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WlanGetNetworkBssList

関数

指定SSIDの無線LAN BSS(基地局)一覧を取得する。

DLLwlanapi.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

DWORD WlanGetNetworkBssList(
    HANDLE hClientHandle,
    const GUID* pInterfaceGuid,
    const DOT11_SSID* pDot11Ssid,   // optional
    DOT11_BSS_TYPE dot11BssType,
    BOOL bSecurityEnabled,
    void* pReserved,   // optional
    WLAN_BSS_LIST** ppWlanBssList
);

パラメーター

名前	型	方向	説明
hClientHandle	HANDLE	in	WLANクライアントハンドル。
pInterfaceGuid	GUID*	in	対象の無線インターフェイスのGUIDポインタ。
pDot11Ssid	DOT11_SSID*	inoptional	取得対象を絞るSSID(DOT11_SSID)ポインタ。全BSS対象ならNULL。
dot11BssType	DOT11_BSS_TYPE	in	対象のBSS種別(DOT11_BSS_TYPE)。インフラ/アドホック等を指定する。
bSecurityEnabled	BOOL	in	SSID未指定時に対象とするセキュリティ有効ネットワークか否かを示すBOOL。
pReserved	void*	optional	予約済み。NULLを指定する。
ppWlanBssList	WLAN_BSS_LIST**	out	BSSエントリ一覧(WLAN_BSS_LIST)を受け取る出力先。WlanFreeMemoryで解放。

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD WlanGetNetworkBssList(
    HANDLE hClientHandle,
    const GUID* pInterfaceGuid,
    const DOT11_SSID* pDot11Ssid,   // optional
    DOT11_BSS_TYPE dot11BssType,
    BOOL bSecurityEnabled,
    void* pReserved,   // optional
    WLAN_BSS_LIST** ppWlanBssList
);

[DllImport("wlanapi.dll", ExactSpelling = true)]
static extern uint WlanGetNetworkBssList(
    IntPtr hClientHandle,   // HANDLE
    ref Guid pInterfaceGuid,   // GUID*
    IntPtr pDot11Ssid,   // DOT11_SSID* optional
    int dot11BssType,   // DOT11_BSS_TYPE
    bool bSecurityEnabled,   // BOOL
    IntPtr pReserved,   // void* optional
    IntPtr ppWlanBssList   // WLAN_BSS_LIST** out
);

<DllImport("wlanapi.dll", ExactSpelling:=True)>
Public Shared Function WlanGetNetworkBssList(
    hClientHandle As IntPtr,   ' HANDLE
    ByRef pInterfaceGuid As Guid,   ' GUID*
    pDot11Ssid As IntPtr,   ' DOT11_SSID* optional
    dot11BssType As Integer,   ' DOT11_BSS_TYPE
    bSecurityEnabled As Boolean,   ' BOOL
    pReserved As IntPtr,   ' void* optional
    ppWlanBssList As IntPtr   ' WLAN_BSS_LIST** out
) As UInteger
End Function

' hClientHandle : HANDLE
' pInterfaceGuid : GUID*
' pDot11Ssid : DOT11_SSID* optional
' dot11BssType : DOT11_BSS_TYPE
' bSecurityEnabled : BOOL
' pReserved : void* optional
' ppWlanBssList : WLAN_BSS_LIST** out
Declare PtrSafe Function WlanGetNetworkBssList Lib "wlanapi" ( _
    ByVal hClientHandle As LongPtr, _
    ByVal pInterfaceGuid As LongPtr, _
    ByVal pDot11Ssid As LongPtr, _
    ByVal dot11BssType As Long, _
    ByVal bSecurityEnabled As Long, _
    ByVal pReserved As LongPtr, _
    ByVal ppWlanBssList 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

