ClusterGetEnumCount

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

DWORD ClusterGetEnumCount(
    HCLUSENUM hEnum
);

<DllImport("CLUSAPI.dll", ExactSpelling:=True)>
Public Shared Function ClusterGetEnumCount(
    hEnum As IntPtr   ' HCLUSENUM
) As UInteger
End Function

' hEnum : HCLUSENUM
Declare PtrSafe Function ClusterGetEnumCount Lib "clusapi" ( _
    ByVal hEnum 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

ClusterGetEnumCount = ctypes.windll.clusapi.ClusterGetEnumCount
ClusterGetEnumCount.restype = wintypes.DWORD
ClusterGetEnumCount.argtypes = [
    ctypes.c_ssize_t,  # hEnum : HCLUSENUM
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
ClusterGetEnumCount = Fiddle::Function.new(
  lib['ClusterGetEnumCount'],
  [
    Fiddle::TYPE_INTPTR_T,  # hEnum : HCLUSENUM
  ],
  -Fiddle::TYPE_INT)

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

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

#uselib "CLUSAPI.dll"
#func global ClusterGetEnumCount "ClusterGetEnumCount" sptr
; ClusterGetEnumCount hEnum   ; 戻り値は stat
; hEnum : HCLUSENUM -> "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 ClusterGetEnumCount "ClusterGetEnumCount" sptr
; res = ClusterGetEnumCount(hEnum)
; hEnum : HCLUSENUM -> "sptr"

; DWORD ClusterGetEnumCount(HCLUSENUM hEnum)
#uselib "CLUSAPI.dll"
#cfunc global ClusterGetEnumCount "ClusterGetEnumCount" intptr
; res = ClusterGetEnumCount(hEnum)
; hEnum : HCLUSENUM -> "intptr"

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

var (
	clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
	procClusterGetEnumCount = clusapi.NewProc("ClusterGetEnumCount")
)

// hEnum (HCLUSENUM)
r1, _, err := procClusterGetEnumCount.Call(
	uintptr(hEnum),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ClusterGetEnumCount(
  hEnum: NativeInt   // HCLUSENUM
): DWORD; stdcall;
  external 'CLUSAPI.dll' name 'ClusterGetEnumCount';

result := DllCall("CLUSAPI\ClusterGetEnumCount"
    , "Ptr", hEnum   ; HCLUSENUM
    , "UInt")   ; return: DWORD

●ClusterGetEnumCount(hEnum) = DLL("CLUSAPI.dll", "dword ClusterGetEnumCount(int)")
# 呼び出し: ClusterGetEnumCount(hEnum)
# hEnum : HCLUSENUM -> "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)。