ImageLoad

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

LOADED_IMAGE* ImageLoad(
    LPCSTR DllName,
    LPCSTR DllPath   // optional
);

<DllImport("imagehlp.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function ImageLoad(
    <MarshalAs(UnmanagedType.LPStr)> DllName As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> DllPath As String   ' LPCSTR optional
) As IntPtr
End Function

' DllName : LPCSTR
' DllPath : LPCSTR optional
Declare PtrSafe Function ImageLoad Lib "imagehlp" ( _
    ByVal DllName As String, _
    ByVal DllPath As String) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ImageLoad = ctypes.windll.imagehlp.ImageLoad
ImageLoad.restype = ctypes.c_void_p
ImageLoad.argtypes = [
    wintypes.LPCSTR,  # DllName : LPCSTR
    wintypes.LPCSTR,  # DllPath : LPCSTR optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('imagehlp.dll')
ImageLoad = Fiddle::Function.new(
  lib['ImageLoad'],
  [
    Fiddle::TYPE_VOIDP,  # DllName : LPCSTR
    Fiddle::TYPE_VOIDP,  # DllPath : LPCSTR optional
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "imagehlp")]
extern "system" {
    fn ImageLoad(
        DllName: *const u8,  // LPCSTR
        DllPath: *const u8  // LPCSTR optional
    ) -> *mut LOADED_IMAGE;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("imagehlp.dll", SetLastError = true)]
public static extern IntPtr ImageLoad([MarshalAs(UnmanagedType.LPStr)] string DllName, [MarshalAs(UnmanagedType.LPStr)] string DllPath);
"@
$api = Add-Type -MemberDefinition $sig -Name 'imagehlp_ImageLoad' -Namespace Win32 -PassThru
# $api::ImageLoad(DllName, DllPath)

#uselib "imagehlp.dll"
#func global ImageLoad "ImageLoad" sptr, sptr
; ImageLoad DllName, DllPath   ; 戻り値は stat
; DllName : LPCSTR -> "sptr"
; DllPath : LPCSTR optional -> "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 "imagehlp.dll"
#cfunc global ImageLoad "ImageLoad" str, str
; res = ImageLoad(DllName, DllPath)
; DllName : LPCSTR -> "str"
; DllPath : LPCSTR optional -> "str"

; LOADED_IMAGE* ImageLoad(LPCSTR DllName, LPCSTR DllPath)
#uselib "imagehlp.dll"
#cfunc global ImageLoad "ImageLoad" str, str
; res = ImageLoad(DllName, DllPath)
; DllName : LPCSTR -> "str"
; DllPath : LPCSTR optional -> "str"

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

var (
	imagehlp = windows.NewLazySystemDLL("imagehlp.dll")
	procImageLoad = imagehlp.NewProc("ImageLoad")
)

// DllName (LPCSTR), DllPath (LPCSTR optional)
r1, _, err := procImageLoad.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(DllName))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(DllPath))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LOADED_IMAGE*

function ImageLoad(
  DllName: PAnsiChar;   // LPCSTR
  DllPath: PAnsiChar   // LPCSTR optional
): Pointer; stdcall;
  external 'imagehlp.dll' name 'ImageLoad';

result := DllCall("imagehlp\ImageLoad"
    , "AStr", DllName   ; LPCSTR
    , "AStr", DllPath   ; LPCSTR optional
    , "Ptr")   ; return: LOADED_IMAGE*

●ImageLoad(DllName, DllPath) = DLL("imagehlp.dll", "void* ImageLoad(char*, char*)")
# 呼び出し: ImageLoad(DllName, DllPath)
# DllName : LPCSTR -> "char*"
# DllPath : LPCSTR optional -> "char*"
# 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)。