ClusterGroupSetOpenEnum

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

HGROUPSETENUM ClusterGroupSetOpenEnum(
    HCLUSTER hCluster
);

<DllImport("CLUSAPI.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function ClusterGroupSetOpenEnum(
    hCluster As IntPtr   ' HCLUSTER
) As IntPtr
End Function

' hCluster : HCLUSTER
Declare PtrSafe Function ClusterGroupSetOpenEnum Lib "clusapi" ( _
    ByVal hCluster As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ClusterGroupSetOpenEnum = ctypes.windll.clusapi.ClusterGroupSetOpenEnum
ClusterGroupSetOpenEnum.restype = ctypes.c_ssize_t
ClusterGroupSetOpenEnum.argtypes = [
    ctypes.c_ssize_t,  # hCluster : HCLUSTER
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
ClusterGroupSetOpenEnum = Fiddle::Function.new(
  lib['ClusterGroupSetOpenEnum'],
  [
    Fiddle::TYPE_INTPTR_T,  # hCluster : HCLUSTER
  ],
  Fiddle::TYPE_INTPTR_T)

#[link(name = "clusapi")]
extern "system" {
    fn ClusterGroupSetOpenEnum(
        hCluster: isize  // HCLUSTER
    ) -> isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CLUSAPI.dll", SetLastError = true)]
public static extern IntPtr ClusterGroupSetOpenEnum(IntPtr hCluster);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_ClusterGroupSetOpenEnum' -Namespace Win32 -PassThru
# $api::ClusterGroupSetOpenEnum(hCluster)

#uselib "CLUSAPI.dll"
#func global ClusterGroupSetOpenEnum "ClusterGroupSetOpenEnum" sptr
; ClusterGroupSetOpenEnum hCluster   ; 戻り値は stat
; hCluster : HCLUSTER -> "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。

#uselib "CLUSAPI.dll"
#cfunc global ClusterGroupSetOpenEnum "ClusterGroupSetOpenEnum" sptr
; res = ClusterGroupSetOpenEnum(hCluster)
; hCluster : HCLUSTER -> "sptr"

; HGROUPSETENUM ClusterGroupSetOpenEnum(HCLUSTER hCluster)
#uselib "CLUSAPI.dll"
#cfunc global ClusterGroupSetOpenEnum "ClusterGroupSetOpenEnum" intptr
; res = ClusterGroupSetOpenEnum(hCluster)
; hCluster : HCLUSTER -> "intptr"

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

var (
	clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
	procClusterGroupSetOpenEnum = clusapi.NewProc("ClusterGroupSetOpenEnum")
)

// hCluster (HCLUSTER)
r1, _, err := procClusterGroupSetOpenEnum.Call(
	uintptr(hCluster),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HGROUPSETENUM

function ClusterGroupSetOpenEnum(
  hCluster: NativeInt   // HCLUSTER
): NativeInt; stdcall;
  external 'CLUSAPI.dll' name 'ClusterGroupSetOpenEnum';

result := DllCall("CLUSAPI\ClusterGroupSetOpenEnum"
    , "Ptr", hCluster   ; HCLUSTER
    , "Ptr")   ; return: HGROUPSETENUM

●ClusterGroupSetOpenEnum(hCluster) = DLL("CLUSAPI.dll", "int ClusterGroupSetOpenEnum(int)")
# 呼び出し: ClusterGroupSetOpenEnum(hCluster)
# hCluster : HCLUSTER -> "int"
# 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)。