WlanGetNetworkBssList = ctypes.windll.wlanapi.WlanGetNetworkBssList
WlanGetNetworkBssList.restype = wintypes.DWORD
WlanGetNetworkBssList.argtypes = [
    wintypes.HANDLE,  # hClientHandle : HANDLE
    ctypes.c_void_p,  # pInterfaceGuid : GUID*
    ctypes.c_void_p,  # pDot11Ssid : DOT11_SSID* optional
    ctypes.c_int,  # dot11BssType : DOT11_BSS_TYPE
    wintypes.BOOL,  # bSecurityEnabled : BOOL
    ctypes.POINTER(None),  # pReserved : void* optional
    ctypes.c_void_p,  # ppWlanBssList : WLAN_BSS_LIST** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('wlanapi.dll')
WlanGetNetworkBssList = Fiddle::Function.new(
  lib['WlanGetNetworkBssList'],
  [
    Fiddle::TYPE_VOIDP,  # hClientHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # pInterfaceGuid : GUID*
    Fiddle::TYPE_VOIDP,  # pDot11Ssid : DOT11_SSID* optional
    Fiddle::TYPE_INT,  # dot11BssType : DOT11_BSS_TYPE
    Fiddle::TYPE_INT,  # bSecurityEnabled : BOOL
    Fiddle::TYPE_VOIDP,  # pReserved : void* optional
    Fiddle::TYPE_VOIDP,  # ppWlanBssList : WLAN_BSS_LIST** out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wlanapi")]
extern "system" {
    fn WlanGetNetworkBssList(
        hClientHandle: *mut core::ffi::c_void,  // HANDLE
        pInterfaceGuid: *const GUID,  // GUID*
        pDot11Ssid: *const DOT11_SSID,  // DOT11_SSID* optional
        dot11BssType: i32,  // DOT11_BSS_TYPE
        bSecurityEnabled: i32,  // BOOL
        pReserved: *mut (),  // void* optional
        ppWlanBssList: *mut *mut WLAN_BSS_LIST  // WLAN_BSS_LIST** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("wlanapi.dll")]
public static extern uint WlanGetNetworkBssList(IntPtr hClientHandle, ref Guid pInterfaceGuid, IntPtr pDot11Ssid, int dot11BssType, bool bSecurityEnabled, IntPtr pReserved, IntPtr ppWlanBssList);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wlanapi_WlanGetNetworkBssList' -Namespace Win32 -PassThru
# $api::WlanGetNetworkBssList(hClientHandle, pInterfaceGuid, pDot11Ssid, dot11BssType, bSecurityEnabled, pReserved, ppWlanBssList)

#uselib "wlanapi.dll"
#func global WlanGetNetworkBssList "WlanGetNetworkBssList" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; WlanGetNetworkBssList hClientHandle, varptr(pInterfaceGuid), varptr(pDot11Ssid), dot11BssType, bSecurityEnabled, pReserved, varptr(ppWlanBssList)   ; 戻り値は stat
; hClientHandle : HANDLE -> "sptr"
; pInterfaceGuid : GUID* -> "sptr"
; pDot11Ssid : DOT11_SSID* optional -> "sptr"
; dot11BssType : DOT11_BSS_TYPE -> "sptr"
; bSecurityEnabled : BOOL -> "sptr"
; pReserved : void* optional -> "sptr"
; ppWlanBssList : WLAN_BSS_LIST** 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 "wlanapi.dll"
#cfunc global WlanGetNetworkBssList "WlanGetNetworkBssList" sptr, var, var, int, int, sptr, var
; res = WlanGetNetworkBssList(hClientHandle, pInterfaceGuid, pDot11Ssid, dot11BssType, bSecurityEnabled, pReserved, ppWlanBssList)
; hClientHandle : HANDLE -> "sptr"
; pInterfaceGuid : GUID* -> "var"
; pDot11Ssid : DOT11_SSID* optional -> "var"
; dot11BssType : DOT11_BSS_TYPE -> "int"
; bSecurityEnabled : BOOL -> "int"
; pReserved : void* optional -> "sptr"
; ppWlanBssList : WLAN_BSS_LIST** 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 "wlanapi.dll"
#cfunc global WlanGetNetworkBssList "WlanGetNetworkBssList" sptr, sptr, sptr, int, int, sptr, sptr
; res = WlanGetNetworkBssList(hClientHandle, varptr(pInterfaceGuid), varptr(pDot11Ssid), dot11BssType, bSecurityEnabled, pReserved, varptr(ppWlanBssList))
; hClientHandle : HANDLE -> "sptr"
; pInterfaceGuid : GUID* -> "sptr"
; pDot11Ssid : DOT11_SSID* optional -> "sptr"
; dot11BssType : DOT11_BSS_TYPE -> "int"
; bSecurityEnabled : BOOL -> "int"
; pReserved : void* optional -> "sptr"
; ppWlanBssList : WLAN_BSS_LIST** 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:

