AppCacheGetInfo

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

DWORD AppCacheGetInfo(
    void* hAppCache,
    APP_CACHE_GROUP_INFO* pAppCacheInfo
);

<DllImport("WININET.dll", ExactSpelling:=True)>
Public Shared Function AppCacheGetInfo(
    hAppCache As IntPtr,   ' void*
    pAppCacheInfo As IntPtr   ' APP_CACHE_GROUP_INFO* out
) As UInteger
End Function

' hAppCache : void*
' pAppCacheInfo : APP_CACHE_GROUP_INFO* out
Declare PtrSafe Function AppCacheGetInfo Lib "wininet" ( _
    ByVal hAppCache As LongPtr, _
    ByVal pAppCacheInfo As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

AppCacheGetInfo = ctypes.windll.wininet.AppCacheGetInfo
AppCacheGetInfo.restype = wintypes.DWORD
AppCacheGetInfo.argtypes = [
    ctypes.POINTER(None),  # hAppCache : void*
    ctypes.c_void_p,  # pAppCacheInfo : APP_CACHE_GROUP_INFO* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
AppCacheGetInfo = Fiddle::Function.new(
  lib['AppCacheGetInfo'],
  [
    Fiddle::TYPE_VOIDP,  # hAppCache : void*
    Fiddle::TYPE_VOIDP,  # pAppCacheInfo : APP_CACHE_GROUP_INFO* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wininet")]
extern "system" {
    fn AppCacheGetInfo(
        hAppCache: *mut (),  // void*
        pAppCacheInfo: *mut APP_CACHE_GROUP_INFO  // APP_CACHE_GROUP_INFO* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WININET.dll")]
public static extern uint AppCacheGetInfo(IntPtr hAppCache, IntPtr pAppCacheInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_AppCacheGetInfo' -Namespace Win32 -PassThru
# $api::AppCacheGetInfo(hAppCache, pAppCacheInfo)

#uselib "WININET.dll"
#func global AppCacheGetInfo "AppCacheGetInfo" sptr, sptr
; AppCacheGetInfo hAppCache, varptr(pAppCacheInfo)   ; 戻り値は stat
; hAppCache : void* -> "sptr"
; pAppCacheInfo : APP_CACHE_GROUP_INFO* 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 AppCacheGetInfo "AppCacheGetInfo" sptr, var
; res = AppCacheGetInfo(hAppCache, pAppCacheInfo)
; hAppCache : void* -> "sptr"
; pAppCacheInfo : APP_CACHE_GROUP_INFO* 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 AppCacheGetInfo(void* hAppCache, APP_CACHE_GROUP_INFO* pAppCacheInfo)
#uselib "WININET.dll"
#cfunc global AppCacheGetInfo "AppCacheGetInfo" intptr, var
; res = AppCacheGetInfo(hAppCache, pAppCacheInfo)
; hAppCache : void* -> "intptr"
; pAppCacheInfo : APP_CACHE_GROUP_INFO* 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")
	procAppCacheGetInfo = wininet.NewProc("AppCacheGetInfo")
)

// hAppCache (void*), pAppCacheInfo (APP_CACHE_GROUP_INFO* out)
r1, _, err := procAppCacheGetInfo.Call(
	uintptr(hAppCache),
	uintptr(pAppCacheInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function AppCacheGetInfo(
  hAppCache: Pointer;   // void*
  pAppCacheInfo: Pointer   // APP_CACHE_GROUP_INFO* out
): DWORD; stdcall;
  external 'WININET.dll' name 'AppCacheGetInfo';

result := DllCall("WININET\AppCacheGetInfo"
    , "Ptr", hAppCache   ; void*
    , "Ptr", pAppCacheInfo   ; APP_CACHE_GROUP_INFO* out
    , "UInt")   ; return: DWORD

●AppCacheGetInfo(hAppCache, pAppCacheInfo) = DLL("WININET.dll", "dword AppCacheGetInfo(void*, void*)")
# 呼び出し: AppCacheGetInfo(hAppCache, pAppCacheInfo)
# hAppCache : void* -> "void*"
# pAppCacheInfo : APP_CACHE_GROUP_INFO* 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)。