PeerPnrpRegister

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

HRESULT PeerPnrpRegister(
    LPCWSTR pcwzPeerName,
    PEER_PNRP_REGISTRATION_INFO* pRegistrationInfo,   // optional
    void** phRegistration
);

<DllImport("P2P.dll", ExactSpelling:=True)>
Public Shared Function PeerPnrpRegister(
    <MarshalAs(UnmanagedType.LPWStr)> pcwzPeerName As String,   ' LPCWSTR
    pRegistrationInfo As IntPtr,   ' PEER_PNRP_REGISTRATION_INFO* optional
    phRegistration As IntPtr   ' void** out
) As Integer
End Function

' pcwzPeerName : LPCWSTR
' pRegistrationInfo : PEER_PNRP_REGISTRATION_INFO* optional
' phRegistration : void** out
Declare PtrSafe Function PeerPnrpRegister Lib "p2p" ( _
    ByVal pcwzPeerName As LongPtr, _
    ByVal pRegistrationInfo As LongPtr, _
    ByVal phRegistration 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

PeerPnrpRegister = ctypes.windll.p2p.PeerPnrpRegister
PeerPnrpRegister.restype = ctypes.c_int
PeerPnrpRegister.argtypes = [
    wintypes.LPCWSTR,  # pcwzPeerName : LPCWSTR
    ctypes.c_void_p,  # pRegistrationInfo : PEER_PNRP_REGISTRATION_INFO* optional
    ctypes.c_void_p,  # phRegistration : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('P2P.dll')
PeerPnrpRegister = Fiddle::Function.new(
  lib['PeerPnrpRegister'],
  [
    Fiddle::TYPE_VOIDP,  # pcwzPeerName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pRegistrationInfo : PEER_PNRP_REGISTRATION_INFO* optional
    Fiddle::TYPE_VOIDP,  # phRegistration : void** out
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("P2P.dll")]
public static extern int PeerPnrpRegister([MarshalAs(UnmanagedType.LPWStr)] string pcwzPeerName, IntPtr pRegistrationInfo, IntPtr phRegistration);
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2P_PeerPnrpRegister' -Namespace Win32 -PassThru
# $api::PeerPnrpRegister(pcwzPeerName, pRegistrationInfo, phRegistration)

#uselib "P2P.dll"
#func global PeerPnrpRegister "PeerPnrpRegister" sptr, sptr, sptr
; PeerPnrpRegister pcwzPeerName, varptr(pRegistrationInfo), phRegistration   ; 戻り値は stat
; pcwzPeerName : LPCWSTR -> "sptr"
; pRegistrationInfo : PEER_PNRP_REGISTRATION_INFO* optional -> "sptr"
; phRegistration : void** 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")
	procPeerPnrpRegister = p2p.NewProc("PeerPnrpRegister")
)

// pcwzPeerName (LPCWSTR), pRegistrationInfo (PEER_PNRP_REGISTRATION_INFO* optional), phRegistration (void** out)
r1, _, err := procPeerPnrpRegister.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pcwzPeerName))),
	uintptr(pRegistrationInfo),
	uintptr(phRegistration),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PeerPnrpRegister(
  pcwzPeerName: PWideChar;   // LPCWSTR
  pRegistrationInfo: Pointer;   // PEER_PNRP_REGISTRATION_INFO* optional
  phRegistration: Pointer   // void** out
): Integer; stdcall;
  external 'P2P.dll' name 'PeerPnrpRegister';

result := DllCall("P2P\PeerPnrpRegister"
    , "WStr", pcwzPeerName   ; LPCWSTR
    , "Ptr", pRegistrationInfo   ; PEER_PNRP_REGISTRATION_INFO* optional
    , "Ptr", phRegistration   ; void** out
    , "Int")   ; return: HRESULT

●PeerPnrpRegister(pcwzPeerName, pRegistrationInfo, phRegistration) = DLL("P2P.dll", "int PeerPnrpRegister(char*, void*, void*)")
# 呼び出し: PeerPnrpRegister(pcwzPeerName, pRegistrationInfo, phRegistration)
# pcwzPeerName : LPCWSTR -> "char*"
# pRegistrationInfo : PEER_PNRP_REGISTRATION_INFO* optional -> "void*"
# phRegistration : void** 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 PeerPnrpRegister(
    pcwzPeerName: [*c]const u16, // LPCWSTR
    pRegistrationInfo: [*c]PEER_PNRP_REGISTRATION_INFO, // PEER_PNRP_REGISTRATION_INFO* optional
    phRegistration: ?*anyopaque // void** out
) callconv(std.os.windows.WINAPI) i32;

proc PeerPnrpRegister(
    pcwzPeerName: WideCString,  # LPCWSTR
    pRegistrationInfo: ptr PEER_PNRP_REGISTRATION_INFO,  # PEER_PNRP_REGISTRATION_INFO* optional
    phRegistration: pointer  # void** out
): int32 {.importc: "PeerPnrpRegister", stdcall, dynlib: "P2P.dll".}

