WlanOpenHandle

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

DWORD WlanOpenHandle(
    DWORD dwClientVersion,
    void* pReserved,   // optional
    DWORD* pdwNegotiatedVersion,
    HANDLE* phClientHandle
);

<DllImport("wlanapi.dll", ExactSpelling:=True)>
Public Shared Function WlanOpenHandle(
    dwClientVersion As UInteger,   ' DWORD
    pReserved As IntPtr,   ' void* optional
    <Out> ByRef pdwNegotiatedVersion As UInteger,   ' DWORD* out
    phClientHandle As IntPtr   ' HANDLE* out
) As UInteger
End Function

' dwClientVersion : DWORD
' pReserved : void* optional
' pdwNegotiatedVersion : DWORD* out
' phClientHandle : HANDLE* out
Declare PtrSafe Function WlanOpenHandle Lib "wlanapi" ( _
    ByVal dwClientVersion As Long, _
    ByVal pReserved As LongPtr, _
    ByRef pdwNegotiatedVersion As Long, _
    ByVal phClientHandle 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

WlanOpenHandle = ctypes.windll.wlanapi.WlanOpenHandle
WlanOpenHandle.restype = wintypes.DWORD
WlanOpenHandle.argtypes = [
    wintypes.DWORD,  # dwClientVersion : DWORD
    ctypes.POINTER(None),  # pReserved : void* optional
    ctypes.POINTER(wintypes.DWORD),  # pdwNegotiatedVersion : DWORD* out
    ctypes.c_void_p,  # phClientHandle : HANDLE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('wlanapi.dll')
WlanOpenHandle = Fiddle::Function.new(
  lib['WlanOpenHandle'],
  [
    -Fiddle::TYPE_INT,  # dwClientVersion : DWORD
    Fiddle::TYPE_VOIDP,  # pReserved : void* optional
    Fiddle::TYPE_VOIDP,  # pdwNegotiatedVersion : DWORD* out
    Fiddle::TYPE_VOIDP,  # phClientHandle : HANDLE* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wlanapi")]
extern "system" {
    fn WlanOpenHandle(
        dwClientVersion: u32,  // DWORD
        pReserved: *mut (),  // void* optional
        pdwNegotiatedVersion: *mut u32,  // DWORD* out
        phClientHandle: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("wlanapi.dll")]
public static extern uint WlanOpenHandle(uint dwClientVersion, IntPtr pReserved, out uint pdwNegotiatedVersion, IntPtr phClientHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wlanapi_WlanOpenHandle' -Namespace Win32 -PassThru
# $api::WlanOpenHandle(dwClientVersion, pReserved, pdwNegotiatedVersion, phClientHandle)

#uselib "wlanapi.dll"
#func global WlanOpenHandle "WlanOpenHandle" sptr, sptr, sptr, sptr
; WlanOpenHandle dwClientVersion, pReserved, varptr(pdwNegotiatedVersion), phClientHandle   ; 戻り値は stat
; dwClientVersion : DWORD -> "sptr"
; pReserved : void* optional -> "sptr"
; pdwNegotiatedVersion : DWORD* out -> "sptr"
; phClientHandle : HANDLE* 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 WlanOpenHandle "WlanOpenHandle" int, sptr, var, sptr
; res = WlanOpenHandle(dwClientVersion, pReserved, pdwNegotiatedVersion, phClientHandle)
; dwClientVersion : DWORD -> "int"
; pReserved : void* optional -> "sptr"
; pdwNegotiatedVersion : DWORD* out -> "var"
; phClientHandle : HANDLE* out -> "sptr"
; ※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 WlanOpenHandle(DWORD dwClientVersion, void* pReserved, DWORD* pdwNegotiatedVersion, HANDLE* phClientHandle)
#uselib "wlanapi.dll"
#cfunc global WlanOpenHandle "WlanOpenHandle" int, intptr, var, intptr
; res = WlanOpenHandle(dwClientVersion, pReserved, pdwNegotiatedVersion, phClientHandle)
; dwClientVersion : DWORD -> "int"
; pReserved : void* optional -> "intptr"
; pdwNegotiatedVersion : DWORD* out -> "var"
; phClientHandle : HANDLE* out -> "intptr"
; ※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")
	procWlanOpenHandle = wlanapi.NewProc("WlanOpenHandle")
)

// dwClientVersion (DWORD), pReserved (void* optional), pdwNegotiatedVersion (DWORD* out), phClientHandle (HANDLE* out)
r1, _, err := procWlanOpenHandle.Call(
	uintptr(dwClientVersion),
	uintptr(pReserved),
	uintptr(pdwNegotiatedVersion),
	uintptr(phClientHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function WlanOpenHandle(
  dwClientVersion: DWORD;   // DWORD
  pReserved: Pointer;   // void* optional
  pdwNegotiatedVersion: Pointer;   // DWORD* out
  phClientHandle: Pointer   // HANDLE* out
): DWORD; stdcall;
  external 'wlanapi.dll' name 'WlanOpenHandle';

result := DllCall("wlanapi\WlanOpenHandle"
    , "UInt", dwClientVersion   ; DWORD
    , "Ptr", pReserved   ; void* optional
    , "Ptr", pdwNegotiatedVersion   ; DWORD* out
    , "Ptr", phClientHandle   ; HANDLE* out
    , "UInt")   ; return: DWORD

●WlanOpenHandle(dwClientVersion, pReserved, pdwNegotiatedVersion, phClientHandle) = DLL("wlanapi.dll", "dword WlanOpenHandle(dword, void*, void*, void*)")
# 呼び出し: WlanOpenHandle(dwClientVersion, pReserved, pdwNegotiatedVersion, phClientHandle)
# dwClientVersion : DWORD -> "dword"
# pReserved : void* optional -> "void*"
# pdwNegotiatedVersion : DWORD* out -> "void*"
# phClientHandle : HANDLE* 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)。