DhcpHlprFreeV4Policy

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

void DhcpHlprFreeV4Policy(
    DHCP_POLICY* Policy
);

<DllImport("DHCPSAPI.dll", ExactSpelling:=True)>
Public Shared Sub DhcpHlprFreeV4Policy(
    Policy As IntPtr   ' DHCP_POLICY* in/out
)
End Sub

' Policy : DHCP_POLICY* in/out
Declare PtrSafe Sub DhcpHlprFreeV4Policy Lib "dhcpsapi" ( _
    ByVal Policy As LongPtr)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DhcpHlprFreeV4Policy = ctypes.windll.dhcpsapi.DhcpHlprFreeV4Policy
DhcpHlprFreeV4Policy.restype = None
DhcpHlprFreeV4Policy.argtypes = [
    ctypes.c_void_p,  # Policy : DHCP_POLICY* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DHCPSAPI.dll')
DhcpHlprFreeV4Policy = Fiddle::Function.new(
  lib['DhcpHlprFreeV4Policy'],
  [
    Fiddle::TYPE_VOIDP,  # Policy : DHCP_POLICY* in/out
  ],
  Fiddle::TYPE_VOID)

#[link(name = "dhcpsapi")]
extern "system" {
    fn DhcpHlprFreeV4Policy(
        Policy: *mut DHCP_POLICY  // DHCP_POLICY* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DHCPSAPI.dll")]
public static extern void DhcpHlprFreeV4Policy(IntPtr Policy);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DHCPSAPI_DhcpHlprFreeV4Policy' -Namespace Win32 -PassThru
# $api::DhcpHlprFreeV4Policy(Policy)

#uselib "DHCPSAPI.dll"
#func global DhcpHlprFreeV4Policy "DhcpHlprFreeV4Policy" sptr
; DhcpHlprFreeV4Policy varptr(Policy)
; Policy : DHCP_POLICY* in/out -> "sptr"

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

var (
	dhcpsapi = windows.NewLazySystemDLL("DHCPSAPI.dll")
	procDhcpHlprFreeV4Policy = dhcpsapi.NewProc("DhcpHlprFreeV4Policy")
)

// Policy (DHCP_POLICY* in/out)
r1, _, err := procDhcpHlprFreeV4Policy.Call(
	uintptr(Policy),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure DhcpHlprFreeV4Policy(
  Policy: Pointer   // DHCP_POLICY* in/out
); stdcall;
  external 'DHCPSAPI.dll' name 'DhcpHlprFreeV4Policy';

result := DllCall("DHCPSAPI\DhcpHlprFreeV4Policy"
    , "Ptr", Policy   ; DHCP_POLICY* in/out
    , "Int")   ; return: void

●DhcpHlprFreeV4Policy(Policy) = DLL("DHCPSAPI.dll", "int DhcpHlprFreeV4Policy(void*)")
# 呼び出し: DhcpHlprFreeV4Policy(Policy)
# Policy : DHCP_POLICY* in/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)。

const std = @import("std");

extern "dhcpsapi" fn DhcpHlprFreeV4Policy(
    Policy: [*c]DHCP_POLICY // DHCP_POLICY* in/out
) callconv(std.os.windows.WINAPI) void;

proc DhcpHlprFreeV4Policy(
    Policy: ptr DHCP_POLICY  # DHCP_POLICY* in/out
) {.importc: "DhcpHlprFreeV4Policy", stdcall, dynlib: "DHCPSAPI.dll".}

pragma(lib, "dhcpsapi");
extern(Windows)
void DhcpHlprFreeV4Policy(
    DHCP_POLICY* Policy   // DHCP_POLICY* in/out
);

ccall((:DhcpHlprFreeV4Policy, "DHCPSAPI.dll"), stdcall, Cvoid,
      (Ptr{DHCP_POLICY},),
      Policy)
# Policy : DHCP_POLICY* in/out -> Ptr{DHCP_POLICY}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void DhcpHlprFreeV4Policy(
    void* Policy);
]]
local dhcpsapi = ffi.load("dhcpsapi")
-- dhcpsapi.DhcpHlprFreeV4Policy(Policy)
-- Policy : DHCP_POLICY* in/out
-- 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('DHCPSAPI.dll');
const DhcpHlprFreeV4Policy = lib.func('__stdcall', 'DhcpHlprFreeV4Policy', 'void', ['void *']);
// DhcpHlprFreeV4Policy(Policy)
// Policy : DHCP_POLICY* in/out -> '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("DHCPSAPI.dll", {
  DhcpHlprFreeV4Policy: { parameters: ["pointer"], result: "void" },
});
// lib.symbols.DhcpHlprFreeV4Policy(Policy)
// Policy : DHCP_POLICY* in/out -> "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
void DhcpHlprFreeV4Policy(
    void* Policy);
C, "DHCPSAPI.dll");
// $ffi->DhcpHlprFreeV4Policy(Policy);
// Policy : DHCP_POLICY* in/out
// 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 Dhcpsapi extends StdCallLibrary {
    Dhcpsapi INSTANCE = Native.load("dhcpsapi", Dhcpsapi.class);
    void DhcpHlprFreeV4Policy(
        Pointer Policy   // DHCP_POLICY* in/out
    );
}

@[Link("dhcpsapi")]
lib LibDHCPSAPI
  fun DhcpHlprFreeV4Policy = DhcpHlprFreeV4Policy(
    Policy : DHCP_POLICY*   # DHCP_POLICY* in/out
  ) : 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 DhcpHlprFreeV4PolicyNative = Void Function(Pointer<Void>);
typedef DhcpHlprFreeV4PolicyDart = void Function(Pointer<Void>);
final DhcpHlprFreeV4Policy = DynamicLibrary.open('DHCPSAPI.dll')
    .lookupFunction<DhcpHlprFreeV4PolicyNative, DhcpHlprFreeV4PolicyDart>('DhcpHlprFreeV4Policy');
// Policy : DHCP_POLICY* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure DhcpHlprFreeV4Policy(
  Policy: Pointer   // DHCP_POLICY* in/out
); stdcall;
  external 'DHCPSAPI.dll' name 'DhcpHlprFreeV4Policy';

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

foreign import stdcall safe "DhcpHlprFreeV4Policy"
  c_DhcpHlprFreeV4Policy :: Ptr () -> IO ()
-- Policy : DHCP_POLICY* in/out -> 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 dhcphlprfreev4policy =
  foreign "DhcpHlprFreeV4Policy"
    ((ptr void) @-> returning void)
(* Policy : DHCP_POLICY* in/out -> (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 dhcpsapi (t "DHCPSAPI.dll"))
(cffi:use-foreign-library dhcpsapi)

(cffi:defcfun ("DhcpHlprFreeV4Policy" dhcp-hlpr-free-v4-policy :convention :stdcall) :void
  (policy :pointer))   ; DHCP_POLICY* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DhcpHlprFreeV4Policy = Win32::API::More->new('DHCPSAPI',
    'void DhcpHlprFreeV4Policy(LPVOID Policy)');
# my $ret = $DhcpHlprFreeV4Policy->Call($Policy);
# Policy : DHCP_POLICY* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。