GetSystemRegistryQuota

// KERNEL32.dll
#include <windows.h>

BOOL GetSystemRegistryQuota(
    DWORD* pdwQuotaAllowed,   // optional
    DWORD* pdwQuotaUsed   // optional
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetSystemRegistryQuota(
    pdwQuotaAllowed As IntPtr,   ' DWORD* optional, out
    pdwQuotaUsed As IntPtr   ' DWORD* optional, out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' pdwQuotaAllowed : DWORD* optional, out
' pdwQuotaUsed : DWORD* optional, out
Declare PtrSafe Function GetSystemRegistryQuota Lib "kernel32" ( _
    ByVal pdwQuotaAllowed As LongPtr, _
    ByVal pdwQuotaUsed 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

GetSystemRegistryQuota = ctypes.windll.kernel32.GetSystemRegistryQuota
GetSystemRegistryQuota.restype = wintypes.BOOL
GetSystemRegistryQuota.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # pdwQuotaAllowed : DWORD* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pdwQuotaUsed : DWORD* optional, out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetSystemRegistryQuota = Fiddle::Function.new(
  lib['GetSystemRegistryQuota'],
  [
    Fiddle::TYPE_VOIDP,  # pdwQuotaAllowed : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # pdwQuotaUsed : DWORD* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn GetSystemRegistryQuota(
        pdwQuotaAllowed: *mut u32,  // DWORD* optional, out
        pdwQuotaUsed: *mut u32  // DWORD* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern bool GetSystemRegistryQuota(IntPtr pdwQuotaAllowed, IntPtr pdwQuotaUsed);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetSystemRegistryQuota' -Namespace Win32 -PassThru
# $api::GetSystemRegistryQuota(pdwQuotaAllowed, pdwQuotaUsed)

#uselib "KERNEL32.dll"
#func global GetSystemRegistryQuota "GetSystemRegistryQuota" sptr, sptr
; GetSystemRegistryQuota varptr(pdwQuotaAllowed), varptr(pdwQuotaUsed)   ; 戻り値は stat
; pdwQuotaAllowed : DWORD* optional, out -> "sptr"
; pdwQuotaUsed : DWORD* optional, 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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procGetSystemRegistryQuota = kernel32.NewProc("GetSystemRegistryQuota")
)

// pdwQuotaAllowed (DWORD* optional, out), pdwQuotaUsed (DWORD* optional, out)
r1, _, err := procGetSystemRegistryQuota.Call(
	uintptr(pdwQuotaAllowed),
	uintptr(pdwQuotaUsed),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetSystemRegistryQuota(
  pdwQuotaAllowed: Pointer;   // DWORD* optional, out
  pdwQuotaUsed: Pointer   // DWORD* optional, out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'GetSystemRegistryQuota';

result := DllCall("KERNEL32\GetSystemRegistryQuota"
    , "Ptr", pdwQuotaAllowed   ; DWORD* optional, out
    , "Ptr", pdwQuotaUsed   ; DWORD* optional, out
    , "Int")   ; return: BOOL

●GetSystemRegistryQuota(pdwQuotaAllowed, pdwQuotaUsed) = DLL("KERNEL32.dll", "bool GetSystemRegistryQuota(void*, void*)")
# 呼び出し: GetSystemRegistryQuota(pdwQuotaAllowed, pdwQuotaUsed)
# pdwQuotaAllowed : DWORD* optional, out -> "void*"
# pdwQuotaUsed : DWORD* optional, 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 "kernel32" fn GetSystemRegistryQuota(
    pdwQuotaAllowed: [*c]u32, // DWORD* optional, out
    pdwQuotaUsed: [*c]u32 // DWORD* optional, out
) callconv(std.os.windows.WINAPI) i32;

proc GetSystemRegistryQuota(
    pdwQuotaAllowed: ptr uint32,  # DWORD* optional, out
    pdwQuotaUsed: ptr uint32  # DWORD* optional, out
): int32 {.importc: "GetSystemRegistryQuota", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
int GetSystemRegistryQuota(
    uint* pdwQuotaAllowed,   // DWORD* optional, out
    uint* pdwQuotaUsed   // DWORD* optional, out
);

