ClusterGetEnumCountEx

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

DWORD ClusterGetEnumCountEx(
    HCLUSENUMEX hClusterEnum
);

<DllImport("CLUSAPI.dll", ExactSpelling:=True)>
Public Shared Function ClusterGetEnumCountEx(
    hClusterEnum As IntPtr   ' HCLUSENUMEX
) As UInteger
End Function

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

import ctypes
from ctypes import wintypes

ClusterGetEnumCountEx = ctypes.windll.clusapi.ClusterGetEnumCountEx
ClusterGetEnumCountEx.restype = wintypes.DWORD
ClusterGetEnumCountEx.argtypes = [
    ctypes.c_ssize_t,  # hClusterEnum : HCLUSENUMEX
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
ClusterGetEnumCountEx = Fiddle::Function.new(
  lib['ClusterGetEnumCountEx'],
  [
    Fiddle::TYPE_INTPTR_T,  # hClusterEnum : HCLUSENUMEX
  ],
  -Fiddle::TYPE_INT)

#[link(name = "clusapi")]
extern "system" {
    fn ClusterGetEnumCountEx(
        hClusterEnum: isize  // HCLUSENUMEX
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CLUSAPI.dll")]
public static extern uint ClusterGetEnumCountEx(IntPtr hClusterEnum);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_ClusterGetEnumCountEx' -Namespace Win32 -PassThru
# $api::ClusterGetEnumCountEx(hClusterEnum)

#uselib "CLUSAPI.dll"
#func global ClusterGetEnumCountEx "ClusterGetEnumCountEx" sptr
; ClusterGetEnumCountEx hClusterEnum   ; 戻り値は stat
; hClusterEnum : HCLUSENUMEX -> "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 ClusterGetEnumCountEx "ClusterGetEnumCountEx" sptr
; res = ClusterGetEnumCountEx(hClusterEnum)
; hClusterEnum : HCLUSENUMEX -> "sptr"

; DWORD ClusterGetEnumCountEx(HCLUSENUMEX hClusterEnum)
#uselib "CLUSAPI.dll"
#cfunc global ClusterGetEnumCountEx "ClusterGetEnumCountEx" intptr
; res = ClusterGetEnumCountEx(hClusterEnum)
; hClusterEnum : HCLUSENUMEX -> "intptr"

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

var (
	clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
	procClusterGetEnumCountEx = clusapi.NewProc("ClusterGetEnumCountEx")
)

// hClusterEnum (HCLUSENUMEX)
r1, _, err := procClusterGetEnumCountEx.Call(
	uintptr(hClusterEnum),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ClusterGetEnumCountEx(
  hClusterEnum: NativeInt   // HCLUSENUMEX
): DWORD; stdcall;
  external 'CLUSAPI.dll' name 'ClusterGetEnumCountEx';

result := DllCall("CLUSAPI\ClusterGetEnumCountEx"
    , "Ptr", hClusterEnum   ; HCLUSENUMEX
    , "UInt")   ; return: DWORD

●ClusterGetEnumCountEx(hClusterEnum) = DLL("CLUSAPI.dll", "dword ClusterGetEnumCountEx(int)")
# 呼び出し: ClusterGetEnumCountEx(hClusterEnum)
# hClusterEnum : HCLUSENUMEX -> "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)。