; DWORD WlanGetNetworkBssList(HANDLE hClientHandle, GUID* pInterfaceGuid, DOT11_SSID* pDot11Ssid, DOT11_BSS_TYPE dot11BssType, BOOL bSecurityEnabled, void* pReserved, WLAN_BSS_LIST** ppWlanBssList)
#uselib "wlanapi.dll"
#cfunc global WlanGetNetworkBssList "WlanGetNetworkBssList" intptr, var, var, int, int, intptr, var
; res = WlanGetNetworkBssList(hClientHandle, pInterfaceGuid, pDot11Ssid, dot11BssType, bSecurityEnabled, pReserved, ppWlanBssList)
; hClientHandle : HANDLE -> "intptr"
; pInterfaceGuid : GUID* -> "var"
; pDot11Ssid : DOT11_SSID* optional -> "var"
; dot11BssType : DOT11_BSS_TYPE -> "int"
; bSecurityEnabled : BOOL -> "int"
; pReserved : void* optional -> "intptr"
; ppWlanBssList : WLAN_BSS_LIST** 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。; DWORD WlanGetNetworkBssList(HANDLE hClientHandle, GUID* pInterfaceGuid, DOT11_SSID* pDot11Ssid, DOT11_BSS_TYPE dot11BssType, BOOL bSecurityEnabled, void* pReserved, WLAN_BSS_LIST** ppWlanBssList)
#uselib "wlanapi.dll"
#cfunc global WlanGetNetworkBssList "WlanGetNetworkBssList" intptr, intptr, intptr, int, int, intptr, intptr
; res = WlanGetNetworkBssList(hClientHandle, varptr(pInterfaceGuid), varptr(pDot11Ssid), dot11BssType, bSecurityEnabled, pReserved, varptr(ppWlanBssList))
; hClientHandle : HANDLE -> "intptr"
; pInterfaceGuid : GUID* -> "intptr"
; pDot11Ssid : DOT11_SSID* optional -> "intptr"
; dot11BssType : DOT11_BSS_TYPE -> "int"
; bSecurityEnabled : BOOL -> "int"
; pReserved : void* optional -> "intptr"
; ppWlanBssList : WLAN_BSS_LIST** 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 (
	wlanapi = windows.NewLazySystemDLL("wlanapi.dll")
	procWlanGetNetworkBssList = wlanapi.NewProc("WlanGetNetworkBssList")
)

// hClientHandle (HANDLE), pInterfaceGuid (GUID*), pDot11Ssid (DOT11_SSID* optional), dot11BssType (DOT11_BSS_TYPE), bSecurityEnabled (BOOL), pReserved (void* optional), ppWlanBssList (WLAN_BSS_LIST** out)
r1, _, err := procWlanGetNetworkBssList.Call(
	uintptr(hClientHandle),
	uintptr(pInterfaceGuid),
	uintptr(pDot11Ssid),
	uintptr(dot11BssType),
	uintptr(bSecurityEnabled),
	uintptr(pReserved),
	uintptr(ppWlanBssList),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function WlanGetNetworkBssList(
  hClientHandle: THandle;   // HANDLE
  pInterfaceGuid: PGUID;   // GUID*
  pDot11Ssid: Pointer;   // DOT11_SSID* optional
  dot11BssType: Integer;   // DOT11_BSS_TYPE
  bSecurityEnabled: BOOL;   // BOOL
  pReserved: Pointer;   // void* optional
  ppWlanBssList: Pointer   // WLAN_BSS_LIST** out
): DWORD; stdcall;
  external 'wlanapi.dll' name 'WlanGetNetworkBssList';

result := DllCall("wlanapi\WlanGetNetworkBssList"
    , "Ptr", hClientHandle   ; HANDLE
    , "Ptr", pInterfaceGuid   ; GUID*
    , "Ptr", pDot11Ssid   ; DOT11_SSID* optional
    , "Int", dot11BssType   ; DOT11_BSS_TYPE
    , "Int", bSecurityEnabled   ; BOOL
    , "Ptr", pReserved   ; void* optional
    , "Ptr", ppWlanBssList   ; WLAN_BSS_LIST** out
    , "UInt")   ; return: DWORD

