RasSetEapUserDataW

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

DWORD RasSetEapUserDataW(
    HANDLE hToken,   // optional
    LPCWSTR pszPhonebook,   // optional
    LPCWSTR pszEntry,
    BYTE* pbEapData,
    DWORD dwSizeofEapData
);

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

' hToken : HANDLE optional
' pszPhonebook : LPCWSTR optional
' pszEntry : LPCWSTR
' pbEapData : BYTE*
' dwSizeofEapData : DWORD
Declare PtrSafe Function RasSetEapUserDataW Lib "rasapi32" ( _
    ByVal hToken As LongPtr, _
    ByVal pszPhonebook As LongPtr, _
    ByVal pszEntry As LongPtr, _
    ByVal pbEapData As LongPtr, _
    ByVal dwSizeofEapData 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

RasSetEapUserDataW = ctypes.windll.rasapi32.RasSetEapUserDataW
RasSetEapUserDataW.restype = wintypes.DWORD
RasSetEapUserDataW.argtypes = [
    wintypes.HANDLE,  # hToken : HANDLE optional
    wintypes.LPCWSTR,  # pszPhonebook : LPCWSTR optional
    wintypes.LPCWSTR,  # pszEntry : LPCWSTR
    ctypes.POINTER(ctypes.c_ubyte),  # pbEapData : BYTE*
    wintypes.DWORD,  # dwSizeofEapData : DWORD
]

require 'fiddle'
require 'fiddle/import'

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

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

$sig = @"
[DllImport("RASAPI32.dll", CharSet = CharSet.Unicode)]
public static extern uint RasSetEapUserDataW(IntPtr hToken, [MarshalAs(UnmanagedType.LPWStr)] string pszPhonebook, [MarshalAs(UnmanagedType.LPWStr)] string pszEntry, IntPtr pbEapData, uint dwSizeofEapData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RASAPI32_RasSetEapUserDataW' -Namespace Win32 -PassThru
# $api::RasSetEapUserDataW(hToken, pszPhonebook, pszEntry, pbEapData, dwSizeofEapData)

#uselib "RASAPI32.dll"
#func global RasSetEapUserDataW "RasSetEapUserDataW" wptr, wptr, wptr, wptr, wptr
; RasSetEapUserDataW hToken, pszPhonebook, pszEntry, varptr(pbEapData), dwSizeofEapData   ; 戻り値は stat
; hToken : HANDLE optional -> "wptr"
; pszPhonebook : LPCWSTR optional -> "wptr"
; pszEntry : LPCWSTR -> "wptr"
; pbEapData : BYTE* -> "wptr"
; dwSizeofEapData : 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 RasSetEapUserDataW "RasSetEapUserDataW" sptr, wstr, wstr, var, int
; res = RasSetEapUserDataW(hToken, pszPhonebook, pszEntry, pbEapData, dwSizeofEapData)
; hToken : HANDLE optional -> "sptr"
; pszPhonebook : LPCWSTR optional -> "wstr"
; pszEntry : LPCWSTR -> "wstr"
; pbEapData : BYTE* -> "var"
; dwSizeofEapData : 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 RasSetEapUserDataW(HANDLE hToken, LPCWSTR pszPhonebook, LPCWSTR pszEntry, BYTE* pbEapData, DWORD dwSizeofEapData)
#uselib "RASAPI32.dll"
#cfunc global RasSetEapUserDataW "RasSetEapUserDataW" intptr, wstr, wstr, var, int
; res = RasSetEapUserDataW(hToken, pszPhonebook, pszEntry, pbEapData, dwSizeofEapData)
; hToken : HANDLE optional -> "intptr"
; pszPhonebook : LPCWSTR optional -> "wstr"
; pszEntry : LPCWSTR -> "wstr"
; pbEapData : BYTE* -> "var"
; dwSizeofEapData : 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")
	procRasSetEapUserDataW = rasapi32.NewProc("RasSetEapUserDataW")
)

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

function RasSetEapUserDataW(
  hToken: THandle;   // HANDLE optional
  pszPhonebook: PWideChar;   // LPCWSTR optional
  pszEntry: PWideChar;   // LPCWSTR
  pbEapData: Pointer;   // BYTE*
  dwSizeofEapData: DWORD   // DWORD
): DWORD; stdcall;
  external 'RASAPI32.dll' name 'RasSetEapUserDataW';

result := DllCall("RASAPI32\RasSetEapUserDataW"
    , "Ptr", hToken   ; HANDLE optional
    , "WStr", pszPhonebook   ; LPCWSTR optional
    , "WStr", pszEntry   ; LPCWSTR
    , "Ptr", pbEapData   ; BYTE*
    , "UInt", dwSizeofEapData   ; DWORD
    , "UInt")   ; return: DWORD

●RasSetEapUserDataW(hToken, pszPhonebook, pszEntry, pbEapData, dwSizeofEapData) = DLL("RASAPI32.dll", "dword RasSetEapUserDataW(void*, char*, char*, void*, dword)")
# 呼び出し: RasSetEapUserDataW(hToken, pszPhonebook, pszEntry, pbEapData, dwSizeofEapData)
# hToken : HANDLE optional -> "void*"
# pszPhonebook : LPCWSTR optional -> "char*"
# pszEntry : LPCWSTR -> "char*"
# pbEapData : BYTE* -> "void*"
# dwSizeofEapData : 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。