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ReadGuidsForConnectedNetworks

関数

接続中ネットワークのGUIDや名前などの情報を取得する。

DLLWININET.dll呼出規約winapi

シグネチャ

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

BOOL ReadGuidsForConnectedNetworks(
    DWORD* pcNetworks,   // optional
    LPWSTR** pppwszNetworkGuids,   // optional
    LPWSTR** pppbstrNetworkNames,   // optional
    LPWSTR** pppwszGWMacs,   // optional
    DWORD* pcGatewayMacs,   // optional
    DWORD* pdwFlags   // optional
);

パラメーター

名前	型	方向	説明
pcNetworks	DWORD*	outoptional	返された接続済みネットワーク数を受け取るDWORDへのポインタ。
pppwszNetworkGuids	LPWSTR**	outoptional	ネットワークGUID文字列配列を受け取るLPWSTR**。
pppbstrNetworkNames	LPWSTR**	outoptional	ネットワーク名(BSTR)配列を受け取るLPWSTR**。
pppwszGWMacs	LPWSTR**	outoptional	ゲートウェイのMACアドレス文字列配列を受け取るLPWSTR**。
pcGatewayMacs	DWORD*	outoptional	返されたゲートウェイMAC数を受け取るDWORDへのポインタ。
pdwFlags	DWORD*	outoptional	ネットワークに関する追加情報フラグを受け取るDWORDへのポインタ。

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL ReadGuidsForConnectedNetworks(
    DWORD* pcNetworks,   // optional
    LPWSTR** pppwszNetworkGuids,   // optional
    LPWSTR** pppbstrNetworkNames,   // optional
    LPWSTR** pppwszGWMacs,   // optional
    DWORD* pcGatewayMacs,   // optional
    DWORD* pdwFlags   // optional
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll", ExactSpelling = true)]
static extern bool ReadGuidsForConnectedNetworks(
    IntPtr pcNetworks,   // DWORD* optional, out
    IntPtr pppwszNetworkGuids,   // LPWSTR** optional, out
    IntPtr pppbstrNetworkNames,   // LPWSTR** optional, out
    IntPtr pppwszGWMacs,   // LPWSTR** optional, out
    IntPtr pcGatewayMacs,   // DWORD* optional, out
    IntPtr pdwFlags   // DWORD* optional, out
);

<DllImport("WININET.dll", ExactSpelling:=True)>
Public Shared Function ReadGuidsForConnectedNetworks(
    pcNetworks As IntPtr,   ' DWORD* optional, out
    pppwszNetworkGuids As IntPtr,   ' LPWSTR** optional, out
    pppbstrNetworkNames As IntPtr,   ' LPWSTR** optional, out
    pppwszGWMacs As IntPtr,   ' LPWSTR** optional, out
    pcGatewayMacs As IntPtr,   ' DWORD* optional, out
    pdwFlags As IntPtr   ' DWORD* optional, out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' pcNetworks : DWORD* optional, out
' pppwszNetworkGuids : LPWSTR** optional, out
' pppbstrNetworkNames : LPWSTR** optional, out
' pppwszGWMacs : LPWSTR** optional, out
' pcGatewayMacs : DWORD* optional, out
' pdwFlags : DWORD* optional, out
Declare PtrSafe Function ReadGuidsForConnectedNetworks Lib "wininet" ( _
    ByVal pcNetworks As LongPtr, _
    ByVal pppwszNetworkGuids As LongPtr, _
    ByVal pppbstrNetworkNames As LongPtr, _
    ByVal pppwszGWMacs As LongPtr, _
    ByVal pcGatewayMacs As LongPtr, _
    ByVal pdwFlags 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

