RtlIpv4AddressToStringA

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

LPSTR RtlIpv4AddressToStringA(
    const IN_ADDR* Addr,
    LPSTR S
);

<DllImport("ntdll.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function RtlIpv4AddressToStringA(
    Addr As IntPtr,   ' IN_ADDR*
    <MarshalAs(UnmanagedType.LPStr)> S As System.Text.StringBuilder   ' LPSTR out
) As IntPtr
End Function

' Addr : IN_ADDR*
' S : LPSTR out
Declare PtrSafe Function RtlIpv4AddressToStringA Lib "ntdll" ( _
    ByVal Addr As LongPtr, _
    ByVal S As String) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

RtlIpv4AddressToStringA = ctypes.windll.ntdll.RtlIpv4AddressToStringA
RtlIpv4AddressToStringA.restype = wintypes.LPSTR
RtlIpv4AddressToStringA.argtypes = [
    ctypes.c_void_p,  # Addr : IN_ADDR*
    wintypes.LPSTR,  # S : LPSTR out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ntdll.dll')
RtlIpv4AddressToStringA = Fiddle::Function.new(
  lib['RtlIpv4AddressToStringA'],
  [
    Fiddle::TYPE_VOIDP,  # Addr : IN_ADDR*
    Fiddle::TYPE_VOIDP,  # S : LPSTR out
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "ntdll")]
extern "system" {
    fn RtlIpv4AddressToStringA(
        Addr: *const IN_ADDR,  // IN_ADDR*
        S: *mut u8  // LPSTR out
    ) -> *mut u8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ntdll.dll", CharSet = CharSet.Ansi)]
public static extern IntPtr RtlIpv4AddressToStringA(IntPtr Addr, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder S);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ntdll_RtlIpv4AddressToStringA' -Namespace Win32 -PassThru
# $api::RtlIpv4AddressToStringA(Addr, S)

#uselib "ntdll.dll"
#func global RtlIpv4AddressToStringA "RtlIpv4AddressToStringA" sptr, sptr
; RtlIpv4AddressToStringA varptr(Addr), varptr(S)   ; 戻り値は stat
; Addr : IN_ADDR* -> "sptr"
; S : LPSTR out -> "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。

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

var (
	ntdll = windows.NewLazySystemDLL("ntdll.dll")
	procRtlIpv4AddressToStringA = ntdll.NewProc("RtlIpv4AddressToStringA")
)

// Addr (IN_ADDR*), S (LPSTR out)
r1, _, err := procRtlIpv4AddressToStringA.Call(
	uintptr(Addr),
	uintptr(S),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LPSTR

function RtlIpv4AddressToStringA(
  Addr: Pointer;   // IN_ADDR*
  S: PAnsiChar   // LPSTR out
): PAnsiChar; stdcall;
  external 'ntdll.dll' name 'RtlIpv4AddressToStringA';

result := DllCall("ntdll\RtlIpv4AddressToStringA"
    , "Ptr", Addr   ; IN_ADDR*
    , "Ptr", S   ; LPSTR out
    , "Ptr")   ; return: LPSTR

●RtlIpv4AddressToStringA(Addr, S) = DLL("ntdll.dll", "char* RtlIpv4AddressToStringA(void*, char*)")
# 呼び出し: RtlIpv4AddressToStringA(Addr, S)
# Addr : IN_ADDR* -> "void*"
# S : LPSTR out -> "char*"
# 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 "ntdll" fn RtlIpv4AddressToStringA(
    Addr: [*c]IN_ADDR, // IN_ADDR*
    S: [*c]u8 // LPSTR out
) callconv(std.os.windows.WINAPI) [*c]const u8;

proc RtlIpv4AddressToStringA(
    Addr: ptr IN_ADDR,  # IN_ADDR*
    S: ptr char  # LPSTR out
): cstring {.importc: "RtlIpv4AddressToStringA", stdcall, dynlib: "ntdll.dll".}

pragma(lib, "ntdll");
extern(Windows)
const(char)* RtlIpv4AddressToStringA(
    IN_ADDR* Addr,   // IN_ADDR*
    char* S   // LPSTR out
);

