WlanGetFilterList

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

DWORD WlanGetFilterList(
    HANDLE hClientHandle,
    WLAN_FILTER_LIST_TYPE wlanFilterListType,
    void* pReserved,   // optional
    DOT11_NETWORK_LIST** ppNetworkList
);

<DllImport("wlanapi.dll", ExactSpelling:=True)>
Public Shared Function WlanGetFilterList(
    hClientHandle As IntPtr,   ' HANDLE
    wlanFilterListType As Integer,   ' WLAN_FILTER_LIST_TYPE
    pReserved As IntPtr,   ' void* optional
    ppNetworkList As IntPtr   ' DOT11_NETWORK_LIST** out
) As UInteger
End Function

' hClientHandle : HANDLE
' wlanFilterListType : WLAN_FILTER_LIST_TYPE
' pReserved : void* optional
' ppNetworkList : DOT11_NETWORK_LIST** out
Declare PtrSafe Function WlanGetFilterList Lib "wlanapi" ( _
    ByVal hClientHandle As LongPtr, _
    ByVal wlanFilterListType As Long, _
    ByVal pReserved As LongPtr, _
    ByVal ppNetworkList 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

WlanGetFilterList = ctypes.windll.wlanapi.WlanGetFilterList
WlanGetFilterList.restype = wintypes.DWORD
WlanGetFilterList.argtypes = [
    wintypes.HANDLE,  # hClientHandle : HANDLE
    ctypes.c_int,  # wlanFilterListType : WLAN_FILTER_LIST_TYPE
    ctypes.POINTER(None),  # pReserved : void* optional
    ctypes.c_void_p,  # ppNetworkList : DOT11_NETWORK_LIST** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('wlanapi.dll')
WlanGetFilterList = Fiddle::Function.new(
  lib['WlanGetFilterList'],
  [
    Fiddle::TYPE_VOIDP,  # hClientHandle : HANDLE
    Fiddle::TYPE_INT,  # wlanFilterListType : WLAN_FILTER_LIST_TYPE
    Fiddle::TYPE_VOIDP,  # pReserved : void* optional
    Fiddle::TYPE_VOIDP,  # ppNetworkList : DOT11_NETWORK_LIST** out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wlanapi")]
extern "system" {
    fn WlanGetFilterList(
        hClientHandle: *mut core::ffi::c_void,  // HANDLE
        wlanFilterListType: i32,  // WLAN_FILTER_LIST_TYPE
        pReserved: *mut (),  // void* optional
        ppNetworkList: *mut *mut DOT11_NETWORK_LIST  // DOT11_NETWORK_LIST** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("wlanapi.dll")]
public static extern uint WlanGetFilterList(IntPtr hClientHandle, int wlanFilterListType, IntPtr pReserved, IntPtr ppNetworkList);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wlanapi_WlanGetFilterList' -Namespace Win32 -PassThru
# $api::WlanGetFilterList(hClientHandle, wlanFilterListType, pReserved, ppNetworkList)

#uselib "wlanapi.dll"
#func global WlanGetFilterList "WlanGetFilterList" sptr, sptr, sptr, sptr
; WlanGetFilterList hClientHandle, wlanFilterListType, pReserved, varptr(ppNetworkList)   ; 戻り値は stat
; hClientHandle : HANDLE -> "sptr"
; wlanFilterListType : WLAN_FILTER_LIST_TYPE -> "sptr"
; pReserved : void* optional -> "sptr"
; ppNetworkList : DOT11_NETWORK_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。

#uselib "wlanapi.dll"
#cfunc global WlanGetFilterList "WlanGetFilterList" sptr, int, sptr, var
; res = WlanGetFilterList(hClientHandle, wlanFilterListType, pReserved, ppNetworkList)
; hClientHandle : HANDLE -> "sptr"
; wlanFilterListType : WLAN_FILTER_LIST_TYPE -> "int"
; pReserved : void* optional -> "sptr"
; ppNetworkList : DOT11_NETWORK_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 WlanGetFilterList(HANDLE hClientHandle, WLAN_FILTER_LIST_TYPE wlanFilterListType, void* pReserved, DOT11_NETWORK_LIST** ppNetworkList)
#uselib "wlanapi.dll"
#cfunc global WlanGetFilterList "WlanGetFilterList" intptr, int, intptr, var
; res = WlanGetFilterList(hClientHandle, wlanFilterListType, pReserved, ppNetworkList)
; hClientHandle : HANDLE -> "intptr"
; wlanFilterListType : WLAN_FILTER_LIST_TYPE -> "int"
; pReserved : void* optional -> "intptr"
; ppNetworkList : DOT11_NETWORK_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")
	procWlanGetFilterList = wlanapi.NewProc("WlanGetFilterList")
)

// hClientHandle (HANDLE), wlanFilterListType (WLAN_FILTER_LIST_TYPE), pReserved (void* optional), ppNetworkList (DOT11_NETWORK_LIST** out)
r1, _, err := procWlanGetFilterList.Call(
	uintptr(hClientHandle),
	uintptr(wlanFilterListType),
	uintptr(pReserved),
	uintptr(ppNetworkList),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function WlanGetFilterList(
  hClientHandle: THandle;   // HANDLE
  wlanFilterListType: Integer;   // WLAN_FILTER_LIST_TYPE
  pReserved: Pointer;   // void* optional
  ppNetworkList: Pointer   // DOT11_NETWORK_LIST** out
): DWORD; stdcall;
  external 'wlanapi.dll' name 'WlanGetFilterList';

result := DllCall("wlanapi\WlanGetFilterList"
    , "Ptr", hClientHandle   ; HANDLE
    , "Int", wlanFilterListType   ; WLAN_FILTER_LIST_TYPE
    , "Ptr", pReserved   ; void* optional
    , "Ptr", ppNetworkList   ; DOT11_NETWORK_LIST** out
    , "UInt")   ; return: DWORD

●WlanGetFilterList(hClientHandle, wlanFilterListType, pReserved, ppNetworkList) = DLL("wlanapi.dll", "dword WlanGetFilterList(void*, int, void*, void*)")
# 呼び出し: WlanGetFilterList(hClientHandle, wlanFilterListType, pReserved, ppNetworkList)
# hClientHandle : HANDLE -> "void*"
# wlanFilterListType : WLAN_FILTER_LIST_TYPE -> "int"
# pReserved : void* optional -> "void*"
# ppNetworkList : DOT11_NETWORK_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)。