RasFreeEapUserIdentityA

// RASAPI32.dll  (ANSI / -A)
#include <windows.h>

void RasFreeEapUserIdentityA(
    RASEAPUSERIDENTITYA* pRasEapUserIdentity
);

<DllImport("RASAPI32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Sub RasFreeEapUserIdentityA(
    pRasEapUserIdentity As IntPtr   ' RASEAPUSERIDENTITYA*
)
End Sub

' pRasEapUserIdentity : RASEAPUSERIDENTITYA*
Declare PtrSafe Sub RasFreeEapUserIdentityA Lib "rasapi32" ( _
    ByVal pRasEapUserIdentity As LongPtr)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

RasFreeEapUserIdentityA = ctypes.windll.rasapi32.RasFreeEapUserIdentityA
RasFreeEapUserIdentityA.restype = None
RasFreeEapUserIdentityA.argtypes = [
    ctypes.c_void_p,  # pRasEapUserIdentity : RASEAPUSERIDENTITYA*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RASAPI32.dll')
RasFreeEapUserIdentityA = Fiddle::Function.new(
  lib['RasFreeEapUserIdentityA'],
  [
    Fiddle::TYPE_VOIDP,  # pRasEapUserIdentity : RASEAPUSERIDENTITYA*
  ],
  Fiddle::TYPE_VOID)

#[link(name = "rasapi32")]
extern "system" {
    fn RasFreeEapUserIdentityA(
        pRasEapUserIdentity: *mut RASEAPUSERIDENTITYA  // RASEAPUSERIDENTITYA*
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RASAPI32.dll", CharSet = CharSet.Ansi)]
public static extern void RasFreeEapUserIdentityA(IntPtr pRasEapUserIdentity);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RASAPI32_RasFreeEapUserIdentityA' -Namespace Win32 -PassThru
# $api::RasFreeEapUserIdentityA(pRasEapUserIdentity)

#uselib "RASAPI32.dll"
#func global RasFreeEapUserIdentityA "RasFreeEapUserIdentityA" sptr
; RasFreeEapUserIdentityA varptr(pRasEapUserIdentity)
; pRasEapUserIdentity : RASEAPUSERIDENTITYA* -> "sptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	rasapi32 = windows.NewLazySystemDLL("RASAPI32.dll")
	procRasFreeEapUserIdentityA = rasapi32.NewProc("RasFreeEapUserIdentityA")
)

// pRasEapUserIdentity (RASEAPUSERIDENTITYA*)
r1, _, err := procRasFreeEapUserIdentityA.Call(
	uintptr(pRasEapUserIdentity),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure RasFreeEapUserIdentityA(
  pRasEapUserIdentity: Pointer   // RASEAPUSERIDENTITYA*
); stdcall;
  external 'RASAPI32.dll' name 'RasFreeEapUserIdentityA';

result := DllCall("RASAPI32\RasFreeEapUserIdentityA"
    , "Ptr", pRasEapUserIdentity   ; RASEAPUSERIDENTITYA*
    , "Int")   ; return: void

●RasFreeEapUserIdentityA(pRasEapUserIdentity) = DLL("RASAPI32.dll", "int RasFreeEapUserIdentityA(void*)")
# 呼び出し: RasFreeEapUserIdentityA(pRasEapUserIdentity)
# pRasEapUserIdentity : RASEAPUSERIDENTITYA* -> "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 "rasapi32" fn RasFreeEapUserIdentityA(
    pRasEapUserIdentity: [*c]RASEAPUSERIDENTITYA // RASEAPUSERIDENTITYA*
) callconv(std.os.windows.WINAPI) void;

proc RasFreeEapUserIdentityA(
    pRasEapUserIdentity: ptr RASEAPUSERIDENTITYA  # RASEAPUSERIDENTITYA*
) {.importc: "RasFreeEapUserIdentityA", stdcall, dynlib: "RASAPI32.dll".}

pragma(lib, "rasapi32");
extern(Windows)
void RasFreeEapUserIdentityA(
    RASEAPUSERIDENTITYA* pRasEapUserIdentity   // RASEAPUSERIDENTITYA*
);

