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WlanQueryInterface

関数

指定した無線LANインターフェイスのパラメーターを問い合わせる。

DLLwlanapi.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

DWORD WlanQueryInterface(
    HANDLE hClientHandle,
    const GUID* pInterfaceGuid,
    WLAN_INTF_OPCODE OpCode,
    void* pReserved,   // optional
    DWORD* pdwDataSize,
    void** ppData,
    WLAN_OPCODE_VALUE_TYPE* pWlanOpcodeValueType   // optional
);

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を識別するGUIDポインタ。
OpCode	WLAN_INTF_OPCODE	in	問い合わせるインターフェイスパラメータの種別(WLAN_INTF_OPCODE)。
pReserved	void*	optional	予約済み。NULLを指定する。
pdwDataSize	DWORD*	out	返されたデータのサイズ(バイト数)を受け取るDWORDポインタ。
ppData	void**	out	取得した値のバッファを受け取る出力先。WlanFreeMemoryで解放。
pWlanOpcodeValueType	WLAN_OPCODE_VALUE_TYPE*	outoptional	値の由来種別(WLAN_OPCODE_VALUE_TYPE)を受け取る出力先。NULL可。

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD WlanQueryInterface(
    HANDLE hClientHandle,
    const GUID* pInterfaceGuid,
    WLAN_INTF_OPCODE OpCode,
    void* pReserved,   // optional
    DWORD* pdwDataSize,
    void** ppData,
    WLAN_OPCODE_VALUE_TYPE* pWlanOpcodeValueType   // optional
);

[DllImport("wlanapi.dll", ExactSpelling = true)]
static extern uint WlanQueryInterface(
    IntPtr hClientHandle,   // HANDLE
    ref Guid pInterfaceGuid,   // GUID*
    int OpCode,   // WLAN_INTF_OPCODE
    IntPtr pReserved,   // void* optional
    out uint pdwDataSize,   // DWORD* out
    IntPtr ppData,   // void** out
    IntPtr pWlanOpcodeValueType   // WLAN_OPCODE_VALUE_TYPE* optional, out
);

<DllImport("wlanapi.dll", ExactSpelling:=True)>
Public Shared Function WlanQueryInterface(
    hClientHandle As IntPtr,   ' HANDLE
    ByRef pInterfaceGuid As Guid,   ' GUID*
    OpCode As Integer,   ' WLAN_INTF_OPCODE
    pReserved As IntPtr,   ' void* optional
    <Out> ByRef pdwDataSize As UInteger,   ' DWORD* out
    ppData As IntPtr,   ' void** out
    pWlanOpcodeValueType As IntPtr   ' WLAN_OPCODE_VALUE_TYPE* optional, out
) As UInteger
End Function

' hClientHandle : HANDLE
' pInterfaceGuid : GUID*
' OpCode : WLAN_INTF_OPCODE
' pReserved : void* optional
' pdwDataSize : DWORD* out
' ppData : void** out
' pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out
Declare PtrSafe Function WlanQueryInterface Lib "wlanapi" ( _
    ByVal hClientHandle As LongPtr, _
    ByVal pInterfaceGuid As LongPtr, _
    ByVal OpCode As Long, _
    ByVal pReserved As LongPtr, _
    ByRef pdwDataSize As Long, _
    ByVal ppData As LongPtr, _
    ByVal pWlanOpcodeValueType 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

