ClusterNodeGetEnumCount

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

DWORD ClusterNodeGetEnumCount(
    HNODEENUM hNodeEnum
);

<DllImport("CLUSAPI.dll", ExactSpelling:=True)>
Public Shared Function ClusterNodeGetEnumCount(
    hNodeEnum As IntPtr   ' HNODEENUM
) As UInteger
End Function

' hNodeEnum : HNODEENUM
Declare PtrSafe Function ClusterNodeGetEnumCount Lib "clusapi" ( _
    ByVal hNodeEnum 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

ClusterNodeGetEnumCount = ctypes.windll.clusapi.ClusterNodeGetEnumCount
ClusterNodeGetEnumCount.restype = wintypes.DWORD
ClusterNodeGetEnumCount.argtypes = [
    ctypes.c_ssize_t,  # hNodeEnum : HNODEENUM
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
ClusterNodeGetEnumCount = Fiddle::Function.new(
  lib['ClusterNodeGetEnumCount'],
  [
    Fiddle::TYPE_INTPTR_T,  # hNodeEnum : HNODEENUM
  ],
  -Fiddle::TYPE_INT)

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

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

#uselib "CLUSAPI.dll"
#func global ClusterNodeGetEnumCount "ClusterNodeGetEnumCount" sptr
; ClusterNodeGetEnumCount hNodeEnum   ; 戻り値は stat
; hNodeEnum : HNODEENUM -> "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 ClusterNodeGetEnumCount "ClusterNodeGetEnumCount" sptr
; res = ClusterNodeGetEnumCount(hNodeEnum)
; hNodeEnum : HNODEENUM -> "sptr"

; DWORD ClusterNodeGetEnumCount(HNODEENUM hNodeEnum)
#uselib "CLUSAPI.dll"
#cfunc global ClusterNodeGetEnumCount "ClusterNodeGetEnumCount" intptr
; res = ClusterNodeGetEnumCount(hNodeEnum)
; hNodeEnum : HNODEENUM -> "intptr"

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

var (
	clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
	procClusterNodeGetEnumCount = clusapi.NewProc("ClusterNodeGetEnumCount")
)

// hNodeEnum (HNODEENUM)
r1, _, err := procClusterNodeGetEnumCount.Call(
	uintptr(hNodeEnum),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ClusterNodeGetEnumCount(
  hNodeEnum: NativeInt   // HNODEENUM
): DWORD; stdcall;
  external 'CLUSAPI.dll' name 'ClusterNodeGetEnumCount';

result := DllCall("CLUSAPI\ClusterNodeGetEnumCount"
    , "Ptr", hNodeEnum   ; HNODEENUM
    , "UInt")   ; return: DWORD

●ClusterNodeGetEnumCount(hNodeEnum) = DLL("CLUSAPI.dll", "dword ClusterNodeGetEnumCount(int)")
# 呼び出し: ClusterNodeGetEnumCount(hNodeEnum)
# hNodeEnum : HNODEENUM -> "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)。