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WlanEnumInterfaces

関数
システム上の無線LANインターフェイス一覧を列挙する。
DLLwlanapi.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

DWORD WlanEnumInterfaces(
    HANDLE hClientHandle,
    void* pReserved,   // optional
    WLAN_INTERFACE_INFO_LIST** ppInterfaceList
);

パラメーター

名前方向説明
hClientHandleHANDLEinWLANクライアントハンドル。
pReservedvoid*optional予約済み。NULLを指定する。
ppInterfaceListWLAN_INTERFACE_INFO_LIST**out無線インターフェイス一覧(WLAN_INTERFACE_INFO_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 WlanEnumInterfaces(
    HANDLE hClientHandle,
    void* pReserved,   // optional
    WLAN_INTERFACE_INFO_LIST** ppInterfaceList
);
[DllImport("wlanapi.dll", ExactSpelling = true)]
static extern uint WlanEnumInterfaces(
    IntPtr hClientHandle,   // HANDLE
    IntPtr pReserved,   // void* optional
    IntPtr ppInterfaceList   // WLAN_INTERFACE_INFO_LIST** out
);
<DllImport("wlanapi.dll", ExactSpelling:=True)>
Public Shared Function WlanEnumInterfaces(
    hClientHandle As IntPtr,   ' HANDLE
    pReserved As IntPtr,   ' void* optional
    ppInterfaceList As IntPtr   ' WLAN_INTERFACE_INFO_LIST** out
) As UInteger
End Function
' hClientHandle : HANDLE
' pReserved : void* optional
' ppInterfaceList : WLAN_INTERFACE_INFO_LIST** out
Declare PtrSafe Function WlanEnumInterfaces Lib "wlanapi" ( _
    ByVal hClientHandle As LongPtr, _
    ByVal pReserved As LongPtr, _
    ByVal ppInterfaceList 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

WlanEnumInterfaces = ctypes.windll.wlanapi.WlanEnumInterfaces
WlanEnumInterfaces.restype = wintypes.DWORD
WlanEnumInterfaces.argtypes = [
    wintypes.HANDLE,  # hClientHandle : HANDLE
    ctypes.POINTER(None),  # pReserved : void* optional
    ctypes.c_void_p,  # ppInterfaceList : WLAN_INTERFACE_INFO_LIST** out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('wlanapi.dll')
WlanEnumInterfaces = Fiddle::Function.new(
  lib['WlanEnumInterfaces'],
  [
    Fiddle::TYPE_VOIDP,  # hClientHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # pReserved : void* optional
    Fiddle::TYPE_VOIDP,  # ppInterfaceList : WLAN_INTERFACE_INFO_LIST** out
  ],
  -Fiddle::TYPE_INT)
#[link(name = "wlanapi")]
extern "system" {
    fn WlanEnumInterfaces(
        hClientHandle: *mut core::ffi::c_void,  // HANDLE
        pReserved: *mut (),  // void* optional
        ppInterfaceList: *mut *mut WLAN_INTERFACE_INFO_LIST  // WLAN_INTERFACE_INFO_LIST** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("wlanapi.dll")]
public static extern uint WlanEnumInterfaces(IntPtr hClientHandle, IntPtr pReserved, IntPtr ppInterfaceList);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wlanapi_WlanEnumInterfaces' -Namespace Win32 -PassThru
# $api::WlanEnumInterfaces(hClientHandle, pReserved, ppInterfaceList)
#uselib "wlanapi.dll"
#func global WlanEnumInterfaces "WlanEnumInterfaces" sptr, sptr, sptr
; WlanEnumInterfaces hClientHandle, pReserved, varptr(ppInterfaceList)   ; 戻り値は stat
; hClientHandle : HANDLE -> "sptr"
; pReserved : void* optional -> "sptr"
; ppInterfaceList : WLAN_INTERFACE_INFO_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 WlanEnumInterfaces "WlanEnumInterfaces" sptr, sptr, var
; res = WlanEnumInterfaces(hClientHandle, pReserved, ppInterfaceList)
; hClientHandle : HANDLE -> "sptr"
; pReserved : void* optional -> "sptr"
; ppInterfaceList : WLAN_INTERFACE_INFO_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。
出力引数:
; DWORD WlanEnumInterfaces(HANDLE hClientHandle, void* pReserved, WLAN_INTERFACE_INFO_LIST** ppInterfaceList)
#uselib "wlanapi.dll"
#cfunc global WlanEnumInterfaces "WlanEnumInterfaces" intptr, intptr, var
; res = WlanEnumInterfaces(hClientHandle, pReserved, ppInterfaceList)
; hClientHandle : HANDLE -> "intptr"
; pReserved : void* optional -> "intptr"
; ppInterfaceList : WLAN_INTERFACE_INFO_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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	wlanapi = windows.NewLazySystemDLL("wlanapi.dll")
	procWlanEnumInterfaces = wlanapi.NewProc("WlanEnumInterfaces")
)