ccall((:GetSystemRegistryQuota, "KERNEL32.dll"), stdcall, Int32,
      (Ptr{UInt32}, Ptr{UInt32}),
      pdwQuotaAllowed, pdwQuotaUsed)
# pdwQuotaAllowed : DWORD* optional, out -> Ptr{UInt32}
# pdwQuotaUsed : DWORD* optional, out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GetSystemRegistryQuota(
    uint32_t* pdwQuotaAllowed,
    uint32_t* pdwQuotaUsed);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.GetSystemRegistryQuota(pdwQuotaAllowed, pdwQuotaUsed)
-- pdwQuotaAllowed : DWORD* optional, out
-- pdwQuotaUsed : DWORD* optional, 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('KERNEL32.dll');
const GetSystemRegistryQuota = lib.func('__stdcall', 'GetSystemRegistryQuota', 'int32_t', ['uint32_t *', 'uint32_t *']);
// GetSystemRegistryQuota(pdwQuotaAllowed, pdwQuotaUsed)
// pdwQuotaAllowed : DWORD* optional, out -> 'uint32_t *'
// pdwQuotaUsed : DWORD* optional, 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("KERNEL32.dll", {
  GetSystemRegistryQuota: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.GetSystemRegistryQuota(pdwQuotaAllowed, pdwQuotaUsed)
// pdwQuotaAllowed : DWORD* optional, out -> "pointer"
// pdwQuotaUsed : DWORD* optional, 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
int32_t GetSystemRegistryQuota(
    uint32_t* pdwQuotaAllowed,
    uint32_t* pdwQuotaUsed);
C, "KERNEL32.dll");
// $ffi->GetSystemRegistryQuota(pdwQuotaAllowed, pdwQuotaUsed);
// pdwQuotaAllowed : DWORD* optional, out
// pdwQuotaUsed : DWORD* optional, 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 Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class);
    boolean GetSystemRegistryQuota(
        IntByReference pdwQuotaAllowed,   // DWORD* optional, out
        IntByReference pdwQuotaUsed   // DWORD* optional, out
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun GetSystemRegistryQuota = GetSystemRegistryQuota(
    pdwQuotaAllowed : UInt32*,   # DWORD* optional, out
    pdwQuotaUsed : UInt32*   # DWORD* optional, out
  ) : Int32
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 GetSystemRegistryQuotaNative = Int32 Function(Pointer<Uint32>, Pointer<Uint32>);
typedef GetSystemRegistryQuotaDart = int Function(Pointer<Uint32>, Pointer<Uint32>);
final GetSystemRegistryQuota = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<GetSystemRegistryQuotaNative, GetSystemRegistryQuotaDart>('GetSystemRegistryQuota');
// pdwQuotaAllowed : DWORD* optional, out -> Pointer<Uint32>
// pdwQuotaUsed : DWORD* optional, out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetSystemRegistryQuota(
  pdwQuotaAllowed: Pointer;   // DWORD* optional, out
  pdwQuotaUsed: Pointer   // DWORD* optional, out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'GetSystemRegistryQuota';

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

foreign import stdcall safe "GetSystemRegistryQuota"
  c_GetSystemRegistryQuota :: Ptr Word32 -> Ptr Word32 -> IO CInt
-- pdwQuotaAllowed : DWORD* optional, out -> Ptr Word32
-- pdwQuotaUsed : DWORD* optional, 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 getsystemregistryquota =
  foreign "GetSystemRegistryQuota"
    ((ptr uint32_t) @-> (ptr uint32_t) @-> returning int32_t)
(* pdwQuotaAllowed : DWORD* optional, out -> (ptr uint32_t) *)
(* pdwQuotaUsed : DWORD* optional, 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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("GetSystemRegistryQuota" get-system-registry-quota :convention :stdcall) :int32
  (pdw-quota-allowed :pointer)   ; DWORD* optional, out
  (pdw-quota-used :pointer))   ; DWORD* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetSystemRegistryQuota = Win32::API::More->new('KERNEL32',
    'BOOL GetSystemRegistryQuota(LPVOID pdwQuotaAllowed, LPVOID pdwQuotaUsed)');
# my $ret = $GetSystemRegistryQuota->Call($pdwQuotaAllowed, $pdwQuotaUsed);
# pdwQuotaAllowed : DWORD* optional, out -> LPVOID
# pdwQuotaUsed : DWORD* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。