ReportActiveIScsiTargetMappingsW

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

DWORD ReportActiveIScsiTargetMappingsW(
    DWORD* BufferSize,
    DWORD* MappingCount,
    ISCSI_TARGET_MAPPINGW* Mappings
);

<DllImport("ISCSIDSC.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function ReportActiveIScsiTargetMappingsW(
    ByRef BufferSize As UInteger,   ' DWORD* in/out
    ByRef MappingCount As UInteger,   ' DWORD* in/out
    Mappings As IntPtr   ' ISCSI_TARGET_MAPPINGW* in/out
) As UInteger
End Function

' BufferSize : DWORD* in/out
' MappingCount : DWORD* in/out
' Mappings : ISCSI_TARGET_MAPPINGW* in/out
Declare PtrSafe Function ReportActiveIScsiTargetMappingsW Lib "iscsidsc" ( _
    ByRef BufferSize As Long, _
    ByRef MappingCount As Long, _
    ByVal Mappings 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

ReportActiveIScsiTargetMappingsW = ctypes.windll.iscsidsc.ReportActiveIScsiTargetMappingsW
ReportActiveIScsiTargetMappingsW.restype = wintypes.DWORD
ReportActiveIScsiTargetMappingsW.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # BufferSize : DWORD* in/out
    ctypes.POINTER(wintypes.DWORD),  # MappingCount : DWORD* in/out
    ctypes.c_void_p,  # Mappings : ISCSI_TARGET_MAPPINGW* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ISCSIDSC.dll')
ReportActiveIScsiTargetMappingsW = Fiddle::Function.new(
  lib['ReportActiveIScsiTargetMappingsW'],
  [
    Fiddle::TYPE_VOIDP,  # BufferSize : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # MappingCount : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # Mappings : ISCSI_TARGET_MAPPINGW* in/out
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "iscsidsc")]
extern "system" {
    fn ReportActiveIScsiTargetMappingsW(
        BufferSize: *mut u32,  // DWORD* in/out
        MappingCount: *mut u32,  // DWORD* in/out
        Mappings: *mut ISCSI_TARGET_MAPPINGW  // ISCSI_TARGET_MAPPINGW* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ISCSIDSC.dll", CharSet = CharSet.Unicode)]
public static extern uint ReportActiveIScsiTargetMappingsW(ref uint BufferSize, ref uint MappingCount, IntPtr Mappings);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ISCSIDSC_ReportActiveIScsiTargetMappingsW' -Namespace Win32 -PassThru
# $api::ReportActiveIScsiTargetMappingsW(BufferSize, MappingCount, Mappings)

#uselib "ISCSIDSC.dll"
#func global ReportActiveIScsiTargetMappingsW "ReportActiveIScsiTargetMappingsW" wptr, wptr, wptr
; ReportActiveIScsiTargetMappingsW varptr(BufferSize), varptr(MappingCount), varptr(Mappings)   ; 戻り値は stat
; BufferSize : DWORD* in/out -> "wptr"
; MappingCount : DWORD* in/out -> "wptr"
; Mappings : ISCSI_TARGET_MAPPINGW* in/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")
	procReportActiveIScsiTargetMappingsW = iscsidsc.NewProc("ReportActiveIScsiTargetMappingsW")
)

// BufferSize (DWORD* in/out), MappingCount (DWORD* in/out), Mappings (ISCSI_TARGET_MAPPINGW* in/out)
r1, _, err := procReportActiveIScsiTargetMappingsW.Call(
	uintptr(BufferSize),
	uintptr(MappingCount),
	uintptr(Mappings),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ReportActiveIScsiTargetMappingsW(
  BufferSize: Pointer;   // DWORD* in/out
  MappingCount: Pointer;   // DWORD* in/out
  Mappings: Pointer   // ISCSI_TARGET_MAPPINGW* in/out
): DWORD; stdcall;
  external 'ISCSIDSC.dll' name 'ReportActiveIScsiTargetMappingsW';

result := DllCall("ISCSIDSC\ReportActiveIScsiTargetMappingsW"
    , "Ptr", BufferSize   ; DWORD* in/out
    , "Ptr", MappingCount   ; DWORD* in/out
    , "Ptr", Mappings   ; ISCSI_TARGET_MAPPINGW* in/out
    , "UInt")   ; return: DWORD