ccall((:RtlIpv4AddressToStringA, "ntdll.dll"), stdcall, Cstring,
      (Ptr{IN_ADDR}, Ptr{UInt8}),
      Addr, S)
# Addr : IN_ADDR* -> Ptr{IN_ADDR}
# S : LPSTR out -> Ptr{UInt8}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
const char* RtlIpv4AddressToStringA(
    void* Addr,
    char* S);
]]
local ntdll = ffi.load("ntdll")
-- ntdll.RtlIpv4AddressToStringA(Addr, S)
-- Addr : IN_ADDR*
-- S : LPSTR 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('ntdll.dll');
const RtlIpv4AddressToStringA = lib.func('__stdcall', 'RtlIpv4AddressToStringA', 'void *', ['void *', 'char *']);
// RtlIpv4AddressToStringA(Addr, S)
// Addr : IN_ADDR* -> 'void *'
// S : LPSTR out -> 'char *'
// 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("ntdll.dll", {
  RtlIpv4AddressToStringA: { parameters: ["pointer", "buffer"], result: "pointer" },
});
// lib.symbols.RtlIpv4AddressToStringA(Addr, S)
// Addr : IN_ADDR* -> "pointer"
// S : LPSTR out -> "buffer"
// 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
const char* RtlIpv4AddressToStringA(
    void* Addr,
    char* S);
C, "ntdll.dll");
// $ffi->RtlIpv4AddressToStringA(Addr, S);
// Addr : IN_ADDR*
// S : LPSTR 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 Ntdll extends StdCallLibrary {
    Ntdll INSTANCE = Native.load("ntdll", Ntdll.class, W32APIOptions.ASCII_OPTIONS);
    Pointer RtlIpv4AddressToStringA(
        Pointer Addr,   // IN_ADDR*
        byte[] S   // LPSTR out
    );
}

@[Link("ntdll")]
lib Libntdll
  fun RtlIpv4AddressToStringA = RtlIpv4AddressToStringA(
    Addr : IN_ADDR*,   # IN_ADDR*
    S : UInt8*   # LPSTR out
  ) : UInt8*
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 RtlIpv4AddressToStringANative = Pointer<Utf8> Function(Pointer<Void>, Pointer<Utf8>);
typedef RtlIpv4AddressToStringADart = Pointer<Utf8> Function(Pointer<Void>, Pointer<Utf8>);
final RtlIpv4AddressToStringA = DynamicLibrary.open('ntdll.dll')
    .lookupFunction<RtlIpv4AddressToStringANative, RtlIpv4AddressToStringADart>('RtlIpv4AddressToStringA');
// Addr : IN_ADDR* -> Pointer<Void>
// S : LPSTR out -> Pointer<Utf8>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function RtlIpv4AddressToStringA(
  Addr: Pointer;   // IN_ADDR*
  S: PAnsiChar   // LPSTR out
): PAnsiChar; stdcall;
  external 'ntdll.dll' name 'RtlIpv4AddressToStringA';

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

foreign import stdcall safe "RtlIpv4AddressToStringA"
  c_RtlIpv4AddressToStringA :: Ptr () -> CString -> IO CString
-- Addr : IN_ADDR* -> Ptr ()
-- S : LPSTR out -> CString
-- 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 rtlipv4addresstostringa =
  foreign "RtlIpv4AddressToStringA"
    ((ptr void) @-> string @-> returning string)
(* Addr : IN_ADDR* -> (ptr void) *)
(* S : LPSTR out -> string *)
(* 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 ntdll (t "ntdll.dll"))
(cffi:use-foreign-library ntdll)

(cffi:defcfun ("RtlIpv4AddressToStringA" rtl-ipv4-address-to-string-a :convention :stdcall) :string
  (addr :pointer)   ; IN_ADDR*
  (s :pointer))   ; LPSTR out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $RtlIpv4AddressToStringA = Win32::API::More->new('ntdll',
    'LPSTR RtlIpv4AddressToStringA(LPVOID Addr, LPSTR S)');
# my $ret = $RtlIpv4AddressToStringA->Call($Addr, $S);
# Addr : IN_ADDR* -> LPVOID
# S : LPSTR out -> LPSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。