RasSetCustomAuthDataA

// RASAPI32.dll  (ANSI / -A)
#include <windows.h>

DWORD RasSetCustomAuthDataA(
    LPCSTR pszPhonebook,   // optional
    LPCSTR pszEntry,
    BYTE* pbCustomAuthData,
    DWORD dwSizeofCustomAuthData
);

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

' pszPhonebook : LPCSTR optional
' pszEntry : LPCSTR
' pbCustomAuthData : BYTE*
' dwSizeofCustomAuthData : DWORD
Declare PtrSafe Function RasSetCustomAuthDataA Lib "rasapi32" ( _
    ByVal pszPhonebook As String, _
    ByVal pszEntry As String, _
    ByVal pbCustomAuthData As LongPtr, _
    ByVal dwSizeofCustomAuthData As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

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

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RASAPI32.dll')
RasSetCustomAuthDataA = Fiddle::Function.new(
  lib['RasSetCustomAuthDataA'],
  [
    Fiddle::TYPE_VOIDP,  # pszPhonebook : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # pszEntry : LPCSTR
    Fiddle::TYPE_VOIDP,  # pbCustomAuthData : BYTE*
    -Fiddle::TYPE_INT,  # dwSizeofCustomAuthData : DWORD
  ],
  -Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("RASAPI32.dll", CharSet = CharSet.Ansi)]
public static extern uint RasSetCustomAuthDataA([MarshalAs(UnmanagedType.LPStr)] string pszPhonebook, [MarshalAs(UnmanagedType.LPStr)] string pszEntry, IntPtr pbCustomAuthData, uint dwSizeofCustomAuthData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RASAPI32_RasSetCustomAuthDataA' -Namespace Win32 -PassThru
# $api::RasSetCustomAuthDataA(pszPhonebook, pszEntry, pbCustomAuthData, dwSizeofCustomAuthData)

#uselib "RASAPI32.dll"
#func global RasSetCustomAuthDataA "RasSetCustomAuthDataA" sptr, sptr, sptr, sptr
; RasSetCustomAuthDataA pszPhonebook, pszEntry, varptr(pbCustomAuthData), dwSizeofCustomAuthData   ; 戻り値は stat
; pszPhonebook : LPCSTR optional -> "sptr"
; pszEntry : LPCSTR -> "sptr"
; pbCustomAuthData : BYTE* -> "sptr"
; dwSizeofCustomAuthData : DWORD -> "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 "RASAPI32.dll"
#cfunc global RasSetCustomAuthDataA "RasSetCustomAuthDataA" str, str, var, int
; res = RasSetCustomAuthDataA(pszPhonebook, pszEntry, pbCustomAuthData, dwSizeofCustomAuthData)
; pszPhonebook : LPCSTR optional -> "str"
; pszEntry : LPCSTR -> "str"
; 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 RasSetCustomAuthDataA(LPCSTR pszPhonebook, LPCSTR pszEntry, BYTE* pbCustomAuthData, DWORD dwSizeofCustomAuthData)
#uselib "RASAPI32.dll"
#cfunc global RasSetCustomAuthDataA "RasSetCustomAuthDataA" str, str, var, int
; res = RasSetCustomAuthDataA(pszPhonebook, pszEntry, pbCustomAuthData, dwSizeofCustomAuthData)
; pszPhonebook : LPCSTR optional -> "str"
; pszEntry : LPCSTR -> "str"
; 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")
	procRasSetCustomAuthDataA = rasapi32.NewProc("RasSetCustomAuthDataA")
)

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

function RasSetCustomAuthDataA(
  pszPhonebook: PAnsiChar;   // LPCSTR optional
  pszEntry: PAnsiChar;   // LPCSTR
  pbCustomAuthData: Pointer;   // BYTE*
  dwSizeofCustomAuthData: DWORD   // DWORD
): DWORD; stdcall;
  external 'RASAPI32.dll' name 'RasSetCustomAuthDataA';

result := DllCall("RASAPI32\RasSetCustomAuthDataA"
    , "AStr", pszPhonebook   ; LPCSTR optional
    , "AStr", pszEntry   ; LPCSTR
    , "Ptr", pbCustomAuthData   ; BYTE*
    , "UInt", dwSizeofCustomAuthData   ; DWORD
    , "UInt")   ; return: DWORD

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