PeerCollabEnumApplications

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

HRESULT PeerCollabEnumApplications(
    PEER_ENDPOINT* pcEndpoint,   // optional
    const GUID* pApplicationId,   // optional
    void** phPeerEnum
);

<DllImport("P2P.dll", ExactSpelling:=True)>
Public Shared Function PeerCollabEnumApplications(
    pcEndpoint As IntPtr,   ' PEER_ENDPOINT* optional
    pApplicationId As IntPtr,   ' GUID* optional
    phPeerEnum As IntPtr   ' void** out
) As Integer
End Function

' pcEndpoint : PEER_ENDPOINT* optional
' pApplicationId : GUID* optional
' phPeerEnum : void** out
Declare PtrSafe Function PeerCollabEnumApplications Lib "p2p" ( _
    ByVal pcEndpoint As LongPtr, _
    ByVal pApplicationId As LongPtr, _
    ByVal phPeerEnum 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

PeerCollabEnumApplications = ctypes.windll.p2p.PeerCollabEnumApplications
PeerCollabEnumApplications.restype = ctypes.c_int
PeerCollabEnumApplications.argtypes = [
    ctypes.c_void_p,  # pcEndpoint : PEER_ENDPOINT* optional
    ctypes.c_void_p,  # pApplicationId : GUID* optional
    ctypes.c_void_p,  # phPeerEnum : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('P2P.dll')
PeerCollabEnumApplications = Fiddle::Function.new(
  lib['PeerCollabEnumApplications'],
  [
    Fiddle::TYPE_VOIDP,  # pcEndpoint : PEER_ENDPOINT* optional
    Fiddle::TYPE_VOIDP,  # pApplicationId : GUID* optional
    Fiddle::TYPE_VOIDP,  # phPeerEnum : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "p2p")]
extern "system" {
    fn PeerCollabEnumApplications(
        pcEndpoint: *mut PEER_ENDPOINT,  // PEER_ENDPOINT* optional
        pApplicationId: *const GUID,  // GUID* optional
        phPeerEnum: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("P2P.dll")]
public static extern int PeerCollabEnumApplications(IntPtr pcEndpoint, IntPtr pApplicationId, IntPtr phPeerEnum);
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2P_PeerCollabEnumApplications' -Namespace Win32 -PassThru
# $api::PeerCollabEnumApplications(pcEndpoint, pApplicationId, phPeerEnum)

#uselib "P2P.dll"
#func global PeerCollabEnumApplications "PeerCollabEnumApplications" sptr, sptr, sptr
; PeerCollabEnumApplications varptr(pcEndpoint), varptr(pApplicationId), phPeerEnum   ; 戻り値は stat
; pcEndpoint : PEER_ENDPOINT* optional -> "sptr"
; pApplicationId : GUID* optional -> "sptr"
; phPeerEnum : 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")
	procPeerCollabEnumApplications = p2p.NewProc("PeerCollabEnumApplications")
)

// pcEndpoint (PEER_ENDPOINT* optional), pApplicationId (GUID* optional), phPeerEnum (void** out)
r1, _, err := procPeerCollabEnumApplications.Call(
	uintptr(pcEndpoint),
	uintptr(pApplicationId),
	uintptr(phPeerEnum),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PeerCollabEnumApplications(
  pcEndpoint: Pointer;   // PEER_ENDPOINT* optional
  pApplicationId: PGUID;   // GUID* optional
  phPeerEnum: Pointer   // void** out
): Integer; stdcall;
  external 'P2P.dll' name 'PeerCollabEnumApplications';

result := DllCall("P2P\PeerCollabEnumApplications"
    , "Ptr", pcEndpoint   ; PEER_ENDPOINT* optional
    , "Ptr", pApplicationId   ; GUID* optional
    , "Ptr", phPeerEnum   ; void** out
    , "Int")   ; return: HRESULT

●PeerCollabEnumApplications(pcEndpoint, pApplicationId, phPeerEnum) = DLL("P2P.dll", "int PeerCollabEnumApplications(void*, void*, void*)")
# 呼び出し: PeerCollabEnumApplications(pcEndpoint, pApplicationId, phPeerEnum)
# pcEndpoint : PEER_ENDPOINT* optional -> "void*"
# pApplicationId : GUID* optional -> "void*"
# phPeerEnum : 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 PeerCollabEnumApplications(
    pcEndpoint: [*c]PEER_ENDPOINT, // PEER_ENDPOINT* optional
    pApplicationId: [*c]GUID, // GUID* optional
    phPeerEnum: ?*anyopaque // void** out
) callconv(std.os.windows.WINAPI) i32;

proc PeerCollabEnumApplications(
    pcEndpoint: ptr PEER_ENDPOINT,  # PEER_ENDPOINT* optional
    pApplicationId: ptr GUID,  # GUID* optional
    phPeerEnum: pointer  # void** out
): int32 {.importc: "PeerCollabEnumApplications", stdcall, dynlib: "P2P.dll".}

