ClusterGroupSetEnum

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

DWORD ClusterGroupSetEnum(
    HGROUPSETENUM hGroupSetEnum,
    DWORD dwIndex,
    LPWSTR lpszName,
    DWORD* lpcchName
);

<DllImport("CLUSAPI.dll", ExactSpelling:=True)>
Public Shared Function ClusterGroupSetEnum(
    hGroupSetEnum As IntPtr,   ' HGROUPSETENUM
    dwIndex As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> lpszName As System.Text.StringBuilder,   ' LPWSTR out
    ByRef lpcchName As UInteger   ' DWORD* in/out
) As UInteger
End Function

' hGroupSetEnum : HGROUPSETENUM
' dwIndex : DWORD
' lpszName : LPWSTR out
' lpcchName : DWORD* in/out
Declare PtrSafe Function ClusterGroupSetEnum Lib "clusapi" ( _
    ByVal hGroupSetEnum As LongPtr, _
    ByVal dwIndex As Long, _
    ByVal lpszName As LongPtr, _
    ByRef lpcchName As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ClusterGroupSetEnum = ctypes.windll.clusapi.ClusterGroupSetEnum
ClusterGroupSetEnum.restype = wintypes.DWORD
ClusterGroupSetEnum.argtypes = [
    ctypes.c_ssize_t,  # hGroupSetEnum : HGROUPSETENUM
    wintypes.DWORD,  # dwIndex : DWORD
    wintypes.LPWSTR,  # lpszName : LPWSTR out
    ctypes.POINTER(wintypes.DWORD),  # lpcchName : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
ClusterGroupSetEnum = Fiddle::Function.new(
  lib['ClusterGroupSetEnum'],
  [
    Fiddle::TYPE_INTPTR_T,  # hGroupSetEnum : HGROUPSETENUM
    -Fiddle::TYPE_INT,  # dwIndex : DWORD
    Fiddle::TYPE_VOIDP,  # lpszName : LPWSTR out
    Fiddle::TYPE_VOIDP,  # lpcchName : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "clusapi")]
extern "system" {
    fn ClusterGroupSetEnum(
        hGroupSetEnum: isize,  // HGROUPSETENUM
        dwIndex: u32,  // DWORD
        lpszName: *mut u16,  // LPWSTR out
        lpcchName: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CLUSAPI.dll")]
public static extern uint ClusterGroupSetEnum(IntPtr hGroupSetEnum, uint dwIndex, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpszName, ref uint lpcchName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_ClusterGroupSetEnum' -Namespace Win32 -PassThru
# $api::ClusterGroupSetEnum(hGroupSetEnum, dwIndex, lpszName, lpcchName)

#uselib "CLUSAPI.dll"
#func global ClusterGroupSetEnum "ClusterGroupSetEnum" sptr, sptr, sptr, sptr
; ClusterGroupSetEnum hGroupSetEnum, dwIndex, varptr(lpszName), varptr(lpcchName)   ; 戻り値は stat
; hGroupSetEnum : HGROUPSETENUM -> "sptr"
; dwIndex : DWORD -> "sptr"
; lpszName : LPWSTR out -> "sptr"
; lpcchName : DWORD* in/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 (
	clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
	procClusterGroupSetEnum = clusapi.NewProc("ClusterGroupSetEnum")
)

// hGroupSetEnum (HGROUPSETENUM), dwIndex (DWORD), lpszName (LPWSTR out), lpcchName (DWORD* in/out)
r1, _, err := procClusterGroupSetEnum.Call(
	uintptr(hGroupSetEnum),
	uintptr(dwIndex),
	uintptr(lpszName),
	uintptr(lpcchName),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ClusterGroupSetEnum(
  hGroupSetEnum: NativeInt;   // HGROUPSETENUM
  dwIndex: DWORD;   // DWORD
  lpszName: PWideChar;   // LPWSTR out
  lpcchName: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'CLUSAPI.dll' name 'ClusterGroupSetEnum';

