GetClusterFromGroup

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

HCLUSTER GetClusterFromGroup(
    HGROUP hGroup
);

<DllImport("CLUSAPI.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetClusterFromGroup(
    hGroup As IntPtr   ' HGROUP
) As IntPtr
End Function

' hGroup : HGROUP
Declare PtrSafe Function GetClusterFromGroup Lib "clusapi" ( _
    ByVal hGroup 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

GetClusterFromGroup = ctypes.windll.clusapi.GetClusterFromGroup
GetClusterFromGroup.restype = ctypes.c_ssize_t
GetClusterFromGroup.argtypes = [
    ctypes.c_ssize_t,  # hGroup : HGROUP
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
GetClusterFromGroup = Fiddle::Function.new(
  lib['GetClusterFromGroup'],
  [
    Fiddle::TYPE_INTPTR_T,  # hGroup : HGROUP
  ],
  Fiddle::TYPE_INTPTR_T)

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

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

#uselib "CLUSAPI.dll"
#func global GetClusterFromGroup "GetClusterFromGroup" sptr
; GetClusterFromGroup hGroup   ; 戻り値は stat
; hGroup : HGROUP -> "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 GetClusterFromGroup "GetClusterFromGroup" sptr
; res = GetClusterFromGroup(hGroup)
; hGroup : HGROUP -> "sptr"

; HCLUSTER GetClusterFromGroup(HGROUP hGroup)
#uselib "CLUSAPI.dll"
#cfunc global GetClusterFromGroup "GetClusterFromGroup" intptr
; res = GetClusterFromGroup(hGroup)
; hGroup : HGROUP -> "intptr"

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

var (
	clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
	procGetClusterFromGroup = clusapi.NewProc("GetClusterFromGroup")
)

// hGroup (HGROUP)
r1, _, err := procGetClusterFromGroup.Call(
	uintptr(hGroup),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HCLUSTER

function GetClusterFromGroup(
  hGroup: NativeInt   // HGROUP
): NativeInt; stdcall;
  external 'CLUSAPI.dll' name 'GetClusterFromGroup';

result := DllCall("CLUSAPI\GetClusterFromGroup"
    , "Ptr", hGroup   ; HGROUP
    , "Ptr")   ; return: HCLUSTER

●GetClusterFromGroup(hGroup) = DLL("CLUSAPI.dll", "int GetClusterFromGroup(int)")
# 呼び出し: GetClusterFromGroup(hGroup)
# hGroup : HGROUP -> "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)。