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WlanIhvControl

関数

IHV独自のWLAN制御コマンドをドライバーへ発行する。

DLLwlanapi.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

DWORD WlanIhvControl(
    HANDLE hClientHandle,
    const GUID* pInterfaceGuid,
    WLAN_IHV_CONTROL_TYPE Type,
    DWORD dwInBufferSize,
    void* pInBuffer,
    DWORD dwOutBufferSize,
    void* pOutBuffer,   // optional
    DWORD* pdwBytesReturned
);

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。
Type	WLAN_IHV_CONTROL_TYPE	in	IHV制御要求の種別(WLAN_IHV_CONTROL_TYPE)。ドライバ/サービス向けを区別する。
dwInBufferSize	DWORD	in	入力バッファのサイズ(バイト数)。
pInBuffer	void*	in	IHVへ渡す入力データバッファ。不要ならNULL可。
dwOutBufferSize	DWORD	in	出力バッファのサイズ(バイト数)。
pOutBuffer	void*	inoutoptional	IHVからの出力を受け取るバッファ。不要ならNULL可。
pdwBytesReturned	DWORD*	out	出力バッファに書き込まれた実バイト数を受け取るDWORDポインタ。

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD WlanIhvControl(
    HANDLE hClientHandle,
    const GUID* pInterfaceGuid,
    WLAN_IHV_CONTROL_TYPE Type,
    DWORD dwInBufferSize,
    void* pInBuffer,
    DWORD dwOutBufferSize,
    void* pOutBuffer,   // optional
    DWORD* pdwBytesReturned
);

[DllImport("wlanapi.dll", ExactSpelling = true)]
static extern uint WlanIhvControl(
    IntPtr hClientHandle,   // HANDLE
    ref Guid pInterfaceGuid,   // GUID*
    int Type,   // WLAN_IHV_CONTROL_TYPE
    uint dwInBufferSize,   // DWORD
    IntPtr pInBuffer,   // void*
    uint dwOutBufferSize,   // DWORD
    IntPtr pOutBuffer,   // void* optional, in/out
    out uint pdwBytesReturned   // DWORD* out
);

<DllImport("wlanapi.dll", ExactSpelling:=True)>
Public Shared Function WlanIhvControl(
    hClientHandle As IntPtr,   ' HANDLE
    ByRef pInterfaceGuid As Guid,   ' GUID*
    Type As Integer,   ' WLAN_IHV_CONTROL_TYPE
    dwInBufferSize As UInteger,   ' DWORD
    pInBuffer As IntPtr,   ' void*
    dwOutBufferSize As UInteger,   ' DWORD
    pOutBuffer As IntPtr,   ' void* optional, in/out
    <Out> ByRef pdwBytesReturned As UInteger   ' DWORD* out
) As UInteger
End Function

