DsGetDcSiteCoverageW

// NETAPI32.dll  (Unicode / -W)
#include <windows.h>

DWORD DsGetDcSiteCoverageW(
    LPCWSTR ServerName,   // optional
    DWORD* EntryCount,
    LPWSTR** SiteNames
);

<DllImport("NETAPI32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function DsGetDcSiteCoverageW(
    <MarshalAs(UnmanagedType.LPWStr)> ServerName As String,   ' LPCWSTR optional
    <Out> ByRef EntryCount As UInteger,   ' DWORD* out
    SiteNames As IntPtr   ' LPWSTR** out
) As UInteger
End Function

' ServerName : LPCWSTR optional
' EntryCount : DWORD* out
' SiteNames : LPWSTR** out
Declare PtrSafe Function DsGetDcSiteCoverageW Lib "netapi32" ( _
    ByVal ServerName As LongPtr, _
    ByRef EntryCount As Long, _
    ByVal SiteNames As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DsGetDcSiteCoverageW = ctypes.windll.netapi32.DsGetDcSiteCoverageW
DsGetDcSiteCoverageW.restype = wintypes.DWORD
DsGetDcSiteCoverageW.argtypes = [
    wintypes.LPCWSTR,  # ServerName : LPCWSTR optional
    ctypes.POINTER(wintypes.DWORD),  # EntryCount : DWORD* out
    ctypes.c_void_p,  # SiteNames : LPWSTR** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
DsGetDcSiteCoverageW = Fiddle::Function.new(
  lib['DsGetDcSiteCoverageW'],
  [
    Fiddle::TYPE_VOIDP,  # ServerName : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # EntryCount : DWORD* out
    Fiddle::TYPE_VOIDP,  # SiteNames : LPWSTR** out
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "netapi32")]
extern "system" {
    fn DsGetDcSiteCoverageW(
        ServerName: *const u16,  // LPCWSTR optional
        EntryCount: *mut u32,  // DWORD* out
        SiteNames: *mut *mut *mut u16  // LPWSTR** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("NETAPI32.dll", CharSet = CharSet.Unicode)]
public static extern uint DsGetDcSiteCoverageW([MarshalAs(UnmanagedType.LPWStr)] string ServerName, out uint EntryCount, IntPtr SiteNames);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_DsGetDcSiteCoverageW' -Namespace Win32 -PassThru
# $api::DsGetDcSiteCoverageW(ServerName, EntryCount, SiteNames)

#uselib "NETAPI32.dll"
#func global DsGetDcSiteCoverageW "DsGetDcSiteCoverageW" wptr, wptr, wptr
; DsGetDcSiteCoverageW ServerName, varptr(EntryCount), varptr(SiteNames)   ; 戻り値は stat
; ServerName : LPCWSTR optional -> "wptr"
; EntryCount : DWORD* out -> "wptr"
; SiteNames : LPWSTR** out -> "wptr"
; ※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 DsGetDcSiteCoverageW "DsGetDcSiteCoverageW" wstr, var, var
; res = DsGetDcSiteCoverageW(ServerName, EntryCount, SiteNames)
; ServerName : LPCWSTR optional -> "wstr"
; EntryCount : DWORD* out -> "var"
; SiteNames : 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 DsGetDcSiteCoverageW(LPCWSTR ServerName, DWORD* EntryCount, LPWSTR** SiteNames)
#uselib "NETAPI32.dll"
#cfunc global DsGetDcSiteCoverageW "DsGetDcSiteCoverageW" wstr, var, var
; res = DsGetDcSiteCoverageW(ServerName, EntryCount, SiteNames)
; ServerName : LPCWSTR optional -> "wstr"
; EntryCount : DWORD* out -> "var"
; SiteNames : 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")
	procDsGetDcSiteCoverageW = netapi32.NewProc("DsGetDcSiteCoverageW")
)

// ServerName (LPCWSTR optional), EntryCount (DWORD* out), SiteNames (LPWSTR** out)
r1, _, err := procDsGetDcSiteCoverageW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(ServerName))),
	uintptr(EntryCount),
	uintptr(SiteNames),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DsGetDcSiteCoverageW(
  ServerName: PWideChar;   // LPCWSTR optional
  EntryCount: Pointer;   // DWORD* out
  SiteNames: PPWideChar   // LPWSTR** out
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'DsGetDcSiteCoverageW';

result := DllCall("NETAPI32\DsGetDcSiteCoverageW"
    , "WStr", ServerName   ; LPCWSTR optional
    , "Ptr", EntryCount   ; DWORD* out
    , "Ptr", SiteNames   ; LPWSTR** out
    , "UInt")   ; return: DWORD

●DsGetDcSiteCoverageW(ServerName, EntryCount, SiteNames) = DLL("NETAPI32.dll", "dword DsGetDcSiteCoverageW(char*, void*, void*)")
# 呼び出し: DsGetDcSiteCoverageW(ServerName, EntryCount, SiteNames)
# ServerName : LPCWSTR optional -> "char*"
# EntryCount : DWORD* out -> "void*"
# SiteNames : 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。