HeapCreate

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

HANDLE HeapCreate(
    HEAP_FLAGS flOptions,
    UINT_PTR dwInitialSize,
    UINT_PTR dwMaximumSize
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function HeapCreate(
    flOptions As UInteger,   ' HEAP_FLAGS
    dwInitialSize As UIntPtr,   ' UINT_PTR
    dwMaximumSize As UIntPtr   ' UINT_PTR
) As IntPtr
End Function

' flOptions : HEAP_FLAGS
' dwInitialSize : UINT_PTR
' dwMaximumSize : UINT_PTR
Declare PtrSafe Function HeapCreate Lib "kernel32" ( _
    ByVal flOptions As Long, _
    ByVal dwInitialSize As LongPtr, _
    ByVal dwMaximumSize As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

HeapCreate = ctypes.windll.kernel32.HeapCreate
HeapCreate.restype = ctypes.c_void_p
HeapCreate.argtypes = [
    wintypes.DWORD,  # flOptions : HEAP_FLAGS
    ctypes.c_size_t,  # dwInitialSize : UINT_PTR
    ctypes.c_size_t,  # dwMaximumSize : UINT_PTR
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
HeapCreate = Fiddle::Function.new(
  lib['HeapCreate'],
  [
    -Fiddle::TYPE_INT,  # flOptions : HEAP_FLAGS
    Fiddle::TYPE_UINTPTR_T,  # dwInitialSize : UINT_PTR
    Fiddle::TYPE_UINTPTR_T,  # dwMaximumSize : UINT_PTR
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "kernel32")]
extern "system" {
    fn HeapCreate(
        flOptions: u32,  // HEAP_FLAGS
        dwInitialSize: usize,  // UINT_PTR
        dwMaximumSize: usize  // UINT_PTR
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern IntPtr HeapCreate(uint flOptions, UIntPtr dwInitialSize, UIntPtr dwMaximumSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_HeapCreate' -Namespace Win32 -PassThru
# $api::HeapCreate(flOptions, dwInitialSize, dwMaximumSize)

#uselib "KERNEL32.dll"
#func global HeapCreate "HeapCreate" sptr, sptr, sptr
; HeapCreate flOptions, dwInitialSize, dwMaximumSize   ; 戻り値は stat
; flOptions : HEAP_FLAGS -> "sptr"
; dwInitialSize : UINT_PTR -> "sptr"
; dwMaximumSize : UINT_PTR -> "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 HeapCreate "HeapCreate" int, sptr, sptr
; res = HeapCreate(flOptions, dwInitialSize, dwMaximumSize)
; flOptions : HEAP_FLAGS -> "int"
; dwInitialSize : UINT_PTR -> "sptr"
; dwMaximumSize : UINT_PTR -> "sptr"

; HANDLE HeapCreate(HEAP_FLAGS flOptions, UINT_PTR dwInitialSize, UINT_PTR dwMaximumSize)
#uselib "KERNEL32.dll"
#cfunc global HeapCreate "HeapCreate" int, intptr, intptr
; res = HeapCreate(flOptions, dwInitialSize, dwMaximumSize)
; flOptions : HEAP_FLAGS -> "int"
; dwInitialSize : UINT_PTR -> "intptr"
; dwMaximumSize : UINT_PTR -> "intptr"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procHeapCreate = kernel32.NewProc("HeapCreate")
)

// flOptions (HEAP_FLAGS), dwInitialSize (UINT_PTR), dwMaximumSize (UINT_PTR)
r1, _, err := procHeapCreate.Call(
	uintptr(flOptions),
	uintptr(dwInitialSize),
	uintptr(dwMaximumSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HANDLE

function HeapCreate(
  flOptions: DWORD;   // HEAP_FLAGS
  dwInitialSize: NativeUInt;   // UINT_PTR
  dwMaximumSize: NativeUInt   // UINT_PTR
): THandle; stdcall;
  external 'KERNEL32.dll' name 'HeapCreate';

result := DllCall("KERNEL32\HeapCreate"
    , "UInt", flOptions   ; HEAP_FLAGS
    , "UPtr", dwInitialSize   ; UINT_PTR
    , "UPtr", dwMaximumSize   ; UINT_PTR
    , "Ptr")   ; return: HANDLE

●HeapCreate(flOptions, dwInitialSize, dwMaximumSize) = DLL("KERNEL32.dll", "void* HeapCreate(dword, int, int)")
# 呼び出し: HeapCreate(flOptions, dwInitialSize, dwMaximumSize)
# flOptions : HEAP_FLAGS -> "dword"
# dwInitialSize : UINT_PTR -> "int"
# dwMaximumSize : UINT_PTR -> "int"
# 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 HeapCreate(
    flOptions: u32, // HEAP_FLAGS
    dwInitialSize: usize, // UINT_PTR
    dwMaximumSize: usize // UINT_PTR
) callconv(std.os.windows.WINAPI) ?*anyopaque;