●WlanGetNetworkBssList(hClientHandle, pInterfaceGuid, pDot11Ssid, dot11BssType, bSecurityEnabled, pReserved, ppWlanBssList) = DLL("wlanapi.dll", "dword WlanGetNetworkBssList(void*, void*, void*, int, bool, void*, void*)")
# 呼び出し: WlanGetNetworkBssList(hClientHandle, pInterfaceGuid, pDot11Ssid, dot11BssType, bSecurityEnabled, pReserved, ppWlanBssList)
# hClientHandle : HANDLE -> "void*"
# pInterfaceGuid : GUID* -> "void*"
# pDot11Ssid : DOT11_SSID* optional -> "void*"
# dot11BssType : DOT11_BSS_TYPE -> "int"
# bSecurityEnabled : BOOL -> "bool"
# pReserved : void* optional -> "void*"
# ppWlanBssList : WLAN_BSS_LIST** 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 "wlanapi" fn WlanGetNetworkBssList(
    hClientHandle: ?*anyopaque, // HANDLE
    pInterfaceGuid: [*c]GUID, // GUID*
    pDot11Ssid: [*c]DOT11_SSID, // DOT11_SSID* optional
    dot11BssType: i32, // DOT11_BSS_TYPE
    bSecurityEnabled: i32, // BOOL
    pReserved: ?*anyopaque, // void* optional
    ppWlanBssList: [*c][*c]WLAN_BSS_LIST // WLAN_BSS_LIST** out
) callconv(std.os.windows.WINAPI) u32;

proc WlanGetNetworkBssList(
    hClientHandle: pointer,  # HANDLE
    pInterfaceGuid: ptr GUID,  # GUID*
    pDot11Ssid: ptr DOT11_SSID,  # DOT11_SSID* optional
    dot11BssType: int32,  # DOT11_BSS_TYPE
    bSecurityEnabled: int32,  # BOOL
    pReserved: pointer,  # void* optional
    ppWlanBssList: ptr WLAN_BSS_LIST  # WLAN_BSS_LIST** out
): uint32 {.importc: "WlanGetNetworkBssList", stdcall, dynlib: "wlanapi.dll".}

pragma(lib, "wlanapi");
extern(Windows)
uint WlanGetNetworkBssList(
    void* hClientHandle,   // HANDLE
    GUID* pInterfaceGuid,   // GUID*
    DOT11_SSID* pDot11Ssid,   // DOT11_SSID* optional
    int dot11BssType,   // DOT11_BSS_TYPE
    int bSecurityEnabled,   // BOOL
    void* pReserved,   // void* optional
    WLAN_BSS_LIST** ppWlanBssList   // WLAN_BSS_LIST** out
);

