ReportISNSServerListA

// ISCSIDSC.dll  (ANSI / -A)
#include <windows.h>

DWORD ReportISNSServerListA(
    DWORD* BufferSizeInChar,
    LPSTR Buffer   // optional
);

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

' BufferSizeInChar : DWORD* in/out
' Buffer : LPSTR optional, out
Declare PtrSafe Function ReportISNSServerListA Lib "iscsidsc" ( _
    ByRef BufferSizeInChar As Long, _
    ByVal Buffer As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

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

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ISCSIDSC.dll')
ReportISNSServerListA = Fiddle::Function.new(
  lib['ReportISNSServerListA'],
  [
    Fiddle::TYPE_VOIDP,  # BufferSizeInChar : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # Buffer : LPSTR optional, out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "iscsidsc")]
extern "system" {
    fn ReportISNSServerListA(
        BufferSizeInChar: *mut u32,  // DWORD* in/out
        Buffer: *mut u8  // LPSTR optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

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

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

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

var (
	iscsidsc = windows.NewLazySystemDLL("ISCSIDSC.dll")
	procReportISNSServerListA = iscsidsc.NewProc("ReportISNSServerListA")
)

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

function ReportISNSServerListA(
  BufferSizeInChar: Pointer;   // DWORD* in/out
  Buffer: PAnsiChar   // LPSTR optional, out
): DWORD; stdcall;
  external 'ISCSIDSC.dll' name 'ReportISNSServerListA';

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

●ReportISNSServerListA(BufferSizeInChar, Buffer) = DLL("ISCSIDSC.dll", "dword ReportISNSServerListA(void*, char*)")
# 呼び出し: ReportISNSServerListA(BufferSizeInChar, Buffer)
# BufferSizeInChar : DWORD* in/out -> "void*"
# Buffer : LPSTR 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)。

const std = @import("std");

extern "iscsidsc" fn ReportISNSServerListA(
    BufferSizeInChar: [*c]u32, // DWORD* in/out
    Buffer: [*c]u8 // LPSTR optional, out
) callconv(std.os.windows.WINAPI) u32;

proc ReportISNSServerListA(
    BufferSizeInChar: ptr uint32,  # DWORD* in/out
    Buffer: ptr char  # LPSTR optional, out
): uint32 {.importc: "ReportISNSServerListA", stdcall, dynlib: "ISCSIDSC.dll".}

pragma(lib, "iscsidsc");
extern(Windows)
uint ReportISNSServerListA(
    uint* BufferSizeInChar,   // DWORD* in/out
    char* Buffer   // LPSTR optional, out
);

ccall((:ReportISNSServerListA, "ISCSIDSC.dll"), stdcall, UInt32,
      (Ptr{UInt32}, Ptr{UInt8}),
      BufferSizeInChar, Buffer)
# BufferSizeInChar : DWORD* in/out -> Ptr{UInt32}
# Buffer : LPSTR optional, out -> Ptr{UInt8}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t ReportISNSServerListA(
    uint32_t* BufferSizeInChar,
    char* Buffer);
]]
local iscsidsc = ffi.load("iscsidsc")
-- iscsidsc.ReportISNSServerListA(BufferSizeInChar, Buffer)
-- BufferSizeInChar : DWORD* in/out
-- Buffer : LPSTR 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。

const koffi = require('koffi');
const lib = koffi.load('ISCSIDSC.dll');
const ReportISNSServerListA = lib.func('__stdcall', 'ReportISNSServerListA', 'uint32_t', ['uint32_t *', 'char *']);
// ReportISNSServerListA(BufferSizeInChar, Buffer)
// BufferSizeInChar : DWORD* in/out -> 'uint32_t *'
// Buffer : LPSTR optional, out -> 'char *'
// 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", {
  ReportISNSServerListA: { parameters: ["pointer", "buffer"], result: "u32" },
});
// lib.symbols.ReportISNSServerListA(BufferSizeInChar, Buffer)
// BufferSizeInChar : DWORD* in/out -> "pointer"
// Buffer : LPSTR optional, out -> "buffer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t ReportISNSServerListA(
    uint32_t* BufferSizeInChar,
    char* Buffer);
C, "ISCSIDSC.dll");
// $ffi->ReportISNSServerListA(BufferSizeInChar, Buffer);
// BufferSizeInChar : DWORD* in/out
// Buffer : LPSTR 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.ASCII_OPTIONS);
    int ReportISNSServerListA(
        IntByReference BufferSizeInChar,   // DWORD* in/out
        byte[] Buffer   // LPSTR optional, out
    );
}

@[Link("iscsidsc")]
lib LibISCSIDSC
  fun ReportISNSServerListA = ReportISNSServerListA(
    BufferSizeInChar : UInt32*,   # DWORD* in/out
    Buffer : UInt8*   # LPSTR 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 ReportISNSServerListANative = Uint32 Function(Pointer<Uint32>, Pointer<Utf8>);
typedef ReportISNSServerListADart = int Function(Pointer<Uint32>, Pointer<Utf8>);
final ReportISNSServerListA = DynamicLibrary.open('ISCSIDSC.dll')
    .lookupFunction<ReportISNSServerListANative, ReportISNSServerListADart>('ReportISNSServerListA');
// BufferSizeInChar : DWORD* in/out -> Pointer<Uint32>
// Buffer : LPSTR optional, out -> Pointer<Utf8>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

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

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

foreign import stdcall safe "ReportISNSServerListA"
  c_ReportISNSServerListA :: Ptr Word32 -> CString -> IO Word32
-- BufferSizeInChar : DWORD* in/out -> Ptr Word32
-- Buffer : LPSTR optional, out -> CString
-- 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 reportisnsserverlista =
  foreign "ReportISNSServerListA"
    ((ptr uint32_t) @-> string @-> returning uint32_t)
(* BufferSizeInChar : DWORD* in/out -> (ptr uint32_t) *)
(* Buffer : LPSTR optional, out -> string *)
(* 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 ("ReportISNSServerListA" report-isnsserver-list-a :convention :stdcall) :uint32
  (buffer-size-in-char :pointer)   ; DWORD* in/out
  (buffer :pointer))   ; LPSTR optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ReportISNSServerListA = Win32::API::More->new('ISCSIDSC',
    'DWORD ReportISNSServerListA(LPVOID BufferSizeInChar, LPSTR Buffer)');
# my $ret = $ReportISNSServerListA->Call($BufferSizeInChar, $Buffer);
# BufferSizeInChar : DWORD* in/out -> LPVOID
# Buffer : LPSTR optional, out -> LPSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。