result := DllCall("CLUSAPI\ClusterGroupSetEnum"
    , "Ptr", hGroupSetEnum   ; HGROUPSETENUM
    , "UInt", dwIndex   ; DWORD
    , "Ptr", lpszName   ; LPWSTR out
    , "Ptr", lpcchName   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●ClusterGroupSetEnum(hGroupSetEnum, dwIndex, lpszName, lpcchName) = DLL("CLUSAPI.dll", "dword ClusterGroupSetEnum(int, dword, char*, void*)")
# 呼び出し: ClusterGroupSetEnum(hGroupSetEnum, dwIndex, lpszName, lpcchName)
# hGroupSetEnum : HGROUPSETENUM -> "int"
# dwIndex : DWORD -> "dword"
# lpszName : LPWSTR out -> "char*"
# lpcchName : DWORD* 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)。

const std = @import("std");

extern "clusapi" fn ClusterGroupSetEnum(
    hGroupSetEnum: isize, // HGROUPSETENUM
    dwIndex: u32, // DWORD
    lpszName: [*c]u16, // LPWSTR out
    lpcchName: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) u32;

proc ClusterGroupSetEnum(
    hGroupSetEnum: int,  # HGROUPSETENUM
    dwIndex: uint32,  # DWORD
    lpszName: ptr uint16,  # LPWSTR out
    lpcchName: ptr uint32  # DWORD* in/out
): uint32 {.importc: "ClusterGroupSetEnum", stdcall, dynlib: "CLUSAPI.dll".}

pragma(lib, "clusapi");
extern(Windows)
uint ClusterGroupSetEnum(
    ptrdiff_t hGroupSetEnum,   // HGROUPSETENUM
    uint dwIndex,   // DWORD
    wchar* lpszName,   // LPWSTR out
    uint* lpcchName   // DWORD* in/out
);

ccall((:ClusterGroupSetEnum, "CLUSAPI.dll"), stdcall, UInt32,
      (Int, UInt32, Ptr{UInt16}, Ptr{UInt32}),
      hGroupSetEnum, dwIndex, lpszName, lpcchName)
# hGroupSetEnum : HGROUPSETENUM -> Int
# dwIndex : DWORD -> UInt32
# lpszName : LPWSTR out -> Ptr{UInt16}
# lpcchName : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t ClusterGroupSetEnum(
    intptr_t hGroupSetEnum,
    uint32_t dwIndex,
    uint16_t* lpszName,
    uint32_t* lpcchName);
]]
local clusapi = ffi.load("clusapi")
-- clusapi.ClusterGroupSetEnum(hGroupSetEnum, dwIndex, lpszName, lpcchName)
-- hGroupSetEnum : HGROUPSETENUM
-- dwIndex : DWORD
-- lpszName : LPWSTR out
-- lpcchName : DWORD* 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。

const koffi = require('koffi');
const lib = koffi.load('CLUSAPI.dll');
const ClusterGroupSetEnum = lib.func('__stdcall', 'ClusterGroupSetEnum', 'uint32_t', ['intptr_t', 'uint32_t', 'uint16_t *', 'uint32_t *']);
// ClusterGroupSetEnum(hGroupSetEnum, dwIndex, lpszName, lpcchName)
// hGroupSetEnum : HGROUPSETENUM -> 'intptr_t'
// dwIndex : DWORD -> 'uint32_t'
// lpszName : LPWSTR out -> 'uint16_t *'
// lpcchName : DWORD* in/out -> 'uint32_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("CLUSAPI.dll", {
  ClusterGroupSetEnum: { parameters: ["isize", "u32", "buffer", "pointer"], result: "u32" },
});
// lib.symbols.ClusterGroupSetEnum(hGroupSetEnum, dwIndex, lpszName, lpcchName)
// hGroupSetEnum : HGROUPSETENUM -> "isize"
// dwIndex : DWORD -> "u32"
// lpszName : LPWSTR out -> "buffer"
// lpcchName : DWORD* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t ClusterGroupSetEnum(
    intptr_t hGroupSetEnum,
    uint32_t dwIndex,
    uint16_t* lpszName,
    uint32_t* lpcchName);
C, "CLUSAPI.dll");
// $ffi->ClusterGroupSetEnum(hGroupSetEnum, dwIndex, lpszName, lpcchName);
// hGroupSetEnum : HGROUPSETENUM
// dwIndex : DWORD
// lpszName : LPWSTR out
// lpcchName : DWORD* 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 Clusapi extends StdCallLibrary {
    Clusapi INSTANCE = Native.load("clusapi", Clusapi.class);
    int ClusterGroupSetEnum(
        long hGroupSetEnum,   // HGROUPSETENUM
        int dwIndex,   // DWORD
        char[] lpszName,   // LPWSTR out
        IntByReference lpcchName   // DWORD* in/out
    );
}

