GetImageUnusedHeaderBytes

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

DWORD GetImageUnusedHeaderBytes(
    LOADED_IMAGE* LoadedImage,
    DWORD* SizeUnusedHeaderBytes
);

<DllImport("imagehlp.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetImageUnusedHeaderBytes(
    LoadedImage As IntPtr,   ' LOADED_IMAGE*
    <Out> ByRef SizeUnusedHeaderBytes As UInteger   ' DWORD* out
) As UInteger
End Function

' LoadedImage : LOADED_IMAGE*
' SizeUnusedHeaderBytes : DWORD* out
Declare PtrSafe Function GetImageUnusedHeaderBytes Lib "imagehlp" ( _
    ByVal LoadedImage As LongPtr, _
    ByRef SizeUnusedHeaderBytes As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetImageUnusedHeaderBytes = ctypes.windll.imagehlp.GetImageUnusedHeaderBytes
GetImageUnusedHeaderBytes.restype = wintypes.DWORD
GetImageUnusedHeaderBytes.argtypes = [
    ctypes.c_void_p,  # LoadedImage : LOADED_IMAGE*
    ctypes.POINTER(wintypes.DWORD),  # SizeUnusedHeaderBytes : DWORD* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('imagehlp.dll')
GetImageUnusedHeaderBytes = Fiddle::Function.new(
  lib['GetImageUnusedHeaderBytes'],
  [
    Fiddle::TYPE_VOIDP,  # LoadedImage : LOADED_IMAGE*
    Fiddle::TYPE_VOIDP,  # SizeUnusedHeaderBytes : DWORD* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "imagehlp")]
extern "system" {
    fn GetImageUnusedHeaderBytes(
        LoadedImage: *mut LOADED_IMAGE,  // LOADED_IMAGE*
        SizeUnusedHeaderBytes: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("imagehlp.dll", SetLastError = true)]
public static extern uint GetImageUnusedHeaderBytes(IntPtr LoadedImage, out uint SizeUnusedHeaderBytes);
"@
$api = Add-Type -MemberDefinition $sig -Name 'imagehlp_GetImageUnusedHeaderBytes' -Namespace Win32 -PassThru
# $api::GetImageUnusedHeaderBytes(LoadedImage, SizeUnusedHeaderBytes)

#uselib "imagehlp.dll"
#func global GetImageUnusedHeaderBytes "GetImageUnusedHeaderBytes" sptr, sptr
; GetImageUnusedHeaderBytes varptr(LoadedImage), varptr(SizeUnusedHeaderBytes)   ; 戻り値は stat
; LoadedImage : LOADED_IMAGE* -> "sptr"
; SizeUnusedHeaderBytes : DWORD* 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 (
	imagehlp = windows.NewLazySystemDLL("imagehlp.dll")
	procGetImageUnusedHeaderBytes = imagehlp.NewProc("GetImageUnusedHeaderBytes")
)

// LoadedImage (LOADED_IMAGE*), SizeUnusedHeaderBytes (DWORD* out)
r1, _, err := procGetImageUnusedHeaderBytes.Call(
	uintptr(LoadedImage),
	uintptr(SizeUnusedHeaderBytes),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetImageUnusedHeaderBytes(
  LoadedImage: Pointer;   // LOADED_IMAGE*
  SizeUnusedHeaderBytes: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'imagehlp.dll' name 'GetImageUnusedHeaderBytes';

result := DllCall("imagehlp\GetImageUnusedHeaderBytes"
    , "Ptr", LoadedImage   ; LOADED_IMAGE*
    , "Ptr", SizeUnusedHeaderBytes   ; DWORD* out
    , "UInt")   ; return: DWORD

●GetImageUnusedHeaderBytes(LoadedImage, SizeUnusedHeaderBytes) = DLL("imagehlp.dll", "dword GetImageUnusedHeaderBytes(void*, void*)")
# 呼び出し: GetImageUnusedHeaderBytes(LoadedImage, SizeUnusedHeaderBytes)
# LoadedImage : LOADED_IMAGE* -> "void*"
# SizeUnusedHeaderBytes : DWORD* 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 "imagehlp" fn GetImageUnusedHeaderBytes(
    LoadedImage: [*c]LOADED_IMAGE, // LOADED_IMAGE*
    SizeUnusedHeaderBytes: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) u32;

proc GetImageUnusedHeaderBytes(
    LoadedImage: ptr LOADED_IMAGE,  # LOADED_IMAGE*
    SizeUnusedHeaderBytes: ptr uint32  # DWORD* out
): uint32 {.importc: "GetImageUnusedHeaderBytes", stdcall, dynlib: "imagehlp.dll".}

pragma(lib, "imagehlp");
extern(Windows)
uint GetImageUnusedHeaderBytes(
    LOADED_IMAGE* LoadedImage,   // LOADED_IMAGE*
    uint* SizeUnusedHeaderBytes   // DWORD* out
);

