TcDeleteFilter

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

DWORD TcDeleteFilter(
    HANDLE FilterHandle
);

<DllImport("TRAFFIC.dll", ExactSpelling:=True)>
Public Shared Function TcDeleteFilter(
    FilterHandle As IntPtr   ' HANDLE
) As UInteger
End Function

' FilterHandle : HANDLE
Declare PtrSafe Function TcDeleteFilter Lib "traffic" ( _
    ByVal FilterHandle 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

TcDeleteFilter = ctypes.windll.traffic.TcDeleteFilter
TcDeleteFilter.restype = wintypes.DWORD
TcDeleteFilter.argtypes = [
    wintypes.HANDLE,  # FilterHandle : HANDLE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('TRAFFIC.dll')
TcDeleteFilter = Fiddle::Function.new(
  lib['TcDeleteFilter'],
  [
    Fiddle::TYPE_VOIDP,  # FilterHandle : HANDLE
  ],
  -Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("TRAFFIC.dll")]
public static extern uint TcDeleteFilter(IntPtr FilterHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'TRAFFIC_TcDeleteFilter' -Namespace Win32 -PassThru
# $api::TcDeleteFilter(FilterHandle)

#uselib "TRAFFIC.dll"
#func global TcDeleteFilter "TcDeleteFilter" sptr
; TcDeleteFilter FilterHandle   ; 戻り値は stat
; FilterHandle : HANDLE -> "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 "TRAFFIC.dll"
#cfunc global TcDeleteFilter "TcDeleteFilter" sptr
; res = TcDeleteFilter(FilterHandle)
; FilterHandle : HANDLE -> "sptr"

; DWORD TcDeleteFilter(HANDLE FilterHandle)
#uselib "TRAFFIC.dll"
#cfunc global TcDeleteFilter "TcDeleteFilter" intptr
; res = TcDeleteFilter(FilterHandle)
; FilterHandle : HANDLE -> "intptr"

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

var (
	traffic = windows.NewLazySystemDLL("TRAFFIC.dll")
	procTcDeleteFilter = traffic.NewProc("TcDeleteFilter")
)

// FilterHandle (HANDLE)
r1, _, err := procTcDeleteFilter.Call(
	uintptr(FilterHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function TcDeleteFilter(
  FilterHandle: THandle   // HANDLE
): DWORD; stdcall;
  external 'TRAFFIC.dll' name 'TcDeleteFilter';

result := DllCall("TRAFFIC\TcDeleteFilter"
    , "Ptr", FilterHandle   ; HANDLE
    , "UInt")   ; return: DWORD

●TcDeleteFilter(FilterHandle) = DLL("TRAFFIC.dll", "dword TcDeleteFilter(void*)")
# 呼び出し: TcDeleteFilter(FilterHandle)
# FilterHandle : HANDLE -> "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 "traffic" fn TcDeleteFilter(
    FilterHandle: ?*anyopaque // HANDLE
) callconv(std.os.windows.WINAPI) u32;

proc TcDeleteFilter(
    FilterHandle: pointer  # HANDLE
): uint32 {.importc: "TcDeleteFilter", stdcall, dynlib: "TRAFFIC.dll".}

pragma(lib, "traffic");
extern(Windows)
uint TcDeleteFilter(
    void* FilterHandle   // HANDLE
);

ccall((:TcDeleteFilter, "TRAFFIC.dll"), stdcall, UInt32,
      (Ptr{Cvoid},),
      FilterHandle)
# FilterHandle : HANDLE -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t TcDeleteFilter(
    void* FilterHandle);
]]
local traffic = ffi.load("traffic")
-- traffic.TcDeleteFilter(FilterHandle)
-- FilterHandle : HANDLE
-- 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('TRAFFIC.dll');
const TcDeleteFilter = lib.func('__stdcall', 'TcDeleteFilter', 'uint32_t', ['void *']);
// TcDeleteFilter(FilterHandle)
// FilterHandle : HANDLE -> '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("TRAFFIC.dll", {
  TcDeleteFilter: { parameters: ["pointer"], result: "u32" },
});
// lib.symbols.TcDeleteFilter(FilterHandle)
// FilterHandle : HANDLE -> "pointer"
// 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 TcDeleteFilter(
    void* FilterHandle);
C, "TRAFFIC.dll");
// $ffi->TcDeleteFilter(FilterHandle);
// FilterHandle : HANDLE
// 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 Traffic extends StdCallLibrary {
    Traffic INSTANCE = Native.load("traffic", Traffic.class);
    int TcDeleteFilter(
        Pointer FilterHandle   // HANDLE
    );
}

@[Link("traffic")]
lib LibTRAFFIC
  fun TcDeleteFilter = TcDeleteFilter(
    FilterHandle : Void*   # HANDLE
  ) : 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 TcDeleteFilterNative = Uint32 Function(Pointer<Void>);
typedef TcDeleteFilterDart = int Function(Pointer<Void>);
final TcDeleteFilter = DynamicLibrary.open('TRAFFIC.dll')
    .lookupFunction<TcDeleteFilterNative, TcDeleteFilterDart>('TcDeleteFilter');
// FilterHandle : HANDLE -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function TcDeleteFilter(
  FilterHandle: THandle   // HANDLE
): DWORD; stdcall;
  external 'TRAFFIC.dll' name 'TcDeleteFilter';

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

foreign import stdcall safe "TcDeleteFilter"
  c_TcDeleteFilter :: Ptr () -> IO Word32
-- FilterHandle : HANDLE -> 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 tcdeletefilter =
  foreign "TcDeleteFilter"
    ((ptr void) @-> returning uint32_t)
(* FilterHandle : HANDLE -> (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 traffic (t "TRAFFIC.dll"))
(cffi:use-foreign-library traffic)

(cffi:defcfun ("TcDeleteFilter" tc-delete-filter :convention :stdcall) :uint32
  (filter-handle :pointer))   ; HANDLE
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

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