// hClientHandle (HANDLE), pReserved (void* optional), ppInterfaceList (WLAN_INTERFACE_INFO_LIST** out)
r1, _, err := procWlanEnumInterfaces.Call(
	uintptr(hClientHandle),
	uintptr(pReserved),
	uintptr(ppInterfaceList),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function WlanEnumInterfaces(
  hClientHandle: THandle;   // HANDLE
  pReserved: Pointer;   // void* optional
  ppInterfaceList: Pointer   // WLAN_INTERFACE_INFO_LIST** out
): DWORD; stdcall;
  external 'wlanapi.dll' name 'WlanEnumInterfaces';
result := DllCall("wlanapi\WlanEnumInterfaces"
    , "Ptr", hClientHandle   ; HANDLE
    , "Ptr", pReserved   ; void* optional
    , "Ptr", ppInterfaceList   ; WLAN_INTERFACE_INFO_LIST** out
    , "UInt")   ; return: DWORD
●WlanEnumInterfaces(hClientHandle, pReserved, ppInterfaceList) = DLL("wlanapi.dll", "dword WlanEnumInterfaces(void*, void*, void*)")
# 呼び出し: WlanEnumInterfaces(hClientHandle, pReserved, ppInterfaceList)
# hClientHandle : HANDLE -> "void*"
# pReserved : void* optional -> "void*"
# ppInterfaceList : WLAN_INTERFACE_INFO_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 WlanEnumInterfaces(
    hClientHandle: ?*anyopaque, // HANDLE
    pReserved: ?*anyopaque, // void* optional
    ppInterfaceList: [*c][*c]WLAN_INTERFACE_INFO_LIST // WLAN_INTERFACE_INFO_LIST** out
) callconv(std.os.windows.WINAPI) u32;
proc WlanEnumInterfaces(
    hClientHandle: pointer,  # HANDLE
    pReserved: pointer,  # void* optional
    ppInterfaceList: ptr WLAN_INTERFACE_INFO_LIST  # WLAN_INTERFACE_INFO_LIST** out
): uint32 {.importc: "WlanEnumInterfaces", stdcall, dynlib: "wlanapi.dll".}
pragma(lib, "wlanapi");
extern(Windows)
uint WlanEnumInterfaces(
    void* hClientHandle,   // HANDLE
    void* pReserved,   // void* optional
    WLAN_INTERFACE_INFO_LIST** ppInterfaceList   // WLAN_INTERFACE_INFO_LIST** out
);
ccall((:WlanEnumInterfaces, "wlanapi.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{Cvoid}, Ptr{WLAN_INTERFACE_INFO_LIST}),
      hClientHandle, pReserved, ppInterfaceList)
# hClientHandle : HANDLE -> Ptr{Cvoid}
# pReserved : void* optional -> Ptr{Cvoid}
# ppInterfaceList : WLAN_INTERFACE_INFO_LIST** out -> Ptr{WLAN_INTERFACE_INFO_LIST}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
uint32_t WlanEnumInterfaces(
    void* hClientHandle,
    void* pReserved,
    void* ppInterfaceList);
]]
local wlanapi = ffi.load("wlanapi")
-- wlanapi.WlanEnumInterfaces(hClientHandle, pReserved, ppInterfaceList)
-- hClientHandle : HANDLE
-- pReserved : void* optional
-- ppInterfaceList : WLAN_INTERFACE_INFO_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 WlanEnumInterfaces = lib.func('__stdcall', 'WlanEnumInterfaces', 'uint32_t', ['void *', 'void *', 'void *']);
// WlanEnumInterfaces(hClientHandle, pReserved, ppInterfaceList)
// hClientHandle : HANDLE -> 'void *'
// pReserved : void* optional -> 'void *'
// ppInterfaceList : WLAN_INTERFACE_INFO_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", {
  WlanEnumInterfaces: { parameters: ["pointer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.WlanEnumInterfaces(hClientHandle, pReserved, ppInterfaceList)