ccall((:WlanGetNetworkBssList, "wlanapi.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{GUID}, Ptr{DOT11_SSID}, Int32, Int32, Ptr{Cvoid}, Ptr{WLAN_BSS_LIST}),
      hClientHandle, pInterfaceGuid, pDot11Ssid, dot11BssType, bSecurityEnabled, pReserved, ppWlanBssList)
# hClientHandle : HANDLE -> Ptr{Cvoid}
# pInterfaceGuid : GUID* -> Ptr{GUID}
# pDot11Ssid : DOT11_SSID* optional -> Ptr{DOT11_SSID}
# dot11BssType : DOT11_BSS_TYPE -> Int32
# bSecurityEnabled : BOOL -> Int32
# pReserved : void* optional -> Ptr{Cvoid}
# ppWlanBssList : WLAN_BSS_LIST** out -> Ptr{WLAN_BSS_LIST}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t WlanGetNetworkBssList(
    void* hClientHandle,
    void* pInterfaceGuid,
    void* pDot11Ssid,
    int32_t dot11BssType,
    int32_t bSecurityEnabled,
    void* pReserved,
    void* ppWlanBssList);
]]
local wlanapi = ffi.load("wlanapi")
-- wlanapi.WlanGetNetworkBssList(hClientHandle, pInterfaceGuid, pDot11Ssid, dot11BssType, bSecurityEnabled, pReserved, ppWlanBssList)
-- hClientHandle : HANDLE
-- pInterfaceGuid : GUID*
-- pDot11Ssid : DOT11_SSID* optional
-- dot11BssType : DOT11_BSS_TYPE
-- bSecurityEnabled : BOOL
-- pReserved : void* optional
-- ppWlanBssList : WLAN_BSS_LIST** 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('wlanapi.dll');
const WlanGetNetworkBssList = lib.func('__stdcall', 'WlanGetNetworkBssList', 'uint32_t', ['void *', 'void *', 'void *', 'int32_t', 'int32_t', 'void *', 'void *']);
// WlanGetNetworkBssList(hClientHandle, pInterfaceGuid, pDot11Ssid, dot11BssType, bSecurityEnabled, pReserved, ppWlanBssList)
// hClientHandle : HANDLE -> 'void *'
// pInterfaceGuid : GUID* -> 'void *'
// pDot11Ssid : DOT11_SSID* optional -> 'void *'
// dot11BssType : DOT11_BSS_TYPE -> 'int32_t'
// bSecurityEnabled : BOOL -> 'int32_t'
// pReserved : void* optional -> 'void *'
// ppWlanBssList : WLAN_BSS_LIST** 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("wlanapi.dll", {
  WlanGetNetworkBssList: { parameters: ["pointer", "pointer", "pointer", "i32", "i32", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.WlanGetNetworkBssList(hClientHandle, pInterfaceGuid, pDot11Ssid, dot11BssType, bSecurityEnabled, pReserved, ppWlanBssList)
// hClientHandle : HANDLE -> "pointer"
// pInterfaceGuid : GUID* -> "pointer"
// pDot11Ssid : DOT11_SSID* optional -> "pointer"
// dot11BssType : DOT11_BSS_TYPE -> "i32"
// bSecurityEnabled : BOOL -> "i32"
// pReserved : void* optional -> "pointer"
// ppWlanBssList : WLAN_BSS_LIST** 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
uint32_t WlanGetNetworkBssList(
    void* hClientHandle,
    void* pInterfaceGuid,
    void* pDot11Ssid,
    int32_t dot11BssType,
    int32_t bSecurityEnabled,
    void* pReserved,
    void* ppWlanBssList);
C, "wlanapi.dll");
// $ffi->WlanGetNetworkBssList(hClientHandle, pInterfaceGuid, pDot11Ssid, dot11BssType, bSecurityEnabled, pReserved, ppWlanBssList);
// hClientHandle : HANDLE
// pInterfaceGuid : GUID*
// pDot11Ssid : DOT11_SSID* optional
// dot11BssType : DOT11_BSS_TYPE
// bSecurityEnabled : BOOL
// pReserved : void* optional
// ppWlanBssList : WLAN_BSS_LIST** 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 Wlanapi extends StdCallLibrary {
    Wlanapi INSTANCE = Native.load("wlanapi", Wlanapi.class);
    int WlanGetNetworkBssList(
        Pointer hClientHandle,   // HANDLE
        Pointer pInterfaceGuid,   // GUID*
        Pointer pDot11Ssid,   // DOT11_SSID* optional
        int dot11BssType,   // DOT11_BSS_TYPE
        boolean bSecurityEnabled,   // BOOL
        Pointer pReserved,   // void* optional
        Pointer ppWlanBssList   // WLAN_BSS_LIST** out
    );
}

