'FindFirstUrlCacheEntryExW', 'void *', ['str16', 'uint32_t', 'uint32_t', 'int64_t', 'void *', 'uint32_t *', 'void *', 'uint32_t *', 'void *']);
// FindFirstUrlCacheEntryExW(lpszUrlSearchPattern, dwFlags, dwFilter, GroupId, lpFirstCacheEntryInfo, lpcbCacheEntryInfo, lpGroupAttributes, lpcbGroupAttributes, lpReserved)
// lpszUrlSearchPattern : LPCWSTR optional -> 'str16'
// dwFlags : DWORD -> 'uint32_t'
// dwFilter : DWORD -> 'uint32_t'
// GroupId : LONGLONG -> 'int64_t'
// lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out -> 'void *'
// lpcbCacheEntryInfo : DWORD* in/out -> 'uint32_t *'
// lpGroupAttributes : void* optional -> 'void *'
// lpcbGroupAttributes : DWORD* optional -> 'uint32_t *'
// lpReserved : void* optional -> 'void *'
// 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", {
  FindFirstUrlCacheEntryExW: { parameters: ["buffer", "u32", "u32", "i64", "pointer", "pointer", "pointer", "pointer", "pointer"], result: "pointer" },
});
// lib.symbols.FindFirstUrlCacheEntryExW(lpszUrlSearchPattern, dwFlags, dwFilter, GroupId, lpFirstCacheEntryInfo, lpcbCacheEntryInfo, lpGroupAttributes, lpcbGroupAttributes, lpReserved)
// lpszUrlSearchPattern : LPCWSTR optional -> "buffer"
// dwFlags : DWORD -> "u32"
// dwFilter : DWORD -> "u32"
// GroupId : LONGLONG -> "i64"
// lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out -> "pointer"
// lpcbCacheEntryInfo : DWORD* in/out -> "pointer"
// lpGroupAttributes : void* optional -> "pointer"
// lpcbGroupAttributes : DWORD* optional -> "pointer"
// lpReserved : void* optional -> "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
void* FindFirstUrlCacheEntryExW(
    const uint16_t* lpszUrlSearchPattern,
    uint32_t dwFlags,
    uint32_t dwFilter,
    int64_t GroupId,
    void* lpFirstCacheEntryInfo,
    uint32_t* lpcbCacheEntryInfo,
    void* lpGroupAttributes,
    uint32_t* lpcbGroupAttributes,
    void* lpReserved);
C, "WININET.dll");
// $ffi->FindFirstUrlCacheEntryExW(lpszUrlSearchPattern, dwFlags, dwFilter, GroupId, lpFirstCacheEntryInfo, lpcbCacheEntryInfo, lpGroupAttributes, lpcbGroupAttributes, lpReserved);
// lpszUrlSearchPattern : LPCWSTR optional
// dwFlags : DWORD
// dwFilter : DWORD
// GroupId : LONGLONG
// lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out
// lpcbCacheEntryInfo : DWORD* in/out
// lpGroupAttributes : void* optional
// lpcbGroupAttributes : DWORD* optional
// lpReserved : void* optional
// 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, W32APIOptions.UNICODE_OPTIONS);
    Pointer FindFirstUrlCacheEntryExW(
        WString lpszUrlSearchPattern,   // LPCWSTR optional
        int dwFlags,   // DWORD
        int dwFilter,   // DWORD
        long GroupId,   // LONGLONG
        Pointer lpFirstCacheEntryInfo,   // INTERNET_CACHE_ENTRY_INFOW* optional, in/out
        IntByReference lpcbCacheEntryInfo,   // DWORD* in/out
        Pointer lpGroupAttributes,   // void* optional
        IntByReference lpcbGroupAttributes,   // DWORD* optional
        Pointer lpReserved   // void* optional
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("wininet")]
lib LibWININET
  fun FindFirstUrlCacheEntryExW = FindFirstUrlCacheEntryExW(
    lpszUrlSearchPattern : UInt16*,   # LPCWSTR optional
    dwFlags : UInt32,   # DWORD
    dwFilter : UInt32,   # DWORD
    GroupId : Int64,   # LONGLONG
    lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW*,   # INTERNET_CACHE_ENTRY_INFOW* optional, in/out
    lpcbCacheEntryInfo : UInt32*,   # DWORD* in/out
    lpGroupAttributes : Void*,   # void* optional
    lpcbGroupAttributes : UInt32*,   # DWORD* optional
    lpReserved : Void*   # void* optional
  ) : Void*
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 FindFirstUrlCacheEntryExWNative = Pointer<Void> Function(Pointer<Utf16>, Uint32, Uint32, Int64, Pointer<Void>, Pointer<Uint32>, Pointer<Void>, Pointer<Uint32>, Pointer<Void>);
typedef FindFirstUrlCacheEntryExWDart = Pointer<Void> Function(Pointer<Utf16>, int, int, int, Pointer<Void>, Pointer<Uint32>, Pointer<Void>, Pointer<Uint32>, Pointer<Void>);
final FindFirstUrlCacheEntryExW = DynamicLibrary.open('WININET.dll')