pragma(lib, "p2p");
extern(Windows)
int PeerCollabEnumApplications(
    PEER_ENDPOINT* pcEndpoint,   // PEER_ENDPOINT* optional
    GUID* pApplicationId,   // GUID* optional
    void** phPeerEnum   // void** out
);

ccall((:PeerCollabEnumApplications, "P2P.dll"), stdcall, Int32,
      (Ptr{PEER_ENDPOINT}, Ptr{GUID}, Ptr{Cvoid}),
      pcEndpoint, pApplicationId, phPeerEnum)
# pcEndpoint : PEER_ENDPOINT* optional -> Ptr{PEER_ENDPOINT}
# pApplicationId : GUID* optional -> Ptr{GUID}
# phPeerEnum : 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 PeerCollabEnumApplications(
    void* pcEndpoint,
    void* pApplicationId,
    void** phPeerEnum);
]]
local p2p = ffi.load("p2p")
-- p2p.PeerCollabEnumApplications(pcEndpoint, pApplicationId, phPeerEnum)
-- pcEndpoint : PEER_ENDPOINT* optional
-- pApplicationId : GUID* optional
-- phPeerEnum : 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 PeerCollabEnumApplications = lib.func('__stdcall', 'PeerCollabEnumApplications', 'int32_t', ['void *', 'void *', 'void *']);
// PeerCollabEnumApplications(pcEndpoint, pApplicationId, phPeerEnum)
// pcEndpoint : PEER_ENDPOINT* optional -> 'void *'
// pApplicationId : GUID* optional -> 'void *'
// phPeerEnum : 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", {
  PeerCollabEnumApplications: { parameters: ["pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.PeerCollabEnumApplications(pcEndpoint, pApplicationId, phPeerEnum)
// pcEndpoint : PEER_ENDPOINT* optional -> "pointer"
// pApplicationId : GUID* optional -> "pointer"
// phPeerEnum : 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 PeerCollabEnumApplications(
    void* pcEndpoint,
    void* pApplicationId,
    void** phPeerEnum);
C, "P2P.dll");
// $ffi->PeerCollabEnumApplications(pcEndpoint, pApplicationId, phPeerEnum);
// pcEndpoint : PEER_ENDPOINT* optional
// pApplicationId : GUID* optional
// phPeerEnum : 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 PeerCollabEnumApplications(
        Pointer pcEndpoint,   // PEER_ENDPOINT* optional
        Pointer pApplicationId,   // GUID* optional
        Pointer phPeerEnum   // void** out
    );
}

@[Link("p2p")]
lib LibP2P
  fun PeerCollabEnumApplications = PeerCollabEnumApplications(
    pcEndpoint : PEER_ENDPOINT*,   # PEER_ENDPOINT* optional
    pApplicationId : GUID*,   # GUID* optional
    phPeerEnum : 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 PeerCollabEnumApplicationsNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef PeerCollabEnumApplicationsDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>);
final PeerCollabEnumApplications = DynamicLibrary.open('P2P.dll')
    .lookupFunction<PeerCollabEnumApplicationsNative, PeerCollabEnumApplicationsDart>('PeerCollabEnumApplications');
// pcEndpoint : PEER_ENDPOINT* optional -> Pointer<Void>
// pApplicationId : GUID* optional -> Pointer<Void>
// phPeerEnum : void** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PeerCollabEnumApplications(
  pcEndpoint: Pointer;   // PEER_ENDPOINT* optional
  pApplicationId: PGUID;   // GUID* optional
  phPeerEnum: Pointer   // void** out
): Integer; stdcall;
  external 'P2P.dll' name 'PeerCollabEnumApplications';

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

foreign import stdcall safe "PeerCollabEnumApplications"
  c_PeerCollabEnumApplications :: Ptr () -> Ptr () -> Ptr () -> IO Int32
-- pcEndpoint : PEER_ENDPOINT* optional -> Ptr ()
-- pApplicationId : GUID* optional -> Ptr ()
-- phPeerEnum : 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 peercollabenumapplications =
  foreign "PeerCollabEnumApplications"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* pcEndpoint : PEER_ENDPOINT* optional -> (ptr void) *)
(* pApplicationId : GUID* optional -> (ptr void) *)
(* phPeerEnum : 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 ("PeerCollabEnumApplications" peer-collab-enum-applications :convention :stdcall) :int32
  (pc-endpoint :pointer)   ; PEER_ENDPOINT* optional
  (p-application-id :pointer)   ; GUID* optional
  (ph-peer-enum :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 $PeerCollabEnumApplications = Win32::API::More->new('P2P',
    'int PeerCollabEnumApplications(LPVOID pcEndpoint, LPVOID pApplicationId, LPVOID phPeerEnum)');
# my $ret = $PeerCollabEnumApplications->Call($pcEndpoint, $pApplicationId, $phPeerEnum);
# pcEndpoint : PEER_ENDPOINT* optional -> LPVOID
# pApplicationId : GUID* optional -> LPVOID
# phPeerEnum : 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。