RasClearLinkStatistics

// RASAPI32.dll
#include <windows.h>

DWORD RasClearLinkStatistics(
    HRASCONN hRasConn,
    DWORD dwSubEntry
);

<DllImport("RASAPI32.dll", ExactSpelling:=True)>
Public Shared Function RasClearLinkStatistics(
    hRasConn As IntPtr,   ' HRASCONN
    dwSubEntry As UInteger   ' DWORD
) As UInteger
End Function

' hRasConn : HRASCONN
' dwSubEntry : DWORD
Declare PtrSafe Function RasClearLinkStatistics Lib "rasapi32" ( _
    ByVal hRasConn As LongPtr, _
    ByVal dwSubEntry As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

RasClearLinkStatistics = ctypes.windll.rasapi32.RasClearLinkStatistics
RasClearLinkStatistics.restype = wintypes.DWORD
RasClearLinkStatistics.argtypes = [
    wintypes.HANDLE,  # hRasConn : HRASCONN
    wintypes.DWORD,  # dwSubEntry : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RASAPI32.dll')
RasClearLinkStatistics = Fiddle::Function.new(
  lib['RasClearLinkStatistics'],
  [
    Fiddle::TYPE_VOIDP,  # hRasConn : HRASCONN
    -Fiddle::TYPE_INT,  # dwSubEntry : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "rasapi32")]
extern "system" {
    fn RasClearLinkStatistics(
        hRasConn: *mut core::ffi::c_void,  // HRASCONN
        dwSubEntry: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RASAPI32.dll")]
public static extern uint RasClearLinkStatistics(IntPtr hRasConn, uint dwSubEntry);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RASAPI32_RasClearLinkStatistics' -Namespace Win32 -PassThru
# $api::RasClearLinkStatistics(hRasConn, dwSubEntry)

#uselib "RASAPI32.dll"
#func global RasClearLinkStatistics "RasClearLinkStatistics" sptr, sptr
; RasClearLinkStatistics hRasConn, dwSubEntry   ; 戻り値は stat
; hRasConn : HRASCONN -> "sptr"
; dwSubEntry : DWORD -> "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 "RASAPI32.dll"
#cfunc global RasClearLinkStatistics "RasClearLinkStatistics" sptr, int
; res = RasClearLinkStatistics(hRasConn, dwSubEntry)
; hRasConn : HRASCONN -> "sptr"
; dwSubEntry : DWORD -> "int"

; DWORD RasClearLinkStatistics(HRASCONN hRasConn, DWORD dwSubEntry)
#uselib "RASAPI32.dll"
#cfunc global RasClearLinkStatistics "RasClearLinkStatistics" intptr, int
; res = RasClearLinkStatistics(hRasConn, dwSubEntry)
; hRasConn : HRASCONN -> "intptr"
; dwSubEntry : DWORD -> "int"

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

var (
	rasapi32 = windows.NewLazySystemDLL("RASAPI32.dll")
	procRasClearLinkStatistics = rasapi32.NewProc("RasClearLinkStatistics")
)

// hRasConn (HRASCONN), dwSubEntry (DWORD)
r1, _, err := procRasClearLinkStatistics.Call(
	uintptr(hRasConn),
	uintptr(dwSubEntry),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function RasClearLinkStatistics(
  hRasConn: THandle;   // HRASCONN
  dwSubEntry: DWORD   // DWORD
): DWORD; stdcall;
  external 'RASAPI32.dll' name 'RasClearLinkStatistics';

result := DllCall("RASAPI32\RasClearLinkStatistics"
    , "Ptr", hRasConn   ; HRASCONN
    , "UInt", dwSubEntry   ; DWORD
    , "UInt")   ; return: DWORD

