EapHostPeerGetEncryptedPassword

// eappprxy.dll
#include <windows.h>

DWORD EapHostPeerGetEncryptedPassword(
    DWORD dwSizeofPassword,
    LPWSTR szPassword,
    LPWSTR* ppszEncPassword
);

<DllImport("eappprxy.dll", ExactSpelling:=True)>
Public Shared Function EapHostPeerGetEncryptedPassword(
    dwSizeofPassword As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> szPassword As String,   ' LPWSTR
    ppszEncPassword As IntPtr   ' LPWSTR* out
) As UInteger
End Function

' dwSizeofPassword : DWORD
' szPassword : LPWSTR
' ppszEncPassword : LPWSTR* out
Declare PtrSafe Function EapHostPeerGetEncryptedPassword Lib "eappprxy" ( _
    ByVal dwSizeofPassword As Long, _
    ByVal szPassword As LongPtr, _
    ByVal ppszEncPassword 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

EapHostPeerGetEncryptedPassword = ctypes.windll.eappprxy.EapHostPeerGetEncryptedPassword
EapHostPeerGetEncryptedPassword.restype = wintypes.DWORD
EapHostPeerGetEncryptedPassword.argtypes = [
    wintypes.DWORD,  # dwSizeofPassword : DWORD
    wintypes.LPCWSTR,  # szPassword : LPWSTR
    ctypes.c_void_p,  # ppszEncPassword : LPWSTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('eappprxy.dll')
EapHostPeerGetEncryptedPassword = Fiddle::Function.new(
  lib['EapHostPeerGetEncryptedPassword'],
  [
    -Fiddle::TYPE_INT,  # dwSizeofPassword : DWORD
    Fiddle::TYPE_VOIDP,  # szPassword : LPWSTR
    Fiddle::TYPE_VOIDP,  # ppszEncPassword : LPWSTR* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "eappprxy")]
extern "system" {
    fn EapHostPeerGetEncryptedPassword(
        dwSizeofPassword: u32,  // DWORD
        szPassword: *mut u16,  // LPWSTR
        ppszEncPassword: *mut *mut u16  // LPWSTR* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("eappprxy.dll")]
public static extern uint EapHostPeerGetEncryptedPassword(uint dwSizeofPassword, [MarshalAs(UnmanagedType.LPWStr)] string szPassword, IntPtr ppszEncPassword);
"@
$api = Add-Type -MemberDefinition $sig -Name 'eappprxy_EapHostPeerGetEncryptedPassword' -Namespace Win32 -PassThru
# $api::EapHostPeerGetEncryptedPassword(dwSizeofPassword, szPassword, ppszEncPassword)

#uselib "eappprxy.dll"
#func global EapHostPeerGetEncryptedPassword "EapHostPeerGetEncryptedPassword" sptr, sptr, sptr
; EapHostPeerGetEncryptedPassword dwSizeofPassword, szPassword, varptr(ppszEncPassword)   ; 戻り値は stat
; dwSizeofPassword : DWORD -> "sptr"
; szPassword : LPWSTR -> "sptr"
; ppszEncPassword : LPWSTR* 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 "eappprxy.dll"
#cfunc global EapHostPeerGetEncryptedPassword "EapHostPeerGetEncryptedPassword" int, wstr, var
; res = EapHostPeerGetEncryptedPassword(dwSizeofPassword, szPassword, ppszEncPassword)
; dwSizeofPassword : DWORD -> "int"
; szPassword : LPWSTR -> "wstr"
; ppszEncPassword : LPWSTR* 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 EapHostPeerGetEncryptedPassword(DWORD dwSizeofPassword, LPWSTR szPassword, LPWSTR* ppszEncPassword)
#uselib "eappprxy.dll"
#cfunc global EapHostPeerGetEncryptedPassword "EapHostPeerGetEncryptedPassword" int, wstr, var
; res = EapHostPeerGetEncryptedPassword(dwSizeofPassword, szPassword, ppszEncPassword)
; dwSizeofPassword : DWORD -> "int"
; szPassword : LPWSTR -> "wstr"
; ppszEncPassword : LPWSTR* 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 (
	eappprxy = windows.NewLazySystemDLL("eappprxy.dll")
	procEapHostPeerGetEncryptedPassword = eappprxy.NewProc("EapHostPeerGetEncryptedPassword")
)

// dwSizeofPassword (DWORD), szPassword (LPWSTR), ppszEncPassword (LPWSTR* out)
r1, _, err := procEapHostPeerGetEncryptedPassword.Call(
	uintptr(dwSizeofPassword),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(szPassword))),
	uintptr(ppszEncPassword),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function EapHostPeerGetEncryptedPassword(
  dwSizeofPassword: DWORD;   // DWORD
  szPassword: PWideChar;   // LPWSTR
  ppszEncPassword: PPWideChar   // LPWSTR* out
): DWORD; stdcall;
  external 'eappprxy.dll' name 'EapHostPeerGetEncryptedPassword';

result := DllCall("eappprxy\EapHostPeerGetEncryptedPassword"
    , "UInt", dwSizeofPassword   ; DWORD
    , "WStr", szPassword   ; LPWSTR
    , "Ptr", ppszEncPassword   ; LPWSTR* out
    , "UInt")   ; return: DWORD

●EapHostPeerGetEncryptedPassword(dwSizeofPassword, szPassword, ppszEncPassword) = DLL("eappprxy.dll", "dword EapHostPeerGetEncryptedPassword(dword, char*, void*)")
# 呼び出し: EapHostPeerGetEncryptedPassword(dwSizeofPassword, szPassword, ppszEncPassword)
# dwSizeofPassword : DWORD -> "dword"
# szPassword : LPWSTR -> "char*"
# ppszEncPassword : LPWSTR* 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)。