RasSetCustomAuthDataW

// RASAPI32.dll  (Unicode / -W)
#include <windows.h>

DWORD RasSetCustomAuthDataW(
    LPCWSTR pszPhonebook,   // optional
    LPCWSTR pszEntry,
    BYTE* pbCustomAuthData,
    DWORD dwSizeofCustomAuthData
);

<DllImport("RASAPI32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function RasSetCustomAuthDataW(
    <MarshalAs(UnmanagedType.LPWStr)> pszPhonebook As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> pszEntry As String,   ' LPCWSTR
    pbCustomAuthData As IntPtr,   ' BYTE*
    dwSizeofCustomAuthData As UInteger   ' DWORD
) As UInteger
End Function

' pszPhonebook : LPCWSTR optional
' pszEntry : LPCWSTR
' pbCustomAuthData : BYTE*
' dwSizeofCustomAuthData : DWORD
Declare PtrSafe Function RasSetCustomAuthDataW Lib "rasapi32" ( _
    ByVal pszPhonebook As LongPtr, _
    ByVal pszEntry As LongPtr, _
    ByVal pbCustomAuthData As LongPtr, _
    ByVal dwSizeofCustomAuthData 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

RasSetCustomAuthDataW = ctypes.windll.rasapi32.RasSetCustomAuthDataW
RasSetCustomAuthDataW.restype = wintypes.DWORD
RasSetCustomAuthDataW.argtypes = [
    wintypes.LPCWSTR,  # pszPhonebook : LPCWSTR optional
    wintypes.LPCWSTR,  # pszEntry : LPCWSTR
    ctypes.POINTER(ctypes.c_ubyte),  # pbCustomAuthData : BYTE*
    wintypes.DWORD,  # dwSizeofCustomAuthData : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RASAPI32.dll')
RasSetCustomAuthDataW = Fiddle::Function.new(
  lib['RasSetCustomAuthDataW'],
  [
    Fiddle::TYPE_VOIDP,  # pszPhonebook : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # pszEntry : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pbCustomAuthData : BYTE*
    -Fiddle::TYPE_INT,  # dwSizeofCustomAuthData : DWORD
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "rasapi32")]
extern "system" {
    fn RasSetCustomAuthDataW(
        pszPhonebook: *const u16,  // LPCWSTR optional
        pszEntry: *const u16,  // LPCWSTR
        pbCustomAuthData: *mut u8,  // BYTE*
        dwSizeofCustomAuthData: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RASAPI32.dll", CharSet = CharSet.Unicode)]
public static extern uint RasSetCustomAuthDataW([MarshalAs(UnmanagedType.LPWStr)] string pszPhonebook, [MarshalAs(UnmanagedType.LPWStr)] string pszEntry, IntPtr pbCustomAuthData, uint dwSizeofCustomAuthData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RASAPI32_RasSetCustomAuthDataW' -Namespace Win32 -PassThru
# $api::RasSetCustomAuthDataW(pszPhonebook, pszEntry, pbCustomAuthData, dwSizeofCustomAuthData)

#uselib "RASAPI32.dll"
#func global RasSetCustomAuthDataW "RasSetCustomAuthDataW" wptr, wptr, wptr, wptr
; RasSetCustomAuthDataW pszPhonebook, pszEntry, varptr(pbCustomAuthData), dwSizeofCustomAuthData   ; 戻り値は stat
; pszPhonebook : LPCWSTR optional -> "wptr"
; pszEntry : LPCWSTR -> "wptr"
; pbCustomAuthData : BYTE* -> "wptr"
; dwSizeofCustomAuthData : DWORD -> "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 "RASAPI32.dll"
#cfunc global RasSetCustomAuthDataW "RasSetCustomAuthDataW" wstr, wstr, var, int
; res = RasSetCustomAuthDataW(pszPhonebook, pszEntry, pbCustomAuthData, dwSizeofCustomAuthData)
; pszPhonebook : LPCWSTR optional -> "wstr"
; pszEntry : LPCWSTR -> "wstr"
; pbCustomAuthData : BYTE* -> "var"
; dwSizeofCustomAuthData : DWORD -> "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。

; DWORD RasSetCustomAuthDataW(LPCWSTR pszPhonebook, LPCWSTR pszEntry, BYTE* pbCustomAuthData, DWORD dwSizeofCustomAuthData)
#uselib "RASAPI32.dll"
#cfunc global RasSetCustomAuthDataW "RasSetCustomAuthDataW" wstr, wstr, var, int
; res = RasSetCustomAuthDataW(pszPhonebook, pszEntry, pbCustomAuthData, dwSizeofCustomAuthData)
; pszPhonebook : LPCWSTR optional -> "wstr"
; pszEntry : LPCWSTR -> "wstr"
; pbCustomAuthData : BYTE* -> "var"
; dwSizeofCustomAuthData : DWORD -> "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 (
	rasapi32 = windows.NewLazySystemDLL("RASAPI32.dll")
	procRasSetCustomAuthDataW = rasapi32.NewProc("RasSetCustomAuthDataW")
)

// pszPhonebook (LPCWSTR optional), pszEntry (LPCWSTR), pbCustomAuthData (BYTE*), dwSizeofCustomAuthData (DWORD)
r1, _, err := procRasSetCustomAuthDataW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszPhonebook))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszEntry))),
	uintptr(pbCustomAuthData),
	uintptr(dwSizeofCustomAuthData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function RasSetCustomAuthDataW(
  pszPhonebook: PWideChar;   // LPCWSTR optional
  pszEntry: PWideChar;   // LPCWSTR
  pbCustomAuthData: Pointer;   // BYTE*
  dwSizeofCustomAuthData: DWORD   // DWORD
): DWORD; stdcall;
  external 'RASAPI32.dll' name 'RasSetCustomAuthDataW';

result := DllCall("RASAPI32\RasSetCustomAuthDataW"
    , "WStr", pszPhonebook   ; LPCWSTR optional
    , "WStr", pszEntry   ; LPCWSTR
    , "Ptr", pbCustomAuthData   ; BYTE*
    , "UInt", dwSizeofCustomAuthData   ; DWORD
    , "UInt")   ; return: DWORD

●RasSetCustomAuthDataW(pszPhonebook, pszEntry, pbCustomAuthData, dwSizeofCustomAuthData) = DLL("RASAPI32.dll", "dword RasSetCustomAuthDataW(char*, char*, void*, dword)")
# 呼び出し: RasSetCustomAuthDataW(pszPhonebook, pszEntry, pbCustomAuthData, dwSizeofCustomAuthData)
# pszPhonebook : LPCWSTR optional -> "char*"
# pszEntry : LPCWSTR -> "char*"
# pbCustomAuthData : BYTE* -> "void*"
# dwSizeofCustomAuthData : DWORD -> "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。