PeerPnrpStartResolve

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

HRESULT PeerPnrpStartResolve(
    LPCWSTR pcwzPeerName,
    LPCWSTR pcwzCloudName,   // optional
    DWORD cMaxEndpoints,   // optional
    HANDLE hEvent,
    void** phResolve
);

<DllImport("P2P.dll", ExactSpelling:=True)>
Public Shared Function PeerPnrpStartResolve(
    <MarshalAs(UnmanagedType.LPWStr)> pcwzPeerName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pcwzCloudName As String,   ' LPCWSTR optional
    cMaxEndpoints As UInteger,   ' DWORD optional
    hEvent As IntPtr,   ' HANDLE
    phResolve As IntPtr   ' void** out
) As Integer
End Function

' pcwzPeerName : LPCWSTR
' pcwzCloudName : LPCWSTR optional
' cMaxEndpoints : DWORD optional
' hEvent : HANDLE
' phResolve : void** out
Declare PtrSafe Function PeerPnrpStartResolve Lib "p2p" ( _
    ByVal pcwzPeerName As LongPtr, _
    ByVal pcwzCloudName As LongPtr, _
    ByVal cMaxEndpoints As Long, _
    ByVal hEvent As LongPtr, _
    ByVal phResolve 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

PeerPnrpStartResolve = ctypes.windll.p2p.PeerPnrpStartResolve
PeerPnrpStartResolve.restype = ctypes.c_int
PeerPnrpStartResolve.argtypes = [
    wintypes.LPCWSTR,  # pcwzPeerName : LPCWSTR
    wintypes.LPCWSTR,  # pcwzCloudName : LPCWSTR optional
    wintypes.DWORD,  # cMaxEndpoints : DWORD optional
    wintypes.HANDLE,  # hEvent : HANDLE
    ctypes.c_void_p,  # phResolve : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('P2P.dll')
PeerPnrpStartResolve = Fiddle::Function.new(
  lib['PeerPnrpStartResolve'],
  [
    Fiddle::TYPE_VOIDP,  # pcwzPeerName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pcwzCloudName : LPCWSTR optional
    -Fiddle::TYPE_INT,  # cMaxEndpoints : DWORD optional
    Fiddle::TYPE_VOIDP,  # hEvent : HANDLE
    Fiddle::TYPE_VOIDP,  # phResolve : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "p2p")]
extern "system" {
    fn PeerPnrpStartResolve(
        pcwzPeerName: *const u16,  // LPCWSTR
        pcwzCloudName: *const u16,  // LPCWSTR optional
        cMaxEndpoints: u32,  // DWORD optional
        hEvent: *mut core::ffi::c_void,  // HANDLE
        phResolve: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("P2P.dll")]
public static extern int PeerPnrpStartResolve([MarshalAs(UnmanagedType.LPWStr)] string pcwzPeerName, [MarshalAs(UnmanagedType.LPWStr)] string pcwzCloudName, uint cMaxEndpoints, IntPtr hEvent, IntPtr phResolve);
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2P_PeerPnrpStartResolve' -Namespace Win32 -PassThru
# $api::PeerPnrpStartResolve(pcwzPeerName, pcwzCloudName, cMaxEndpoints, hEvent, phResolve)

#uselib "P2P.dll"
#func global PeerPnrpStartResolve "PeerPnrpStartResolve" sptr, sptr, sptr, sptr, sptr
; PeerPnrpStartResolve pcwzPeerName, pcwzCloudName, cMaxEndpoints, hEvent, phResolve   ; 戻り値は stat
; pcwzPeerName : LPCWSTR -> "sptr"
; pcwzCloudName : LPCWSTR optional -> "sptr"
; cMaxEndpoints : DWORD optional -> "sptr"
; hEvent : HANDLE -> "sptr"
; phResolve : 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。

#uselib "P2P.dll"
#cfunc global PeerPnrpStartResolve "PeerPnrpStartResolve" wstr, wstr, int, sptr, sptr
; res = PeerPnrpStartResolve(pcwzPeerName, pcwzCloudName, cMaxEndpoints, hEvent, phResolve)
; pcwzPeerName : LPCWSTR -> "wstr"
; pcwzCloudName : LPCWSTR optional -> "wstr"
; cMaxEndpoints : DWORD optional -> "int"
; hEvent : HANDLE -> "sptr"
; phResolve : void** out -> "sptr"

; HRESULT PeerPnrpStartResolve(LPCWSTR pcwzPeerName, LPCWSTR pcwzCloudName, DWORD cMaxEndpoints, HANDLE hEvent, void** phResolve)
#uselib "P2P.dll"
#cfunc global PeerPnrpStartResolve "PeerPnrpStartResolve" wstr, wstr, int, intptr, intptr
; res = PeerPnrpStartResolve(pcwzPeerName, pcwzCloudName, cMaxEndpoints, hEvent, phResolve)
; pcwzPeerName : LPCWSTR -> "wstr"
; pcwzCloudName : LPCWSTR optional -> "wstr"
; cMaxEndpoints : DWORD optional -> "int"
; hEvent : HANDLE -> "intptr"
; phResolve : void** out -> "intptr"

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

var (
	p2p = windows.NewLazySystemDLL("P2P.dll")
	procPeerPnrpStartResolve = p2p.NewProc("PeerPnrpStartResolve")
)

// pcwzPeerName (LPCWSTR), pcwzCloudName (LPCWSTR optional), cMaxEndpoints (DWORD optional), hEvent (HANDLE), phResolve (void** out)
r1, _, err := procPeerPnrpStartResolve.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pcwzPeerName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pcwzCloudName))),
	uintptr(cMaxEndpoints),
	uintptr(hEvent),
	uintptr(phResolve),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PeerPnrpStartResolve(
  pcwzPeerName: PWideChar;   // LPCWSTR
  pcwzCloudName: PWideChar;   // LPCWSTR optional
  cMaxEndpoints: DWORD;   // DWORD optional
  hEvent: THandle;   // HANDLE
  phResolve: Pointer   // void** out
): Integer; stdcall;
  external 'P2P.dll' name 'PeerPnrpStartResolve';

result := DllCall("P2P\PeerPnrpStartResolve"
    , "WStr", pcwzPeerName   ; LPCWSTR
    , "WStr", pcwzCloudName   ; LPCWSTR optional
    , "UInt", cMaxEndpoints   ; DWORD optional
    , "Ptr", hEvent   ; HANDLE
    , "Ptr", phResolve   ; void** out
    , "Int")   ; return: HRESULT

●PeerPnrpStartResolve(pcwzPeerName, pcwzCloudName, cMaxEndpoints, hEvent, phResolve) = DLL("P2P.dll", "int PeerPnrpStartResolve(char*, char*, dword, void*, void*)")
# 呼び出し: PeerPnrpStartResolve(pcwzPeerName, pcwzCloudName, cMaxEndpoints, hEvent, phResolve)
# pcwzPeerName : LPCWSTR -> "char*"
# pcwzCloudName : LPCWSTR optional -> "char*"
# cMaxEndpoints : DWORD optional -> "dword"
# hEvent : HANDLE -> "void*"
# phResolve : 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)。