WlanQueryInterface = ctypes.windll.wlanapi.WlanQueryInterface
WlanQueryInterface.restype = wintypes.DWORD
WlanQueryInterface.argtypes = [
    wintypes.HANDLE,  # hClientHandle : HANDLE
    ctypes.c_void_p,  # pInterfaceGuid : GUID*
    ctypes.c_int,  # OpCode : WLAN_INTF_OPCODE
    ctypes.POINTER(None),  # pReserved : void* optional
    ctypes.POINTER(wintypes.DWORD),  # pdwDataSize : DWORD* out
    ctypes.c_void_p,  # ppData : void** out
    ctypes.c_void_p,  # pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('wlanapi.dll')
WlanQueryInterface = Fiddle::Function.new(
  lib['WlanQueryInterface'],
  [
    Fiddle::TYPE_VOIDP,  # hClientHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # pInterfaceGuid : GUID*
    Fiddle::TYPE_INT,  # OpCode : WLAN_INTF_OPCODE
    Fiddle::TYPE_VOIDP,  # pReserved : void* optional
    Fiddle::TYPE_VOIDP,  # pdwDataSize : DWORD* out
    Fiddle::TYPE_VOIDP,  # ppData : void** out
    Fiddle::TYPE_VOIDP,  # pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wlanapi")]
extern "system" {
    fn WlanQueryInterface(
        hClientHandle: *mut core::ffi::c_void,  // HANDLE
        pInterfaceGuid: *const GUID,  // GUID*
        OpCode: i32,  // WLAN_INTF_OPCODE
        pReserved: *mut (),  // void* optional
        pdwDataSize: *mut u32,  // DWORD* out
        ppData: *mut *mut (),  // void** out
        pWlanOpcodeValueType: *mut i32  // WLAN_OPCODE_VALUE_TYPE* optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("wlanapi.dll")]
public static extern uint WlanQueryInterface(IntPtr hClientHandle, ref Guid pInterfaceGuid, int OpCode, IntPtr pReserved, out uint pdwDataSize, IntPtr ppData, IntPtr pWlanOpcodeValueType);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wlanapi_WlanQueryInterface' -Namespace Win32 -PassThru
# $api::WlanQueryInterface(hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType)

#uselib "wlanapi.dll"
#func global WlanQueryInterface "WlanQueryInterface" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; WlanQueryInterface hClientHandle, varptr(pInterfaceGuid), OpCode, pReserved, varptr(pdwDataSize), ppData, varptr(pWlanOpcodeValueType)   ; 戻り値は stat
; hClientHandle : HANDLE -> "sptr"
; pInterfaceGuid : GUID* -> "sptr"
; OpCode : WLAN_INTF_OPCODE -> "sptr"
; pReserved : void* optional -> "sptr"
; pdwDataSize : DWORD* out -> "sptr"
; ppData : void** out -> "sptr"
; pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* 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 "wlanapi.dll"
#cfunc global WlanQueryInterface "WlanQueryInterface" sptr, var, int, sptr, var, sptr, var
; res = WlanQueryInterface(hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType)
; hClientHandle : HANDLE -> "sptr"
; pInterfaceGuid : GUID* -> "var"
; OpCode : WLAN_INTF_OPCODE -> "int"
; pReserved : void* optional -> "sptr"
; pdwDataSize : DWORD* out -> "var"
; ppData : void** out -> "sptr"
; pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* 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 "wlanapi.dll"
#cfunc global WlanQueryInterface "WlanQueryInterface" sptr, sptr, int, sptr, sptr, sptr, sptr
; res = WlanQueryInterface(hClientHandle, varptr(pInterfaceGuid), OpCode, pReserved, varptr(pdwDataSize), ppData, varptr(pWlanOpcodeValueType))
; hClientHandle : HANDLE -> "sptr"
; pInterfaceGuid : GUID* -> "sptr"
; OpCode : WLAN_INTF_OPCODE -> "int"
; pReserved : void* optional -> "sptr"
; pdwDataSize : DWORD* out -> "sptr"
; ppData : void** out -> "sptr"
; pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* 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:

; DWORD WlanQueryInterface(HANDLE hClientHandle, GUID* pInterfaceGuid, WLAN_INTF_OPCODE OpCode, void* pReserved, DWORD* pdwDataSize, void** ppData, WLAN_OPCODE_VALUE_TYPE* pWlanOpcodeValueType)
#uselib "wlanapi.dll"
#cfunc global WlanQueryInterface "WlanQueryInterface" intptr, var, int, intptr, var, intptr, var
; res = WlanQueryInterface(hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType)
; hClientHandle : HANDLE -> "intptr"
; pInterfaceGuid : GUID* -> "var"
; OpCode : WLAN_INTF_OPCODE -> "int"
; pReserved : void* optional -> "intptr"
; pdwDataSize : DWORD* out -> "var"
; ppData : void** out -> "intptr"
; pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* 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。; DWORD WlanQueryInterface(HANDLE hClientHandle, GUID* pInterfaceGuid, WLAN_INTF_OPCODE OpCode, void* pReserved, DWORD* pdwDataSize, void** ppData, WLAN_OPCODE_VALUE_TYPE* pWlanOpcodeValueType)
#uselib "wlanapi.dll"
#cfunc global WlanQueryInterface "WlanQueryInterface" intptr, intptr, int, intptr, intptr, intptr, intptr
; res = WlanQueryInterface(hClientHandle, varptr(pInterfaceGuid), OpCode, pReserved, varptr(pdwDataSize), ppData, varptr(pWlanOpcodeValueType))
; hClientHandle : HANDLE -> "intptr"
; pInterfaceGuid : GUID* -> "intptr"
; OpCode : WLAN_INTF_OPCODE -> "int"
; pReserved : void* optional -> "intptr"
; pdwDataSize : DWORD* out -> "intptr"
; ppData : void** out -> "intptr"
; pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* 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 (
	wlanapi = windows.NewLazySystemDLL("wlanapi.dll")
	procWlanQueryInterface = wlanapi.NewProc("WlanQueryInterface")
)