●ReportActiveIScsiTargetMappingsW(BufferSize, MappingCount, Mappings) = DLL("ISCSIDSC.dll", "dword ReportActiveIScsiTargetMappingsW(void*, void*, void*)")
# 呼び出し: ReportActiveIScsiTargetMappingsW(BufferSize, MappingCount, Mappings)
# BufferSize : DWORD* in/out -> "void*"
# MappingCount : DWORD* in/out -> "void*"
# Mappings : ISCSI_TARGET_MAPPINGW* in/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。

const std = @import("std");

extern "iscsidsc" fn ReportActiveIScsiTargetMappingsW(
    BufferSize: [*c]u32, // DWORD* in/out
    MappingCount: [*c]u32, // DWORD* in/out
    Mappings: [*c]ISCSI_TARGET_MAPPINGW // ISCSI_TARGET_MAPPINGW* in/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 ReportActiveIScsiTargetMappingsW(
    BufferSize: ptr uint32,  # DWORD* in/out
    MappingCount: ptr uint32,  # DWORD* in/out
    Mappings: ptr ISCSI_TARGET_MAPPINGW  # ISCSI_TARGET_MAPPINGW* in/out
): uint32 {.importc: "ReportActiveIScsiTargetMappingsW", stdcall, dynlib: "ISCSIDSC.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "iscsidsc");
extern(Windows)
uint ReportActiveIScsiTargetMappingsW(
    uint* BufferSize,   // DWORD* in/out
    uint* MappingCount,   // DWORD* in/out
    ISCSI_TARGET_MAPPINGW* Mappings   // ISCSI_TARGET_MAPPINGW* in/out
);

