RasClearConnectionStatistics

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

DWORD RasClearConnectionStatistics(
    HRASCONN hRasConn
);

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

' hRasConn : HRASCONN
Declare PtrSafe Function RasClearConnectionStatistics Lib "rasapi32" ( _
    ByVal hRasConn 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

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

require 'fiddle'
require 'fiddle/import'

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

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

$sig = @"
[DllImport("RASAPI32.dll")]
public static extern uint RasClearConnectionStatistics(IntPtr hRasConn);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RASAPI32_RasClearConnectionStatistics' -Namespace Win32 -PassThru
# $api::RasClearConnectionStatistics(hRasConn)

#uselib "RASAPI32.dll"
#func global RasClearConnectionStatistics "RasClearConnectionStatistics" sptr
; RasClearConnectionStatistics hRasConn   ; 戻り値は stat
; hRasConn : HRASCONN -> "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 RasClearConnectionStatistics "RasClearConnectionStatistics" sptr
; res = RasClearConnectionStatistics(hRasConn)
; hRasConn : HRASCONN -> "sptr"

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

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

var (
	rasapi32 = windows.NewLazySystemDLL("RASAPI32.dll")
	procRasClearConnectionStatistics = rasapi32.NewProc("RasClearConnectionStatistics")
)

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

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

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

●RasClearConnectionStatistics(hRasConn) = DLL("RASAPI32.dll", "dword RasClearConnectionStatistics(void*)")
# 呼び出し: RasClearConnectionStatistics(hRasConn)
# hRasConn : HRASCONN -> "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)。