UrlCacheGetGlobalLimit

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

DWORD UrlCacheGetGlobalLimit(
    URL_CACHE_LIMIT_TYPE limitType,
    ULONGLONG* pullLimit
);

<DllImport("WININET.dll", ExactSpelling:=True)>
Public Shared Function UrlCacheGetGlobalLimit(
    limitType As Integer,   ' URL_CACHE_LIMIT_TYPE
    <Out> ByRef pullLimit As ULong   ' ULONGLONG* out
) As UInteger
End Function

' limitType : URL_CACHE_LIMIT_TYPE
' pullLimit : ULONGLONG* out
Declare PtrSafe Function UrlCacheGetGlobalLimit Lib "wininet" ( _
    ByVal limitType As Long, _
    ByRef pullLimit As LongLong) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

UrlCacheGetGlobalLimit = ctypes.windll.wininet.UrlCacheGetGlobalLimit
UrlCacheGetGlobalLimit.restype = wintypes.DWORD
UrlCacheGetGlobalLimit.argtypes = [
    ctypes.c_int,  # limitType : URL_CACHE_LIMIT_TYPE
    ctypes.POINTER(ctypes.c_ulonglong),  # pullLimit : ULONGLONG* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
UrlCacheGetGlobalLimit = Fiddle::Function.new(
  lib['UrlCacheGetGlobalLimit'],
  [
    Fiddle::TYPE_INT,  # limitType : URL_CACHE_LIMIT_TYPE
    Fiddle::TYPE_VOIDP,  # pullLimit : ULONGLONG* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wininet")]
extern "system" {
    fn UrlCacheGetGlobalLimit(
        limitType: i32,  // URL_CACHE_LIMIT_TYPE
        pullLimit: *mut u64  // ULONGLONG* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WININET.dll")]
public static extern uint UrlCacheGetGlobalLimit(int limitType, out ulong pullLimit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_UrlCacheGetGlobalLimit' -Namespace Win32 -PassThru
# $api::UrlCacheGetGlobalLimit(limitType, pullLimit)

#uselib "WININET.dll"
#func global UrlCacheGetGlobalLimit "UrlCacheGetGlobalLimit" sptr, sptr
; UrlCacheGetGlobalLimit limitType, varptr(pullLimit)   ; 戻り値は stat
; limitType : URL_CACHE_LIMIT_TYPE -> "sptr"
; pullLimit : ULONGLONG* 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")
	procUrlCacheGetGlobalLimit = wininet.NewProc("UrlCacheGetGlobalLimit")
)

// limitType (URL_CACHE_LIMIT_TYPE), pullLimit (ULONGLONG* out)
r1, _, err := procUrlCacheGetGlobalLimit.Call(
	uintptr(limitType),
	uintptr(pullLimit),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function UrlCacheGetGlobalLimit(
  limitType: Integer;   // URL_CACHE_LIMIT_TYPE
  pullLimit: Pointer   // ULONGLONG* out
): DWORD; stdcall;
  external 'WININET.dll' name 'UrlCacheGetGlobalLimit';

result := DllCall("WININET\UrlCacheGetGlobalLimit"
    , "Int", limitType   ; URL_CACHE_LIMIT_TYPE
    , "Ptr", pullLimit   ; ULONGLONG* out
    , "UInt")   ; return: DWORD

●UrlCacheGetGlobalLimit(limitType, pullLimit) = DLL("WININET.dll", "dword UrlCacheGetGlobalLimit(int, void*)")
# 呼び出し: UrlCacheGetGlobalLimit(limitType, pullLimit)
# limitType : URL_CACHE_LIMIT_TYPE -> "int"
# pullLimit : ULONGLONG* 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 UrlCacheGetGlobalLimit(
    limitType: i32, // URL_CACHE_LIMIT_TYPE
    pullLimit: [*c]u64 // ULONGLONG* out
) callconv(std.os.windows.WINAPI) u32;

proc UrlCacheGetGlobalLimit(
    limitType: int32,  # URL_CACHE_LIMIT_TYPE
    pullLimit: ptr uint64  # ULONGLONG* out
): uint32 {.importc: "UrlCacheGetGlobalLimit", stdcall, dynlib: "WININET.dll".}

pragma(lib, "wininet");
extern(Windows)
uint UrlCacheGetGlobalLimit(
    int limitType,   // URL_CACHE_LIMIT_TYPE
    ulong* pullLimit   // ULONGLONG* out
);