// hClientHandle : HANDLE -> "pointer"
// pReserved : void* optional -> "pointer"
// ppInterfaceList : WLAN_INTERFACE_INFO_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 WlanEnumInterfaces(
    void* hClientHandle,
    void* pReserved,
    void* ppInterfaceList);
C, "wlanapi.dll");
// $ffi->WlanEnumInterfaces(hClientHandle, pReserved, ppInterfaceList);
// hClientHandle : HANDLE
// pReserved : void* optional
// ppInterfaceList : WLAN_INTERFACE_INFO_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 WlanEnumInterfaces(
        Pointer hClientHandle,   // HANDLE
        Pointer pReserved,   // void* optional
        Pointer ppInterfaceList   // WLAN_INTERFACE_INFO_LIST** out
    );
}
@[Link("wlanapi")]
lib Libwlanapi
  fun WlanEnumInterfaces = WlanEnumInterfaces(
    hClientHandle : Void*,   # HANDLE
    pReserved : Void*,   # void* optional
    ppInterfaceList : WLAN_INTERFACE_INFO_LIST**   # WLAN_INTERFACE_INFO_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 WlanEnumInterfacesNative = Uint32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef WlanEnumInterfacesDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>);
final WlanEnumInterfaces = DynamicLibrary.open('wlanapi.dll')
    .lookupFunction<WlanEnumInterfacesNative, WlanEnumInterfacesDart>('WlanEnumInterfaces');
// hClientHandle : HANDLE -> Pointer<Void>
// pReserved : void* optional -> Pointer<Void>
// ppInterfaceList : WLAN_INTERFACE_INFO_LIST** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function WlanEnumInterfaces(
  hClientHandle: THandle;   // HANDLE
  pReserved: Pointer;   // void* optional
  ppInterfaceList: Pointer   // WLAN_INTERFACE_INFO_LIST** out
): DWORD; stdcall;
  external 'wlanapi.dll' name 'WlanEnumInterfaces';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "WlanEnumInterfaces"
  c_WlanEnumInterfaces :: Ptr () -> Ptr () -> Ptr () -> IO Word32
-- hClientHandle : HANDLE -> Ptr ()
-- pReserved : void* optional -> Ptr ()
-- ppInterfaceList : WLAN_INTERFACE_INFO_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 wlanenuminterfaces =
  foreign "WlanEnumInterfaces"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> returning uint32_t)
(* hClientHandle : HANDLE -> (ptr void) *)
(* pReserved : void* optional -> (ptr void) *)
(* ppInterfaceList : WLAN_INTERFACE_INFO_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 ("WlanEnumInterfaces" wlan-enum-interfaces :convention :stdcall) :uint32
  (h-client-handle :pointer)   ; HANDLE
  (p-reserved :pointer)   ; void* optional
  (pp-interface-list :pointer))   ; WLAN_INTERFACE_INFO_LIST** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $WlanEnumInterfaces = Win32::API::More->new('wlanapi',
    'DWORD WlanEnumInterfaces(HANDLE hClientHandle, LPVOID pReserved, LPVOID ppInterfaceList)');
# my $ret = $WlanEnumInterfaces->Call($hClientHandle, $pReserved, $ppInterfaceList);
# hClientHandle : HANDLE -> HANDLE
# pReserved : void* optional -> LPVOID
# ppInterfaceList : WLAN_INTERFACE_INFO_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。

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