@[Link("clusapi")]
lib LibCLUSAPI
  fun ClusterGroupSetEnum = ClusterGroupSetEnum(
    hGroupSetEnum : LibC::SSizeT,   # HGROUPSETENUM
    dwIndex : UInt32,   # DWORD
    lpszName : UInt16*,   # LPWSTR out
    lpcchName : UInt32*   # DWORD* 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 ClusterGroupSetEnumNative = Uint32 Function(IntPtr, Uint32, Pointer<Utf16>, Pointer<Uint32>);
typedef ClusterGroupSetEnumDart = int Function(int, int, Pointer<Utf16>, Pointer<Uint32>);
final ClusterGroupSetEnum = DynamicLibrary.open('CLUSAPI.dll')
    .lookupFunction<ClusterGroupSetEnumNative, ClusterGroupSetEnumDart>('ClusterGroupSetEnum');
// hGroupSetEnum : HGROUPSETENUM -> IntPtr
// dwIndex : DWORD -> Uint32
// lpszName : LPWSTR out -> Pointer<Utf16>
// lpcchName : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ClusterGroupSetEnum(
  hGroupSetEnum: NativeInt;   // HGROUPSETENUM
  dwIndex: DWORD;   // DWORD
  lpszName: PWideChar;   // LPWSTR out
  lpcchName: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'CLUSAPI.dll' name 'ClusterGroupSetEnum';

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

foreign import stdcall safe "ClusterGroupSetEnum"
  c_ClusterGroupSetEnum :: CIntPtr -> Word32 -> CWString -> Ptr Word32 -> IO Word32
-- hGroupSetEnum : HGROUPSETENUM -> CIntPtr
-- dwIndex : DWORD -> Word32
-- lpszName : LPWSTR out -> CWString
-- lpcchName : DWORD* in/out -> Ptr Word32
-- 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 clustergroupsetenum =
  foreign "ClusterGroupSetEnum"
    (intptr_t @-> uint32_t @-> (ptr uint16_t) @-> (ptr uint32_t) @-> returning uint32_t)
(* hGroupSetEnum : HGROUPSETENUM -> intptr_t *)
(* dwIndex : DWORD -> uint32_t *)
(* lpszName : LPWSTR out -> (ptr uint16_t) *)
(* lpcchName : DWORD* in/out -> (ptr uint32_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 clusapi (t "CLUSAPI.dll"))
(cffi:use-foreign-library clusapi)

(cffi:defcfun ("ClusterGroupSetEnum" cluster-group-set-enum :convention :stdcall) :uint32
  (h-group-set-enum :int64)   ; HGROUPSETENUM
  (dw-index :uint32)   ; DWORD
  (lpsz-name :pointer)   ; LPWSTR out
  (lpcch-name :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ClusterGroupSetEnum = Win32::API::More->new('CLUSAPI',
    'DWORD ClusterGroupSetEnum(LPARAM hGroupSetEnum, DWORD dwIndex, LPWSTR lpszName, LPVOID lpcchName)');
# my $ret = $ClusterGroupSetEnum->Call($hGroupSetEnum, $dwIndex, $lpszName, $lpcchName);
# hGroupSetEnum : HGROUPSETENUM -> LPARAM
# dwIndex : DWORD -> DWORD
# lpszName : LPWSTR out -> LPWSTR
# lpcchName : DWORD* 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。