WlanGetProfileCustomUserData

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

DWORD WlanGetProfileCustomUserData(
    HANDLE hClientHandle,
    const GUID* pInterfaceGuid,
    LPCWSTR strProfileName,
    void* pReserved,   // optional
    DWORD* pdwDataSize,
    BYTE** ppData
);

<DllImport("wlanapi.dll", ExactSpelling:=True)>
Public Shared Function WlanGetProfileCustomUserData(
    hClientHandle As IntPtr,   ' HANDLE
    ByRef pInterfaceGuid As Guid,   ' GUID*
    <MarshalAs(UnmanagedType.LPWStr)> strProfileName As String,   ' LPCWSTR
    pReserved As IntPtr,   ' void* optional
    <Out> ByRef pdwDataSize As UInteger,   ' DWORD* out
    ppData As IntPtr   ' BYTE** out
) As UInteger
End Function

' hClientHandle : HANDLE
' pInterfaceGuid : GUID*
' strProfileName : LPCWSTR
' pReserved : void* optional
' pdwDataSize : DWORD* out
' ppData : BYTE** out
Declare PtrSafe Function WlanGetProfileCustomUserData Lib "wlanapi" ( _
    ByVal hClientHandle As LongPtr, _
    ByVal pInterfaceGuid As LongPtr, _
    ByVal strProfileName As LongPtr, _
    ByVal pReserved As LongPtr, _
    ByRef pdwDataSize As Long, _
    ByVal ppData 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

WlanGetProfileCustomUserData = ctypes.windll.wlanapi.WlanGetProfileCustomUserData
WlanGetProfileCustomUserData.restype = wintypes.DWORD
WlanGetProfileCustomUserData.argtypes = [
    wintypes.HANDLE,  # hClientHandle : HANDLE
    ctypes.c_void_p,  # pInterfaceGuid : GUID*
    wintypes.LPCWSTR,  # strProfileName : LPCWSTR
    ctypes.POINTER(None),  # pReserved : void* optional
    ctypes.POINTER(wintypes.DWORD),  # pdwDataSize : DWORD* out
    ctypes.c_void_p,  # ppData : BYTE** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('wlanapi.dll')
WlanGetProfileCustomUserData = Fiddle::Function.new(
  lib['WlanGetProfileCustomUserData'],
  [
    Fiddle::TYPE_VOIDP,  # hClientHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # pInterfaceGuid : GUID*
    Fiddle::TYPE_VOIDP,  # strProfileName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pReserved : void* optional
    Fiddle::TYPE_VOIDP,  # pdwDataSize : DWORD* out
    Fiddle::TYPE_VOIDP,  # ppData : BYTE** out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wlanapi")]
extern "system" {
    fn WlanGetProfileCustomUserData(
        hClientHandle: *mut core::ffi::c_void,  // HANDLE
        pInterfaceGuid: *const GUID,  // GUID*
        strProfileName: *const u16,  // LPCWSTR
        pReserved: *mut (),  // void* optional
        pdwDataSize: *mut u32,  // DWORD* out
        ppData: *mut *mut u8  // BYTE** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("wlanapi.dll")]
public static extern uint WlanGetProfileCustomUserData(IntPtr hClientHandle, ref Guid pInterfaceGuid, [MarshalAs(UnmanagedType.LPWStr)] string strProfileName, IntPtr pReserved, out uint pdwDataSize, IntPtr ppData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wlanapi_WlanGetProfileCustomUserData' -Namespace Win32 -PassThru
# $api::WlanGetProfileCustomUserData(hClientHandle, pInterfaceGuid, strProfileName, pReserved, pdwDataSize, ppData)

