RasSetEntryPropertiesA

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

DWORD RasSetEntryPropertiesA(
    LPCSTR param0,   // optional
    LPCSTR param1,
    RASENTRYA* param2,
    DWORD param3,
    BYTE* param4,   // optional
    DWORD param5
);

<DllImport("RASAPI32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function RasSetEntryPropertiesA(
    <MarshalAs(UnmanagedType.LPStr)> param0 As String,   ' LPCSTR optional
    <MarshalAs(UnmanagedType.LPStr)> param1 As String,   ' LPCSTR
    param2 As IntPtr,   ' RASENTRYA*
    param3 As UInteger,   ' DWORD
    param4 As IntPtr,   ' BYTE* optional
    param5 As UInteger   ' DWORD
) As UInteger
End Function

' param0 : LPCSTR optional
' param1 : LPCSTR
' param2 : RASENTRYA*
' param3 : DWORD
' param4 : BYTE* optional
' param5 : DWORD
Declare PtrSafe Function RasSetEntryPropertiesA Lib "rasapi32" ( _
    ByVal param0 As String, _
    ByVal param1 As String, _
    ByVal param2 As LongPtr, _
    ByVal param3 As Long, _
    ByVal param4 As LongPtr, _
    ByVal param5 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

RasSetEntryPropertiesA = ctypes.windll.rasapi32.RasSetEntryPropertiesA
RasSetEntryPropertiesA.restype = wintypes.DWORD
RasSetEntryPropertiesA.argtypes = [
    wintypes.LPCSTR,  # param0 : LPCSTR optional
    wintypes.LPCSTR,  # param1 : LPCSTR
    ctypes.c_void_p,  # param2 : RASENTRYA*
    wintypes.DWORD,  # param3 : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # param4 : BYTE* optional
    wintypes.DWORD,  # param5 : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RASAPI32.dll')
RasSetEntryPropertiesA = Fiddle::Function.new(
  lib['RasSetEntryPropertiesA'],
  [
    Fiddle::TYPE_VOIDP,  # param0 : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # param1 : LPCSTR
    Fiddle::TYPE_VOIDP,  # param2 : RASENTRYA*
    -Fiddle::TYPE_INT,  # param3 : DWORD
    Fiddle::TYPE_VOIDP,  # param4 : BYTE* optional
    -Fiddle::TYPE_INT,  # param5 : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "rasapi32")]
extern "system" {
    fn RasSetEntryPropertiesA(
        param0: *const u8,  // LPCSTR optional
        param1: *const u8,  // LPCSTR
        param2: *mut RASENTRYA,  // RASENTRYA*
        param3: u32,  // DWORD
        param4: *mut u8,  // BYTE* optional
        param5: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RASAPI32.dll", CharSet = CharSet.Ansi)]
public static extern uint RasSetEntryPropertiesA([MarshalAs(UnmanagedType.LPStr)] string param0, [MarshalAs(UnmanagedType.LPStr)] string param1, IntPtr param2, uint param3, IntPtr param4, uint param5);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RASAPI32_RasSetEntryPropertiesA' -Namespace Win32 -PassThru
# $api::RasSetEntryPropertiesA(param0, param1, param2, param3, param4, param5)

#uselib "RASAPI32.dll"
#func global RasSetEntryPropertiesA "RasSetEntryPropertiesA" sptr, sptr, sptr, sptr, sptr, sptr
; RasSetEntryPropertiesA param0, param1, varptr(param2), param3, varptr(param4), param5   ; 戻り値は stat
; param0 : LPCSTR optional -> "sptr"
; param1 : LPCSTR -> "sptr"
; param2 : RASENTRYA* -> "sptr"
; param3 : DWORD -> "sptr"
; param4 : BYTE* optional -> "sptr"
; param5 : 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 RasSetEntryPropertiesA "RasSetEntryPropertiesA" str, str, var, int, var, int
; res = RasSetEntryPropertiesA(param0, param1, param2, param3, param4, param5)
; param0 : LPCSTR optional -> "str"
; param1 : LPCSTR -> "str"
; param2 : RASENTRYA* -> "var"
; param3 : DWORD -> "int"
; param4 : BYTE* optional -> "var"
; param5 : 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 RasSetEntryPropertiesA(LPCSTR param0, LPCSTR param1, RASENTRYA* param2, DWORD param3, BYTE* param4, DWORD param5)
#uselib "RASAPI32.dll"
#cfunc global RasSetEntryPropertiesA "RasSetEntryPropertiesA" str, str, var, int, var, int
; res = RasSetEntryPropertiesA(param0, param1, param2, param3, param4, param5)
; param0 : LPCSTR optional -> "str"
; param1 : LPCSTR -> "str"
; param2 : RASENTRYA* -> "var"
; param3 : DWORD -> "int"
; param4 : BYTE* optional -> "var"
; param5 : 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")
	procRasSetEntryPropertiesA = rasapi32.NewProc("RasSetEntryPropertiesA")
)

// param0 (LPCSTR optional), param1 (LPCSTR), param2 (RASENTRYA*), param3 (DWORD), param4 (BYTE* optional), param5 (DWORD)
r1, _, err := procRasSetEntryPropertiesA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(param0))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(param1))),
	uintptr(param2),
	uintptr(param3),
	uintptr(param4),
	uintptr(param5),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function RasSetEntryPropertiesA(
  param0: PAnsiChar;   // LPCSTR optional
  param1: PAnsiChar;   // LPCSTR
  param2: Pointer;   // RASENTRYA*
  param3: DWORD;   // DWORD
  param4: Pointer;   // BYTE* optional
  param5: DWORD   // DWORD
): DWORD; stdcall;
  external 'RASAPI32.dll' name 'RasSetEntryPropertiesA';

result := DllCall("RASAPI32\RasSetEntryPropertiesA"
    , "AStr", param0   ; LPCSTR optional
    , "AStr", param1   ; LPCSTR
    , "Ptr", param2   ; RASENTRYA*
    , "UInt", param3   ; DWORD
    , "Ptr", param4   ; BYTE* optional
    , "UInt", param5   ; DWORD
    , "UInt")   ; return: DWORD

●RasSetEntryPropertiesA(param0, param1, param2, param3, param4, param5) = DLL("RASAPI32.dll", "dword RasSetEntryPropertiesA(char*, char*, void*, dword, void*, dword)")
# 呼び出し: RasSetEntryPropertiesA(param0, param1, param2, param3, param4, param5)
# param0 : LPCSTR optional -> "char*"
# param1 : LPCSTR -> "char*"
# param2 : RASENTRYA* -> "void*"
# param3 : DWORD -> "dword"
# param4 : BYTE* optional -> "void*"
# param5 : 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)。