ccall((:GetImageUnusedHeaderBytes, "imagehlp.dll"), stdcall, UInt32,
      (Ptr{LOADED_IMAGE}, Ptr{UInt32}),
      LoadedImage, SizeUnusedHeaderBytes)
# LoadedImage : LOADED_IMAGE* -> Ptr{LOADED_IMAGE}
# SizeUnusedHeaderBytes : DWORD* out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t GetImageUnusedHeaderBytes(
    void* LoadedImage,
    uint32_t* SizeUnusedHeaderBytes);
]]
local imagehlp = ffi.load("imagehlp")
-- imagehlp.GetImageUnusedHeaderBytes(LoadedImage, SizeUnusedHeaderBytes)
-- LoadedImage : LOADED_IMAGE*
-- SizeUnusedHeaderBytes : DWORD* 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('imagehlp.dll');
const GetImageUnusedHeaderBytes = lib.func('__stdcall', 'GetImageUnusedHeaderBytes', 'uint32_t', ['void *', 'uint32_t *']);
// GetImageUnusedHeaderBytes(LoadedImage, SizeUnusedHeaderBytes)
// LoadedImage : LOADED_IMAGE* -> 'void *'
// SizeUnusedHeaderBytes : DWORD* 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("imagehlp.dll", {
  GetImageUnusedHeaderBytes: { parameters: ["pointer", "pointer"], result: "u32" },
});
// lib.symbols.GetImageUnusedHeaderBytes(LoadedImage, SizeUnusedHeaderBytes)
// LoadedImage : LOADED_IMAGE* -> "pointer"
// SizeUnusedHeaderBytes : DWORD* 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 GetImageUnusedHeaderBytes(
    void* LoadedImage,
    uint32_t* SizeUnusedHeaderBytes);
C, "imagehlp.dll");
// $ffi->GetImageUnusedHeaderBytes(LoadedImage, SizeUnusedHeaderBytes);
// LoadedImage : LOADED_IMAGE*
// SizeUnusedHeaderBytes : DWORD* 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 Imagehlp extends StdCallLibrary {
    Imagehlp INSTANCE = Native.load("imagehlp", Imagehlp.class);
    int GetImageUnusedHeaderBytes(
        Pointer LoadedImage,   // LOADED_IMAGE*
        IntByReference SizeUnusedHeaderBytes   // DWORD* out
    );
}

@[Link("imagehlp")]
lib Libimagehlp
  fun GetImageUnusedHeaderBytes = GetImageUnusedHeaderBytes(
    LoadedImage : LOADED_IMAGE*,   # LOADED_IMAGE*
    SizeUnusedHeaderBytes : UInt32*   # DWORD* 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 GetImageUnusedHeaderBytesNative = Uint32 Function(Pointer<Void>, Pointer<Uint32>);
typedef GetImageUnusedHeaderBytesDart = int Function(Pointer<Void>, Pointer<Uint32>);
final GetImageUnusedHeaderBytes = DynamicLibrary.open('imagehlp.dll')
    .lookupFunction<GetImageUnusedHeaderBytesNative, GetImageUnusedHeaderBytesDart>('GetImageUnusedHeaderBytes');
// LoadedImage : LOADED_IMAGE* -> Pointer<Void>
// SizeUnusedHeaderBytes : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetImageUnusedHeaderBytes(
  LoadedImage: Pointer;   // LOADED_IMAGE*
  SizeUnusedHeaderBytes: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'imagehlp.dll' name 'GetImageUnusedHeaderBytes';

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

foreign import stdcall safe "GetImageUnusedHeaderBytes"
  c_GetImageUnusedHeaderBytes :: Ptr () -> Ptr Word32 -> IO Word32
-- LoadedImage : LOADED_IMAGE* -> Ptr ()
-- SizeUnusedHeaderBytes : DWORD* 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 getimageunusedheaderbytes =
  foreign "GetImageUnusedHeaderBytes"
    ((ptr void) @-> (ptr uint32_t) @-> returning uint32_t)
(* LoadedImage : LOADED_IMAGE* -> (ptr void) *)
(* SizeUnusedHeaderBytes : DWORD* 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 imagehlp (t "imagehlp.dll"))
(cffi:use-foreign-library imagehlp)

(cffi:defcfun ("GetImageUnusedHeaderBytes" get-image-unused-header-bytes :convention :stdcall) :uint32
  (loaded-image :pointer)   ; LOADED_IMAGE*
  (size-unused-header-bytes :pointer))   ; DWORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetImageUnusedHeaderBytes = Win32::API::More->new('imagehlp',
    'DWORD GetImageUnusedHeaderBytes(LPVOID LoadedImage, LPVOID SizeUnusedHeaderBytes)');
# my $ret = $GetImageUnusedHeaderBytes->Call($LoadedImage, $SizeUnusedHeaderBytes);
# LoadedImage : LOADED_IMAGE* -> LPVOID
# SizeUnusedHeaderBytes : DWORD* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。