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。

#uselib "WININET.dll"
#cfunc global UrlCacheGetContentPaths "UrlCacheGetContentPaths" var, var
; res = UrlCacheGetContentPaths(pppwszDirectories, pcDirectories)
; pppwszDirectories : LPWSTR** out -> "var"
; pcDirectories : DWORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; DWORD UrlCacheGetContentPaths(LPWSTR** pppwszDirectories, DWORD* pcDirectories)
#uselib "WININET.dll"
#cfunc global UrlCacheGetContentPaths "UrlCacheGetContentPaths" var, var
; res = UrlCacheGetContentPaths(pppwszDirectories, pcDirectories)
; pppwszDirectories : LPWSTR** out -> "var"
; pcDirectories : DWORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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)。