ReportISNSServerListW

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

DWORD ReportISNSServerListW(
    DWORD* BufferSizeInChar,
    LPWSTR Buffer   // optional
);

<DllImport("ISCSIDSC.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function ReportISNSServerListW(
    ByRef BufferSizeInChar As UInteger,   ' DWORD* in/out
    <MarshalAs(UnmanagedType.LPWStr)> Buffer As System.Text.StringBuilder   ' LPWSTR optional, out
) As UInteger
End Function

' BufferSizeInChar : DWORD* in/out
' Buffer : LPWSTR optional, out
Declare PtrSafe Function ReportISNSServerListW Lib "iscsidsc" ( _
    ByRef BufferSizeInChar As Long, _
    ByVal Buffer 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

ReportISNSServerListW = ctypes.windll.iscsidsc.ReportISNSServerListW
ReportISNSServerListW.restype = wintypes.DWORD
ReportISNSServerListW.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # BufferSizeInChar : DWORD* in/out
    wintypes.LPWSTR,  # Buffer : LPWSTR optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ISCSIDSC.dll')
ReportISNSServerListW = Fiddle::Function.new(
  lib['ReportISNSServerListW'],
  [
    Fiddle::TYPE_VOIDP,  # BufferSizeInChar : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # Buffer : LPWSTR optional, out
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "iscsidsc")]
extern "system" {
    fn ReportISNSServerListW(
        BufferSizeInChar: *mut u32,  // DWORD* in/out
        Buffer: *mut u16  // LPWSTR optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ISCSIDSC.dll", CharSet = CharSet.Unicode)]
public static extern uint ReportISNSServerListW(ref uint BufferSizeInChar, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder Buffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ISCSIDSC_ReportISNSServerListW' -Namespace Win32 -PassThru
# $api::ReportISNSServerListW(BufferSizeInChar, Buffer)

#uselib "ISCSIDSC.dll"
#func global ReportISNSServerListW "ReportISNSServerListW" wptr, wptr
; ReportISNSServerListW varptr(BufferSizeInChar), varptr(Buffer)   ; 戻り値は stat
; BufferSizeInChar : DWORD* in/out -> "wptr"
; Buffer : LPWSTR optional, 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。

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

var (
	iscsidsc = windows.NewLazySystemDLL("ISCSIDSC.dll")
	procReportISNSServerListW = iscsidsc.NewProc("ReportISNSServerListW")
)

// BufferSizeInChar (DWORD* in/out), Buffer (LPWSTR optional, out)
r1, _, err := procReportISNSServerListW.Call(
	uintptr(BufferSizeInChar),
	uintptr(Buffer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ReportISNSServerListW(
  BufferSizeInChar: Pointer;   // DWORD* in/out
  Buffer: PWideChar   // LPWSTR optional, out
): DWORD; stdcall;
  external 'ISCSIDSC.dll' name 'ReportISNSServerListW';

result := DllCall("ISCSIDSC\ReportISNSServerListW"
    , "Ptr", BufferSizeInChar   ; DWORD* in/out
    , "Ptr", Buffer   ; LPWSTR optional, out
    , "UInt")   ; return: DWORD

●ReportISNSServerListW(BufferSizeInChar, Buffer) = DLL("ISCSIDSC.dll", "dword ReportISNSServerListW(void*, char*)")
# 呼び出し: ReportISNSServerListW(BufferSizeInChar, Buffer)
# BufferSizeInChar : DWORD* in/out -> "void*"
# Buffer : LPWSTR optional, out -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "iscsidsc" fn ReportISNSServerListW(
    BufferSizeInChar: [*c]u32, // DWORD* in/out
    Buffer: [*c]u16 // LPWSTR optional, out
) callconv(std.os.windows.WINAPI) u32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc ReportISNSServerListW(
    BufferSizeInChar: ptr uint32,  # DWORD* in/out
    Buffer: ptr uint16  # LPWSTR optional, out
): uint32 {.importc: "ReportISNSServerListW", stdcall, dynlib: "ISCSIDSC.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "iscsidsc");
extern(Windows)
uint ReportISNSServerListW(
    uint* BufferSizeInChar,   // DWORD* in/out
    wchar* Buffer   // LPWSTR optional, out
);

