CredRenameW

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

BOOL CredRenameW(
    LPCWSTR OldTargetName,
    LPCWSTR NewTargetName,
    CRED_TYPE Type,
    DWORD Flags   // optional
);

<DllImport("ADVAPI32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CredRenameW(
    <MarshalAs(UnmanagedType.LPWStr)> OldTargetName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> NewTargetName As String,   ' LPCWSTR
    Type As UInteger,   ' CRED_TYPE
    Flags As UInteger   ' DWORD optional
) As Boolean
End Function

' OldTargetName : LPCWSTR
' NewTargetName : LPCWSTR
' Type : CRED_TYPE
' Flags : DWORD optional
Declare PtrSafe Function CredRenameW Lib "advapi32" ( _
    ByVal OldTargetName As LongPtr, _
    ByVal NewTargetName As LongPtr, _
    ByVal Type As Long, _
    ByVal Flags As Long) 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

CredRenameW = ctypes.windll.advapi32.CredRenameW
CredRenameW.restype = wintypes.BOOL
CredRenameW.argtypes = [
    wintypes.LPCWSTR,  # OldTargetName : LPCWSTR
    wintypes.LPCWSTR,  # NewTargetName : LPCWSTR
    wintypes.DWORD,  # Type : CRED_TYPE
    wintypes.DWORD,  # Flags : DWORD optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
CredRenameW = Fiddle::Function.new(
  lib['CredRenameW'],
  [
    Fiddle::TYPE_VOIDP,  # OldTargetName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # NewTargetName : LPCWSTR
    -Fiddle::TYPE_INT,  # Type : CRED_TYPE
    -Fiddle::TYPE_INT,  # Flags : DWORD optional
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "advapi32")]
extern "system" {
    fn CredRenameW(
        OldTargetName: *const u16,  // LPCWSTR
        NewTargetName: *const u16,  // LPCWSTR
        Type: u32,  // CRED_TYPE
        Flags: u32  // DWORD optional
    ) -> 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 CredRenameW([MarshalAs(UnmanagedType.LPWStr)] string OldTargetName, [MarshalAs(UnmanagedType.LPWStr)] string NewTargetName, uint Type, uint Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_CredRenameW' -Namespace Win32 -PassThru
# $api::CredRenameW(OldTargetName, NewTargetName, Type, Flags)

#uselib "ADVAPI32.dll"
#func global CredRenameW "CredRenameW" wptr, wptr, wptr, wptr
; CredRenameW OldTargetName, NewTargetName, Type, Flags   ; 戻り値は stat
; OldTargetName : LPCWSTR -> "wptr"
; NewTargetName : LPCWSTR -> "wptr"
; Type : CRED_TYPE -> "wptr"
; Flags : DWORD optional -> "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 CredRenameW "CredRenameW" wstr, wstr, int, int
; res = CredRenameW(OldTargetName, NewTargetName, Type, Flags)
; OldTargetName : LPCWSTR -> "wstr"
; NewTargetName : LPCWSTR -> "wstr"
; Type : CRED_TYPE -> "int"
; Flags : DWORD optional -> "int"

; BOOL CredRenameW(LPCWSTR OldTargetName, LPCWSTR NewTargetName, CRED_TYPE Type, DWORD Flags)
#uselib "ADVAPI32.dll"
#cfunc global CredRenameW "CredRenameW" wstr, wstr, int, int
; res = CredRenameW(OldTargetName, NewTargetName, Type, Flags)
; OldTargetName : LPCWSTR -> "wstr"
; NewTargetName : LPCWSTR -> "wstr"
; Type : CRED_TYPE -> "int"
; Flags : DWORD optional -> "int"

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

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procCredRenameW = advapi32.NewProc("CredRenameW")
)

// OldTargetName (LPCWSTR), NewTargetName (LPCWSTR), Type (CRED_TYPE), Flags (DWORD optional)
r1, _, err := procCredRenameW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(OldTargetName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(NewTargetName))),
	uintptr(Type),
	uintptr(Flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CredRenameW(
  OldTargetName: PWideChar;   // LPCWSTR
  NewTargetName: PWideChar;   // LPCWSTR
  Type: DWORD;   // CRED_TYPE
  Flags: DWORD   // DWORD optional
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'CredRenameW';

result := DllCall("ADVAPI32\CredRenameW"
    , "WStr", OldTargetName   ; LPCWSTR
    , "WStr", NewTargetName   ; LPCWSTR
    , "UInt", Type   ; CRED_TYPE
    , "UInt", Flags   ; DWORD optional
    , "Int")   ; return: BOOL

●CredRenameW(OldTargetName, NewTargetName, Type, Flags) = DLL("ADVAPI32.dll", "bool CredRenameW(char*, char*, dword, dword)")
# 呼び出し: CredRenameW(OldTargetName, NewTargetName, Type, Flags)
# OldTargetName : LPCWSTR -> "char*"
# NewTargetName : LPCWSTR -> "char*"
# Type : CRED_TYPE -> "dword"
# Flags : DWORD optional -> "dword"
# 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。