    .lookupFunction<FindFirstUrlCacheEntryExWNative, FindFirstUrlCacheEntryExWDart>('FindFirstUrlCacheEntryExW');
// lpszUrlSearchPattern : LPCWSTR optional -> Pointer<Utf16>
// dwFlags : DWORD -> Uint32
// dwFilter : DWORD -> Uint32
// GroupId : LONGLONG -> Int64
// lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out -> Pointer<Void>
// lpcbCacheEntryInfo : DWORD* in/out -> Pointer<Uint32>
// lpGroupAttributes : void* optional -> Pointer<Void>
// lpcbGroupAttributes : DWORD* optional -> Pointer<Uint32>
// lpReserved : void* optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function FindFirstUrlCacheEntryExW(
  lpszUrlSearchPattern: PWideChar;   // LPCWSTR optional
  dwFlags: DWORD;   // DWORD
  dwFilter: DWORD;   // DWORD
  GroupId: Int64;   // LONGLONG
  lpFirstCacheEntryInfo: Pointer;   // INTERNET_CACHE_ENTRY_INFOW* optional, in/out
  lpcbCacheEntryInfo: Pointer;   // DWORD* in/out
  lpGroupAttributes: Pointer;   // void* optional
  lpcbGroupAttributes: Pointer;   // DWORD* optional
  lpReserved: Pointer   // void* optional
): THandle; stdcall;
  external 'WININET.dll' name 'FindFirstUrlCacheEntryExW';

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

foreign import stdcall safe "FindFirstUrlCacheEntryExW"
  c_FindFirstUrlCacheEntryExW :: CWString -> Word32 -> Word32 -> Int64 -> Ptr () -> Ptr Word32 -> Ptr () -> Ptr Word32 -> Ptr () -> IO (Ptr ())
-- lpszUrlSearchPattern : LPCWSTR optional -> CWString
-- dwFlags : DWORD -> Word32
-- dwFilter : DWORD -> Word32
-- GroupId : LONGLONG -> Int64
-- lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out -> Ptr ()
-- lpcbCacheEntryInfo : DWORD* in/out -> Ptr Word32
-- lpGroupAttributes : void* optional -> Ptr ()
-- lpcbGroupAttributes : DWORD* optional -> Ptr Word32
-- lpReserved : void* optional -> Ptr ()
-- 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 findfirsturlcacheentryexw =
  foreign "FindFirstUrlCacheEntryExW"
    ((ptr uint16_t) @-> uint32_t @-> uint32_t @-> int64_t @-> (ptr void) @-> (ptr uint32_t) @-> (ptr void) @-> (ptr uint32_t) @-> (ptr void) @-> returning (ptr void))
(* lpszUrlSearchPattern : LPCWSTR optional -> (ptr uint16_t) *)
(* dwFlags : DWORD -> uint32_t *)
(* dwFilter : DWORD -> uint32_t *)
(* GroupId : LONGLONG -> int64_t *)
(* lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out -> (ptr void) *)
(* lpcbCacheEntryInfo : DWORD* in/out -> (ptr uint32_t) *)
(* lpGroupAttributes : void* optional -> (ptr void) *)
(* lpcbGroupAttributes : DWORD* optional -> (ptr uint32_t) *)
(* lpReserved : void* optional -> (ptr void) *)
(* 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 ("FindFirstUrlCacheEntryExW" find-first-url-cache-entry-ex-w :convention :stdcall) :pointer
  (lpsz-url-search-pattern (:string :encoding :utf-16le))   ; LPCWSTR optional
  (dw-flags :uint32)   ; DWORD
  (dw-filter :uint32)   ; DWORD
  (group-id :int64)   ; LONGLONG
  (lp-first-cache-entry-info :pointer)   ; INTERNET_CACHE_ENTRY_INFOW* optional, in/out
  (lpcb-cache-entry-info :pointer)   ; DWORD* in/out
  (lp-group-attributes :pointer)   ; void* optional
  (lpcb-group-attributes :pointer)   ; DWORD* optional
  (lp-reserved :pointer))   ; void* optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $FindFirstUrlCacheEntryExW = Win32::API::More->new('WININET',
    'HANDLE FindFirstUrlCacheEntryExW(LPCWSTR lpszUrlSearchPattern, DWORD dwFlags, DWORD dwFilter, INT64 GroupId, LPVOID lpFirstCacheEntryInfo, LPVOID lpcbCacheEntryInfo, LPVOID lpGroupAttributes, LPVOID lpcbGroupAttributes, LPVOID lpReserved)');
# my $ret = $FindFirstUrlCacheEntryExW->Call($lpszUrlSearchPattern, $dwFlags, $dwFilter, $GroupId, $lpFirstCacheEntryInfo, $lpcbCacheEntryInfo, $lpGroupAttributes, $lpcbGroupAttributes, $lpReserved);
# lpszUrlSearchPattern : LPCWSTR optional -> LPCWSTR
# dwFlags : DWORD -> DWORD
# dwFilter : DWORD -> DWORD
# GroupId : LONGLONG -> INT64
# lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out -> LPVOID
# lpcbCacheEntryInfo : DWORD* in/out -> LPVOID
# lpGroupAttributes : void* optional -> LPVOID
# lpcbGroupAttributes : DWORD* optional -> LPVOID
# lpReserved : void* optional -> 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。