ccall((:ReportISNSServerListW, "ISCSIDSC.dll"), stdcall, UInt32,
      (Ptr{UInt32}, Ptr{UInt16}),
      BufferSizeInChar, Buffer)
# BufferSizeInChar : DWORD* in/out -> Ptr{UInt32}
# Buffer : LPWSTR optional, out -> Ptr{UInt16}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
uint32_t ReportISNSServerListW(
    uint32_t* BufferSizeInChar,
    uint16_t* Buffer);
]]
local iscsidsc = ffi.load("iscsidsc")
-- iscsidsc.ReportISNSServerListW(BufferSizeInChar, Buffer)
-- BufferSizeInChar : DWORD* in/out
-- Buffer : LPWSTR optional, out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('ISCSIDSC.dll');
const ReportISNSServerListW = lib.func('__stdcall', 'ReportISNSServerListW', 'uint32_t', ['uint32_t *', 'uint16_t *']);
// ReportISNSServerListW(BufferSizeInChar, Buffer)
// BufferSizeInChar : DWORD* in/out -> 'uint32_t *'
// Buffer : LPWSTR optional, out -> 'uint16_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("ISCSIDSC.dll", {
  ReportISNSServerListW: { parameters: ["pointer", "buffer"], result: "u32" },
});
// lib.symbols.ReportISNSServerListW(BufferSizeInChar, Buffer)
// BufferSizeInChar : DWORD* in/out -> "pointer"
// Buffer : LPWSTR optional, out -> "buffer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)を Uint8Array で渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t ReportISNSServerListW(
    uint32_t* BufferSizeInChar,
    uint16_t* Buffer);
C, "ISCSIDSC.dll");
// $ffi->ReportISNSServerListW(BufferSizeInChar, Buffer);
// BufferSizeInChar : DWORD* in/out
// Buffer : LPWSTR optional, out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Iscsidsc extends StdCallLibrary {
    Iscsidsc INSTANCE = Native.load("iscsidsc", Iscsidsc.class, W32APIOptions.UNICODE_OPTIONS);
    int ReportISNSServerListW(
        IntByReference BufferSizeInChar,   // DWORD* in/out
        char[] Buffer   // LPWSTR optional, out
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("iscsidsc")]
lib LibISCSIDSC
  fun ReportISNSServerListW = ReportISNSServerListW(
    BufferSizeInChar : UInt32*,   # DWORD* in/out
    Buffer : UInt16*   # LPWSTR optional, out
  ) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef ReportISNSServerListWNative = Uint32 Function(Pointer<Uint32>, Pointer<Utf16>);
typedef ReportISNSServerListWDart = int Function(Pointer<Uint32>, Pointer<Utf16>);
final ReportISNSServerListW = DynamicLibrary.open('ISCSIDSC.dll')
    .lookupFunction<ReportISNSServerListWNative, ReportISNSServerListWDart>('ReportISNSServerListW');
// BufferSizeInChar : DWORD* in/out -> Pointer<Uint32>
// Buffer : LPWSTR optional, out -> Pointer<Utf16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ReportISNSServerListW(
  BufferSizeInChar: Pointer;   // DWORD* in/out
  Buffer: PWideChar   // LPWSTR optional, out
): DWORD; stdcall;
  external 'ISCSIDSC.dll' name 'ReportISNSServerListW';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "ReportISNSServerListW"
  c_ReportISNSServerListW :: Ptr Word32 -> CWString -> IO Word32
-- BufferSizeInChar : DWORD* in/out -> Ptr Word32
-- Buffer : LPWSTR optional, out -> CWString
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let reportisnsserverlistw =
  foreign "ReportISNSServerListW"
    ((ptr uint32_t) @-> (ptr uint16_t) @-> returning uint32_t)
(* BufferSizeInChar : DWORD* in/out -> (ptr uint32_t) *)
(* Buffer : LPWSTR optional, out -> (ptr uint16_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library iscsidsc (t "ISCSIDSC.dll"))
(cffi:use-foreign-library iscsidsc)

(cffi:defcfun ("ReportISNSServerListW" report-isnsserver-list-w :convention :stdcall) :uint32
  (buffer-size-in-char :pointer)   ; DWORD* in/out
  (buffer :pointer))   ; LPWSTR optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ReportISNSServerListW = Win32::API::More->new('ISCSIDSC',
    'DWORD ReportISNSServerListW(LPVOID BufferSizeInChar, LPWSTR Buffer)');
# my $ret = $ReportISNSServerListW->Call($BufferSizeInChar, $Buffer);
# BufferSizeInChar : DWORD* in/out -> LPVOID
# Buffer : LPWSTR optional, out -> LPWSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。