' hClientHandle : HANDLE
' pInterfaceGuid : GUID*
' Type : WLAN_IHV_CONTROL_TYPE
' dwInBufferSize : DWORD
' pInBuffer : void*
' dwOutBufferSize : DWORD
' pOutBuffer : void* optional, in/out
' pdwBytesReturned : DWORD* out
Declare PtrSafe Function WlanIhvControl Lib "wlanapi" ( _
    ByVal hClientHandle As LongPtr, _
    ByVal pInterfaceGuid As LongPtr, _
    ByVal Type As Long, _
    ByVal dwInBufferSize As Long, _
    ByVal pInBuffer As LongPtr, _
    ByVal dwOutBufferSize As Long, _
    ByVal pOutBuffer As LongPtr, _
    ByRef pdwBytesReturned As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WlanIhvControl = ctypes.windll.wlanapi.WlanIhvControl
WlanIhvControl.restype = wintypes.DWORD
WlanIhvControl.argtypes = [
    wintypes.HANDLE,  # hClientHandle : HANDLE
    ctypes.c_void_p,  # pInterfaceGuid : GUID*
    ctypes.c_int,  # Type : WLAN_IHV_CONTROL_TYPE
    wintypes.DWORD,  # dwInBufferSize : DWORD
    ctypes.POINTER(None),  # pInBuffer : void*
    wintypes.DWORD,  # dwOutBufferSize : DWORD
    ctypes.POINTER(None),  # pOutBuffer : void* optional, in/out
    ctypes.POINTER(wintypes.DWORD),  # pdwBytesReturned : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('wlanapi.dll')
WlanIhvControl = Fiddle::Function.new(
  lib['WlanIhvControl'],
  [
    Fiddle::TYPE_VOIDP,  # hClientHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # pInterfaceGuid : GUID*
    Fiddle::TYPE_INT,  # Type : WLAN_IHV_CONTROL_TYPE
    -Fiddle::TYPE_INT,  # dwInBufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # pInBuffer : void*
    -Fiddle::TYPE_INT,  # dwOutBufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # pOutBuffer : void* optional, in/out
    Fiddle::TYPE_VOIDP,  # pdwBytesReturned : DWORD* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wlanapi")]
extern "system" {
    fn WlanIhvControl(
        hClientHandle: *mut core::ffi::c_void,  // HANDLE
        pInterfaceGuid: *const GUID,  // GUID*
        Type: i32,  // WLAN_IHV_CONTROL_TYPE
        dwInBufferSize: u32,  // DWORD
        pInBuffer: *mut (),  // void*
        dwOutBufferSize: u32,  // DWORD
        pOutBuffer: *mut (),  // void* optional, in/out
        pdwBytesReturned: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("wlanapi.dll")]
public static extern uint WlanIhvControl(IntPtr hClientHandle, ref Guid pInterfaceGuid, int Type, uint dwInBufferSize, IntPtr pInBuffer, uint dwOutBufferSize, IntPtr pOutBuffer, out uint pdwBytesReturned);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wlanapi_WlanIhvControl' -Namespace Win32 -PassThru
# $api::WlanIhvControl(hClientHandle, pInterfaceGuid, Type, dwInBufferSize, pInBuffer, dwOutBufferSize, pOutBuffer, pdwBytesReturned)

#uselib "wlanapi.dll"
#func global WlanIhvControl "WlanIhvControl" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; WlanIhvControl hClientHandle, varptr(pInterfaceGuid), Type, dwInBufferSize, pInBuffer, dwOutBufferSize, pOutBuffer, varptr(pdwBytesReturned)   ; 戻り値は stat
; hClientHandle : HANDLE -> "sptr"
; pInterfaceGuid : GUID* -> "sptr"
; Type : WLAN_IHV_CONTROL_TYPE -> "sptr"
; dwInBufferSize : DWORD -> "sptr"
; pInBuffer : void* -> "sptr"
; dwOutBufferSize : DWORD -> "sptr"
; pOutBuffer : void* optional, in/out -> "sptr"
; pdwBytesReturned : DWORD* 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 WlanIhvControl "WlanIhvControl" sptr, var, int, int, sptr, int, sptr, var
; res = WlanIhvControl(hClientHandle, pInterfaceGuid, Type, dwInBufferSize, pInBuffer, dwOutBufferSize, pOutBuffer, pdwBytesReturned)
; hClientHandle : HANDLE -> "sptr"
; pInterfaceGuid : GUID* -> "var"
; Type : WLAN_IHV_CONTROL_TYPE -> "int"
; dwInBufferSize : DWORD -> "int"
; pInBuffer : void* -> "sptr"
; dwOutBufferSize : DWORD -> "int"
; pOutBuffer : void* optional, in/out -> "sptr"
; pdwBytesReturned : DWORD* 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 WlanIhvControl "WlanIhvControl" sptr, sptr, int, int, sptr, int, sptr, sptr
; res = WlanIhvControl(hClientHandle, varptr(pInterfaceGuid), Type, dwInBufferSize, pInBuffer, dwOutBufferSize, pOutBuffer, varptr(pdwBytesReturned))
; hClientHandle : HANDLE -> "sptr"
; pInterfaceGuid : GUID* -> "sptr"
; Type : WLAN_IHV_CONTROL_TYPE -> "int"
; dwInBufferSize : DWORD -> "int"
; pInBuffer : void* -> "sptr"
; dwOutBufferSize : DWORD -> "int"
; pOutBuffer : void* optional, in/out -> "sptr"
; pdwBytesReturned : DWORD* 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 WlanIhvControl(HANDLE hClientHandle, GUID* pInterfaceGuid, WLAN_IHV_CONTROL_TYPE Type, DWORD dwInBufferSize, void* pInBuffer, DWORD dwOutBufferSize, void* pOutBuffer, DWORD* pdwBytesReturned)
#uselib "wlanapi.dll"
#cfunc global WlanIhvControl "WlanIhvControl" intptr, var, int, int, intptr, int, intptr, var
; res = WlanIhvControl(hClientHandle, pInterfaceGuid, Type, dwInBufferSize, pInBuffer, dwOutBufferSize, pOutBuffer, pdwBytesReturned)
; hClientHandle : HANDLE -> "intptr"
; pInterfaceGuid : GUID* -> "var"
; Type : WLAN_IHV_CONTROL_TYPE -> "int"
; dwInBufferSize : DWORD -> "int"
; pInBuffer : void* -> "intptr"
; dwOutBufferSize : DWORD -> "int"
; pOutBuffer : void* optional, in/out -> "intptr"
; pdwBytesReturned : DWORD* 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 WlanIhvControl(HANDLE hClientHandle, GUID* pInterfaceGuid, WLAN_IHV_CONTROL_TYPE Type, DWORD dwInBufferSize, void* pInBuffer, DWORD dwOutBufferSize, void* pOutBuffer, DWORD* pdwBytesReturned)
#uselib "wlanapi.dll"
#cfunc global WlanIhvControl "WlanIhvControl" intptr, intptr, int, int, intptr, int, intptr, intptr
; res = WlanIhvControl(hClientHandle, varptr(pInterfaceGuid), Type, dwInBufferSize, pInBuffer, dwOutBufferSize, pOutBuffer, varptr(pdwBytesReturned))
; hClientHandle : HANDLE -> "intptr"
; pInterfaceGuid : GUID* -> "intptr"
; Type : WLAN_IHV_CONTROL_TYPE -> "int"
; dwInBufferSize : DWORD -> "int"
; pInBuffer : void* -> "intptr"
; dwOutBufferSize : DWORD -> "int"
; pOutBuffer : void* optional, in/out -> "intptr"
; pdwBytesReturned : DWORD* 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")
	procWlanIhvControl = wlanapi.NewProc("WlanIhvControl")
)

