FindFirstUrlCacheEntryExA

// WININET.dll  (ANSI / -A)
#include <windows.h>

HANDLE FindFirstUrlCacheEntryExA(
    LPCSTR lpszUrlSearchPattern,   // optional
    DWORD dwFlags,
    DWORD dwFilter,
    LONGLONG GroupId,
    INTERNET_CACHE_ENTRY_INFOA* lpFirstCacheEntryInfo,   // optional
    DWORD* lpcbCacheEntryInfo,
    void* lpGroupAttributes,   // optional
    DWORD* lpcbGroupAttributes,   // optional
    void* lpReserved   // optional
);

<DllImport("WININET.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function FindFirstUrlCacheEntryExA(
    <MarshalAs(UnmanagedType.LPStr)> lpszUrlSearchPattern As String,   ' LPCSTR optional
    dwFlags As UInteger,   ' DWORD
    dwFilter As UInteger,   ' DWORD
    GroupId As Long,   ' LONGLONG
    lpFirstCacheEntryInfo As IntPtr,   ' INTERNET_CACHE_ENTRY_INFOA* 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 : LPCSTR optional
' dwFlags : DWORD
' dwFilter : DWORD
' GroupId : LONGLONG
' lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* optional, in/out
' lpcbCacheEntryInfo : DWORD* in/out
' lpGroupAttributes : void* optional
' lpcbGroupAttributes : DWORD* optional
' lpReserved : void* optional
Declare PtrSafe Function FindFirstUrlCacheEntryExA Lib "wininet" ( _
    ByVal lpszUrlSearchPattern As String, _
    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
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

FindFirstUrlCacheEntryExA = ctypes.windll.wininet.FindFirstUrlCacheEntryExA
FindFirstUrlCacheEntryExA.restype = ctypes.c_void_p
FindFirstUrlCacheEntryExA.argtypes = [
    wintypes.LPCSTR,  # lpszUrlSearchPattern : LPCSTR optional
    wintypes.DWORD,  # dwFlags : DWORD
    wintypes.DWORD,  # dwFilter : DWORD
    ctypes.c_longlong,  # GroupId : LONGLONG
    ctypes.c_void_p,  # lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* 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')
FindFirstUrlCacheEntryExA = Fiddle::Function.new(
  lib['FindFirstUrlCacheEntryExA'],
  [
    Fiddle::TYPE_VOIDP,  # lpszUrlSearchPattern : LPCSTR optional
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    -Fiddle::TYPE_INT,  # dwFilter : DWORD
    Fiddle::TYPE_LONG_LONG,  # GroupId : LONGLONG
    Fiddle::TYPE_VOIDP,  # lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* 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)

#[link(name = "wininet")]
extern "system" {
    fn FindFirstUrlCacheEntryExA(
        lpszUrlSearchPattern: *const u8,  // LPCSTR optional
        dwFlags: u32,  // DWORD
        dwFilter: u32,  // DWORD
        GroupId: i64,  // LONGLONG
        lpFirstCacheEntryInfo: *mut INTERNET_CACHE_ENTRY_INFOA,  // INTERNET_CACHE_ENTRY_INFOA* 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.Ansi, SetLastError = true)]
public static extern IntPtr FindFirstUrlCacheEntryExA([MarshalAs(UnmanagedType.LPStr)] 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_FindFirstUrlCacheEntryExA' -Namespace Win32 -PassThru
# $api::FindFirstUrlCacheEntryExA(lpszUrlSearchPattern, dwFlags, dwFilter, GroupId, lpFirstCacheEntryInfo, lpcbCacheEntryInfo, lpGroupAttributes, lpcbGroupAttributes, lpReserved)

#uselib "WININET.dll"
#func global FindFirstUrlCacheEntryExA "FindFirstUrlCacheEntryExA" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; FindFirstUrlCacheEntryExA lpszUrlSearchPattern, dwFlags, dwFilter, GroupId, varptr(lpFirstCacheEntryInfo), varptr(lpcbCacheEntryInfo), lpGroupAttributes, varptr(lpcbGroupAttributes), lpReserved   ; 戻り値は stat
; lpszUrlSearchPattern : LPCSTR optional -> "sptr"
; dwFlags : DWORD -> "sptr"
; dwFilter : DWORD -> "sptr"
; GroupId : LONGLONG -> "sptr"
; lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* optional, in/out -> "sptr"
; lpcbCacheEntryInfo : DWORD* in/out -> "sptr"
; lpGroupAttributes : void* optional -> "sptr"
; lpcbGroupAttributes : DWORD* optional -> "sptr"
; lpReserved : void* optional -> "sptr"
; ※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")
	procFindFirstUrlCacheEntryExA = wininet.NewProc("FindFirstUrlCacheEntryExA")
)

