CopySid

// ADVAPI32.dll
#include <windows.h>

BOOL CopySid(
    DWORD nDestinationSidLength,
    PSID pDestinationSid,
    PSID pSourceSid
);

<DllImport("ADVAPI32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CopySid(
    nDestinationSidLength As UInteger,   ' DWORD
    pDestinationSid As IntPtr,   ' PSID out
    pSourceSid As IntPtr   ' PSID
) As Boolean
End Function

' nDestinationSidLength : DWORD
' pDestinationSid : PSID out
' pSourceSid : PSID
Declare PtrSafe Function CopySid Lib "advapi32" ( _
    ByVal nDestinationSidLength As Long, _
    ByVal pDestinationSid As LongPtr, _
    ByVal pSourceSid 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

CopySid = ctypes.windll.advapi32.CopySid
CopySid.restype = wintypes.BOOL
CopySid.argtypes = [
    wintypes.DWORD,  # nDestinationSidLength : DWORD
    wintypes.HANDLE,  # pDestinationSid : PSID out
    wintypes.HANDLE,  # pSourceSid : PSID
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
CopySid = Fiddle::Function.new(
  lib['CopySid'],
  [
    -Fiddle::TYPE_INT,  # nDestinationSidLength : DWORD
    Fiddle::TYPE_VOIDP,  # pDestinationSid : PSID out
    Fiddle::TYPE_VOIDP,  # pSourceSid : PSID
  ],
  Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn CopySid(
        nDestinationSidLength: u32,  // DWORD
        pDestinationSid: *mut core::ffi::c_void,  // PSID out
        pSourceSid: *mut core::ffi::c_void  // PSID
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", SetLastError = true)]
public static extern bool CopySid(uint nDestinationSidLength, IntPtr pDestinationSid, IntPtr pSourceSid);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_CopySid' -Namespace Win32 -PassThru
# $api::CopySid(nDestinationSidLength, pDestinationSid, pSourceSid)

#uselib "ADVAPI32.dll"
#func global CopySid "CopySid" sptr, sptr, sptr
; CopySid nDestinationSidLength, pDestinationSid, pSourceSid   ; 戻り値は stat
; nDestinationSidLength : DWORD -> "sptr"
; pDestinationSid : PSID out -> "sptr"
; pSourceSid : PSID -> "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 "ADVAPI32.dll"
#cfunc global CopySid "CopySid" int, sptr, sptr
; res = CopySid(nDestinationSidLength, pDestinationSid, pSourceSid)
; nDestinationSidLength : DWORD -> "int"
; pDestinationSid : PSID out -> "sptr"
; pSourceSid : PSID -> "sptr"

; BOOL CopySid(DWORD nDestinationSidLength, PSID pDestinationSid, PSID pSourceSid)
#uselib "ADVAPI32.dll"
#cfunc global CopySid "CopySid" int, intptr, intptr
; res = CopySid(nDestinationSidLength, pDestinationSid, pSourceSid)
; nDestinationSidLength : DWORD -> "int"
; pDestinationSid : PSID out -> "intptr"
; pSourceSid : PSID -> "intptr"

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

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procCopySid = advapi32.NewProc("CopySid")
)

// nDestinationSidLength (DWORD), pDestinationSid (PSID out), pSourceSid (PSID)
r1, _, err := procCopySid.Call(
	uintptr(nDestinationSidLength),
	uintptr(pDestinationSid),
	uintptr(pSourceSid),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CopySid(
  nDestinationSidLength: DWORD;   // DWORD
  pDestinationSid: THandle;   // PSID out
  pSourceSid: THandle   // PSID
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'CopySid';

result := DllCall("ADVAPI32\CopySid"
    , "UInt", nDestinationSidLength   ; DWORD
    , "Ptr", pDestinationSid   ; PSID out
    , "Ptr", pSourceSid   ; PSID
    , "Int")   ; return: BOOL

●CopySid(nDestinationSidLength, pDestinationSid, pSourceSid) = DLL("ADVAPI32.dll", "bool CopySid(dword, void*, void*)")
# 呼び出し: CopySid(nDestinationSidLength, pDestinationSid, pSourceSid)
# nDestinationSidLength : DWORD -> "dword"
# pDestinationSid : PSID out -> "void*"
# pSourceSid : PSID -> "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)。