// hClientHandle (HANDLE), pInterfaceGuid (GUID*), Type (WLAN_IHV_CONTROL_TYPE), dwInBufferSize (DWORD), pInBuffer (void*), dwOutBufferSize (DWORD), pOutBuffer (void* optional, in/out), pdwBytesReturned (DWORD* out)
r1, _, err := procWlanIhvControl.Call(
	uintptr(hClientHandle),
	uintptr(pInterfaceGuid),
	uintptr(Type),
	uintptr(dwInBufferSize),
	uintptr(pInBuffer),
	uintptr(dwOutBufferSize),
	uintptr(pOutBuffer),
	uintptr(pdwBytesReturned),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function WlanIhvControl(
  hClientHandle: THandle;   // HANDLE
  pInterfaceGuid: PGUID;   // GUID*
  Type: Integer;   // WLAN_IHV_CONTROL_TYPE
  dwInBufferSize: DWORD;   // DWORD
  pInBuffer: Pointer;   // void*
  dwOutBufferSize: DWORD;   // DWORD
  pOutBuffer: Pointer;   // void* optional, in/out
  pdwBytesReturned: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'wlanapi.dll' name 'WlanIhvControl';

result := DllCall("wlanapi\WlanIhvControl"
    , "Ptr", hClientHandle   ; HANDLE
    , "Ptr", pInterfaceGuid   ; GUID*
    , "Int", Type   ; WLAN_IHV_CONTROL_TYPE
    , "UInt", dwInBufferSize   ; DWORD
    , "Ptr", pInBuffer   ; void*
    , "UInt", dwOutBufferSize   ; DWORD
    , "Ptr", pOutBuffer   ; void* optional, in/out
    , "Ptr", pdwBytesReturned   ; DWORD* out
    , "UInt")   ; return: DWORD