ccall((:RasFreeEapUserIdentityA, "RASAPI32.dll"), stdcall, Cvoid,
      (Ptr{RASEAPUSERIDENTITYA},),
      pRasEapUserIdentity)
# pRasEapUserIdentity : RASEAPUSERIDENTITYA* -> Ptr{RASEAPUSERIDENTITYA}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void RasFreeEapUserIdentityA(
    void* pRasEapUserIdentity);
]]
local rasapi32 = ffi.load("rasapi32")
-- rasapi32.RasFreeEapUserIdentityA(pRasEapUserIdentity)
-- pRasEapUserIdentity : RASEAPUSERIDENTITYA*
-- 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('RASAPI32.dll');
const RasFreeEapUserIdentityA = lib.func('__stdcall', 'RasFreeEapUserIdentityA', 'void', ['void *']);
// RasFreeEapUserIdentityA(pRasEapUserIdentity)
// pRasEapUserIdentity : RASEAPUSERIDENTITYA* -> 'void *'
// 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("RASAPI32.dll", {
  RasFreeEapUserIdentityA: { parameters: ["pointer"], result: "void" },
});
// lib.symbols.RasFreeEapUserIdentityA(pRasEapUserIdentity)
// pRasEapUserIdentity : RASEAPUSERIDENTITYA* -> "pointer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
void RasFreeEapUserIdentityA(
    void* pRasEapUserIdentity);
C, "RASAPI32.dll");
// $ffi->RasFreeEapUserIdentityA(pRasEapUserIdentity);
// pRasEapUserIdentity : RASEAPUSERIDENTITYA*
// 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 Rasapi32 extends StdCallLibrary {
    Rasapi32 INSTANCE = Native.load("rasapi32", Rasapi32.class, W32APIOptions.ASCII_OPTIONS);
    void RasFreeEapUserIdentityA(
        Pointer pRasEapUserIdentity   // RASEAPUSERIDENTITYA*
    );
}

@[Link("rasapi32")]
lib LibRASAPI32
  fun RasFreeEapUserIdentityA = RasFreeEapUserIdentityA(
    pRasEapUserIdentity : RASEAPUSERIDENTITYA*   # RASEAPUSERIDENTITYA*
  ) : Void
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 RasFreeEapUserIdentityANative = Void Function(Pointer<Void>);
typedef RasFreeEapUserIdentityADart = void Function(Pointer<Void>);
final RasFreeEapUserIdentityA = DynamicLibrary.open('RASAPI32.dll')
    .lookupFunction<RasFreeEapUserIdentityANative, RasFreeEapUserIdentityADart>('RasFreeEapUserIdentityA');
// pRasEapUserIdentity : RASEAPUSERIDENTITYA* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure RasFreeEapUserIdentityA(
  pRasEapUserIdentity: Pointer   // RASEAPUSERIDENTITYA*
); stdcall;
  external 'RASAPI32.dll' name 'RasFreeEapUserIdentityA';

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

foreign import stdcall safe "RasFreeEapUserIdentityA"
  c_RasFreeEapUserIdentityA :: Ptr () -> IO ()
-- pRasEapUserIdentity : RASEAPUSERIDENTITYA* -> Ptr ()
-- 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 rasfreeeapuseridentitya =
  foreign "RasFreeEapUserIdentityA"
    ((ptr void) @-> returning void)
(* pRasEapUserIdentity : RASEAPUSERIDENTITYA* -> (ptr void) *)
(* 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 rasapi32 (t "RASAPI32.dll"))
(cffi:use-foreign-library rasapi32)

(cffi:defcfun ("RasFreeEapUserIdentityA" ras-free-eap-user-identity-a :convention :stdcall) :void
  (p-ras-eap-user-identity :pointer))   ; RASEAPUSERIDENTITYA*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $RasFreeEapUserIdentityA = Win32::API::More->new('RASAPI32',
    'void RasFreeEapUserIdentityA(LPVOID pRasEapUserIdentity)');
# my $ret = $RasFreeEapUserIdentityA->Call($pRasEapUserIdentity);
# pRasEapUserIdentity : RASEAPUSERIDENTITYA* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。