// hClientHandle (HANDLE), pInterfaceGuid (GUID*), OpCode (WLAN_INTF_OPCODE), pReserved (void* optional), pdwDataSize (DWORD* out), ppData (void** out), pWlanOpcodeValueType (WLAN_OPCODE_VALUE_TYPE* optional, out)
r1, _, err := procWlanQueryInterface.Call(
	uintptr(hClientHandle),
	uintptr(pInterfaceGuid),
	uintptr(OpCode),
	uintptr(pReserved),
	uintptr(pdwDataSize),
	uintptr(ppData),
	uintptr(pWlanOpcodeValueType),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function WlanQueryInterface(
  hClientHandle: THandle;   // HANDLE
  pInterfaceGuid: PGUID;   // GUID*
  OpCode: Integer;   // WLAN_INTF_OPCODE
  pReserved: Pointer;   // void* optional
  pdwDataSize: Pointer;   // DWORD* out
  ppData: Pointer;   // void** out
  pWlanOpcodeValueType: Pointer   // WLAN_OPCODE_VALUE_TYPE* optional, out
): DWORD; stdcall;
  external 'wlanapi.dll' name 'WlanQueryInterface';

result := DllCall("wlanapi\WlanQueryInterface"
    , "Ptr", hClientHandle   ; HANDLE
    , "Ptr", pInterfaceGuid   ; GUID*
    , "Int", OpCode   ; WLAN_INTF_OPCODE
    , "Ptr", pReserved   ; void* optional
    , "Ptr", pdwDataSize   ; DWORD* out
    , "Ptr", ppData   ; void** out
    , "Ptr", pWlanOpcodeValueType   ; WLAN_OPCODE_VALUE_TYPE* optional, out
    , "UInt")   ; return: DWORD

●WlanQueryInterface(hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType) = DLL("wlanapi.dll", "dword WlanQueryInterface(void*, void*, int, void*, void*, void*, void*)")
# 呼び出し: WlanQueryInterface(hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType)
# hClientHandle : HANDLE -> "void*"
# pInterfaceGuid : GUID* -> "void*"
# OpCode : WLAN_INTF_OPCODE -> "int"
# pReserved : void* optional -> "void*"
# pdwDataSize : DWORD* out -> "void*"
# ppData : void** out -> "void*"
# pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* 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 "wlanapi" fn WlanQueryInterface(
    hClientHandle: ?*anyopaque, // HANDLE
    pInterfaceGuid: [*c]GUID, // GUID*
    OpCode: i32, // WLAN_INTF_OPCODE
    pReserved: ?*anyopaque, // void* optional
    pdwDataSize: [*c]u32, // DWORD* out
    ppData: ?*anyopaque, // void** out
    pWlanOpcodeValueType: [*c]i32 // WLAN_OPCODE_VALUE_TYPE* optional, out
) callconv(std.os.windows.WINAPI) u32;

proc WlanQueryInterface(
    hClientHandle: pointer,  # HANDLE
    pInterfaceGuid: ptr GUID,  # GUID*
    OpCode: int32,  # WLAN_INTF_OPCODE
    pReserved: pointer,  # void* optional
    pdwDataSize: ptr uint32,  # DWORD* out
    ppData: pointer,  # void** out
    pWlanOpcodeValueType: ptr int32  # WLAN_OPCODE_VALUE_TYPE* optional, out
): uint32 {.importc: "WlanQueryInterface", stdcall, dynlib: "wlanapi.dll".}

pragma(lib, "wlanapi");
extern(Windows)
uint WlanQueryInterface(
    void* hClientHandle,   // HANDLE
    GUID* pInterfaceGuid,   // GUID*
    int OpCode,   // WLAN_INTF_OPCODE
    void* pReserved,   // void* optional
    uint* pdwDataSize,   // DWORD* out
    void** ppData,   // void** out
    int* pWlanOpcodeValueType   // WLAN_OPCODE_VALUE_TYPE* optional, out
);