●WlanIhvControl(hClientHandle, pInterfaceGuid, Type, dwInBufferSize, pInBuffer, dwOutBufferSize, pOutBuffer, pdwBytesReturned) = DLL("wlanapi.dll", "dword WlanIhvControl(void*, void*, int, dword, void*, dword, void*, void*)")
# 呼び出し: WlanIhvControl(hClientHandle, pInterfaceGuid, Type, dwInBufferSize, pInBuffer, dwOutBufferSize, pOutBuffer, pdwBytesReturned)
# hClientHandle : HANDLE -> "void*"
# pInterfaceGuid : GUID* -> "void*"
# Type : WLAN_IHV_CONTROL_TYPE -> "int"
# dwInBufferSize : DWORD -> "dword"
# pInBuffer : void* -> "void*"
# dwOutBufferSize : DWORD -> "dword"
# pOutBuffer : void* optional, in/out -> "void*"
# pdwBytesReturned : DWORD* 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 WlanIhvControl(
    hClientHandle: ?*anyopaque, // HANDLE
    pInterfaceGuid: [*c]GUID, // GUID*
    Type: i32, // WLAN_IHV_CONTROL_TYPE
    dwInBufferSize: u32, // DWORD
    pInBuffer: ?*anyopaque, // void*
    dwOutBufferSize: u32, // DWORD
    pOutBuffer: ?*anyopaque, // void* optional, in/out
    pdwBytesReturned: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) u32;

proc WlanIhvControl(
    hClientHandle: pointer,  # HANDLE
    pInterfaceGuid: ptr GUID,  # GUID*
    Type: int32,  # WLAN_IHV_CONTROL_TYPE
    dwInBufferSize: uint32,  # DWORD
    pInBuffer: pointer,  # void*
    dwOutBufferSize: uint32,  # DWORD
    pOutBuffer: pointer,  # void* optional, in/out
    pdwBytesReturned: ptr uint32  # DWORD* out
): uint32 {.importc: "WlanIhvControl", stdcall, dynlib: "wlanapi.dll".}

pragma(lib, "wlanapi");
extern(Windows)
uint WlanIhvControl(
    void* hClientHandle,   // HANDLE
    GUID* pInterfaceGuid,   // GUID*
    int Type,   // WLAN_IHV_CONTROL_TYPE
    uint dwInBufferSize,   // DWORD
    void* pInBuffer,   // void*
    uint dwOutBufferSize,   // DWORD
    void* pOutBuffer,   // void* optional, in/out
    uint* pdwBytesReturned   // DWORD* out
);