// lpszUrlSearchPattern (LPCSTR optional), dwFlags (DWORD), dwFilter (DWORD), GroupId (LONGLONG), lpFirstCacheEntryInfo (INTERNET_CACHE_ENTRY_INFOA* optional, in/out), lpcbCacheEntryInfo (DWORD* in/out), lpGroupAttributes (void* optional), lpcbGroupAttributes (DWORD* optional), lpReserved (void* optional)
r1, _, err := procFindFirstUrlCacheEntryExA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(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 FindFirstUrlCacheEntryExA(
  lpszUrlSearchPattern: PAnsiChar;   // LPCSTR optional
  dwFlags: DWORD;   // DWORD
  dwFilter: DWORD;   // DWORD
  GroupId: Int64;   // LONGLONG
  lpFirstCacheEntryInfo: Pointer;   // INTERNET_CACHE_ENTRY_INFOA* 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 'FindFirstUrlCacheEntryExA';

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

●FindFirstUrlCacheEntryExA(lpszUrlSearchPattern, dwFlags, dwFilter, GroupId, lpFirstCacheEntryInfo, lpcbCacheEntryInfo, lpGroupAttributes, lpcbGroupAttributes, lpReserved) = DLL("WININET.dll", "void* FindFirstUrlCacheEntryExA(char*, dword, dword, int64, void*, void*, void*, void*, void*)")
# 呼び出し: FindFirstUrlCacheEntryExA(lpszUrlSearchPattern, dwFlags, dwFilter, GroupId, lpFirstCacheEntryInfo, lpcbCacheEntryInfo, lpGroupAttributes, lpcbGroupAttributes, lpReserved)
# lpszUrlSearchPattern : LPCSTR optional -> "char*"
# dwFlags : DWORD -> "dword"
# dwFilter : DWORD -> "dword"
# GroupId : LONGLONG -> "int64"
# lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* 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)。

const std = @import("std");

extern "wininet" fn FindFirstUrlCacheEntryExA(
    lpszUrlSearchPattern: [*c]const u8, // LPCSTR optional
    dwFlags: u32, // DWORD
    dwFilter: u32, // DWORD
    GroupId: i64, // LONGLONG
    lpFirstCacheEntryInfo: [*c]INTERNET_CACHE_ENTRY_INFOA, // INTERNET_CACHE_ENTRY_INFOA* 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;

proc FindFirstUrlCacheEntryExA(
    lpszUrlSearchPattern: cstring,  # LPCSTR optional
    dwFlags: uint32,  # DWORD
    dwFilter: uint32,  # DWORD
    GroupId: int64,  # LONGLONG
    lpFirstCacheEntryInfo: ptr INTERNET_CACHE_ENTRY_INFOA,  # INTERNET_CACHE_ENTRY_INFOA* optional, in/out
    lpcbCacheEntryInfo: ptr uint32,  # DWORD* in/out
    lpGroupAttributes: pointer,  # void* optional
    lpcbGroupAttributes: ptr uint32,  # DWORD* optional
    lpReserved: pointer  # void* optional
): pointer {.importc: "FindFirstUrlCacheEntryExA", stdcall, dynlib: "WININET.dll".}

pragma(lib, "wininet");
extern(Windows)
void* FindFirstUrlCacheEntryExA(
    const(char)* lpszUrlSearchPattern,   // LPCSTR optional
    uint dwFlags,   // DWORD
    uint dwFilter,   // DWORD
    long GroupId,   // LONGLONG
    INTERNET_CACHE_ENTRY_INFOA* lpFirstCacheEntryInfo,   // INTERNET_CACHE_ENTRY_INFOA* optional, in/out
    uint* lpcbCacheEntryInfo,   // DWORD* in/out
    void* lpGroupAttributes,   // void* optional
    uint* lpcbGroupAttributes,   // DWORD* optional
    void* lpReserved   // void* optional
);

