NetEnumerateServiceAccounts

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

NTSTATUS NetEnumerateServiceAccounts(
    LPWSTR ServerName,   // optional
    DWORD Flags,
    DWORD* AccountsCount,
    WORD*** Accounts
);

<DllImport("NETAPI32.dll", ExactSpelling:=True)>
Public Shared Function NetEnumerateServiceAccounts(
    <MarshalAs(UnmanagedType.LPWStr)> ServerName As String,   ' LPWSTR optional
    Flags As UInteger,   ' DWORD
    <Out> ByRef AccountsCount As UInteger,   ' DWORD* out
    Accounts As IntPtr   ' WORD*** out
) As Integer
End Function

' ServerName : LPWSTR optional
' Flags : DWORD
' AccountsCount : DWORD* out
' Accounts : WORD*** out
Declare PtrSafe Function NetEnumerateServiceAccounts Lib "netapi32" ( _
    ByVal ServerName As LongPtr, _
    ByVal Flags As Long, _
    ByRef AccountsCount As Long, _
    ByVal Accounts 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

NetEnumerateServiceAccounts = ctypes.windll.netapi32.NetEnumerateServiceAccounts
NetEnumerateServiceAccounts.restype = ctypes.c_int
NetEnumerateServiceAccounts.argtypes = [
    wintypes.LPCWSTR,  # ServerName : LPWSTR optional
    wintypes.DWORD,  # Flags : DWORD
    ctypes.POINTER(wintypes.DWORD),  # AccountsCount : DWORD* out
    ctypes.c_void_p,  # Accounts : WORD*** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
NetEnumerateServiceAccounts = Fiddle::Function.new(
  lib['NetEnumerateServiceAccounts'],
  [
    Fiddle::TYPE_VOIDP,  # ServerName : LPWSTR optional
    -Fiddle::TYPE_INT,  # Flags : DWORD
    Fiddle::TYPE_VOIDP,  # AccountsCount : DWORD* out
    Fiddle::TYPE_VOIDP,  # Accounts : WORD*** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "netapi32")]
extern "system" {
    fn NetEnumerateServiceAccounts(
        ServerName: *mut u16,  // LPWSTR optional
        Flags: u32,  // DWORD
        AccountsCount: *mut u32,  // DWORD* out
        Accounts: *mut *mut *mut u16  // WORD*** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("NETAPI32.dll")]
public static extern int NetEnumerateServiceAccounts([MarshalAs(UnmanagedType.LPWStr)] string ServerName, uint Flags, out uint AccountsCount, IntPtr Accounts);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_NetEnumerateServiceAccounts' -Namespace Win32 -PassThru
# $api::NetEnumerateServiceAccounts(ServerName, Flags, AccountsCount, Accounts)

#uselib "NETAPI32.dll"
#func global NetEnumerateServiceAccounts "NetEnumerateServiceAccounts" sptr, sptr, sptr, sptr
; NetEnumerateServiceAccounts ServerName, Flags, varptr(AccountsCount), varptr(Accounts)   ; 戻り値は stat
; ServerName : LPWSTR optional -> "sptr"
; Flags : DWORD -> "sptr"
; AccountsCount : DWORD* out -> "sptr"
; Accounts : WORD*** 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 NetEnumerateServiceAccounts "NetEnumerateServiceAccounts" wstr, int, var, var
; res = NetEnumerateServiceAccounts(ServerName, Flags, AccountsCount, Accounts)
; ServerName : LPWSTR optional -> "wstr"
; Flags : DWORD -> "int"
; AccountsCount : DWORD* out -> "var"
; Accounts : WORD*** 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。

; NTSTATUS NetEnumerateServiceAccounts(LPWSTR ServerName, DWORD Flags, DWORD* AccountsCount, WORD*** Accounts)
#uselib "NETAPI32.dll"
#cfunc global NetEnumerateServiceAccounts "NetEnumerateServiceAccounts" wstr, int, var, var
; res = NetEnumerateServiceAccounts(ServerName, Flags, AccountsCount, Accounts)
; ServerName : LPWSTR optional -> "wstr"
; Flags : DWORD -> "int"
; AccountsCount : DWORD* out -> "var"
; Accounts : WORD*** 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")
	procNetEnumerateServiceAccounts = netapi32.NewProc("NetEnumerateServiceAccounts")
)

// ServerName (LPWSTR optional), Flags (DWORD), AccountsCount (DWORD* out), Accounts (WORD*** out)
r1, _, err := procNetEnumerateServiceAccounts.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(ServerName))),
	uintptr(Flags),
	uintptr(AccountsCount),
	uintptr(Accounts),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // NTSTATUS

function NetEnumerateServiceAccounts(
  ServerName: PWideChar;   // LPWSTR optional
  Flags: DWORD;   // DWORD
  AccountsCount: Pointer;   // DWORD* out
  Accounts: Pointer   // WORD*** out
): Integer; stdcall;
  external 'NETAPI32.dll' name 'NetEnumerateServiceAccounts';

result := DllCall("NETAPI32\NetEnumerateServiceAccounts"
    , "WStr", ServerName   ; LPWSTR optional
    , "UInt", Flags   ; DWORD
    , "Ptr", AccountsCount   ; DWORD* out
    , "Ptr", Accounts   ; WORD*** out
    , "Int")   ; return: NTSTATUS

●NetEnumerateServiceAccounts(ServerName, Flags, AccountsCount, Accounts) = DLL("NETAPI32.dll", "int NetEnumerateServiceAccounts(char*, dword, void*, void*)")
# 呼び出し: NetEnumerateServiceAccounts(ServerName, Flags, AccountsCount, Accounts)
# ServerName : LPWSTR optional -> "char*"
# Flags : DWORD -> "dword"
# AccountsCount : DWORD* out -> "void*"
# Accounts : WORD*** 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)。