pragma(lib, "p2p");
extern(Windows)
int PeerPnrpRegister(
    const(wchar)* pcwzPeerName,   // LPCWSTR
    PEER_PNRP_REGISTRATION_INFO* pRegistrationInfo,   // PEER_PNRP_REGISTRATION_INFO* optional
    void** phRegistration   // void** out
);

ccall((:PeerPnrpRegister, "P2P.dll"), stdcall, Int32,
      (Cwstring, Ptr{PEER_PNRP_REGISTRATION_INFO}, Ptr{Cvoid}),
      pcwzPeerName, pRegistrationInfo, phRegistration)
# pcwzPeerName : LPCWSTR -> Cwstring
# pRegistrationInfo : PEER_PNRP_REGISTRATION_INFO* optional -> Ptr{PEER_PNRP_REGISTRATION_INFO}
# phRegistration : void** out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t PeerPnrpRegister(
    const uint16_t* pcwzPeerName,
    void* pRegistrationInfo,
    void** phRegistration);
]]
local p2p = ffi.load("p2p")
-- p2p.PeerPnrpRegister(pcwzPeerName, pRegistrationInfo, phRegistration)
-- pcwzPeerName : LPCWSTR
-- pRegistrationInfo : PEER_PNRP_REGISTRATION_INFO* optional
-- phRegistration : void** 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 PeerPnrpRegister = lib.func('__stdcall', 'PeerPnrpRegister', 'int32_t', ['str16', 'void *', 'void *']);
// PeerPnrpRegister(pcwzPeerName, pRegistrationInfo, phRegistration)
// pcwzPeerName : LPCWSTR -> 'str16'
// pRegistrationInfo : PEER_PNRP_REGISTRATION_INFO* optional -> 'void *'
// phRegistration : void** 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", {
  PeerPnrpRegister: { parameters: ["buffer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.PeerPnrpRegister(pcwzPeerName, pRegistrationInfo, phRegistration)
// pcwzPeerName : LPCWSTR -> "buffer"
// pRegistrationInfo : PEER_PNRP_REGISTRATION_INFO* optional -> "pointer"
// phRegistration : void** 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 PeerPnrpRegister(
    const uint16_t* pcwzPeerName,
    void* pRegistrationInfo,
    void** phRegistration);
C, "P2P.dll");
// $ffi->PeerPnrpRegister(pcwzPeerName, pRegistrationInfo, phRegistration);
// pcwzPeerName : LPCWSTR
// pRegistrationInfo : PEER_PNRP_REGISTRATION_INFO* optional
// phRegistration : void** 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 PeerPnrpRegister(
        WString pcwzPeerName,   // LPCWSTR
        Pointer pRegistrationInfo,   // PEER_PNRP_REGISTRATION_INFO* optional
        Pointer phRegistration   // void** out
    );
}

@[Link("p2p")]
lib LibP2P
  fun PeerPnrpRegister = PeerPnrpRegister(
    pcwzPeerName : UInt16*,   # LPCWSTR
    pRegistrationInfo : PEER_PNRP_REGISTRATION_INFO*,   # PEER_PNRP_REGISTRATION_INFO* optional
    phRegistration : Void**   # void** 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 PeerPnrpRegisterNative = Int32 Function(Pointer<Utf16>, Pointer<Void>, Pointer<Void>);
typedef PeerPnrpRegisterDart = int Function(Pointer<Utf16>, Pointer<Void>, Pointer<Void>);
final PeerPnrpRegister = DynamicLibrary.open('P2P.dll')
    .lookupFunction<PeerPnrpRegisterNative, PeerPnrpRegisterDart>('PeerPnrpRegister');
// pcwzPeerName : LPCWSTR -> Pointer<Utf16>
// pRegistrationInfo : PEER_PNRP_REGISTRATION_INFO* optional -> Pointer<Void>
// phRegistration : void** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PeerPnrpRegister(
  pcwzPeerName: PWideChar;   // LPCWSTR
  pRegistrationInfo: Pointer;   // PEER_PNRP_REGISTRATION_INFO* optional
  phRegistration: Pointer   // void** out
): Integer; stdcall;
  external 'P2P.dll' name 'PeerPnrpRegister';

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

foreign import stdcall safe "PeerPnrpRegister"
  c_PeerPnrpRegister :: CWString -> Ptr () -> Ptr () -> IO Int32
-- pcwzPeerName : LPCWSTR -> CWString
-- pRegistrationInfo : PEER_PNRP_REGISTRATION_INFO* optional -> Ptr ()
-- phRegistration : void** out -> Ptr ()
-- 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 peerpnrpregister =
  foreign "PeerPnrpRegister"
    ((ptr uint16_t) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* pcwzPeerName : LPCWSTR -> (ptr uint16_t) *)
(* pRegistrationInfo : PEER_PNRP_REGISTRATION_INFO* optional -> (ptr void) *)
(* phRegistration : void** out -> (ptr void) *)
(* 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 ("PeerPnrpRegister" peer-pnrp-register :convention :stdcall) :int32
  (pcwz-peer-name (:string :encoding :utf-16le))   ; LPCWSTR
  (p-registration-info :pointer)   ; PEER_PNRP_REGISTRATION_INFO* optional
  (ph-registration :pointer))   ; void** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

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