DRMDuplicateHandle

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

HRESULT DRMDuplicateHandle(
    DWORD hToCopy,
    DWORD* phCopy
);

<DllImport("msdrm.dll", ExactSpelling:=True)>
Public Shared Function DRMDuplicateHandle(
    hToCopy As UInteger,   ' DWORD
    ByRef phCopy As UInteger   ' DWORD* in/out
) As Integer
End Function

' hToCopy : DWORD
' phCopy : DWORD* in/out
Declare PtrSafe Function DRMDuplicateHandle Lib "msdrm" ( _
    ByVal hToCopy As Long, _
    ByRef phCopy As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DRMDuplicateHandle = ctypes.windll.msdrm.DRMDuplicateHandle
DRMDuplicateHandle.restype = ctypes.c_int
DRMDuplicateHandle.argtypes = [
    wintypes.DWORD,  # hToCopy : DWORD
    ctypes.POINTER(wintypes.DWORD),  # phCopy : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msdrm.dll')
DRMDuplicateHandle = Fiddle::Function.new(
  lib['DRMDuplicateHandle'],
  [
    -Fiddle::TYPE_INT,  # hToCopy : DWORD
    Fiddle::TYPE_VOIDP,  # phCopy : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "msdrm")]
extern "system" {
    fn DRMDuplicateHandle(
        hToCopy: u32,  // DWORD
        phCopy: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msdrm.dll")]
public static extern int DRMDuplicateHandle(uint hToCopy, ref uint phCopy);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msdrm_DRMDuplicateHandle' -Namespace Win32 -PassThru
# $api::DRMDuplicateHandle(hToCopy, phCopy)

#uselib "msdrm.dll"
#func global DRMDuplicateHandle "DRMDuplicateHandle" sptr, sptr
; DRMDuplicateHandle hToCopy, varptr(phCopy)   ; 戻り値は stat
; hToCopy : DWORD -> "sptr"
; phCopy : DWORD* in/out -> "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 "msdrm.dll"
#cfunc global DRMDuplicateHandle "DRMDuplicateHandle" int, var
; res = DRMDuplicateHandle(hToCopy, phCopy)
; hToCopy : DWORD -> "int"
; phCopy : DWORD* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; HRESULT DRMDuplicateHandle(DWORD hToCopy, DWORD* phCopy)
#uselib "msdrm.dll"
#cfunc global DRMDuplicateHandle "DRMDuplicateHandle" int, var
; res = DRMDuplicateHandle(hToCopy, phCopy)
; hToCopy : DWORD -> "int"
; phCopy : DWORD* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	msdrm = windows.NewLazySystemDLL("msdrm.dll")
	procDRMDuplicateHandle = msdrm.NewProc("DRMDuplicateHandle")
)

// hToCopy (DWORD), phCopy (DWORD* in/out)
r1, _, err := procDRMDuplicateHandle.Call(
	uintptr(hToCopy),
	uintptr(phCopy),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DRMDuplicateHandle(
  hToCopy: DWORD;   // DWORD
  phCopy: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'msdrm.dll' name 'DRMDuplicateHandle';

result := DllCall("msdrm\DRMDuplicateHandle"
    , "UInt", hToCopy   ; DWORD
    , "Ptr", phCopy   ; DWORD* in/out
    , "Int")   ; return: HRESULT

●DRMDuplicateHandle(hToCopy, phCopy) = DLL("msdrm.dll", "int DRMDuplicateHandle(dword, void*)")
# 呼び出し: DRMDuplicateHandle(hToCopy, phCopy)
# hToCopy : DWORD -> "dword"
# phCopy : DWORD* in/out -> "void*"
# 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)。