RasEnumAutodialAddressesA

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

DWORD RasEnumAutodialAddressesA(
    LPSTR* lppRasAutodialAddresses,   // optional
    DWORD* lpdwcbRasAutodialAddresses,
    DWORD* lpdwcRasAutodialAddresses
);

<DllImport("RASAPI32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function RasEnumAutodialAddressesA(
    lppRasAutodialAddresses As IntPtr,   ' LPSTR* optional, in/out
    ByRef lpdwcbRasAutodialAddresses As UInteger,   ' DWORD* in/out
    <Out> ByRef lpdwcRasAutodialAddresses As UInteger   ' DWORD* out
) As UInteger
End Function

' lppRasAutodialAddresses : LPSTR* optional, in/out
' lpdwcbRasAutodialAddresses : DWORD* in/out
' lpdwcRasAutodialAddresses : DWORD* out
Declare PtrSafe Function RasEnumAutodialAddressesA Lib "rasapi32" ( _
    ByVal lppRasAutodialAddresses As LongPtr, _
    ByRef lpdwcbRasAutodialAddresses As Long, _
    ByRef lpdwcRasAutodialAddresses 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

RasEnumAutodialAddressesA = ctypes.windll.rasapi32.RasEnumAutodialAddressesA
RasEnumAutodialAddressesA.restype = wintypes.DWORD
RasEnumAutodialAddressesA.argtypes = [
    ctypes.c_void_p,  # lppRasAutodialAddresses : LPSTR* optional, in/out
    ctypes.POINTER(wintypes.DWORD),  # lpdwcbRasAutodialAddresses : DWORD* in/out
    ctypes.POINTER(wintypes.DWORD),  # lpdwcRasAutodialAddresses : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RASAPI32.dll')
RasEnumAutodialAddressesA = Fiddle::Function.new(
  lib['RasEnumAutodialAddressesA'],
  [
    Fiddle::TYPE_VOIDP,  # lppRasAutodialAddresses : LPSTR* optional, in/out
    Fiddle::TYPE_VOIDP,  # lpdwcbRasAutodialAddresses : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # lpdwcRasAutodialAddresses : DWORD* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "rasapi32")]
extern "system" {
    fn RasEnumAutodialAddressesA(
        lppRasAutodialAddresses: *mut *mut u8,  // LPSTR* optional, in/out
        lpdwcbRasAutodialAddresses: *mut u32,  // DWORD* in/out
        lpdwcRasAutodialAddresses: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RASAPI32.dll", CharSet = CharSet.Ansi)]
public static extern uint RasEnumAutodialAddressesA(IntPtr lppRasAutodialAddresses, ref uint lpdwcbRasAutodialAddresses, out uint lpdwcRasAutodialAddresses);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RASAPI32_RasEnumAutodialAddressesA' -Namespace Win32 -PassThru
# $api::RasEnumAutodialAddressesA(lppRasAutodialAddresses, lpdwcbRasAutodialAddresses, lpdwcRasAutodialAddresses)

#uselib "RASAPI32.dll"
#func global RasEnumAutodialAddressesA "RasEnumAutodialAddressesA" sptr, sptr, sptr
; RasEnumAutodialAddressesA varptr(lppRasAutodialAddresses), varptr(lpdwcbRasAutodialAddresses), varptr(lpdwcRasAutodialAddresses)   ; 戻り値は stat
; lppRasAutodialAddresses : LPSTR* optional, in/out -> "sptr"
; lpdwcbRasAutodialAddresses : DWORD* in/out -> "sptr"
; lpdwcRasAutodialAddresses : DWORD* out -> "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 RasEnumAutodialAddressesA "RasEnumAutodialAddressesA" var, var, var
; res = RasEnumAutodialAddressesA(lppRasAutodialAddresses, lpdwcbRasAutodialAddresses, lpdwcRasAutodialAddresses)
; lppRasAutodialAddresses : LPSTR* optional, in/out -> "var"
; lpdwcbRasAutodialAddresses : DWORD* in/out -> "var"
; lpdwcRasAutodialAddresses : DWORD* out -> "var"
; ※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 RasEnumAutodialAddressesA(LPSTR* lppRasAutodialAddresses, DWORD* lpdwcbRasAutodialAddresses, DWORD* lpdwcRasAutodialAddresses)
#uselib "RASAPI32.dll"
#cfunc global RasEnumAutodialAddressesA "RasEnumAutodialAddressesA" var, var, var
; res = RasEnumAutodialAddressesA(lppRasAutodialAddresses, lpdwcbRasAutodialAddresses, lpdwcRasAutodialAddresses)
; lppRasAutodialAddresses : LPSTR* optional, in/out -> "var"
; lpdwcbRasAutodialAddresses : DWORD* in/out -> "var"
; lpdwcRasAutodialAddresses : DWORD* out -> "var"
; ※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")
	procRasEnumAutodialAddressesA = rasapi32.NewProc("RasEnumAutodialAddressesA")
)

// lppRasAutodialAddresses (LPSTR* optional, in/out), lpdwcbRasAutodialAddresses (DWORD* in/out), lpdwcRasAutodialAddresses (DWORD* out)
r1, _, err := procRasEnumAutodialAddressesA.Call(
	uintptr(lppRasAutodialAddresses),
	uintptr(lpdwcbRasAutodialAddresses),
	uintptr(lpdwcRasAutodialAddresses),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function RasEnumAutodialAddressesA(
  lppRasAutodialAddresses: PPAnsiChar;   // LPSTR* optional, in/out
  lpdwcbRasAutodialAddresses: Pointer;   // DWORD* in/out
  lpdwcRasAutodialAddresses: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'RASAPI32.dll' name 'RasEnumAutodialAddressesA';

result := DllCall("RASAPI32\RasEnumAutodialAddressesA"
    , "Ptr", lppRasAutodialAddresses   ; LPSTR* optional, in/out
    , "Ptr", lpdwcbRasAutodialAddresses   ; DWORD* in/out
    , "Ptr", lpdwcRasAutodialAddresses   ; DWORD* out
    , "UInt")   ; return: DWORD

●RasEnumAutodialAddressesA(lppRasAutodialAddresses, lpdwcbRasAutodialAddresses, lpdwcRasAutodialAddresses) = DLL("RASAPI32.dll", "dword RasEnumAutodialAddressesA(void*, void*, void*)")
# 呼び出し: RasEnumAutodialAddressesA(lppRasAutodialAddresses, lpdwcbRasAutodialAddresses, lpdwcRasAutodialAddresses)
# lppRasAutodialAddresses : LPSTR* optional, in/out -> "void*"
# lpdwcbRasAutodialAddresses : DWORD* in/out -> "void*"
# lpdwcRasAutodialAddresses : DWORD* out -> "void*"
# 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)。