RtlConvertSidToUnicodeString

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

NTSTATUS RtlConvertSidToUnicodeString(
    UNICODE_STRING* UnicodeString,
    PSID Sid,
    BOOLEAN AllocateDestinationString
);

<DllImport("ntdll.dll", ExactSpelling:=True)>
Public Shared Function RtlConvertSidToUnicodeString(
    UnicodeString As IntPtr,   ' UNICODE_STRING* in/out
    Sid As IntPtr,   ' PSID
    <MarshalAs(UnmanagedType.U1)> AllocateDestinationString As Boolean   ' BOOLEAN
) As Integer
End Function

' UnicodeString : UNICODE_STRING* in/out
' Sid : PSID
' AllocateDestinationString : BOOLEAN
Declare PtrSafe Function RtlConvertSidToUnicodeString Lib "ntdll" ( _
    ByVal UnicodeString As LongPtr, _
    ByVal Sid As LongPtr, _
    ByVal AllocateDestinationString As Byte) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

RtlConvertSidToUnicodeString = ctypes.windll.ntdll.RtlConvertSidToUnicodeString
RtlConvertSidToUnicodeString.restype = ctypes.c_int
RtlConvertSidToUnicodeString.argtypes = [
    ctypes.c_void_p,  # UnicodeString : UNICODE_STRING* in/out
    wintypes.HANDLE,  # Sid : PSID
    ctypes.c_byte,  # AllocateDestinationString : BOOLEAN
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ntdll.dll')
RtlConvertSidToUnicodeString = Fiddle::Function.new(
  lib['RtlConvertSidToUnicodeString'],
  [
    Fiddle::TYPE_VOIDP,  # UnicodeString : UNICODE_STRING* in/out
    Fiddle::TYPE_VOIDP,  # Sid : PSID
    Fiddle::TYPE_CHAR,  # AllocateDestinationString : BOOLEAN
  ],
  Fiddle::TYPE_INT)

#[link(name = "ntdll")]
extern "system" {
    fn RtlConvertSidToUnicodeString(
        UnicodeString: *mut UNICODE_STRING,  // UNICODE_STRING* in/out
        Sid: *mut core::ffi::c_void,  // PSID
        AllocateDestinationString: u8  // BOOLEAN
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ntdll.dll")]
public static extern int RtlConvertSidToUnicodeString(IntPtr UnicodeString, IntPtr Sid, [MarshalAs(UnmanagedType.U1)] bool AllocateDestinationString);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ntdll_RtlConvertSidToUnicodeString' -Namespace Win32 -PassThru
# $api::RtlConvertSidToUnicodeString(UnicodeString, Sid, AllocateDestinationString)

#uselib "ntdll.dll"
#func global RtlConvertSidToUnicodeString "RtlConvertSidToUnicodeString" sptr, sptr, sptr
; RtlConvertSidToUnicodeString varptr(UnicodeString), Sid, AllocateDestinationString   ; 戻り値は stat
; UnicodeString : UNICODE_STRING* in/out -> "sptr"
; Sid : PSID -> "sptr"
; AllocateDestinationString : BOOLEAN -> "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 "ntdll.dll"
#cfunc global RtlConvertSidToUnicodeString "RtlConvertSidToUnicodeString" var, sptr, int
; res = RtlConvertSidToUnicodeString(UnicodeString, Sid, AllocateDestinationString)
; UnicodeString : UNICODE_STRING* in/out -> "var"
; Sid : PSID -> "sptr"
; AllocateDestinationString : BOOLEAN -> "int"
; ※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。

; NTSTATUS RtlConvertSidToUnicodeString(UNICODE_STRING* UnicodeString, PSID Sid, BOOLEAN AllocateDestinationString)
#uselib "ntdll.dll"
#cfunc global RtlConvertSidToUnicodeString "RtlConvertSidToUnicodeString" var, intptr, int
; res = RtlConvertSidToUnicodeString(UnicodeString, Sid, AllocateDestinationString)
; UnicodeString : UNICODE_STRING* in/out -> "var"
; Sid : PSID -> "intptr"
; AllocateDestinationString : BOOLEAN -> "int"
; ※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 (
	ntdll = windows.NewLazySystemDLL("ntdll.dll")
	procRtlConvertSidToUnicodeString = ntdll.NewProc("RtlConvertSidToUnicodeString")
)

// UnicodeString (UNICODE_STRING* in/out), Sid (PSID), AllocateDestinationString (BOOLEAN)
r1, _, err := procRtlConvertSidToUnicodeString.Call(
	uintptr(UnicodeString),
	uintptr(Sid),
	uintptr(AllocateDestinationString),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // NTSTATUS

function RtlConvertSidToUnicodeString(
  UnicodeString: Pointer;   // UNICODE_STRING* in/out
  Sid: THandle;   // PSID
  AllocateDestinationString: ByteBool   // BOOLEAN
): Integer; stdcall;
  external 'ntdll.dll' name 'RtlConvertSidToUnicodeString';

result := DllCall("ntdll\RtlConvertSidToUnicodeString"
    , "Ptr", UnicodeString   ; UNICODE_STRING* in/out
    , "Ptr", Sid   ; PSID
    , "Char", AllocateDestinationString   ; BOOLEAN
    , "Int")   ; return: NTSTATUS

●RtlConvertSidToUnicodeString(UnicodeString, Sid, AllocateDestinationString) = DLL("ntdll.dll", "int RtlConvertSidToUnicodeString(void*, void*, byte)")
# 呼び出し: RtlConvertSidToUnicodeString(UnicodeString, Sid, AllocateDestinationString)
# UnicodeString : UNICODE_STRING* in/out -> "void*"
# Sid : PSID -> "void*"
# AllocateDestinationString : BOOLEAN -> "byte"
# 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)。