#uselib "wlanapi.dll"
#func global WlanGetProfileCustomUserData "WlanGetProfileCustomUserData" sptr, sptr, sptr, sptr, sptr, sptr
; WlanGetProfileCustomUserData hClientHandle, varptr(pInterfaceGuid), strProfileName, pReserved, varptr(pdwDataSize), varptr(ppData)   ; 戻り値は stat
; hClientHandle : HANDLE -> "sptr"
; pInterfaceGuid : GUID* -> "sptr"
; strProfileName : LPCWSTR -> "sptr"
; pReserved : void* optional -> "sptr"
; pdwDataSize : DWORD* out -> "sptr"
; ppData : BYTE** 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 WlanGetProfileCustomUserData "WlanGetProfileCustomUserData" sptr, var, wstr, sptr, var, var
; res = WlanGetProfileCustomUserData(hClientHandle, pInterfaceGuid, strProfileName, pReserved, pdwDataSize, ppData)
; hClientHandle : HANDLE -> "sptr"
; pInterfaceGuid : GUID* -> "var"
; strProfileName : LPCWSTR -> "wstr"
; pReserved : void* optional -> "sptr"
; pdwDataSize : DWORD* out -> "var"
; ppData : BYTE** 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 WlanGetProfileCustomUserData(HANDLE hClientHandle, GUID* pInterfaceGuid, LPCWSTR strProfileName, void* pReserved, DWORD* pdwDataSize, BYTE** ppData)
#uselib "wlanapi.dll"
#cfunc global WlanGetProfileCustomUserData "WlanGetProfileCustomUserData" intptr, var, wstr, intptr, var, var
; res = WlanGetProfileCustomUserData(hClientHandle, pInterfaceGuid, strProfileName, pReserved, pdwDataSize, ppData)
; hClientHandle : HANDLE -> "intptr"
; pInterfaceGuid : GUID* -> "var"
; strProfileName : LPCWSTR -> "wstr"
; pReserved : void* optional -> "intptr"
; pdwDataSize : DWORD* out -> "var"
; ppData : BYTE** 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")
	procWlanGetProfileCustomUserData = wlanapi.NewProc("WlanGetProfileCustomUserData")
)

// hClientHandle (HANDLE), pInterfaceGuid (GUID*), strProfileName (LPCWSTR), pReserved (void* optional), pdwDataSize (DWORD* out), ppData (BYTE** out)
r1, _, err := procWlanGetProfileCustomUserData.Call(
	uintptr(hClientHandle),
	uintptr(pInterfaceGuid),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(strProfileName))),
	uintptr(pReserved),
	uintptr(pdwDataSize),
	uintptr(ppData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function WlanGetProfileCustomUserData(
  hClientHandle: THandle;   // HANDLE
  pInterfaceGuid: PGUID;   // GUID*
  strProfileName: PWideChar;   // LPCWSTR
  pReserved: Pointer;   // void* optional
  pdwDataSize: Pointer;   // DWORD* out
  ppData: Pointer   // BYTE** out
): DWORD; stdcall;
  external 'wlanapi.dll' name 'WlanGetProfileCustomUserData';

result := DllCall("wlanapi\WlanGetProfileCustomUserData"
    , "Ptr", hClientHandle   ; HANDLE
    , "Ptr", pInterfaceGuid   ; GUID*
    , "WStr", strProfileName   ; LPCWSTR
    , "Ptr", pReserved   ; void* optional
    , "Ptr", pdwDataSize   ; DWORD* out
    , "Ptr", ppData   ; BYTE** out
    , "UInt")   ; return: DWORD

●WlanGetProfileCustomUserData(hClientHandle, pInterfaceGuid, strProfileName, pReserved, pdwDataSize, ppData) = DLL("wlanapi.dll", "dword WlanGetProfileCustomUserData(void*, void*, char*, void*, void*, void*)")
# 呼び出し: WlanGetProfileCustomUserData(hClientHandle, pInterfaceGuid, strProfileName, pReserved, pdwDataSize, ppData)
# hClientHandle : HANDLE -> "void*"
# pInterfaceGuid : GUID* -> "void*"
# strProfileName : LPCWSTR -> "char*"
# pReserved : void* optional -> "void*"
# pdwDataSize : DWORD* out -> "void*"
# ppData : BYTE** 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)。