ccall((:FindFirstUrlCacheEntryExA, "WININET.dll"), stdcall, Ptr{Cvoid},
      (Cstring, UInt32, UInt32, Int64, Ptr{INTERNET_CACHE_ENTRY_INFOA}, Ptr{UInt32}, Ptr{Cvoid}, Ptr{UInt32}, Ptr{Cvoid}),
      lpszUrlSearchPattern, dwFlags, dwFilter, GroupId, lpFirstCacheEntryInfo, lpcbCacheEntryInfo, lpGroupAttributes, lpcbGroupAttributes, lpReserved)
# lpszUrlSearchPattern : LPCSTR optional -> Cstring
# dwFlags : DWORD -> UInt32
# dwFilter : DWORD -> UInt32
# GroupId : LONGLONG -> Int64
# lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* optional, in/out -> Ptr{INTERNET_CACHE_ENTRY_INFOA}
# 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)。

local ffi = require("ffi")
ffi.cdef[[
void* FindFirstUrlCacheEntryExA(
    const char* 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.FindFirstUrlCacheEntryExA(lpszUrlSearchPattern, dwFlags, dwFilter, GroupId, lpFirstCacheEntryInfo, lpcbCacheEntryInfo, lpGroupAttributes, lpcbGroupAttributes, lpReserved)
-- lpszUrlSearchPattern : LPCSTR optional
-- dwFlags : DWORD
-- dwFilter : DWORD
-- GroupId : LONGLONG
-- lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* 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。

const koffi = require('koffi');
const lib = koffi.load('WININET.dll');
const FindFirstUrlCacheEntryExA = lib.func('__stdcall', 'FindFirstUrlCacheEntryExA', 'void *', ['str', 'uint32_t', 'uint32_t', 'int64_t', 'void *', 'uint32_t *', 'void *', 'uint32_t *', 'void *']);
// FindFirstUrlCacheEntryExA(lpszUrlSearchPattern, dwFlags, dwFilter, GroupId, lpFirstCacheEntryInfo, lpcbCacheEntryInfo, lpGroupAttributes, lpcbGroupAttributes, lpReserved)
// lpszUrlSearchPattern : LPCSTR optional -> 'str'
// dwFlags : DWORD -> 'uint32_t'
// dwFilter : DWORD -> 'uint32_t'
// GroupId : LONGLONG -> 'int64_t'
// lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* 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", {
  FindFirstUrlCacheEntryExA: { parameters: ["buffer", "u32", "u32", "i64", "pointer", "pointer", "pointer", "pointer", "pointer"], result: "pointer" },
});
// lib.symbols.FindFirstUrlCacheEntryExA(lpszUrlSearchPattern, dwFlags, dwFilter, GroupId, lpFirstCacheEntryInfo, lpcbCacheEntryInfo, lpGroupAttributes, lpcbGroupAttributes, lpReserved)
// lpszUrlSearchPattern : LPCSTR optional -> "buffer"
// dwFlags : DWORD -> "u32"
// dwFilter : DWORD -> "u32"
// GroupId : LONGLONG -> "i64"
// lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* 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"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
void* FindFirstUrlCacheEntryExA(
    const char* 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->FindFirstUrlCacheEntryExA(lpszUrlSearchPattern, dwFlags, dwFilter, GroupId, lpFirstCacheEntryInfo, lpcbCacheEntryInfo, lpGroupAttributes, lpcbGroupAttributes, lpReserved);
// lpszUrlSearchPattern : LPCSTR optional
// dwFlags : DWORD
// dwFilter : DWORD
// GroupId : LONGLONG
// lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* 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.ASCII_OPTIONS);
    Pointer FindFirstUrlCacheEntryExA(
        String lpszUrlSearchPattern,   // LPCSTR optional
        int dwFlags,   // DWORD
        int dwFilter,   // DWORD
        long GroupId,   // LONGLONG
        Pointer lpFirstCacheEntryInfo,   // INTERNET_CACHE_ENTRY_INFOA* optional, in/out
        IntByReference lpcbCacheEntryInfo,   // DWORD* in/out
        Pointer lpGroupAttributes,   // void* optional
        IntByReference lpcbGroupAttributes,   // DWORD* optional
        Pointer lpReserved   // void* optional
    );
}

