ConvertSidToStringSidW

// ADVAPI32.dll  (Unicode / -W)
#include <windows.h>

BOOL ConvertSidToStringSidW(
    PSID Sid,
    LPWSTR* StringSid
);

<DllImport("ADVAPI32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function ConvertSidToStringSidW(
    Sid As IntPtr,   ' PSID
    StringSid As IntPtr   ' LPWSTR* out
) As Boolean
End Function

' Sid : PSID
' StringSid : LPWSTR* out
Declare PtrSafe Function ConvertSidToStringSidW Lib "advapi32" ( _
    ByVal Sid As LongPtr, _
    ByVal StringSid As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ConvertSidToStringSidW = ctypes.windll.advapi32.ConvertSidToStringSidW
ConvertSidToStringSidW.restype = wintypes.BOOL
ConvertSidToStringSidW.argtypes = [
    wintypes.HANDLE,  # Sid : PSID
    ctypes.c_void_p,  # StringSid : LPWSTR* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
ConvertSidToStringSidW = Fiddle::Function.new(
  lib['ConvertSidToStringSidW'],
  [
    Fiddle::TYPE_VOIDP,  # Sid : PSID
    Fiddle::TYPE_VOIDP,  # StringSid : LPWSTR* out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "advapi32")]
extern "system" {
    fn ConvertSidToStringSidW(
        Sid: *mut core::ffi::c_void,  // PSID
        StringSid: *mut *mut u16  // LPWSTR* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool ConvertSidToStringSidW(IntPtr Sid, IntPtr StringSid);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_ConvertSidToStringSidW' -Namespace Win32 -PassThru
# $api::ConvertSidToStringSidW(Sid, StringSid)

#uselib "ADVAPI32.dll"
#func global ConvertSidToStringSidW "ConvertSidToStringSidW" wptr, wptr
; ConvertSidToStringSidW Sid, varptr(StringSid)   ; 戻り値は stat
; Sid : PSID -> "wptr"
; StringSid : LPWSTR* out -> "wptr"
; ※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 ConvertSidToStringSidW "ConvertSidToStringSidW" sptr, var
; res = ConvertSidToStringSidW(Sid, StringSid)
; Sid : PSID -> "sptr"
; StringSid : LPWSTR* 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。

; BOOL ConvertSidToStringSidW(PSID Sid, LPWSTR* StringSid)
#uselib "ADVAPI32.dll"
#cfunc global ConvertSidToStringSidW "ConvertSidToStringSidW" intptr, var
; res = ConvertSidToStringSidW(Sid, StringSid)
; Sid : PSID -> "intptr"
; StringSid : LPWSTR* 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 (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procConvertSidToStringSidW = advapi32.NewProc("ConvertSidToStringSidW")
)

// Sid (PSID), StringSid (LPWSTR* out)
r1, _, err := procConvertSidToStringSidW.Call(
	uintptr(Sid),
	uintptr(StringSid),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function ConvertSidToStringSidW(
  Sid: THandle;   // PSID
  StringSid: PPWideChar   // LPWSTR* out
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'ConvertSidToStringSidW';

result := DllCall("ADVAPI32\ConvertSidToStringSidW"
    , "Ptr", Sid   ; PSID
    , "Ptr", StringSid   ; LPWSTR* out
    , "Int")   ; return: BOOL

●ConvertSidToStringSidW(Sid, StringSid) = DLL("ADVAPI32.dll", "bool ConvertSidToStringSidW(void*, void*)")
# 呼び出し: ConvertSidToStringSidW(Sid, StringSid)
# Sid : PSID -> "void*"
# StringSid : LPWSTR* 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。