ReadGuidsForConnectedNetworks = ctypes.windll.wininet.ReadGuidsForConnectedNetworks
ReadGuidsForConnectedNetworks.restype = wintypes.BOOL
ReadGuidsForConnectedNetworks.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # pcNetworks : DWORD* optional, out
    ctypes.c_void_p,  # pppwszNetworkGuids : LPWSTR** optional, out
    ctypes.c_void_p,  # pppbstrNetworkNames : LPWSTR** optional, out
    ctypes.c_void_p,  # pppwszGWMacs : LPWSTR** optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcGatewayMacs : DWORD* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pdwFlags : DWORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
ReadGuidsForConnectedNetworks = Fiddle::Function.new(
  lib['ReadGuidsForConnectedNetworks'],
  [
    Fiddle::TYPE_VOIDP,  # pcNetworks : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # pppwszNetworkGuids : LPWSTR** optional, out
    Fiddle::TYPE_VOIDP,  # pppbstrNetworkNames : LPWSTR** optional, out
    Fiddle::TYPE_VOIDP,  # pppwszGWMacs : LPWSTR** optional, out
    Fiddle::TYPE_VOIDP,  # pcGatewayMacs : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # pdwFlags : DWORD* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "wininet")]
extern "system" {
    fn ReadGuidsForConnectedNetworks(
        pcNetworks: *mut u32,  // DWORD* optional, out
        pppwszNetworkGuids: *mut *mut *mut u16,  // LPWSTR** optional, out
        pppbstrNetworkNames: *mut *mut *mut u16,  // LPWSTR** optional, out
        pppwszGWMacs: *mut *mut *mut u16,  // LPWSTR** optional, out
        pcGatewayMacs: *mut u32,  // DWORD* optional, out
        pdwFlags: *mut u32  // DWORD* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll")]
public static extern bool ReadGuidsForConnectedNetworks(IntPtr pcNetworks, IntPtr pppwszNetworkGuids, IntPtr pppbstrNetworkNames, IntPtr pppwszGWMacs, IntPtr pcGatewayMacs, IntPtr pdwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_ReadGuidsForConnectedNetworks' -Namespace Win32 -PassThru
# $api::ReadGuidsForConnectedNetworks(pcNetworks, pppwszNetworkGuids, pppbstrNetworkNames, pppwszGWMacs, pcGatewayMacs, pdwFlags)

#uselib "WININET.dll"
#func global ReadGuidsForConnectedNetworks "ReadGuidsForConnectedNetworks" sptr, sptr, sptr, sptr, sptr, sptr
; ReadGuidsForConnectedNetworks varptr(pcNetworks), varptr(pppwszNetworkGuids), varptr(pppbstrNetworkNames), varptr(pppwszGWMacs), varptr(pcGatewayMacs), varptr(pdwFlags)   ; 戻り値は stat
; pcNetworks : DWORD* optional, out -> "sptr"
; pppwszNetworkGuids : LPWSTR** optional, out -> "sptr"
; pppbstrNetworkNames : LPWSTR** optional, out -> "sptr"
; pppwszGWMacs : LPWSTR** optional, out -> "sptr"
; pcGatewayMacs : DWORD* optional, out -> "sptr"
; pdwFlags : DWORD* optional, 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。

出力引数:

#uselib "WININET.dll"
#cfunc global ReadGuidsForConnectedNetworks "ReadGuidsForConnectedNetworks" var, var, var, var, var, var
; res = ReadGuidsForConnectedNetworks(pcNetworks, pppwszNetworkGuids, pppbstrNetworkNames, pppwszGWMacs, pcGatewayMacs, pdwFlags)
; pcNetworks : DWORD* optional, out -> "var"
; pppwszNetworkGuids : LPWSTR** optional, out -> "var"
; pppbstrNetworkNames : LPWSTR** optional, out -> "var"
; pppwszGWMacs : LPWSTR** optional, out -> "var"
; pcGatewayMacs : DWORD* optional, out -> "var"
; pdwFlags : DWORD* optional, 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。#uselib "WININET.dll"
#cfunc global ReadGuidsForConnectedNetworks "ReadGuidsForConnectedNetworks" sptr, sptr, sptr, sptr, sptr, sptr
; res = ReadGuidsForConnectedNetworks(varptr(pcNetworks), varptr(pppwszNetworkGuids), varptr(pppbstrNetworkNames), varptr(pppwszGWMacs), varptr(pcGatewayMacs), varptr(pdwFlags))
; pcNetworks : DWORD* optional, out -> "sptr"
; pppwszNetworkGuids : LPWSTR** optional, out -> "sptr"
; pppbstrNetworkNames : LPWSTR** optional, out -> "sptr"
; pppwszGWMacs : LPWSTR** optional, out -> "sptr"
; pcGatewayMacs : DWORD* optional, out -> "sptr"
; pdwFlags : DWORD* optional, out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; BOOL ReadGuidsForConnectedNetworks(DWORD* pcNetworks, LPWSTR** pppwszNetworkGuids, LPWSTR** pppbstrNetworkNames, LPWSTR** pppwszGWMacs, DWORD* pcGatewayMacs, DWORD* pdwFlags)
#uselib "WININET.dll"
#cfunc global ReadGuidsForConnectedNetworks "ReadGuidsForConnectedNetworks" var, var, var, var, var, var
; res = ReadGuidsForConnectedNetworks(pcNetworks, pppwszNetworkGuids, pppbstrNetworkNames, pppwszGWMacs, pcGatewayMacs, pdwFlags)
; pcNetworks : DWORD* optional, out -> "var"
; pppwszNetworkGuids : LPWSTR** optional, out -> "var"
; pppbstrNetworkNames : LPWSTR** optional, out -> "var"
; pppwszGWMacs : LPWSTR** optional, out -> "var"
; pcGatewayMacs : DWORD* optional, out -> "var"
; pdwFlags : DWORD* optional, 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。; BOOL ReadGuidsForConnectedNetworks(DWORD* pcNetworks, LPWSTR** pppwszNetworkGuids, LPWSTR** pppbstrNetworkNames, LPWSTR** pppwszGWMacs, DWORD* pcGatewayMacs, DWORD* pdwFlags)
#uselib "WININET.dll"
#cfunc global ReadGuidsForConnectedNetworks "ReadGuidsForConnectedNetworks" intptr, intptr, intptr, intptr, intptr, intptr
; res = ReadGuidsForConnectedNetworks(varptr(pcNetworks), varptr(pppwszNetworkGuids), varptr(pppbstrNetworkNames), varptr(pppwszGWMacs), varptr(pcGatewayMacs), varptr(pdwFlags))
; pcNetworks : DWORD* optional, out -> "intptr"
; pppwszNetworkGuids : LPWSTR** optional, out -> "intptr"
; pppbstrNetworkNames : LPWSTR** optional, out -> "intptr"
; pppwszGWMacs : LPWSTR** optional, out -> "intptr"
; pcGatewayMacs : DWORD* optional, out -> "intptr"
; pdwFlags : DWORD* optional, out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	wininet = windows.NewLazySystemDLL("WININET.dll")
	procReadGuidsForConnectedNetworks = wininet.NewProc("ReadGuidsForConnectedNetworks")
)

// pcNetworks (DWORD* optional, out), pppwszNetworkGuids (LPWSTR** optional, out), pppbstrNetworkNames (LPWSTR** optional, out), pppwszGWMacs (LPWSTR** optional, out), pcGatewayMacs (DWORD* optional, out), pdwFlags (DWORD* optional, out)
r1, _, err := procReadGuidsForConnectedNetworks.Call(
	uintptr(pcNetworks),
	uintptr(pppwszNetworkGuids),
	uintptr(pppbstrNetworkNames),
	uintptr(pppwszGWMacs),
	uintptr(pcGatewayMacs),
	uintptr(pdwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function ReadGuidsForConnectedNetworks(
  pcNetworks: Pointer;   // DWORD* optional, out
  pppwszNetworkGuids: PPWideChar;   // LPWSTR** optional, out
  pppbstrNetworkNames: PPWideChar;   // LPWSTR** optional, out
  pppwszGWMacs: PPWideChar;   // LPWSTR** optional, out
  pcGatewayMacs: Pointer;   // DWORD* optional, out
  pdwFlags: Pointer   // DWORD* optional, out
): BOOL; stdcall;
  external 'WININET.dll' name 'ReadGuidsForConnectedNetworks';

result := DllCall("WININET\ReadGuidsForConnectedNetworks"
    , "Ptr", pcNetworks   ; DWORD* optional, out
    , "Ptr", pppwszNetworkGuids   ; LPWSTR** optional, out
    , "Ptr", pppbstrNetworkNames   ; LPWSTR** optional, out
    , "Ptr", pppwszGWMacs   ; LPWSTR** optional, out
    , "Ptr", pcGatewayMacs   ; DWORD* optional, out
    , "Ptr", pdwFlags   ; DWORD* optional, out
    , "Int")   ; return: BOOL

