PeerIdentityGetFriendlyName

// P2P.dll
#include <windows.h>

HRESULT PeerIdentityGetFriendlyName(
    LPCWSTR pwzIdentity,   // optional
    LPWSTR* ppwzFriendlyName
);

<DllImport("P2P.dll", ExactSpelling:=True)>
Public Shared Function PeerIdentityGetFriendlyName(
    <MarshalAs(UnmanagedType.LPWStr)> pwzIdentity As String,   ' LPCWSTR optional
    ppwzFriendlyName As IntPtr   ' LPWSTR* out
) As Integer
End Function

' pwzIdentity : LPCWSTR optional
' ppwzFriendlyName : LPWSTR* out
Declare PtrSafe Function PeerIdentityGetFriendlyName Lib "p2p" ( _
    ByVal pwzIdentity As LongPtr, _
    ByVal ppwzFriendlyName 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

PeerIdentityGetFriendlyName = ctypes.windll.p2p.PeerIdentityGetFriendlyName
PeerIdentityGetFriendlyName.restype = ctypes.c_int
PeerIdentityGetFriendlyName.argtypes = [
    wintypes.LPCWSTR,  # pwzIdentity : LPCWSTR optional
    ctypes.c_void_p,  # ppwzFriendlyName : LPWSTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('P2P.dll')
PeerIdentityGetFriendlyName = Fiddle::Function.new(
  lib['PeerIdentityGetFriendlyName'],
  [
    Fiddle::TYPE_VOIDP,  # pwzIdentity : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # ppwzFriendlyName : LPWSTR* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "p2p")]
extern "system" {
    fn PeerIdentityGetFriendlyName(
        pwzIdentity: *const u16,  // LPCWSTR optional
        ppwzFriendlyName: *mut *mut u16  // LPWSTR* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("P2P.dll")]
public static extern int PeerIdentityGetFriendlyName([MarshalAs(UnmanagedType.LPWStr)] string pwzIdentity, IntPtr ppwzFriendlyName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2P_PeerIdentityGetFriendlyName' -Namespace Win32 -PassThru
# $api::PeerIdentityGetFriendlyName(pwzIdentity, ppwzFriendlyName)

#uselib "P2P.dll"
#func global PeerIdentityGetFriendlyName "PeerIdentityGetFriendlyName" sptr, sptr
; PeerIdentityGetFriendlyName pwzIdentity, varptr(ppwzFriendlyName)   ; 戻り値は stat
; pwzIdentity : LPCWSTR optional -> "sptr"
; ppwzFriendlyName : 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。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	p2p = windows.NewLazySystemDLL("P2P.dll")
	procPeerIdentityGetFriendlyName = p2p.NewProc("PeerIdentityGetFriendlyName")
)

// pwzIdentity (LPCWSTR optional), ppwzFriendlyName (LPWSTR* out)
r1, _, err := procPeerIdentityGetFriendlyName.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwzIdentity))),
	uintptr(ppwzFriendlyName),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PeerIdentityGetFriendlyName(
  pwzIdentity: PWideChar;   // LPCWSTR optional
  ppwzFriendlyName: PPWideChar   // LPWSTR* out
): Integer; stdcall;
  external 'P2P.dll' name 'PeerIdentityGetFriendlyName';

result := DllCall("P2P\PeerIdentityGetFriendlyName"
    , "WStr", pwzIdentity   ; LPCWSTR optional
    , "Ptr", ppwzFriendlyName   ; LPWSTR* out
    , "Int")   ; return: HRESULT

●PeerIdentityGetFriendlyName(pwzIdentity, ppwzFriendlyName) = DLL("P2P.dll", "int PeerIdentityGetFriendlyName(char*, void*)")
# 呼び出し: PeerIdentityGetFriendlyName(pwzIdentity, ppwzFriendlyName)
# pwzIdentity : LPCWSTR optional -> "char*"
# ppwzFriendlyName : 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)。

const std = @import("std");

extern "p2p" fn PeerIdentityGetFriendlyName(
    pwzIdentity: [*c]const u16, // LPCWSTR optional
    ppwzFriendlyName: [*c][*c]u16 // LPWSTR* out
) callconv(std.os.windows.WINAPI) i32;

proc PeerIdentityGetFriendlyName(
    pwzIdentity: WideCString,  # LPCWSTR optional
    ppwzFriendlyName: ptr WideCString  # LPWSTR* out
): int32 {.importc: "PeerIdentityGetFriendlyName", stdcall, dynlib: "P2P.dll".}

pragma(lib, "p2p");
extern(Windows)
int PeerIdentityGetFriendlyName(
    const(wchar)* pwzIdentity,   // LPCWSTR optional
    wchar** ppwzFriendlyName   // LPWSTR* out
);

