UrlCacheGetContentPaths

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

DWORD UrlCacheGetContentPaths(
    LPWSTR** pppwszDirectories,
    DWORD* pcDirectories
);

<DllImport("WININET.dll", ExactSpelling:=True)>
Public Shared Function UrlCacheGetContentPaths(
    pppwszDirectories As IntPtr,   ' LPWSTR** out
    <Out> ByRef pcDirectories As UInteger   ' DWORD* out
) As UInteger
End Function

' pppwszDirectories : LPWSTR** out
' pcDirectories : DWORD* out
Declare PtrSafe Function UrlCacheGetContentPaths Lib "wininet" ( _
    ByVal pppwszDirectories As LongPtr, _
    ByRef pcDirectories 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

UrlCacheGetContentPaths = ctypes.windll.wininet.UrlCacheGetContentPaths
UrlCacheGetContentPaths.restype = wintypes.DWORD
UrlCacheGetContentPaths.argtypes = [
    ctypes.c_void_p,  # pppwszDirectories : LPWSTR** out
    ctypes.POINTER(wintypes.DWORD),  # pcDirectories : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
UrlCacheGetContentPaths = Fiddle::Function.new(
  lib['UrlCacheGetContentPaths'],
  [
    Fiddle::TYPE_VOIDP,  # pppwszDirectories : LPWSTR** out
    Fiddle::TYPE_VOIDP,  # pcDirectories : DWORD* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wininet")]
extern "system" {
    fn UrlCacheGetContentPaths(
        pppwszDirectories: *mut *mut *mut u16,  // LPWSTR** out
        pcDirectories: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WININET.dll")]
public static extern uint UrlCacheGetContentPaths(IntPtr pppwszDirectories, out uint pcDirectories);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_UrlCacheGetContentPaths' -Namespace Win32 -PassThru
# $api::UrlCacheGetContentPaths(pppwszDirectories, pcDirectories)

#uselib "WININET.dll"
#func global UrlCacheGetContentPaths "UrlCacheGetContentPaths" sptr, sptr
; UrlCacheGetContentPaths varptr(pppwszDirectories), varptr(pcDirectories)   ; 戻り値は stat
; pppwszDirectories : LPWSTR** out -> "sptr"
; pcDirectories : 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")
	procUrlCacheGetContentPaths = wininet.NewProc("UrlCacheGetContentPaths")
)

// pppwszDirectories (LPWSTR** out), pcDirectories (DWORD* out)
r1, _, err := procUrlCacheGetContentPaths.Call(
	uintptr(pppwszDirectories),
	uintptr(pcDirectories),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function UrlCacheGetContentPaths(
  pppwszDirectories: PPWideChar;   // LPWSTR** out
  pcDirectories: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'WININET.dll' name 'UrlCacheGetContentPaths';

result := DllCall("WININET\UrlCacheGetContentPaths"
    , "Ptr", pppwszDirectories   ; LPWSTR** out
    , "Ptr", pcDirectories   ; DWORD* out
    , "UInt")   ; return: DWORD

●UrlCacheGetContentPaths(pppwszDirectories, pcDirectories) = DLL("WININET.dll", "dword UrlCacheGetContentPaths(void*, void*)")
# 呼び出し: UrlCacheGetContentPaths(pppwszDirectories, pcDirectories)
# pppwszDirectories : LPWSTR** out -> "void*"
# pcDirectories : 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 UrlCacheGetContentPaths(
    pppwszDirectories: [*c][*c][*c]u16, // LPWSTR** out
    pcDirectories: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) u32;

proc UrlCacheGetContentPaths(
    pppwszDirectories: ptr WideCString,  # LPWSTR** out
    pcDirectories: ptr uint32  # DWORD* out
): uint32 {.importc: "UrlCacheGetContentPaths", stdcall, dynlib: "WININET.dll".}

pragma(lib, "wininet");
extern(Windows)
uint UrlCacheGetContentPaths(
    wchar*** pppwszDirectories,   // LPWSTR** out
    uint* pcDirectories   // DWORD* out
);

