ConvertStringSidToSidW

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

BOOL ConvertStringSidToSidW(
    LPCWSTR StringSid,
    PSID* Sid
);

<DllImport("ADVAPI32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function ConvertStringSidToSidW(
    <MarshalAs(UnmanagedType.LPWStr)> StringSid As String,   ' LPCWSTR
    Sid As IntPtr   ' PSID* out
) As Boolean
End Function

' StringSid : LPCWSTR
' Sid : PSID* out
Declare PtrSafe Function ConvertStringSidToSidW Lib "advapi32" ( _
    ByVal StringSid As LongPtr, _
    ByVal Sid 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

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

require 'fiddle'
require 'fiddle/import'

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

#[link(name = "advapi32")]
extern "system" {
    fn ConvertStringSidToSidW(
        StringSid: *const u16,  // LPCWSTR
        Sid: *mut *mut core::ffi::c_void  // PSID* 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 ConvertStringSidToSidW([MarshalAs(UnmanagedType.LPWStr)] string StringSid, IntPtr Sid);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_ConvertStringSidToSidW' -Namespace Win32 -PassThru
# $api::ConvertStringSidToSidW(StringSid, Sid)

#uselib "ADVAPI32.dll"
#func global ConvertStringSidToSidW "ConvertStringSidToSidW" wptr, wptr
; ConvertStringSidToSidW StringSid, Sid   ; 戻り値は stat
; StringSid : LPCWSTR -> "wptr"
; Sid : PSID* 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 ConvertStringSidToSidW "ConvertStringSidToSidW" wstr, sptr
; res = ConvertStringSidToSidW(StringSid, Sid)
; StringSid : LPCWSTR -> "wstr"
; Sid : PSID* out -> "sptr"

; BOOL ConvertStringSidToSidW(LPCWSTR StringSid, PSID* Sid)
#uselib "ADVAPI32.dll"
#cfunc global ConvertStringSidToSidW "ConvertStringSidToSidW" wstr, intptr
; res = ConvertStringSidToSidW(StringSid, Sid)
; StringSid : LPCWSTR -> "wstr"
; Sid : PSID* out -> "intptr"

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

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procConvertStringSidToSidW = advapi32.NewProc("ConvertStringSidToSidW")
)

// StringSid (LPCWSTR), Sid (PSID* out)
r1, _, err := procConvertStringSidToSidW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(StringSid))),
	uintptr(Sid),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function ConvertStringSidToSidW(
  StringSid: PWideChar;   // LPCWSTR
  Sid: Pointer   // PSID* out
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'ConvertStringSidToSidW';

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

●ConvertStringSidToSidW(StringSid, Sid) = DLL("ADVAPI32.dll", "bool ConvertStringSidToSidW(char*, void*)")
# 呼び出し: ConvertStringSidToSidW(StringSid, Sid)
# StringSid : LPCWSTR -> "char*"
# Sid : PSID* 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。