ccall((:PeerIdentityGetFriendlyName, "P2P.dll"), stdcall, Int32,
      (Cwstring, Ptr{Ptr{UInt16}}),
      pwzIdentity, ppwzFriendlyName)
# pwzIdentity : LPCWSTR optional -> Cwstring
# ppwzFriendlyName : LPWSTR* out -> Ptr{Ptr{UInt16}}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t PeerIdentityGetFriendlyName(
    const uint16_t* pwzIdentity,
    uint16_t** ppwzFriendlyName);
]]
local p2p = ffi.load("p2p")
-- p2p.PeerIdentityGetFriendlyName(pwzIdentity, ppwzFriendlyName)
-- pwzIdentity : LPCWSTR optional
-- ppwzFriendlyName : LPWSTR* out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('P2P.dll');
const PeerIdentityGetFriendlyName = lib.func('__stdcall', 'PeerIdentityGetFriendlyName', 'int32_t', ['str16', 'void *']);
// PeerIdentityGetFriendlyName(pwzIdentity, ppwzFriendlyName)
// pwzIdentity : LPCWSTR optional -> 'str16'
// ppwzFriendlyName : LPWSTR* out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("P2P.dll", {
  PeerIdentityGetFriendlyName: { parameters: ["buffer", "pointer"], result: "i32" },
});
// lib.symbols.PeerIdentityGetFriendlyName(pwzIdentity, ppwzFriendlyName)
// pwzIdentity : LPCWSTR optional -> "buffer"
// ppwzFriendlyName : LPWSTR* out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t PeerIdentityGetFriendlyName(
    const uint16_t* pwzIdentity,
    uint16_t** ppwzFriendlyName);
C, "P2P.dll");
// $ffi->PeerIdentityGetFriendlyName(pwzIdentity, ppwzFriendlyName);
// pwzIdentity : LPCWSTR optional
// ppwzFriendlyName : LPWSTR* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface P2p extends StdCallLibrary {
    P2p INSTANCE = Native.load("p2p", P2p.class);
    int PeerIdentityGetFriendlyName(
        WString pwzIdentity,   // LPCWSTR optional
        PointerByReference ppwzFriendlyName   // LPWSTR* out
    );
}

@[Link("p2p")]
lib LibP2P
  fun PeerIdentityGetFriendlyName = PeerIdentityGetFriendlyName(
    pwzIdentity : UInt16*,   # LPCWSTR optional
    ppwzFriendlyName : UInt16**   # LPWSTR* out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef PeerIdentityGetFriendlyNameNative = Int32 Function(Pointer<Utf16>, Pointer<Pointer<Utf16>>);
typedef PeerIdentityGetFriendlyNameDart = int Function(Pointer<Utf16>, Pointer<Pointer<Utf16>>);
final PeerIdentityGetFriendlyName = DynamicLibrary.open('P2P.dll')
    .lookupFunction<PeerIdentityGetFriendlyNameNative, PeerIdentityGetFriendlyNameDart>('PeerIdentityGetFriendlyName');
// pwzIdentity : LPCWSTR optional -> Pointer<Utf16>
// ppwzFriendlyName : LPWSTR* out -> Pointer<Pointer<Utf16>>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PeerIdentityGetFriendlyName(
  pwzIdentity: PWideChar;   // LPCWSTR optional
  ppwzFriendlyName: PPWideChar   // LPWSTR* out
): Integer; stdcall;
  external 'P2P.dll' name 'PeerIdentityGetFriendlyName';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "PeerIdentityGetFriendlyName"
  c_PeerIdentityGetFriendlyName :: CWString -> Ptr CWString -> IO Int32
-- pwzIdentity : LPCWSTR optional -> CWString
-- ppwzFriendlyName : LPWSTR* out -> Ptr CWString
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let peeridentitygetfriendlyname =
  foreign "PeerIdentityGetFriendlyName"
    ((ptr uint16_t) @-> (ptr (ptr uint16_t)) @-> returning int32_t)
(* pwzIdentity : LPCWSTR optional -> (ptr uint16_t) *)
(* ppwzFriendlyName : LPWSTR* out -> (ptr (ptr uint16_t)) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library p2p (t "P2P.dll"))
(cffi:use-foreign-library p2p)

(cffi:defcfun ("PeerIdentityGetFriendlyName" peer-identity-get-friendly-name :convention :stdcall) :int32
  (pwz-identity (:string :encoding :utf-16le))   ; LPCWSTR optional
  (ppwz-friendly-name :pointer))   ; LPWSTR* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PeerIdentityGetFriendlyName = Win32::API::More->new('P2P',
    'int PeerIdentityGetFriendlyName(LPCWSTR pwzIdentity, LPVOID ppwzFriendlyName)');
# my $ret = $PeerIdentityGetFriendlyName->Call($pwzIdentity, $ppwzFriendlyName);
# pwzIdentity : LPCWSTR optional -> LPCWSTR
# ppwzFriendlyName : LPWSTR* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。