WlanEnumInterfaces

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

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

<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。

#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。

; 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)。