@[Link("wlanapi")]
lib Libwlanapi
  fun WlanGetNetworkBssList = WlanGetNetworkBssList(
    hClientHandle : Void*,   # HANDLE
    pInterfaceGuid : GUID*,   # GUID*
    pDot11Ssid : DOT11_SSID*,   # DOT11_SSID* optional
    dot11BssType : Int32,   # DOT11_BSS_TYPE
    bSecurityEnabled : Int32,   # BOOL
    pReserved : Void*,   # void* optional
    ppWlanBssList : WLAN_BSS_LIST**   # WLAN_BSS_LIST** out
  ) : UInt32
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 WlanGetNetworkBssListNative = Uint32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Int32, Int32, Pointer<Void>, Pointer<Void>);
typedef WlanGetNetworkBssListDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, int, int, Pointer<Void>, Pointer<Void>);
final WlanGetNetworkBssList = DynamicLibrary.open('wlanapi.dll')
    .lookupFunction<WlanGetNetworkBssListNative, WlanGetNetworkBssListDart>('WlanGetNetworkBssList');
// hClientHandle : HANDLE -> Pointer<Void>
// pInterfaceGuid : GUID* -> Pointer<Void>
// pDot11Ssid : DOT11_SSID* optional -> Pointer<Void>
// dot11BssType : DOT11_BSS_TYPE -> Int32
// bSecurityEnabled : BOOL -> Int32
// pReserved : void* optional -> Pointer<Void>
// ppWlanBssList : WLAN_BSS_LIST** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WlanGetNetworkBssList(
  hClientHandle: THandle;   // HANDLE
  pInterfaceGuid: PGUID;   // GUID*
  pDot11Ssid: Pointer;   // DOT11_SSID* optional
  dot11BssType: Integer;   // DOT11_BSS_TYPE
  bSecurityEnabled: BOOL;   // BOOL
  pReserved: Pointer;   // void* optional
  ppWlanBssList: Pointer   // WLAN_BSS_LIST** out
): DWORD; stdcall;
  external 'wlanapi.dll' name 'WlanGetNetworkBssList';

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

foreign import stdcall safe "WlanGetNetworkBssList"
  c_WlanGetNetworkBssList :: Ptr () -> Ptr () -> Ptr () -> Int32 -> CInt -> Ptr () -> Ptr () -> IO Word32
-- hClientHandle : HANDLE -> Ptr ()
-- pInterfaceGuid : GUID* -> Ptr ()
-- pDot11Ssid : DOT11_SSID* optional -> Ptr ()
-- dot11BssType : DOT11_BSS_TYPE -> Int32
-- bSecurityEnabled : BOOL -> CInt
-- pReserved : void* optional -> Ptr ()
-- ppWlanBssList : WLAN_BSS_LIST** 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 wlangetnetworkbsslist =
  foreign "WlanGetNetworkBssList"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> int32_t @-> int32_t @-> (ptr void) @-> (ptr void) @-> returning uint32_t)
(* hClientHandle : HANDLE -> (ptr void) *)
(* pInterfaceGuid : GUID* -> (ptr void) *)
(* pDot11Ssid : DOT11_SSID* optional -> (ptr void) *)
(* dot11BssType : DOT11_BSS_TYPE -> int32_t *)
(* bSecurityEnabled : BOOL -> int32_t *)
(* pReserved : void* optional -> (ptr void) *)
(* ppWlanBssList : WLAN_BSS_LIST** 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 wlanapi (t "wlanapi.dll"))
(cffi:use-foreign-library wlanapi)

(cffi:defcfun ("WlanGetNetworkBssList" wlan-get-network-bss-list :convention :stdcall) :uint32
  (h-client-handle :pointer)   ; HANDLE
  (p-interface-guid :pointer)   ; GUID*
  (p-dot11-ssid :pointer)   ; DOT11_SSID* optional
  (dot11-bss-type :int32)   ; DOT11_BSS_TYPE
  (b-security-enabled :int32)   ; BOOL
  (p-reserved :pointer)   ; void* optional
  (pp-wlan-bss-list :pointer))   ; WLAN_BSS_LIST** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WlanGetNetworkBssList = Win32::API::More->new('wlanapi',
    'DWORD WlanGetNetworkBssList(HANDLE hClientHandle, LPVOID pInterfaceGuid, LPVOID pDot11Ssid, int dot11BssType, BOOL bSecurityEnabled, LPVOID pReserved, LPVOID ppWlanBssList)');
# my $ret = $WlanGetNetworkBssList->Call($hClientHandle, $pInterfaceGuid, $pDot11Ssid, $dot11BssType, $bSecurityEnabled, $pReserved, $ppWlanBssList);
# hClientHandle : HANDLE -> HANDLE
# pInterfaceGuid : GUID* -> LPVOID
# pDot11Ssid : DOT11_SSID* optional -> LPVOID
# dot11BssType : DOT11_BSS_TYPE -> int
# bSecurityEnabled : BOOL -> BOOL
# pReserved : void* optional -> LPVOID
# ppWlanBssList : WLAN_BSS_LIST** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

WlanGetNetworkBssList

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