GetProcessHeaps

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

DWORD GetProcessHeaps(
    DWORD NumberOfHeaps,
    HANDLE* ProcessHeaps
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetProcessHeaps(
    NumberOfHeaps As UInteger,   ' DWORD
    ProcessHeaps As IntPtr   ' HANDLE* out
) As UInteger
End Function

' NumberOfHeaps : DWORD
' ProcessHeaps : HANDLE* out
Declare PtrSafe Function GetProcessHeaps Lib "kernel32" ( _
    ByVal NumberOfHeaps As Long, _
    ByVal ProcessHeaps 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

GetProcessHeaps = ctypes.windll.kernel32.GetProcessHeaps
GetProcessHeaps.restype = wintypes.DWORD
GetProcessHeaps.argtypes = [
    wintypes.DWORD,  # NumberOfHeaps : DWORD
    ctypes.c_void_p,  # ProcessHeaps : HANDLE* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetProcessHeaps = Fiddle::Function.new(
  lib['GetProcessHeaps'],
  [
    -Fiddle::TYPE_INT,  # NumberOfHeaps : DWORD
    Fiddle::TYPE_VOIDP,  # ProcessHeaps : HANDLE* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn GetProcessHeaps(
        NumberOfHeaps: u32,  // DWORD
        ProcessHeaps: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern uint GetProcessHeaps(uint NumberOfHeaps, IntPtr ProcessHeaps);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetProcessHeaps' -Namespace Win32 -PassThru
# $api::GetProcessHeaps(NumberOfHeaps, ProcessHeaps)

#uselib "KERNEL32.dll"
#func global GetProcessHeaps "GetProcessHeaps" sptr, sptr
; GetProcessHeaps NumberOfHeaps, ProcessHeaps   ; 戻り値は stat
; NumberOfHeaps : DWORD -> "sptr"
; ProcessHeaps : HANDLE* 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 "KERNEL32.dll"
#cfunc global GetProcessHeaps "GetProcessHeaps" int, sptr
; res = GetProcessHeaps(NumberOfHeaps, ProcessHeaps)
; NumberOfHeaps : DWORD -> "int"
; ProcessHeaps : HANDLE* out -> "sptr"

; DWORD GetProcessHeaps(DWORD NumberOfHeaps, HANDLE* ProcessHeaps)
#uselib "KERNEL32.dll"
#cfunc global GetProcessHeaps "GetProcessHeaps" int, intptr
; res = GetProcessHeaps(NumberOfHeaps, ProcessHeaps)
; NumberOfHeaps : DWORD -> "int"
; ProcessHeaps : HANDLE* out -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procGetProcessHeaps = kernel32.NewProc("GetProcessHeaps")
)

// NumberOfHeaps (DWORD), ProcessHeaps (HANDLE* out)
r1, _, err := procGetProcessHeaps.Call(
	uintptr(NumberOfHeaps),
	uintptr(ProcessHeaps),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetProcessHeaps(
  NumberOfHeaps: DWORD;   // DWORD
  ProcessHeaps: Pointer   // HANDLE* out
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'GetProcessHeaps';

result := DllCall("KERNEL32\GetProcessHeaps"
    , "UInt", NumberOfHeaps   ; DWORD
    , "Ptr", ProcessHeaps   ; HANDLE* out
    , "UInt")   ; return: DWORD

●GetProcessHeaps(NumberOfHeaps, ProcessHeaps) = DLL("KERNEL32.dll", "dword GetProcessHeaps(dword, void*)")
# 呼び出し: GetProcessHeaps(NumberOfHeaps, ProcessHeaps)
# NumberOfHeaps : DWORD -> "dword"
# ProcessHeaps : HANDLE* 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 GetProcessHeaps(
    NumberOfHeaps: u32, // DWORD
    ProcessHeaps: ?*anyopaque // HANDLE* out
) callconv(std.os.windows.WINAPI) u32;

proc GetProcessHeaps(
    NumberOfHeaps: uint32,  # DWORD
    ProcessHeaps: pointer  # HANDLE* out
): uint32 {.importc: "GetProcessHeaps", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
uint GetProcessHeaps(
    uint NumberOfHeaps,   // DWORD
    void* ProcessHeaps   // HANDLE* out
);

ccall((:GetProcessHeaps, "KERNEL32.dll"), stdcall, UInt32,
      (UInt32, Ptr{Cvoid}),
      NumberOfHeaps, ProcessHeaps)
# NumberOfHeaps : DWORD -> UInt32
# ProcessHeaps : HANDLE* out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t GetProcessHeaps(
    uint32_t NumberOfHeaps,
    void* ProcessHeaps);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.GetProcessHeaps(NumberOfHeaps, ProcessHeaps)
-- NumberOfHeaps : DWORD
-- ProcessHeaps : HANDLE* 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 GetProcessHeaps = lib.func('__stdcall', 'GetProcessHeaps', 'uint32_t', ['uint32_t', 'void *']);
// GetProcessHeaps(NumberOfHeaps, ProcessHeaps)
// NumberOfHeaps : DWORD -> 'uint32_t'
// ProcessHeaps : HANDLE* out -> 'void *'
// 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", {
  GetProcessHeaps: { parameters: ["u32", "pointer"], result: "u32" },
});
// lib.symbols.GetProcessHeaps(NumberOfHeaps, ProcessHeaps)
// NumberOfHeaps : DWORD -> "u32"
// ProcessHeaps : HANDLE* 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 GetProcessHeaps(
    uint32_t NumberOfHeaps,
    void* ProcessHeaps);
C, "KERNEL32.dll");
// $ffi->GetProcessHeaps(NumberOfHeaps, ProcessHeaps);
// NumberOfHeaps : DWORD
// ProcessHeaps : HANDLE* 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);
    int GetProcessHeaps(
        int NumberOfHeaps,   // DWORD
        Pointer ProcessHeaps   // HANDLE* out
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun GetProcessHeaps = GetProcessHeaps(
    NumberOfHeaps : UInt32,   # DWORD
    ProcessHeaps : Void*   # HANDLE* 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 GetProcessHeapsNative = Uint32 Function(Uint32, Pointer<Void>);
typedef GetProcessHeapsDart = int Function(int, Pointer<Void>);
final GetProcessHeaps = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<GetProcessHeapsNative, GetProcessHeapsDart>('GetProcessHeaps');
// NumberOfHeaps : DWORD -> Uint32
// ProcessHeaps : HANDLE* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetProcessHeaps(
  NumberOfHeaps: DWORD;   // DWORD
  ProcessHeaps: Pointer   // HANDLE* out
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'GetProcessHeaps';

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

foreign import stdcall safe "GetProcessHeaps"
  c_GetProcessHeaps :: Word32 -> Ptr () -> IO Word32
-- NumberOfHeaps : DWORD -> Word32
-- ProcessHeaps : HANDLE* out -> Ptr ()
-- 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 getprocessheaps =
  foreign "GetProcessHeaps"
    (uint32_t @-> (ptr void) @-> returning uint32_t)
(* NumberOfHeaps : DWORD -> uint32_t *)
(* ProcessHeaps : HANDLE* out -> (ptr void) *)
(* 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 ("GetProcessHeaps" get-process-heaps :convention :stdcall) :uint32
  (number-of-heaps :uint32)   ; DWORD
  (process-heaps :pointer))   ; HANDLE* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

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