ccall((:WlanIhvControl, "wlanapi.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{GUID}, Int32, UInt32, Ptr{Cvoid}, UInt32, Ptr{Cvoid}, Ptr{UInt32}),
      hClientHandle, pInterfaceGuid, Type, dwInBufferSize, pInBuffer, dwOutBufferSize, pOutBuffer, pdwBytesReturned)
# hClientHandle : HANDLE -> Ptr{Cvoid}
# pInterfaceGuid : GUID* -> Ptr{GUID}
# Type : WLAN_IHV_CONTROL_TYPE -> Int32
# dwInBufferSize : DWORD -> UInt32
# pInBuffer : void* -> Ptr{Cvoid}
# dwOutBufferSize : DWORD -> UInt32
# pOutBuffer : void* optional, in/out -> Ptr{Cvoid}
# pdwBytesReturned : DWORD* out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t WlanIhvControl(
    void* hClientHandle,
    void* pInterfaceGuid,
    int32_t Type,
    uint32_t dwInBufferSize,
    void* pInBuffer,
    uint32_t dwOutBufferSize,
    void* pOutBuffer,
    uint32_t* pdwBytesReturned);
]]
local wlanapi = ffi.load("wlanapi")
-- wlanapi.WlanIhvControl(hClientHandle, pInterfaceGuid, Type, dwInBufferSize, pInBuffer, dwOutBufferSize, pOutBuffer, pdwBytesReturned)
-- hClientHandle : HANDLE
-- pInterfaceGuid : GUID*
-- Type : WLAN_IHV_CONTROL_TYPE
-- dwInBufferSize : DWORD
-- pInBuffer : void*
-- dwOutBufferSize : DWORD
-- pOutBuffer : void* optional, in/out
-- pdwBytesReturned : DWORD* 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 WlanIhvControl = lib.func('__stdcall', 'WlanIhvControl', 'uint32_t', ['void *', 'void *', 'int32_t', 'uint32_t', 'void *', 'uint32_t', 'void *', 'uint32_t *']);
// WlanIhvControl(hClientHandle, pInterfaceGuid, Type, dwInBufferSize, pInBuffer, dwOutBufferSize, pOutBuffer, pdwBytesReturned)
// hClientHandle : HANDLE -> 'void *'
// pInterfaceGuid : GUID* -> 'void *'
// Type : WLAN_IHV_CONTROL_TYPE -> 'int32_t'
// dwInBufferSize : DWORD -> 'uint32_t'
// pInBuffer : void* -> 'void *'
// dwOutBufferSize : DWORD -> 'uint32_t'
// pOutBuffer : void* optional, in/out -> 'void *'
// pdwBytesReturned : DWORD* 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("wlanapi.dll", {
  WlanIhvControl: { parameters: ["pointer", "pointer", "i32", "u32", "pointer", "u32", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.WlanIhvControl(hClientHandle, pInterfaceGuid, Type, dwInBufferSize, pInBuffer, dwOutBufferSize, pOutBuffer, pdwBytesReturned)
// hClientHandle : HANDLE -> "pointer"
// pInterfaceGuid : GUID* -> "pointer"
// Type : WLAN_IHV_CONTROL_TYPE -> "i32"
// dwInBufferSize : DWORD -> "u32"
// pInBuffer : void* -> "pointer"
// dwOutBufferSize : DWORD -> "u32"
// pOutBuffer : void* optional, in/out -> "pointer"
// pdwBytesReturned : DWORD* 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 WlanIhvControl(
    void* hClientHandle,
    void* pInterfaceGuid,
    int32_t Type,
    uint32_t dwInBufferSize,
    void* pInBuffer,
    uint32_t dwOutBufferSize,
    void* pOutBuffer,
    uint32_t* pdwBytesReturned);
C, "wlanapi.dll");
// $ffi->WlanIhvControl(hClientHandle, pInterfaceGuid, Type, dwInBufferSize, pInBuffer, dwOutBufferSize, pOutBuffer, pdwBytesReturned);
// hClientHandle : HANDLE
// pInterfaceGuid : GUID*
// Type : WLAN_IHV_CONTROL_TYPE
// dwInBufferSize : DWORD
// pInBuffer : void*
// dwOutBufferSize : DWORD
// pOutBuffer : void* optional, in/out
// pdwBytesReturned : DWORD* 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 WlanIhvControl(
        Pointer hClientHandle,   // HANDLE
        Pointer pInterfaceGuid,   // GUID*
        int Type,   // WLAN_IHV_CONTROL_TYPE
        int dwInBufferSize,   // DWORD
        Pointer pInBuffer,   // void*
        int dwOutBufferSize,   // DWORD
        Pointer pOutBuffer,   // void* optional, in/out
        IntByReference pdwBytesReturned   // DWORD* out
    );
}

@[Link("wlanapi")]
lib Libwlanapi
  fun WlanIhvControl = WlanIhvControl(
    hClientHandle : Void*,   # HANDLE
    pInterfaceGuid : GUID*,   # GUID*
    Type : Int32,   # WLAN_IHV_CONTROL_TYPE
    dwInBufferSize : UInt32,   # DWORD
    pInBuffer : Void*,   # void*
    dwOutBufferSize : UInt32,   # DWORD
    pOutBuffer : Void*,   # void* optional, in/out
    pdwBytesReturned : UInt32*   # DWORD* 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 WlanIhvControlNative = Uint32 Function(Pointer<Void>, Pointer<Void>, Int32, Uint32, Pointer<Void>, Uint32, Pointer<Void>, Pointer<Uint32>);
typedef WlanIhvControlDart = int Function(Pointer<Void>, Pointer<Void>, int, int, Pointer<Void>, int, Pointer<Void>, Pointer<Uint32>);
final WlanIhvControl = DynamicLibrary.open('wlanapi.dll')
    .lookupFunction<WlanIhvControlNative, WlanIhvControlDart>('WlanIhvControl');
// hClientHandle : HANDLE -> Pointer<Void>
// pInterfaceGuid : GUID* -> Pointer<Void>
// Type : WLAN_IHV_CONTROL_TYPE -> Int32
// dwInBufferSize : DWORD -> Uint32
// pInBuffer : void* -> Pointer<Void>
// dwOutBufferSize : DWORD -> Uint32
// pOutBuffer : void* optional, in/out -> Pointer<Void>
// pdwBytesReturned : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WlanIhvControl(
  hClientHandle: THandle;   // HANDLE
  pInterfaceGuid: PGUID;   // GUID*
  Type: Integer;   // WLAN_IHV_CONTROL_TYPE
  dwInBufferSize: DWORD;   // DWORD
  pInBuffer: Pointer;   // void*
  dwOutBufferSize: DWORD;   // DWORD
  pOutBuffer: Pointer;   // void* optional, in/out
  pdwBytesReturned: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'wlanapi.dll' name 'WlanIhvControl';