@[Link("wininet")]
lib LibWININET
  fun FindFirstUrlCacheEntryExA = FindFirstUrlCacheEntryExA(
    lpszUrlSearchPattern : UInt8*,   # LPCSTR optional
    dwFlags : UInt32,   # DWORD
    dwFilter : UInt32,   # DWORD
    GroupId : Int64,   # LONGLONG
    lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA*,   # INTERNET_CACHE_ENTRY_INFOA* 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 FindFirstUrlCacheEntryExANative = Pointer<Void> Function(Pointer<Utf8>, Uint32, Uint32, Int64, Pointer<Void>, Pointer<Uint32>, Pointer<Void>, Pointer<Uint32>, Pointer<Void>);
typedef FindFirstUrlCacheEntryExADart = Pointer<Void> Function(Pointer<Utf8>, int, int, int, Pointer<Void>, Pointer<Uint32>, Pointer<Void>, Pointer<Uint32>, Pointer<Void>);
final FindFirstUrlCacheEntryExA = DynamicLibrary.open('WININET.dll')
    .lookupFunction<FindFirstUrlCacheEntryExANative, FindFirstUrlCacheEntryExADart>('FindFirstUrlCacheEntryExA');
// lpszUrlSearchPattern : LPCSTR optional -> Pointer<Utf8>
// dwFlags : DWORD -> Uint32
// dwFilter : DWORD -> Uint32
// GroupId : LONGLONG -> Int64
// lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* 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 FindFirstUrlCacheEntryExA(
  lpszUrlSearchPattern: PAnsiChar;   // LPCSTR optional
  dwFlags: DWORD;   // DWORD
  dwFilter: DWORD;   // DWORD
  GroupId: Int64;   // LONGLONG
  lpFirstCacheEntryInfo: Pointer;   // INTERNET_CACHE_ENTRY_INFOA* 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 'FindFirstUrlCacheEntryExA';

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

foreign import stdcall safe "FindFirstUrlCacheEntryExA"
  c_FindFirstUrlCacheEntryExA :: CString -> Word32 -> Word32 -> Int64 -> Ptr () -> Ptr Word32 -> Ptr () -> Ptr Word32 -> Ptr () -> IO (Ptr ())
-- lpszUrlSearchPattern : LPCSTR optional -> CString
-- dwFlags : DWORD -> Word32
-- dwFilter : DWORD -> Word32
-- GroupId : LONGLONG -> Int64
-- lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* 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 findfirsturlcacheentryexa =
  foreign "FindFirstUrlCacheEntryExA"
    (string @-> uint32_t @-> uint32_t @-> int64_t @-> (ptr void) @-> (ptr uint32_t) @-> (ptr void) @-> (ptr uint32_t) @-> (ptr void) @-> returning (ptr void))
(* lpszUrlSearchPattern : LPCSTR optional -> string *)
(* dwFlags : DWORD -> uint32_t *)
(* dwFilter : DWORD -> uint32_t *)
(* GroupId : LONGLONG -> int64_t *)
(* lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* 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 ("FindFirstUrlCacheEntryExA" find-first-url-cache-entry-ex-a :convention :stdcall) :pointer
  (lpsz-url-search-pattern :string)   ; LPCSTR optional
  (dw-flags :uint32)   ; DWORD
  (dw-filter :uint32)   ; DWORD
  (group-id :int64)   ; LONGLONG
  (lp-first-cache-entry-info :pointer)   ; INTERNET_CACHE_ENTRY_INFOA* 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 $FindFirstUrlCacheEntryExA = Win32::API::More->new('WININET',
    'HANDLE FindFirstUrlCacheEntryExA(LPCSTR lpszUrlSearchPattern, DWORD dwFlags, DWORD dwFilter, INT64 GroupId, LPVOID lpFirstCacheEntryInfo, LPVOID lpcbCacheEntryInfo, LPVOID lpGroupAttributes, LPVOID lpcbGroupAttributes, LPVOID lpReserved)');
# my $ret = $FindFirstUrlCacheEntryExA->Call($lpszUrlSearchPattern, $dwFlags, $dwFilter, $GroupId, $lpFirstCacheEntryInfo, $lpcbCacheEntryInfo, $lpGroupAttributes, $lpcbGroupAttributes, $lpReserved);
# lpszUrlSearchPattern : LPCSTR optional -> LPCSTR
# dwFlags : DWORD -> DWORD
# dwFilter : DWORD -> DWORD
# GroupId : LONGLONG -> INT64
# lpFirstCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* 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。