PeerCollabExportContact

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

HRESULT PeerCollabExportContact(
    LPCWSTR pwzPeerName,   // optional
    LPWSTR* ppwzContactData
);

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

' pwzPeerName : LPCWSTR optional
' ppwzContactData : LPWSTR* out
Declare PtrSafe Function PeerCollabExportContact Lib "p2p" ( _
    ByVal pwzPeerName As LongPtr, _
    ByVal ppwzContactData 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

PeerCollabExportContact = ctypes.windll.p2p.PeerCollabExportContact
PeerCollabExportContact.restype = ctypes.c_int
PeerCollabExportContact.argtypes = [
    wintypes.LPCWSTR,  # pwzPeerName : LPCWSTR optional
    ctypes.c_void_p,  # ppwzContactData : LPWSTR* out
]

require 'fiddle'
require 'fiddle/import'

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

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

$sig = @"
[DllImport("P2P.dll")]
public static extern int PeerCollabExportContact([MarshalAs(UnmanagedType.LPWStr)] string pwzPeerName, IntPtr ppwzContactData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2P_PeerCollabExportContact' -Namespace Win32 -PassThru
# $api::PeerCollabExportContact(pwzPeerName, ppwzContactData)

#uselib "P2P.dll"
#func global PeerCollabExportContact "PeerCollabExportContact" sptr, sptr
; PeerCollabExportContact pwzPeerName, varptr(ppwzContactData)   ; 戻り値は stat
; pwzPeerName : LPCWSTR optional -> "sptr"
; ppwzContactData : 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 "P2P.dll"
#cfunc global PeerCollabExportContact "PeerCollabExportContact" wstr, var
; res = PeerCollabExportContact(pwzPeerName, ppwzContactData)
; pwzPeerName : LPCWSTR optional -> "wstr"
; ppwzContactData : 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。

; HRESULT PeerCollabExportContact(LPCWSTR pwzPeerName, LPWSTR* ppwzContactData)
#uselib "P2P.dll"
#cfunc global PeerCollabExportContact "PeerCollabExportContact" wstr, var
; res = PeerCollabExportContact(pwzPeerName, ppwzContactData)
; pwzPeerName : LPCWSTR optional -> "wstr"
; ppwzContactData : 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 (
	p2p = windows.NewLazySystemDLL("P2P.dll")
	procPeerCollabExportContact = p2p.NewProc("PeerCollabExportContact")
)

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

function PeerCollabExportContact(
  pwzPeerName: PWideChar;   // LPCWSTR optional
  ppwzContactData: PPWideChar   // LPWSTR* out
): Integer; stdcall;
  external 'P2P.dll' name 'PeerCollabExportContact';

result := DllCall("P2P\PeerCollabExportContact"
    , "WStr", pwzPeerName   ; LPCWSTR optional
    , "Ptr", ppwzContactData   ; LPWSTR* out
    , "Int")   ; return: HRESULT

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