RasEntryDlgA

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

BOOL RasEntryDlgA(
    LPSTR lpszPhonebook,   // optional
    LPSTR lpszEntry,   // optional
    RASENTRYDLGA* lpInfo
);

<DllImport("RASDLG.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function RasEntryDlgA(
    <MarshalAs(UnmanagedType.LPStr)> lpszPhonebook As String,   ' LPSTR optional
    <MarshalAs(UnmanagedType.LPStr)> lpszEntry As String,   ' LPSTR optional
    lpInfo As IntPtr   ' RASENTRYDLGA* in/out
) As Boolean
End Function

' lpszPhonebook : LPSTR optional
' lpszEntry : LPSTR optional
' lpInfo : RASENTRYDLGA* in/out
Declare PtrSafe Function RasEntryDlgA Lib "rasdlg" ( _
    ByVal lpszPhonebook As String, _
    ByVal lpszEntry As String, _
    ByVal lpInfo As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

RasEntryDlgA = ctypes.windll.rasdlg.RasEntryDlgA
RasEntryDlgA.restype = wintypes.BOOL
RasEntryDlgA.argtypes = [
    wintypes.LPCSTR,  # lpszPhonebook : LPSTR optional
    wintypes.LPCSTR,  # lpszEntry : LPSTR optional
    ctypes.c_void_p,  # lpInfo : RASENTRYDLGA* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RASDLG.dll')
RasEntryDlgA = Fiddle::Function.new(
  lib['RasEntryDlgA'],
  [
    Fiddle::TYPE_VOIDP,  # lpszPhonebook : LPSTR optional
    Fiddle::TYPE_VOIDP,  # lpszEntry : LPSTR optional
    Fiddle::TYPE_VOIDP,  # lpInfo : RASENTRYDLGA* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "rasdlg")]
extern "system" {
    fn RasEntryDlgA(
        lpszPhonebook: *mut u8,  // LPSTR optional
        lpszEntry: *mut u8,  // LPSTR optional
        lpInfo: *mut RASENTRYDLGA  // RASENTRYDLGA* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("RASDLG.dll", CharSet = CharSet.Ansi)]
public static extern bool RasEntryDlgA([MarshalAs(UnmanagedType.LPStr)] string lpszPhonebook, [MarshalAs(UnmanagedType.LPStr)] string lpszEntry, IntPtr lpInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RASDLG_RasEntryDlgA' -Namespace Win32 -PassThru
# $api::RasEntryDlgA(lpszPhonebook, lpszEntry, lpInfo)

#uselib "RASDLG.dll"
#func global RasEntryDlgA "RasEntryDlgA" sptr, sptr, sptr
; RasEntryDlgA lpszPhonebook, lpszEntry, varptr(lpInfo)   ; 戻り値は stat
; lpszPhonebook : LPSTR optional -> "sptr"
; lpszEntry : LPSTR optional -> "sptr"
; lpInfo : RASENTRYDLGA* in/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 "RASDLG.dll"
#cfunc global RasEntryDlgA "RasEntryDlgA" str, str, var
; res = RasEntryDlgA(lpszPhonebook, lpszEntry, lpInfo)
; lpszPhonebook : LPSTR optional -> "str"
; lpszEntry : LPSTR optional -> "str"
; lpInfo : RASENTRYDLGA* in/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。

; BOOL RasEntryDlgA(LPSTR lpszPhonebook, LPSTR lpszEntry, RASENTRYDLGA* lpInfo)
#uselib "RASDLG.dll"
#cfunc global RasEntryDlgA "RasEntryDlgA" str, str, var
; res = RasEntryDlgA(lpszPhonebook, lpszEntry, lpInfo)
; lpszPhonebook : LPSTR optional -> "str"
; lpszEntry : LPSTR optional -> "str"
; lpInfo : RASENTRYDLGA* in/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 (
	rasdlg = windows.NewLazySystemDLL("RASDLG.dll")
	procRasEntryDlgA = rasdlg.NewProc("RasEntryDlgA")
)

// lpszPhonebook (LPSTR optional), lpszEntry (LPSTR optional), lpInfo (RASENTRYDLGA* in/out)
r1, _, err := procRasEntryDlgA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpszPhonebook))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpszEntry))),
	uintptr(lpInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function RasEntryDlgA(
  lpszPhonebook: PAnsiChar;   // LPSTR optional
  lpszEntry: PAnsiChar;   // LPSTR optional
  lpInfo: Pointer   // RASENTRYDLGA* in/out
): BOOL; stdcall;
  external 'RASDLG.dll' name 'RasEntryDlgA';

result := DllCall("RASDLG\RasEntryDlgA"
    , "AStr", lpszPhonebook   ; LPSTR optional
    , "AStr", lpszEntry   ; LPSTR optional
    , "Ptr", lpInfo   ; RASENTRYDLGA* in/out
    , "Int")   ; return: BOOL

●RasEntryDlgA(lpszPhonebook, lpszEntry, lpInfo) = DLL("RASDLG.dll", "bool RasEntryDlgA(char*, char*, void*)")
# 呼び出し: RasEntryDlgA(lpszPhonebook, lpszEntry, lpInfo)
# lpszPhonebook : LPSTR optional -> "char*"
# lpszEntry : LPSTR optional -> "char*"
# lpInfo : RASENTRYDLGA* in/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)。