ccall((:UrlCacheGetContentPaths, "WININET.dll"), stdcall, UInt32,
      (Ptr{Ptr{UInt16}}, Ptr{UInt32}),
      pppwszDirectories, pcDirectories)
# pppwszDirectories : LPWSTR** out -> Ptr{Ptr{UInt16}}
# pcDirectories : 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 UrlCacheGetContentPaths(
    uint16_t*** pppwszDirectories,
    uint32_t* pcDirectories);
]]
local wininet = ffi.load("wininet")
-- wininet.UrlCacheGetContentPaths(pppwszDirectories, pcDirectories)
-- pppwszDirectories : LPWSTR** out
-- pcDirectories : 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 UrlCacheGetContentPaths = lib.func('__stdcall', 'UrlCacheGetContentPaths', 'uint32_t', ['void *', 'uint32_t *']);
// UrlCacheGetContentPaths(pppwszDirectories, pcDirectories)
// pppwszDirectories : LPWSTR** out -> 'void *'
// pcDirectories : 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", {
  UrlCacheGetContentPaths: { parameters: ["pointer", "pointer"], result: "u32" },
});
// lib.symbols.UrlCacheGetContentPaths(pppwszDirectories, pcDirectories)
// pppwszDirectories : LPWSTR** out -> "pointer"
// pcDirectories : 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 UrlCacheGetContentPaths(
    uint16_t*** pppwszDirectories,
    uint32_t* pcDirectories);
C, "WININET.dll");
// $ffi->UrlCacheGetContentPaths(pppwszDirectories, pcDirectories);
// pppwszDirectories : LPWSTR** out
// pcDirectories : 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 UrlCacheGetContentPaths(
        PointerByReference pppwszDirectories,   // LPWSTR** out
        IntByReference pcDirectories   // DWORD* out
    );
}

@[Link("wininet")]
lib LibWININET
  fun UrlCacheGetContentPaths = UrlCacheGetContentPaths(
    pppwszDirectories : UInt16***,   # LPWSTR** out
    pcDirectories : 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 UrlCacheGetContentPathsNative = Uint32 Function(Pointer<Pointer<Utf16>>, Pointer<Uint32>);
typedef UrlCacheGetContentPathsDart = int Function(Pointer<Pointer<Utf16>>, Pointer<Uint32>);
final UrlCacheGetContentPaths = DynamicLibrary.open('WININET.dll')
    .lookupFunction<UrlCacheGetContentPathsNative, UrlCacheGetContentPathsDart>('UrlCacheGetContentPaths');
// pppwszDirectories : LPWSTR** out -> Pointer<Pointer<Utf16>>
// pcDirectories : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function UrlCacheGetContentPaths(
  pppwszDirectories: PPWideChar;   // LPWSTR** out
  pcDirectories: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'WININET.dll' name 'UrlCacheGetContentPaths';

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

foreign import stdcall safe "UrlCacheGetContentPaths"
  c_UrlCacheGetContentPaths :: Ptr CWString -> Ptr Word32 -> IO Word32
-- pppwszDirectories : LPWSTR** out -> Ptr CWString
-- pcDirectories : 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 urlcachegetcontentpaths =
  foreign "UrlCacheGetContentPaths"
    ((ptr (ptr uint16_t)) @-> (ptr uint32_t) @-> returning uint32_t)
(* pppwszDirectories : LPWSTR** out -> (ptr (ptr uint16_t)) *)
(* pcDirectories : 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 ("UrlCacheGetContentPaths" url-cache-get-content-paths :convention :stdcall) :uint32
  (pppwsz-directories :pointer)   ; LPWSTR** out
  (pc-directories :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 $UrlCacheGetContentPaths = Win32::API::More->new('WININET',
    'DWORD UrlCacheGetContentPaths(LPVOID pppwszDirectories, LPVOID pcDirectories)');
# my $ret = $UrlCacheGetContentPaths->Call($pppwszDirectories, $pcDirectories);
# pppwszDirectories : LPWSTR** out -> LPVOID
# pcDirectories : 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。