LoadLibraryShim

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

HRESULT LoadLibraryShim(
    LPCWSTR szDllName,
    LPCWSTR szVersion,
    void* pvReserved,
    HMODULE* phModDll
);

<DllImport("MSCorEE.dll", ExactSpelling:=True)>
Public Shared Function LoadLibraryShim(
    <MarshalAs(UnmanagedType.LPWStr)> szDllName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> szVersion As String,   ' LPCWSTR
    pvReserved As IntPtr,   ' void* in/out
    phModDll As IntPtr   ' HMODULE* in/out
) As Integer
End Function

' szDllName : LPCWSTR
' szVersion : LPCWSTR
' pvReserved : void* in/out
' phModDll : HMODULE* in/out
Declare PtrSafe Function LoadLibraryShim Lib "mscoree" ( _
    ByVal szDllName As LongPtr, _
    ByVal szVersion As LongPtr, _
    ByVal pvReserved As LongPtr, _
    ByVal phModDll 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

LoadLibraryShim = ctypes.windll.mscoree.LoadLibraryShim
LoadLibraryShim.restype = ctypes.c_int
LoadLibraryShim.argtypes = [
    wintypes.LPCWSTR,  # szDllName : LPCWSTR
    wintypes.LPCWSTR,  # szVersion : LPCWSTR
    ctypes.POINTER(None),  # pvReserved : void* in/out
    ctypes.c_void_p,  # phModDll : HMODULE* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSCorEE.dll')
LoadLibraryShim = Fiddle::Function.new(
  lib['LoadLibraryShim'],
  [
    Fiddle::TYPE_VOIDP,  # szDllName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # szVersion : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pvReserved : void* in/out
    Fiddle::TYPE_VOIDP,  # phModDll : HMODULE* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mscoree")]
extern "system" {
    fn LoadLibraryShim(
        szDllName: *const u16,  // LPCWSTR
        szVersion: *const u16,  // LPCWSTR
        pvReserved: *mut (),  // void* in/out
        phModDll: *mut *mut core::ffi::c_void  // HMODULE* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MSCorEE.dll")]
public static extern int LoadLibraryShim([MarshalAs(UnmanagedType.LPWStr)] string szDllName, [MarshalAs(UnmanagedType.LPWStr)] string szVersion, IntPtr pvReserved, IntPtr phModDll);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSCorEE_LoadLibraryShim' -Namespace Win32 -PassThru
# $api::LoadLibraryShim(szDllName, szVersion, pvReserved, phModDll)

#uselib "MSCorEE.dll"
#func global LoadLibraryShim "LoadLibraryShim" sptr, sptr, sptr, sptr
; LoadLibraryShim szDllName, szVersion, pvReserved, phModDll   ; 戻り値は stat
; szDllName : LPCWSTR -> "sptr"
; szVersion : LPCWSTR -> "sptr"
; pvReserved : void* in/out -> "sptr"
; phModDll : HMODULE* in/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 "MSCorEE.dll"
#cfunc global LoadLibraryShim "LoadLibraryShim" wstr, wstr, sptr, sptr
; res = LoadLibraryShim(szDllName, szVersion, pvReserved, phModDll)
; szDllName : LPCWSTR -> "wstr"
; szVersion : LPCWSTR -> "wstr"
; pvReserved : void* in/out -> "sptr"
; phModDll : HMODULE* in/out -> "sptr"

; HRESULT LoadLibraryShim(LPCWSTR szDllName, LPCWSTR szVersion, void* pvReserved, HMODULE* phModDll)
#uselib "MSCorEE.dll"
#cfunc global LoadLibraryShim "LoadLibraryShim" wstr, wstr, intptr, intptr
; res = LoadLibraryShim(szDllName, szVersion, pvReserved, phModDll)
; szDllName : LPCWSTR -> "wstr"
; szVersion : LPCWSTR -> "wstr"
; pvReserved : void* in/out -> "intptr"
; phModDll : HMODULE* in/out -> "intptr"

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

var (
	mscoree = windows.NewLazySystemDLL("MSCorEE.dll")
	procLoadLibraryShim = mscoree.NewProc("LoadLibraryShim")
)

// szDllName (LPCWSTR), szVersion (LPCWSTR), pvReserved (void* in/out), phModDll (HMODULE* in/out)
r1, _, err := procLoadLibraryShim.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(szDllName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(szVersion))),
	uintptr(pvReserved),
	uintptr(phModDll),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function LoadLibraryShim(
  szDllName: PWideChar;   // LPCWSTR
  szVersion: PWideChar;   // LPCWSTR
  pvReserved: Pointer;   // void* in/out
  phModDll: Pointer   // HMODULE* in/out
): Integer; stdcall;
  external 'MSCorEE.dll' name 'LoadLibraryShim';

result := DllCall("MSCorEE\LoadLibraryShim"
    , "WStr", szDllName   ; LPCWSTR
    , "WStr", szVersion   ; LPCWSTR
    , "Ptr", pvReserved   ; void* in/out
    , "Ptr", phModDll   ; HMODULE* in/out
    , "Int")   ; return: HRESULT

●LoadLibraryShim(szDllName, szVersion, pvReserved, phModDll) = DLL("MSCorEE.dll", "int LoadLibraryShim(char*, char*, void*, void*)")
# 呼び出し: LoadLibraryShim(szDllName, szVersion, pvReserved, phModDll)
# szDllName : LPCWSTR -> "char*"
# szVersion : LPCWSTR -> "char*"
# pvReserved : void* in/out -> "void*"
# phModDll : HMODULE* in/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)。