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

foreign import stdcall safe "WlanIhvControl"
  c_WlanIhvControl :: Ptr () -> Ptr () -> Int32 -> Word32 -> Ptr () -> Word32 -> Ptr () -> Ptr Word32 -> IO Word32
-- hClientHandle : HANDLE -> Ptr ()
-- pInterfaceGuid : GUID* -> Ptr ()
-- Type : WLAN_IHV_CONTROL_TYPE -> Int32
-- dwInBufferSize : DWORD -> Word32
-- pInBuffer : void* -> Ptr ()
-- dwOutBufferSize : DWORD -> Word32
-- pOutBuffer : void* optional, in/out -> Ptr ()
-- pdwBytesReturned : DWORD* 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 wlanihvcontrol =
  foreign "WlanIhvControl"
    ((ptr void) @-> (ptr void) @-> int32_t @-> uint32_t @-> (ptr void) @-> uint32_t @-> (ptr void) @-> (ptr uint32_t) @-> returning uint32_t)
(* hClientHandle : HANDLE -> (ptr void) *)
(* pInterfaceGuid : GUID* -> (ptr void) *)
(* Type : WLAN_IHV_CONTROL_TYPE -> int32_t *)
(* dwInBufferSize : DWORD -> uint32_t *)
(* pInBuffer : void* -> (ptr void) *)
(* dwOutBufferSize : DWORD -> uint32_t *)
(* pOutBuffer : void* optional, in/out -> (ptr void) *)
(* pdwBytesReturned : DWORD* 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 wlanapi (t "wlanapi.dll"))
(cffi:use-foreign-library wlanapi)

(cffi:defcfun ("WlanIhvControl" wlan-ihv-control :convention :stdcall) :uint32
  (h-client-handle :pointer)   ; HANDLE
  (p-interface-guid :pointer)   ; GUID*
  (type :int32)   ; WLAN_IHV_CONTROL_TYPE
  (dw-in-buffer-size :uint32)   ; DWORD
  (p-in-buffer :pointer)   ; void*
  (dw-out-buffer-size :uint32)   ; DWORD
  (p-out-buffer :pointer)   ; void* optional, in/out
  (pdw-bytes-returned :pointer))   ; DWORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WlanIhvControl = Win32::API::More->new('wlanapi',
    'DWORD WlanIhvControl(HANDLE hClientHandle, LPVOID pInterfaceGuid, int Type, DWORD dwInBufferSize, LPVOID pInBuffer, DWORD dwOutBufferSize, LPVOID pOutBuffer, LPVOID pdwBytesReturned)');
# my $ret = $WlanIhvControl->Call($hClientHandle, $pInterfaceGuid, $Type, $dwInBufferSize, $pInBuffer, $dwOutBufferSize, $pOutBuffer, $pdwBytesReturned);
# hClientHandle : HANDLE -> HANDLE
# pInterfaceGuid : GUID* -> LPVOID
# Type : WLAN_IHV_CONTROL_TYPE -> int
# dwInBufferSize : DWORD -> DWORD
# pInBuffer : void* -> LPVOID
# dwOutBufferSize : DWORD -> DWORD
# pOutBuffer : void* optional, in/out -> LPVOID
# pdwBytesReturned : DWORD* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

WlanIhvControl

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