ccall((:UrlCacheGetGlobalLimit, "WININET.dll"), stdcall, UInt32,
      (Int32, Ptr{UInt64}),
      limitType, pullLimit)
# limitType : URL_CACHE_LIMIT_TYPE -> Int32
# pullLimit : ULONGLONG* out -> Ptr{UInt64}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t UrlCacheGetGlobalLimit(
    int32_t limitType,
    uint64_t* pullLimit);
]]
local wininet = ffi.load("wininet")
-- wininet.UrlCacheGetGlobalLimit(limitType, pullLimit)
-- limitType : URL_CACHE_LIMIT_TYPE
-- pullLimit : ULONGLONG* 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 UrlCacheGetGlobalLimit = lib.func('__stdcall', 'UrlCacheGetGlobalLimit', 'uint32_t', ['int32_t', 'uint64_t *']);
// UrlCacheGetGlobalLimit(limitType, pullLimit)
// limitType : URL_CACHE_LIMIT_TYPE -> 'int32_t'
// pullLimit : ULONGLONG* out -> 'uint64_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", {
  UrlCacheGetGlobalLimit: { parameters: ["i32", "pointer"], result: "u32" },
});
// lib.symbols.UrlCacheGetGlobalLimit(limitType, pullLimit)
// limitType : URL_CACHE_LIMIT_TYPE -> "i32"
// pullLimit : ULONGLONG* 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 UrlCacheGetGlobalLimit(
    int32_t limitType,
    uint64_t* pullLimit);
C, "WININET.dll");
// $ffi->UrlCacheGetGlobalLimit(limitType, pullLimit);
// limitType : URL_CACHE_LIMIT_TYPE
// pullLimit : ULONGLONG* 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 UrlCacheGetGlobalLimit(
        int limitType,   // URL_CACHE_LIMIT_TYPE
        LongByReference pullLimit   // ULONGLONG* out
    );
}

@[Link("wininet")]
lib LibWININET
  fun UrlCacheGetGlobalLimit = UrlCacheGetGlobalLimit(
    limitType : Int32,   # URL_CACHE_LIMIT_TYPE
    pullLimit : UInt64*   # ULONGLONG* 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 UrlCacheGetGlobalLimitNative = Uint32 Function(Int32, Pointer<Uint64>);
typedef UrlCacheGetGlobalLimitDart = int Function(int, Pointer<Uint64>);
final UrlCacheGetGlobalLimit = DynamicLibrary.open('WININET.dll')
    .lookupFunction<UrlCacheGetGlobalLimitNative, UrlCacheGetGlobalLimitDart>('UrlCacheGetGlobalLimit');
// limitType : URL_CACHE_LIMIT_TYPE -> Int32
// pullLimit : ULONGLONG* out -> Pointer<Uint64>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function UrlCacheGetGlobalLimit(
  limitType: Integer;   // URL_CACHE_LIMIT_TYPE
  pullLimit: Pointer   // ULONGLONG* out
): DWORD; stdcall;
  external 'WININET.dll' name 'UrlCacheGetGlobalLimit';

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

foreign import stdcall safe "UrlCacheGetGlobalLimit"
  c_UrlCacheGetGlobalLimit :: Int32 -> Ptr Word64 -> IO Word32
-- limitType : URL_CACHE_LIMIT_TYPE -> Int32
-- pullLimit : ULONGLONG* out -> Ptr Word64
-- 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 urlcachegetgloballimit =
  foreign "UrlCacheGetGlobalLimit"
    (int32_t @-> (ptr uint64_t) @-> returning uint32_t)
(* limitType : URL_CACHE_LIMIT_TYPE -> int32_t *)
(* pullLimit : ULONGLONG* out -> (ptr uint64_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 ("UrlCacheGetGlobalLimit" url-cache-get-global-limit :convention :stdcall) :uint32
  (limit-type :int32)   ; URL_CACHE_LIMIT_TYPE
  (pull-limit :pointer))   ; ULONGLONG* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $UrlCacheGetGlobalLimit = Win32::API::More->new('WININET',
    'DWORD UrlCacheGetGlobalLimit(int limitType, LPVOID pullLimit)');
# my $ret = $UrlCacheGetGlobalLimit->Call($limitType, $pullLimit);
# limitType : URL_CACHE_LIMIT_TYPE -> int
# pullLimit : ULONGLONG* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。