●RasClearLinkStatistics(hRasConn, dwSubEntry) = DLL("RASAPI32.dll", "dword RasClearLinkStatistics(void*, dword)")
# 呼び出し: RasClearLinkStatistics(hRasConn, dwSubEntry)
# hRasConn : HRASCONN -> "void*"
# dwSubEntry : DWORD -> "dword"
# 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 RasClearLinkStatistics(
    hRasConn: ?*anyopaque, // HRASCONN
    dwSubEntry: u32 // DWORD
) callconv(std.os.windows.WINAPI) u32;

proc RasClearLinkStatistics(
    hRasConn: pointer,  # HRASCONN
    dwSubEntry: uint32  # DWORD
): uint32 {.importc: "RasClearLinkStatistics", stdcall, dynlib: "RASAPI32.dll".}

pragma(lib, "rasapi32");
extern(Windows)
uint RasClearLinkStatistics(
    void* hRasConn,   // HRASCONN
    uint dwSubEntry   // DWORD
);

ccall((:RasClearLinkStatistics, "RASAPI32.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, UInt32),
      hRasConn, dwSubEntry)
# hRasConn : HRASCONN -> Ptr{Cvoid}
# dwSubEntry : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t RasClearLinkStatistics(
    void* hRasConn,
    uint32_t dwSubEntry);
]]
local rasapi32 = ffi.load("rasapi32")
-- rasapi32.RasClearLinkStatistics(hRasConn, dwSubEntry)
-- hRasConn : HRASCONN
-- dwSubEntry : DWORD
-- 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 RasClearLinkStatistics = lib.func('__stdcall', 'RasClearLinkStatistics', 'uint32_t', ['void *', 'uint32_t']);
// RasClearLinkStatistics(hRasConn, dwSubEntry)
// hRasConn : HRASCONN -> 'void *'
// dwSubEntry : DWORD -> 'uint32_t'
// 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", {
  RasClearLinkStatistics: { parameters: ["pointer", "u32"], result: "u32" },
});
// lib.symbols.RasClearLinkStatistics(hRasConn, dwSubEntry)
// hRasConn : HRASCONN -> "pointer"
// dwSubEntry : DWORD -> "u32"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t RasClearLinkStatistics(
    void* hRasConn,
    uint32_t dwSubEntry);
C, "RASAPI32.dll");
// $ffi->RasClearLinkStatistics(hRasConn, dwSubEntry);
// hRasConn : HRASCONN
// dwSubEntry : DWORD
// 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);
    int RasClearLinkStatistics(
        Pointer hRasConn,   // HRASCONN
        int dwSubEntry   // DWORD
    );
}

@[Link("rasapi32")]
lib LibRASAPI32
  fun RasClearLinkStatistics = RasClearLinkStatistics(
    hRasConn : Void*,   # HRASCONN
    dwSubEntry : UInt32   # DWORD
  ) : UInt32
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 RasClearLinkStatisticsNative = Uint32 Function(Pointer<Void>, Uint32);
typedef RasClearLinkStatisticsDart = int Function(Pointer<Void>, int);
final RasClearLinkStatistics = DynamicLibrary.open('RASAPI32.dll')
    .lookupFunction<RasClearLinkStatisticsNative, RasClearLinkStatisticsDart>('RasClearLinkStatistics');
// hRasConn : HRASCONN -> Pointer<Void>
// dwSubEntry : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function RasClearLinkStatistics(
  hRasConn: THandle;   // HRASCONN
  dwSubEntry: DWORD   // DWORD
): DWORD; stdcall;
  external 'RASAPI32.dll' name 'RasClearLinkStatistics';

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

foreign import stdcall safe "RasClearLinkStatistics"
  c_RasClearLinkStatistics :: Ptr () -> Word32 -> IO Word32
-- hRasConn : HRASCONN -> Ptr ()
-- dwSubEntry : DWORD -> Word32
-- 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 rasclearlinkstatistics =
  foreign "RasClearLinkStatistics"
    ((ptr void) @-> uint32_t @-> returning uint32_t)
(* hRasConn : HRASCONN -> (ptr void) *)
(* dwSubEntry : DWORD -> uint32_t *)
(* 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 ("RasClearLinkStatistics" ras-clear-link-statistics :convention :stdcall) :uint32
  (h-ras-conn :pointer)   ; HRASCONN
  (dw-sub-entry :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $RasClearLinkStatistics = Win32::API::More->new('RASAPI32',
    'DWORD RasClearLinkStatistics(HANDLE hRasConn, DWORD dwSubEntry)');
# my $ret = $RasClearLinkStatistics->Call($hRasConn, $dwSubEntry);
# hRasConn : HRASCONN -> HANDLE
# dwSubEntry : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。