proc HeapCreate(
    flOptions: uint32,  # HEAP_FLAGS
    dwInitialSize: uint,  # UINT_PTR
    dwMaximumSize: uint  # UINT_PTR
): pointer {.importc: "HeapCreate", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
void* HeapCreate(
    uint flOptions,   // HEAP_FLAGS
    size_t dwInitialSize,   // UINT_PTR
    size_t dwMaximumSize   // UINT_PTR
);

ccall((:HeapCreate, "KERNEL32.dll"), stdcall, Ptr{Cvoid},
      (UInt32, Csize_t, Csize_t),
      flOptions, dwInitialSize, dwMaximumSize)
# flOptions : HEAP_FLAGS -> UInt32
# dwInitialSize : UINT_PTR -> Csize_t
# dwMaximumSize : UINT_PTR -> Csize_t
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void* HeapCreate(
    uint32_t flOptions,
    uintptr_t dwInitialSize,
    uintptr_t dwMaximumSize);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.HeapCreate(flOptions, dwInitialSize, dwMaximumSize)
-- flOptions : HEAP_FLAGS
-- dwInitialSize : UINT_PTR
-- dwMaximumSize : UINT_PTR
-- 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 HeapCreate = lib.func('__stdcall', 'HeapCreate', 'void *', ['uint32_t', 'uintptr_t', 'uintptr_t']);
// HeapCreate(flOptions, dwInitialSize, dwMaximumSize)
// flOptions : HEAP_FLAGS -> 'uint32_t'
// dwInitialSize : UINT_PTR -> 'uintptr_t'
// dwMaximumSize : UINT_PTR -> 'uintptr_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", {
  HeapCreate: { parameters: ["u32", "usize", "usize"], result: "pointer" },
});
// lib.symbols.HeapCreate(flOptions, dwInitialSize, dwMaximumSize)
// flOptions : HEAP_FLAGS -> "u32"
// dwInitialSize : UINT_PTR -> "usize"
// dwMaximumSize : UINT_PTR -> "usize"
// 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
void* HeapCreate(
    uint32_t flOptions,
    size_t dwInitialSize,
    size_t dwMaximumSize);
C, "KERNEL32.dll");
// $ffi->HeapCreate(flOptions, dwInitialSize, dwMaximumSize);
// flOptions : HEAP_FLAGS
// dwInitialSize : UINT_PTR
// dwMaximumSize : UINT_PTR
// 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);
    Pointer HeapCreate(
        int flOptions,   // HEAP_FLAGS
        long dwInitialSize,   // UINT_PTR
        long dwMaximumSize   // UINT_PTR
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun HeapCreate = HeapCreate(
    flOptions : UInt32,   # HEAP_FLAGS
    dwInitialSize : LibC::SizeT,   # UINT_PTR
    dwMaximumSize : LibC::SizeT   # UINT_PTR
  ) : Void*
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 HeapCreateNative = Pointer<Void> Function(Uint32, UintPtr, UintPtr);
typedef HeapCreateDart = Pointer<Void> Function(int, int, int);
final HeapCreate = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<HeapCreateNative, HeapCreateDart>('HeapCreate');
// flOptions : HEAP_FLAGS -> Uint32
// dwInitialSize : UINT_PTR -> UintPtr
// dwMaximumSize : UINT_PTR -> UintPtr
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function HeapCreate(
  flOptions: DWORD;   // HEAP_FLAGS
  dwInitialSize: NativeUInt;   // UINT_PTR
  dwMaximumSize: NativeUInt   // UINT_PTR
): THandle; stdcall;
  external 'KERNEL32.dll' name 'HeapCreate';

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

foreign import stdcall safe "HeapCreate"
  c_HeapCreate :: Word32 -> CUIntPtr -> CUIntPtr -> IO (Ptr ())
-- flOptions : HEAP_FLAGS -> Word32
-- dwInitialSize : UINT_PTR -> CUIntPtr
-- dwMaximumSize : UINT_PTR -> CUIntPtr
-- 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 heapcreate =
  foreign "HeapCreate"
    (uint32_t @-> size_t @-> size_t @-> returning (ptr void))
(* flOptions : HEAP_FLAGS -> uint32_t *)
(* dwInitialSize : UINT_PTR -> size_t *)
(* dwMaximumSize : UINT_PTR -> size_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 ("HeapCreate" heap-create :convention :stdcall) :pointer
  (fl-options :uint32)   ; HEAP_FLAGS
  (dw-initial-size :uint64)   ; UINT_PTR
  (dw-maximum-size :uint64))   ; UINT_PTR
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $HeapCreate = Win32::API::More->new('KERNEL32',
    'HANDLE HeapCreate(DWORD flOptions, WPARAM dwInitialSize, WPARAM dwMaximumSize)');
# my $ret = $HeapCreate->Call($flOptions, $dwInitialSize, $dwMaximumSize);
# flOptions : HEAP_FLAGS -> DWORD
# dwInitialSize : UINT_PTR -> WPARAM
# dwMaximumSize : UINT_PTR -> WPARAM
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。