ccall((:WlanQueryInterface, "wlanapi.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{GUID}, Int32, Ptr{Cvoid}, Ptr{UInt32}, Ptr{Cvoid}, Ptr{Int32}),
      hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType)
# hClientHandle : HANDLE -> Ptr{Cvoid}
# pInterfaceGuid : GUID* -> Ptr{GUID}
# OpCode : WLAN_INTF_OPCODE -> Int32
# pReserved : void* optional -> Ptr{Cvoid}
# pdwDataSize : DWORD* out -> Ptr{UInt32}
# ppData : void** out -> Ptr{Cvoid}
# pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out -> Ptr{Int32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t WlanQueryInterface(
    void* hClientHandle,
    void* pInterfaceGuid,
    int32_t OpCode,
    void* pReserved,
    uint32_t* pdwDataSize,
    void** ppData,
    int32_t* pWlanOpcodeValueType);
]]
local wlanapi = ffi.load("wlanapi")
-- wlanapi.WlanQueryInterface(hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType)
-- hClientHandle : HANDLE
-- pInterfaceGuid : GUID*
-- OpCode : WLAN_INTF_OPCODE
-- pReserved : void* optional
-- pdwDataSize : DWORD* out
-- ppData : void** out
-- pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* 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('wlanapi.dll');
const WlanQueryInterface = lib.func('__stdcall', 'WlanQueryInterface', 'uint32_t', ['void *', 'void *', 'int32_t', 'void *', 'uint32_t *', 'void *', 'int32_t *']);
// WlanQueryInterface(hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType)
// hClientHandle : HANDLE -> 'void *'
// pInterfaceGuid : GUID* -> 'void *'
// OpCode : WLAN_INTF_OPCODE -> 'int32_t'
// pReserved : void* optional -> 'void *'
// pdwDataSize : DWORD* out -> 'uint32_t *'
// ppData : void** out -> 'void *'
// pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out -> 'int32_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("wlanapi.dll", {
  WlanQueryInterface: { parameters: ["pointer", "pointer", "i32", "pointer", "pointer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.WlanQueryInterface(hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType)
// hClientHandle : HANDLE -> "pointer"
// pInterfaceGuid : GUID* -> "pointer"
// OpCode : WLAN_INTF_OPCODE -> "i32"
// pReserved : void* optional -> "pointer"
// pdwDataSize : DWORD* out -> "pointer"
// ppData : void** out -> "pointer"
// pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* 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
uint32_t WlanQueryInterface(
    void* hClientHandle,
    void* pInterfaceGuid,
    int32_t OpCode,
    void* pReserved,
    uint32_t* pdwDataSize,
    void** ppData,
    int32_t* pWlanOpcodeValueType);
C, "wlanapi.dll");
// $ffi->WlanQueryInterface(hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType);
// hClientHandle : HANDLE
// pInterfaceGuid : GUID*
// OpCode : WLAN_INTF_OPCODE
// pReserved : void* optional
// pdwDataSize : DWORD* out
// ppData : void** out
// pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* 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 Wlanapi extends StdCallLibrary {
    Wlanapi INSTANCE = Native.load("wlanapi", Wlanapi.class);
    int WlanQueryInterface(
        Pointer hClientHandle,   // HANDLE
        Pointer pInterfaceGuid,   // GUID*
        int OpCode,   // WLAN_INTF_OPCODE
        Pointer pReserved,   // void* optional
        IntByReference pdwDataSize,   // DWORD* out
        Pointer ppData,   // void** out
        IntByReference pWlanOpcodeValueType   // WLAN_OPCODE_VALUE_TYPE* optional, out
    );
}

