NetGetJoinableOUs

// NETAPI32.dll
#include <windows.h>

DWORD NetGetJoinableOUs(
    LPCWSTR lpServer,
    LPCWSTR lpDomain,
    LPCWSTR lpAccount,   // optional
    LPCWSTR lpPassword,   // optional
    DWORD* OUCount,
    LPWSTR** OUs
);

<DllImport("NETAPI32.dll", ExactSpelling:=True)>
Public Shared Function NetGetJoinableOUs(
    <MarshalAs(UnmanagedType.LPWStr)> lpServer As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> lpDomain As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> lpAccount As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> lpPassword As String,   ' LPCWSTR optional
    <Out> ByRef OUCount As UInteger,   ' DWORD* out
    OUs As IntPtr   ' LPWSTR** out
) As UInteger
End Function

' lpServer : LPCWSTR
' lpDomain : LPCWSTR
' lpAccount : LPCWSTR optional
' lpPassword : LPCWSTR optional
' OUCount : DWORD* out
' OUs : LPWSTR** out
Declare PtrSafe Function NetGetJoinableOUs Lib "netapi32" ( _
    ByVal lpServer As LongPtr, _
    ByVal lpDomain As LongPtr, _
    ByVal lpAccount As LongPtr, _
    ByVal lpPassword As LongPtr, _
    ByRef OUCount As Long, _
    ByVal OUs 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

NetGetJoinableOUs = ctypes.windll.netapi32.NetGetJoinableOUs
NetGetJoinableOUs.restype = wintypes.DWORD
NetGetJoinableOUs.argtypes = [
    wintypes.LPCWSTR,  # lpServer : LPCWSTR
    wintypes.LPCWSTR,  # lpDomain : LPCWSTR
    wintypes.LPCWSTR,  # lpAccount : LPCWSTR optional
    wintypes.LPCWSTR,  # lpPassword : LPCWSTR optional
    ctypes.POINTER(wintypes.DWORD),  # OUCount : DWORD* out
    ctypes.c_void_p,  # OUs : LPWSTR** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
NetGetJoinableOUs = Fiddle::Function.new(
  lib['NetGetJoinableOUs'],
  [
    Fiddle::TYPE_VOIDP,  # lpServer : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpDomain : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpAccount : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # lpPassword : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # OUCount : DWORD* out
    Fiddle::TYPE_VOIDP,  # OUs : LPWSTR** out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "netapi32")]
extern "system" {
    fn NetGetJoinableOUs(
        lpServer: *const u16,  // LPCWSTR
        lpDomain: *const u16,  // LPCWSTR
        lpAccount: *const u16,  // LPCWSTR optional
        lpPassword: *const u16,  // LPCWSTR optional
        OUCount: *mut u32,  // DWORD* out
        OUs: *mut *mut *mut u16  // LPWSTR** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("NETAPI32.dll")]
public static extern uint NetGetJoinableOUs([MarshalAs(UnmanagedType.LPWStr)] string lpServer, [MarshalAs(UnmanagedType.LPWStr)] string lpDomain, [MarshalAs(UnmanagedType.LPWStr)] string lpAccount, [MarshalAs(UnmanagedType.LPWStr)] string lpPassword, out uint OUCount, IntPtr OUs);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_NetGetJoinableOUs' -Namespace Win32 -PassThru
# $api::NetGetJoinableOUs(lpServer, lpDomain, lpAccount, lpPassword, OUCount, OUs)

#uselib "NETAPI32.dll"
#func global NetGetJoinableOUs "NetGetJoinableOUs" sptr, sptr, sptr, sptr, sptr, sptr
; NetGetJoinableOUs lpServer, lpDomain, lpAccount, lpPassword, varptr(OUCount), varptr(OUs)   ; 戻り値は stat
; lpServer : LPCWSTR -> "sptr"
; lpDomain : LPCWSTR -> "sptr"
; lpAccount : LPCWSTR optional -> "sptr"
; lpPassword : LPCWSTR optional -> "sptr"
; OUCount : DWORD* out -> "sptr"
; OUs : LPWSTR** 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 "NETAPI32.dll"
#cfunc global NetGetJoinableOUs "NetGetJoinableOUs" wstr, wstr, wstr, wstr, var, var
; res = NetGetJoinableOUs(lpServer, lpDomain, lpAccount, lpPassword, OUCount, OUs)
; lpServer : LPCWSTR -> "wstr"
; lpDomain : LPCWSTR -> "wstr"
; lpAccount : LPCWSTR optional -> "wstr"
; lpPassword : LPCWSTR optional -> "wstr"
; OUCount : DWORD* out -> "var"
; OUs : LPWSTR** 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。

; DWORD NetGetJoinableOUs(LPCWSTR lpServer, LPCWSTR lpDomain, LPCWSTR lpAccount, LPCWSTR lpPassword, DWORD* OUCount, LPWSTR** OUs)
#uselib "NETAPI32.dll"
#cfunc global NetGetJoinableOUs "NetGetJoinableOUs" wstr, wstr, wstr, wstr, var, var
; res = NetGetJoinableOUs(lpServer, lpDomain, lpAccount, lpPassword, OUCount, OUs)
; lpServer : LPCWSTR -> "wstr"
; lpDomain : LPCWSTR -> "wstr"
; lpAccount : LPCWSTR optional -> "wstr"
; lpPassword : LPCWSTR optional -> "wstr"
; OUCount : DWORD* out -> "var"
; OUs : LPWSTR** 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 (
	netapi32 = windows.NewLazySystemDLL("NETAPI32.dll")
	procNetGetJoinableOUs = netapi32.NewProc("NetGetJoinableOUs")
)

// lpServer (LPCWSTR), lpDomain (LPCWSTR), lpAccount (LPCWSTR optional), lpPassword (LPCWSTR optional), OUCount (DWORD* out), OUs (LPWSTR** out)
r1, _, err := procNetGetJoinableOUs.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpServer))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpDomain))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpAccount))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpPassword))),
	uintptr(OUCount),
	uintptr(OUs),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function NetGetJoinableOUs(
  lpServer: PWideChar;   // LPCWSTR
  lpDomain: PWideChar;   // LPCWSTR
  lpAccount: PWideChar;   // LPCWSTR optional
  lpPassword: PWideChar;   // LPCWSTR optional
  OUCount: Pointer;   // DWORD* out
  OUs: PPWideChar   // LPWSTR** out
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'NetGetJoinableOUs';

result := DllCall("NETAPI32\NetGetJoinableOUs"
    , "WStr", lpServer   ; LPCWSTR
    , "WStr", lpDomain   ; LPCWSTR
    , "WStr", lpAccount   ; LPCWSTR optional
    , "WStr", lpPassword   ; LPCWSTR optional
    , "Ptr", OUCount   ; DWORD* out
    , "Ptr", OUs   ; LPWSTR** out
    , "UInt")   ; return: DWORD

●NetGetJoinableOUs(lpServer, lpDomain, lpAccount, lpPassword, OUCount, OUs) = DLL("NETAPI32.dll", "dword NetGetJoinableOUs(char*, char*, char*, char*, void*, void*)")
# 呼び出し: NetGetJoinableOUs(lpServer, lpDomain, lpAccount, lpPassword, OUCount, OUs)
# lpServer : LPCWSTR -> "char*"
# lpDomain : LPCWSTR -> "char*"
# lpAccount : LPCWSTR optional -> "char*"
# lpPassword : LPCWSTR optional -> "char*"
# OUCount : DWORD* out -> "void*"
# OUs : LPWSTR** 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)。