●ReadGuidsForConnectedNetworks(pcNetworks, pppwszNetworkGuids, pppbstrNetworkNames, pppwszGWMacs, pcGatewayMacs, pdwFlags) = DLL("WININET.dll", "bool ReadGuidsForConnectedNetworks(void*, void*, void*, void*, void*, void*)")
# 呼び出し: ReadGuidsForConnectedNetworks(pcNetworks, pppwszNetworkGuids, pppbstrNetworkNames, pppwszGWMacs, pcGatewayMacs, pdwFlags)
# pcNetworks : DWORD* optional, out -> "void*"
# pppwszNetworkGuids : LPWSTR** optional, out -> "void*"
# pppbstrNetworkNames : LPWSTR** optional, out -> "void*"
# pppwszGWMacs : LPWSTR** optional, out -> "void*"
# pcGatewayMacs : DWORD* optional, out -> "void*"
# pdwFlags : DWORD* optional, 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 "wininet" fn ReadGuidsForConnectedNetworks(
    pcNetworks: [*c]u32, // DWORD* optional, out
    pppwszNetworkGuids: [*c][*c][*c]u16, // LPWSTR** optional, out
    pppbstrNetworkNames: [*c][*c][*c]u16, // LPWSTR** optional, out
    pppwszGWMacs: [*c][*c][*c]u16, // LPWSTR** optional, out
    pcGatewayMacs: [*c]u32, // DWORD* optional, out
    pdwFlags: [*c]u32 // DWORD* optional, out
) callconv(std.os.windows.WINAPI) i32;

proc ReadGuidsForConnectedNetworks(
    pcNetworks: ptr uint32,  # DWORD* optional, out
    pppwszNetworkGuids: ptr WideCString,  # LPWSTR** optional, out
    pppbstrNetworkNames: ptr WideCString,  # LPWSTR** optional, out
    pppwszGWMacs: ptr WideCString,  # LPWSTR** optional, out
    pcGatewayMacs: ptr uint32,  # DWORD* optional, out
    pdwFlags: ptr uint32  # DWORD* optional, out
): int32 {.importc: "ReadGuidsForConnectedNetworks", stdcall, dynlib: "WININET.dll".}

pragma(lib, "wininet");
extern(Windows)
int ReadGuidsForConnectedNetworks(
    uint* pcNetworks,   // DWORD* optional, out
    wchar*** pppwszNetworkGuids,   // LPWSTR** optional, out
    wchar*** pppbstrNetworkNames,   // LPWSTR** optional, out
    wchar*** pppwszGWMacs,   // LPWSTR** optional, out
    uint* pcGatewayMacs,   // DWORD* optional, out
    uint* pdwFlags   // DWORD* optional, out
);