@[Link("wlanapi")]
lib Libwlanapi
  fun WlanQueryInterface = WlanQueryInterface(
    hClientHandle : Void*,   # HANDLE
    pInterfaceGuid : GUID*,   # GUID*
    OpCode : Int32,   # WLAN_INTF_OPCODE
    pReserved : Void*,   # void* optional
    pdwDataSize : UInt32*,   # DWORD* out
    ppData : Void**,   # void** out
    pWlanOpcodeValueType : Int32*   # WLAN_OPCODE_VALUE_TYPE* optional, 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 WlanQueryInterfaceNative = Uint32 Function(Pointer<Void>, Pointer<Void>, Int32, Pointer<Void>, Pointer<Uint32>, Pointer<Void>, Pointer<Int32>);
typedef WlanQueryInterfaceDart = int Function(Pointer<Void>, Pointer<Void>, int, Pointer<Void>, Pointer<Uint32>, Pointer<Void>, Pointer<Int32>);
final WlanQueryInterface = DynamicLibrary.open('wlanapi.dll')
    .lookupFunction<WlanQueryInterfaceNative, WlanQueryInterfaceDart>('WlanQueryInterface');
// hClientHandle : HANDLE -> Pointer<Void>
// pInterfaceGuid : GUID* -> Pointer<Void>
// OpCode : WLAN_INTF_OPCODE -> Int32
// pReserved : void* optional -> Pointer<Void>
// pdwDataSize : DWORD* out -> Pointer<Uint32>
// ppData : void** out -> Pointer<Void>
// pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WlanQueryInterface(
  hClientHandle: THandle;   // HANDLE
  pInterfaceGuid: PGUID;   // GUID*
  OpCode: Integer;   // WLAN_INTF_OPCODE
  pReserved: Pointer;   // void* optional
  pdwDataSize: Pointer;   // DWORD* out
  ppData: Pointer;   // void** out
  pWlanOpcodeValueType: Pointer   // WLAN_OPCODE_VALUE_TYPE* optional, out
): DWORD; stdcall;
  external 'wlanapi.dll' name 'WlanQueryInterface';

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

foreign import stdcall safe "WlanQueryInterface"
  c_WlanQueryInterface :: Ptr () -> Ptr () -> Int32 -> Ptr () -> Ptr Word32 -> Ptr () -> Ptr Int32 -> IO Word32
-- hClientHandle : HANDLE -> Ptr ()
-- pInterfaceGuid : GUID* -> Ptr ()
-- OpCode : WLAN_INTF_OPCODE -> Int32
-- pReserved : void* optional -> Ptr ()
-- pdwDataSize : DWORD* out -> Ptr Word32
-- ppData : void** out -> Ptr ()
-- pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out -> Ptr Int32
-- 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 wlanqueryinterface =
  foreign "WlanQueryInterface"
    ((ptr void) @-> (ptr void) @-> int32_t @-> (ptr void) @-> (ptr uint32_t) @-> (ptr void) @-> (ptr int32_t) @-> returning uint32_t)
(* hClientHandle : HANDLE -> (ptr void) *)
(* pInterfaceGuid : GUID* -> (ptr void) *)
(* OpCode : WLAN_INTF_OPCODE -> int32_t *)
(* pReserved : void* optional -> (ptr void) *)
(* pdwDataSize : DWORD* out -> (ptr uint32_t) *)
(* ppData : void** out -> (ptr void) *)
(* pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out -> (ptr int32_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 wlanapi (t "wlanapi.dll"))
(cffi:use-foreign-library wlanapi)

(cffi:defcfun ("WlanQueryInterface" wlan-query-interface :convention :stdcall) :uint32
  (h-client-handle :pointer)   ; HANDLE
  (p-interface-guid :pointer)   ; GUID*
  (op-code :int32)   ; WLAN_INTF_OPCODE
  (p-reserved :pointer)   ; void* optional
  (pdw-data-size :pointer)   ; DWORD* out
  (pp-data :pointer)   ; void** out
  (p-wlan-opcode-value-type :pointer))   ; WLAN_OPCODE_VALUE_TYPE* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WlanQueryInterface = Win32::API::More->new('wlanapi',
    'DWORD WlanQueryInterface(HANDLE hClientHandle, LPVOID pInterfaceGuid, int OpCode, LPVOID pReserved, LPVOID pdwDataSize, LPVOID ppData, LPVOID pWlanOpcodeValueType)');
# my $ret = $WlanQueryInterface->Call($hClientHandle, $pInterfaceGuid, $OpCode, $pReserved, $pdwDataSize, $ppData, $pWlanOpcodeValueType);
# hClientHandle : HANDLE -> HANDLE
# pInterfaceGuid : GUID* -> LPVOID
# OpCode : WLAN_INTF_OPCODE -> int
# pReserved : void* optional -> LPVOID
# pdwDataSize : DWORD* out -> LPVOID
# ppData : void** out -> LPVOID
# pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* 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。

WlanQueryInterface

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