ImageDirectoryEntryToData

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

void* ImageDirectoryEntryToData(
    void* Base,
    BOOLEAN MappedAsImage,
    IMAGE_DIRECTORY_ENTRY DirectoryEntry,
    DWORD* Size
);

<DllImport("dbghelp.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function ImageDirectoryEntryToData(
    Base As IntPtr,   ' void*
    <MarshalAs(UnmanagedType.U1)> MappedAsImage As Boolean,   ' BOOLEAN
    DirectoryEntry As UShort,   ' IMAGE_DIRECTORY_ENTRY
    <Out> ByRef Size As UInteger   ' DWORD* out
) As IntPtr
End Function

' Base : void*
' MappedAsImage : BOOLEAN
' DirectoryEntry : IMAGE_DIRECTORY_ENTRY
' Size : DWORD* out
Declare PtrSafe Function ImageDirectoryEntryToData Lib "dbghelp" ( _
    ByVal Base As LongPtr, _
    ByVal MappedAsImage As Byte, _
    ByVal DirectoryEntry As Integer, _
    ByRef Size As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ImageDirectoryEntryToData = ctypes.windll.dbghelp.ImageDirectoryEntryToData
ImageDirectoryEntryToData.restype = ctypes.c_void_p
ImageDirectoryEntryToData.argtypes = [
    ctypes.POINTER(None),  # Base : void*
    ctypes.c_byte,  # MappedAsImage : BOOLEAN
    ctypes.c_ushort,  # DirectoryEntry : IMAGE_DIRECTORY_ENTRY
    ctypes.POINTER(wintypes.DWORD),  # Size : DWORD* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dbghelp.dll')
ImageDirectoryEntryToData = Fiddle::Function.new(
  lib['ImageDirectoryEntryToData'],
  [
    Fiddle::TYPE_VOIDP,  # Base : void*
    Fiddle::TYPE_CHAR,  # MappedAsImage : BOOLEAN
    -Fiddle::TYPE_SHORT,  # DirectoryEntry : IMAGE_DIRECTORY_ENTRY
    Fiddle::TYPE_VOIDP,  # Size : DWORD* out
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "dbghelp")]
extern "system" {
    fn ImageDirectoryEntryToData(
        Base: *mut (),  // void*
        MappedAsImage: u8,  // BOOLEAN
        DirectoryEntry: u16,  // IMAGE_DIRECTORY_ENTRY
        Size: *mut u32  // DWORD* out
    ) -> *mut ();
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("dbghelp.dll", SetLastError = true)]
public static extern IntPtr ImageDirectoryEntryToData(IntPtr Base, [MarshalAs(UnmanagedType.U1)] bool MappedAsImage, ushort DirectoryEntry, out uint Size);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dbghelp_ImageDirectoryEntryToData' -Namespace Win32 -PassThru
# $api::ImageDirectoryEntryToData(Base, MappedAsImage, DirectoryEntry, Size)

#uselib "dbghelp.dll"
#func global ImageDirectoryEntryToData "ImageDirectoryEntryToData" sptr, sptr, sptr, sptr
; ImageDirectoryEntryToData Base, MappedAsImage, DirectoryEntry, varptr(Size)   ; 戻り値は stat
; Base : void* -> "sptr"
; MappedAsImage : BOOLEAN -> "sptr"
; DirectoryEntry : IMAGE_DIRECTORY_ENTRY -> "sptr"
; Size : 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。

#uselib "dbghelp.dll"
#cfunc global ImageDirectoryEntryToData "ImageDirectoryEntryToData" sptr, int, int, var
; res = ImageDirectoryEntryToData(Base, MappedAsImage, DirectoryEntry, Size)
; Base : void* -> "sptr"
; MappedAsImage : BOOLEAN -> "int"
; DirectoryEntry : IMAGE_DIRECTORY_ENTRY -> "int"
; Size : DWORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; void* ImageDirectoryEntryToData(void* Base, BOOLEAN MappedAsImage, IMAGE_DIRECTORY_ENTRY DirectoryEntry, DWORD* Size)
#uselib "dbghelp.dll"
#cfunc global ImageDirectoryEntryToData "ImageDirectoryEntryToData" intptr, int, int, var
; res = ImageDirectoryEntryToData(Base, MappedAsImage, DirectoryEntry, Size)
; Base : void* -> "intptr"
; MappedAsImage : BOOLEAN -> "int"
; DirectoryEntry : IMAGE_DIRECTORY_ENTRY -> "int"
; Size : DWORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	dbghelp = windows.NewLazySystemDLL("dbghelp.dll")
	procImageDirectoryEntryToData = dbghelp.NewProc("ImageDirectoryEntryToData")
)

// Base (void*), MappedAsImage (BOOLEAN), DirectoryEntry (IMAGE_DIRECTORY_ENTRY), Size (DWORD* out)
r1, _, err := procImageDirectoryEntryToData.Call(
	uintptr(Base),
	uintptr(MappedAsImage),
	uintptr(DirectoryEntry),
	uintptr(Size),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void*

function ImageDirectoryEntryToData(
  Base: Pointer;   // void*
  MappedAsImage: ByteBool;   // BOOLEAN
  DirectoryEntry: Word;   // IMAGE_DIRECTORY_ENTRY
  Size: Pointer   // DWORD* out
): Pointer; stdcall;
  external 'dbghelp.dll' name 'ImageDirectoryEntryToData';

result := DllCall("dbghelp\ImageDirectoryEntryToData"
    , "Ptr", Base   ; void*
    , "Char", MappedAsImage   ; BOOLEAN
    , "UShort", DirectoryEntry   ; IMAGE_DIRECTORY_ENTRY
    , "Ptr", Size   ; DWORD* out
    , "Ptr")   ; return: void*

●ImageDirectoryEntryToData(Base, MappedAsImage, DirectoryEntry, Size) = DLL("dbghelp.dll", "void* ImageDirectoryEntryToData(void*, byte, int, void*)")
# 呼び出し: ImageDirectoryEntryToData(Base, MappedAsImage, DirectoryEntry, Size)
# Base : void* -> "void*"
# MappedAsImage : BOOLEAN -> "byte"
# DirectoryEntry : IMAGE_DIRECTORY_ENTRY -> "int"
# Size : 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)。