ccall((:ReadGuidsForConnectedNetworks, "WININET.dll"), stdcall, Int32,
      (Ptr{UInt32}, Ptr{Ptr{UInt16}}, Ptr{Ptr{UInt16}}, Ptr{Ptr{UInt16}}, Ptr{UInt32}, Ptr{UInt32}),
      pcNetworks, pppwszNetworkGuids, pppbstrNetworkNames, pppwszGWMacs, pcGatewayMacs, pdwFlags)
# pcNetworks : DWORD* optional, out -> Ptr{UInt32}
# pppwszNetworkGuids : LPWSTR** optional, out -> Ptr{Ptr{UInt16}}
# pppbstrNetworkNames : LPWSTR** optional, out -> Ptr{Ptr{UInt16}}
# pppwszGWMacs : LPWSTR** optional, out -> Ptr{Ptr{UInt16}}
# pcGatewayMacs : DWORD* optional, out -> Ptr{UInt32}
# pdwFlags : DWORD* optional, out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t ReadGuidsForConnectedNetworks(
    uint32_t* pcNetworks,
    uint16_t*** pppwszNetworkGuids,
    uint16_t*** pppbstrNetworkNames,
    uint16_t*** pppwszGWMacs,
    uint32_t* pcGatewayMacs,
    uint32_t* pdwFlags);
]]
local wininet = ffi.load("wininet")
-- wininet.ReadGuidsForConnectedNetworks(pcNetworks, pppwszNetworkGuids, pppbstrNetworkNames, pppwszGWMacs, pcGatewayMacs, pdwFlags)
-- pcNetworks : DWORD* optional, out
-- pppwszNetworkGuids : LPWSTR** optional, out
-- pppbstrNetworkNames : LPWSTR** optional, out
-- pppwszGWMacs : LPWSTR** optional, out
-- pcGatewayMacs : DWORD* optional, out
-- pdwFlags : DWORD* optional, 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('WININET.dll');
const ReadGuidsForConnectedNetworks = lib.func('__stdcall', 'ReadGuidsForConnectedNetworks', 'int32_t', ['uint32_t *', 'void *', 'void *', 'void *', 'uint32_t *', 'uint32_t *']);
// ReadGuidsForConnectedNetworks(pcNetworks, pppwszNetworkGuids, pppbstrNetworkNames, pppwszGWMacs, pcGatewayMacs, pdwFlags)
// pcNetworks : DWORD* optional, out -> 'uint32_t *'
// pppwszNetworkGuids : LPWSTR** optional, out -> 'void *'
// pppbstrNetworkNames : LPWSTR** optional, out -> 'void *'
// pppwszGWMacs : LPWSTR** optional, out -> 'void *'
// pcGatewayMacs : DWORD* optional, out -> 'uint32_t *'
// pdwFlags : DWORD* optional, out -> 'uint32_t *'
// 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("WININET.dll", {
  ReadGuidsForConnectedNetworks: { parameters: ["pointer", "pointer", "pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.ReadGuidsForConnectedNetworks(pcNetworks, pppwszNetworkGuids, pppbstrNetworkNames, pppwszGWMacs, pcGatewayMacs, pdwFlags)
// pcNetworks : DWORD* optional, out -> "pointer"
// pppwszNetworkGuids : LPWSTR** optional, out -> "pointer"
// pppbstrNetworkNames : LPWSTR** optional, out -> "pointer"
// pppwszGWMacs : LPWSTR** optional, out -> "pointer"
// pcGatewayMacs : DWORD* optional, out -> "pointer"
// pdwFlags : DWORD* optional, 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 ReadGuidsForConnectedNetworks(
    uint32_t* pcNetworks,
    uint16_t*** pppwszNetworkGuids,
    uint16_t*** pppbstrNetworkNames,
    uint16_t*** pppwszGWMacs,
    uint32_t* pcGatewayMacs,
    uint32_t* pdwFlags);
C, "WININET.dll");
// $ffi->ReadGuidsForConnectedNetworks(pcNetworks, pppwszNetworkGuids, pppbstrNetworkNames, pppwszGWMacs, pcGatewayMacs, pdwFlags);
// pcNetworks : DWORD* optional, out
// pppwszNetworkGuids : LPWSTR** optional, out
// pppbstrNetworkNames : LPWSTR** optional, out
// pppwszGWMacs : LPWSTR** optional, out
// pcGatewayMacs : DWORD* optional, out
// pdwFlags : DWORD* optional, 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 Wininet extends StdCallLibrary {
    Wininet INSTANCE = Native.load("wininet", Wininet.class);
    boolean ReadGuidsForConnectedNetworks(
        IntByReference pcNetworks,   // DWORD* optional, out
        PointerByReference pppwszNetworkGuids,   // LPWSTR** optional, out
        PointerByReference pppbstrNetworkNames,   // LPWSTR** optional, out
        PointerByReference pppwszGWMacs,   // LPWSTR** optional, out
        IntByReference pcGatewayMacs,   // DWORD* optional, out
        IntByReference pdwFlags   // DWORD* optional, out
    );
}

@[Link("wininet")]
lib LibWININET
  fun ReadGuidsForConnectedNetworks = ReadGuidsForConnectedNetworks(
    pcNetworks : UInt32*,   # DWORD* optional, out
    pppwszNetworkGuids : UInt16***,   # LPWSTR** optional, out
    pppbstrNetworkNames : UInt16***,   # LPWSTR** optional, out
    pppwszGWMacs : UInt16***,   # LPWSTR** optional, out
    pcGatewayMacs : UInt32*,   # DWORD* optional, out
    pdwFlags : UInt32*   # DWORD* optional, 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 ReadGuidsForConnectedNetworksNative = Int32 Function(Pointer<Uint32>, Pointer<Pointer<Utf16>>, Pointer<Pointer<Utf16>>, Pointer<Pointer<Utf16>>, Pointer<Uint32>, Pointer<Uint32>);
typedef ReadGuidsForConnectedNetworksDart = int Function(Pointer<Uint32>, Pointer<Pointer<Utf16>>, Pointer<Pointer<Utf16>>, Pointer<Pointer<Utf16>>, Pointer<Uint32>, Pointer<Uint32>);
final ReadGuidsForConnectedNetworks = DynamicLibrary.open('WININET.dll')
    .lookupFunction<ReadGuidsForConnectedNetworksNative, ReadGuidsForConnectedNetworksDart>('ReadGuidsForConnectedNetworks');
// pcNetworks : DWORD* optional, out -> Pointer<Uint32>
// pppwszNetworkGuids : LPWSTR** optional, out -> Pointer<Pointer<Utf16>>
// pppbstrNetworkNames : LPWSTR** optional, out -> Pointer<Pointer<Utf16>>
// pppwszGWMacs : LPWSTR** optional, out -> Pointer<Pointer<Utf16>>
// pcGatewayMacs : DWORD* optional, out -> Pointer<Uint32>
// pdwFlags : DWORD* optional, out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ReadGuidsForConnectedNetworks(
  pcNetworks: Pointer;   // DWORD* optional, out
  pppwszNetworkGuids: PPWideChar;   // LPWSTR** optional, out
  pppbstrNetworkNames: PPWideChar;   // LPWSTR** optional, out
  pppwszGWMacs: PPWideChar;   // LPWSTR** optional, out
  pcGatewayMacs: Pointer;   // DWORD* optional, out
  pdwFlags: Pointer   // DWORD* optional, out
): BOOL; stdcall;
  external 'WININET.dll' name 'ReadGuidsForConnectedNetworks';