ccall((:ReportActiveIScsiTargetMappingsW, "ISCSIDSC.dll"), stdcall, UInt32,
      (Ptr{UInt32}, Ptr{UInt32}, Ptr{ISCSI_TARGET_MAPPINGW}),
      BufferSize, MappingCount, Mappings)
# BufferSize : DWORD* in/out -> Ptr{UInt32}
# MappingCount : DWORD* in/out -> Ptr{UInt32}
# Mappings : ISCSI_TARGET_MAPPINGW* in/out -> Ptr{ISCSI_TARGET_MAPPINGW}
# 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 ReportActiveIScsiTargetMappingsW(
    uint32_t* BufferSize,
    uint32_t* MappingCount,
    void* Mappings);
]]
local iscsidsc = ffi.load("iscsidsc")
-- iscsidsc.ReportActiveIScsiTargetMappingsW(BufferSize, MappingCount, Mappings)
-- BufferSize : DWORD* in/out
-- MappingCount : DWORD* in/out
-- Mappings : ISCSI_TARGET_MAPPINGW* in/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 ReportActiveIScsiTargetMappingsW = lib.func('__stdcall', 'ReportActiveIScsiTargetMappingsW', 'uint32_t', ['uint32_t *', 'uint32_t *', 'void *']);
// ReportActiveIScsiTargetMappingsW(BufferSize, MappingCount, Mappings)
// BufferSize : DWORD* in/out -> 'uint32_t *'
// MappingCount : DWORD* in/out -> 'uint32_t *'
// Mappings : ISCSI_TARGET_MAPPINGW* in/out -> 'void *'
// 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", {
  ReportActiveIScsiTargetMappingsW: { parameters: ["pointer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.ReportActiveIScsiTargetMappingsW(BufferSize, MappingCount, Mappings)
// BufferSize : DWORD* in/out -> "pointer"
// MappingCount : DWORD* in/out -> "pointer"
// Mappings : ISCSI_TARGET_MAPPINGW* in/out -> "pointer"
// 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 ReportActiveIScsiTargetMappingsW(
    uint32_t* BufferSize,
    uint32_t* MappingCount,
    void* Mappings);
C, "ISCSIDSC.dll");
// $ffi->ReportActiveIScsiTargetMappingsW(BufferSize, MappingCount, Mappings);
// BufferSize : DWORD* in/out
// MappingCount : DWORD* in/out
// Mappings : ISCSI_TARGET_MAPPINGW* in/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 ReportActiveIScsiTargetMappingsW(
        IntByReference BufferSize,   // DWORD* in/out
        IntByReference MappingCount,   // DWORD* in/out
        Pointer Mappings   // ISCSI_TARGET_MAPPINGW* in/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 ReportActiveIScsiTargetMappingsW = ReportActiveIScsiTargetMappingsW(
    BufferSize : UInt32*,   # DWORD* in/out
    MappingCount : UInt32*,   # DWORD* in/out
    Mappings : ISCSI_TARGET_MAPPINGW*   # ISCSI_TARGET_MAPPINGW* in/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 ReportActiveIScsiTargetMappingsWNative = Uint32 Function(Pointer<Uint32>, Pointer<Uint32>, Pointer<Void>);
typedef ReportActiveIScsiTargetMappingsWDart = int Function(Pointer<Uint32>, Pointer<Uint32>, Pointer<Void>);
final ReportActiveIScsiTargetMappingsW = DynamicLibrary.open('ISCSIDSC.dll')
    .lookupFunction<ReportActiveIScsiTargetMappingsWNative, ReportActiveIScsiTargetMappingsWDart>('ReportActiveIScsiTargetMappingsW');
// BufferSize : DWORD* in/out -> Pointer<Uint32>
// MappingCount : DWORD* in/out -> Pointer<Uint32>
// Mappings : ISCSI_TARGET_MAPPINGW* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ReportActiveIScsiTargetMappingsW(
  BufferSize: Pointer;   // DWORD* in/out
  MappingCount: Pointer;   // DWORD* in/out
  Mappings: Pointer   // ISCSI_TARGET_MAPPINGW* in/out
): DWORD; stdcall;
  external 'ISCSIDSC.dll' name 'ReportActiveIScsiTargetMappingsW';

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

foreign import stdcall safe "ReportActiveIScsiTargetMappingsW"
  c_ReportActiveIScsiTargetMappingsW :: Ptr Word32 -> Ptr Word32 -> Ptr () -> IO Word32
-- BufferSize : DWORD* in/out -> Ptr Word32
-- MappingCount : DWORD* in/out -> Ptr Word32
-- Mappings : ISCSI_TARGET_MAPPINGW* in/out -> Ptr ()
-- 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 reportactiveiscsitargetmappingsw =
  foreign "ReportActiveIScsiTargetMappingsW"
    ((ptr uint32_t) @-> (ptr uint32_t) @-> (ptr void) @-> returning uint32_t)
(* BufferSize : DWORD* in/out -> (ptr uint32_t) *)
(* MappingCount : DWORD* in/out -> (ptr uint32_t) *)
(* Mappings : ISCSI_TARGET_MAPPINGW* in/out -> (ptr void) *)
(* 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 ("ReportActiveIScsiTargetMappingsW" report-active-iscsi-target-mappings-w :convention :stdcall) :uint32
  (buffer-size :pointer)   ; DWORD* in/out
  (mapping-count :pointer)   ; DWORD* in/out
  (mappings :pointer))   ; ISCSI_TARGET_MAPPINGW* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ReportActiveIScsiTargetMappingsW = Win32::API::More->new('ISCSIDSC',
    'DWORD ReportActiveIScsiTargetMappingsW(LPVOID BufferSize, LPVOID MappingCount, LPVOID Mappings)');
# my $ret = $ReportActiveIScsiTargetMappingsW->Call($BufferSize, $MappingCount, $Mappings);
# BufferSize : DWORD* in/out -> LPVOID
# MappingCount : DWORD* in/out -> LPVOID
# Mappings : ISCSI_TARGET_MAPPINGW* in/out -> LPVOID
# 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。