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

foreign import stdcall safe "ReadGuidsForConnectedNetworks"
  c_ReadGuidsForConnectedNetworks :: Ptr Word32 -> Ptr CWString -> Ptr CWString -> Ptr CWString -> Ptr Word32 -> Ptr Word32 -> IO CInt
-- pcNetworks : DWORD* optional, out -> Ptr Word32
-- pppwszNetworkGuids : LPWSTR** optional, out -> Ptr CWString
-- pppbstrNetworkNames : LPWSTR** optional, out -> Ptr CWString
-- pppwszGWMacs : LPWSTR** optional, out -> Ptr CWString
-- pcGatewayMacs : DWORD* optional, out -> Ptr Word32
-- pdwFlags : DWORD* optional, out -> Ptr Word32
-- 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 readguidsforconnectednetworks =
  foreign "ReadGuidsForConnectedNetworks"
    ((ptr uint32_t) @-> (ptr (ptr uint16_t)) @-> (ptr (ptr uint16_t)) @-> (ptr (ptr uint16_t)) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> returning int32_t)
(* pcNetworks : DWORD* optional, out -> (ptr uint32_t) *)
(* pppwszNetworkGuids : LPWSTR** optional, out -> (ptr (ptr uint16_t)) *)
(* pppbstrNetworkNames : LPWSTR** optional, out -> (ptr (ptr uint16_t)) *)
(* pppwszGWMacs : LPWSTR** optional, out -> (ptr (ptr uint16_t)) *)
(* pcGatewayMacs : DWORD* optional, out -> (ptr uint32_t) *)
(* pdwFlags : DWORD* optional, out -> (ptr uint32_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 wininet (t "WININET.dll"))
(cffi:use-foreign-library wininet)

(cffi:defcfun ("ReadGuidsForConnectedNetworks" read-guids-for-connected-networks :convention :stdcall) :int32
  (pc-networks :pointer)   ; DWORD* optional, out
  (pppwsz-network-guids :pointer)   ; LPWSTR** optional, out
  (pppbstr-network-names :pointer)   ; LPWSTR** optional, out
  (pppwsz-gwmacs :pointer)   ; LPWSTR** optional, out
  (pc-gateway-macs :pointer)   ; DWORD* optional, out
  (pdw-flags :pointer))   ; DWORD* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ReadGuidsForConnectedNetworks = Win32::API::More->new('WININET',
    'BOOL ReadGuidsForConnectedNetworks(LPVOID pcNetworks, LPVOID pppwszNetworkGuids, LPVOID pppbstrNetworkNames, LPVOID pppwszGWMacs, LPVOID pcGatewayMacs, LPVOID pdwFlags)');
# my $ret = $ReadGuidsForConnectedNetworks->Call($pcNetworks, $pppwszNetworkGuids, $pppbstrNetworkNames, $pppwszGWMacs, $pcGatewayMacs, $pdwFlags);
# pcNetworks : DWORD* optional, out -> LPVOID
# pppwszNetworkGuids : LPWSTR** optional, out -> LPVOID
# pppbstrNetworkNames : LPWSTR** optional, out -> LPVOID
# pppwszGWMacs : LPWSTR** optional, out -> LPVOID
# pcGatewayMacs : DWORD* optional, out -> LPVOID
# pdwFlags : DWORD* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。