WSAAddressToStringA

// WS2_32.dll  (ANSI / -A)
#include <windows.h>

INT WSAAddressToStringA(
    SOCKADDR* lpsaAddress,
    DWORD dwAddressLength,
    WSAPROTOCOL_INFOA* lpProtocolInfo,   // optional
    LPSTR lpszAddressString,
    DWORD* lpdwAddressStringLength
);

<DllImport("WS2_32.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WSAAddressToStringA(
    lpsaAddress As IntPtr,   ' SOCKADDR*
    dwAddressLength As UInteger,   ' DWORD
    lpProtocolInfo As IntPtr,   ' WSAPROTOCOL_INFOA* optional
    <MarshalAs(UnmanagedType.LPStr)> lpszAddressString As System.Text.StringBuilder,   ' LPSTR out
    ByRef lpdwAddressStringLength As UInteger   ' DWORD* in/out
) As Integer
End Function

' lpsaAddress : SOCKADDR*
' dwAddressLength : DWORD
' lpProtocolInfo : WSAPROTOCOL_INFOA* optional
' lpszAddressString : LPSTR out
' lpdwAddressStringLength : DWORD* in/out
Declare PtrSafe Function WSAAddressToStringA Lib "ws2_32" ( _
    ByVal lpsaAddress As LongPtr, _
    ByVal dwAddressLength As Long, _
    ByVal lpProtocolInfo As LongPtr, _
    ByVal lpszAddressString As String, _
    ByRef lpdwAddressStringLength 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

WSAAddressToStringA = ctypes.windll.ws2_32.WSAAddressToStringA
WSAAddressToStringA.restype = ctypes.c_int
WSAAddressToStringA.argtypes = [
    ctypes.c_void_p,  # lpsaAddress : SOCKADDR*
    wintypes.DWORD,  # dwAddressLength : DWORD
    ctypes.c_void_p,  # lpProtocolInfo : WSAPROTOCOL_INFOA* optional
    wintypes.LPSTR,  # lpszAddressString : LPSTR out
    ctypes.POINTER(wintypes.DWORD),  # lpdwAddressStringLength : DWORD* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WS2_32.dll')
WSAAddressToStringA = Fiddle::Function.new(
  lib['WSAAddressToStringA'],
  [
    Fiddle::TYPE_VOIDP,  # lpsaAddress : SOCKADDR*
    -Fiddle::TYPE_INT,  # dwAddressLength : DWORD
    Fiddle::TYPE_VOIDP,  # lpProtocolInfo : WSAPROTOCOL_INFOA* optional
    Fiddle::TYPE_VOIDP,  # lpszAddressString : LPSTR out
    Fiddle::TYPE_VOIDP,  # lpdwAddressStringLength : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ws2_32")]
extern "system" {
    fn WSAAddressToStringA(
        lpsaAddress: *mut SOCKADDR,  // SOCKADDR*
        dwAddressLength: u32,  // DWORD
        lpProtocolInfo: *mut WSAPROTOCOL_INFOA,  // WSAPROTOCOL_INFOA* optional
        lpszAddressString: *mut u8,  // LPSTR out
        lpdwAddressStringLength: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WS2_32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern int WSAAddressToStringA(IntPtr lpsaAddress, uint dwAddressLength, IntPtr lpProtocolInfo, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpszAddressString, ref uint lpdwAddressStringLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WS2_32_WSAAddressToStringA' -Namespace Win32 -PassThru
# $api::WSAAddressToStringA(lpsaAddress, dwAddressLength, lpProtocolInfo, lpszAddressString, lpdwAddressStringLength)

#uselib "WS2_32.dll"
#func global WSAAddressToStringA "WSAAddressToStringA" sptr, sptr, sptr, sptr, sptr
; WSAAddressToStringA varptr(lpsaAddress), dwAddressLength, varptr(lpProtocolInfo), varptr(lpszAddressString), varptr(lpdwAddressStringLength)   ; 戻り値は stat
; lpsaAddress : SOCKADDR* -> "sptr"
; dwAddressLength : DWORD -> "sptr"
; lpProtocolInfo : WSAPROTOCOL_INFOA* optional -> "sptr"
; lpszAddressString : LPSTR out -> "sptr"
; lpdwAddressStringLength : DWORD* in/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 (
	ws2_32 = windows.NewLazySystemDLL("WS2_32.dll")
	procWSAAddressToStringA = ws2_32.NewProc("WSAAddressToStringA")
)

// lpsaAddress (SOCKADDR*), dwAddressLength (DWORD), lpProtocolInfo (WSAPROTOCOL_INFOA* optional), lpszAddressString (LPSTR out), lpdwAddressStringLength (DWORD* in/out)
r1, _, err := procWSAAddressToStringA.Call(
	uintptr(lpsaAddress),
	uintptr(dwAddressLength),
	uintptr(lpProtocolInfo),
	uintptr(lpszAddressString),
	uintptr(lpdwAddressStringLength),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function WSAAddressToStringA(
  lpsaAddress: Pointer;   // SOCKADDR*
  dwAddressLength: DWORD;   // DWORD
  lpProtocolInfo: Pointer;   // WSAPROTOCOL_INFOA* optional
  lpszAddressString: PAnsiChar;   // LPSTR out
  lpdwAddressStringLength: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'WS2_32.dll' name 'WSAAddressToStringA';

result := DllCall("WS2_32\WSAAddressToStringA"
    , "Ptr", lpsaAddress   ; SOCKADDR*
    , "UInt", dwAddressLength   ; DWORD
    , "Ptr", lpProtocolInfo   ; WSAPROTOCOL_INFOA* optional
    , "Ptr", lpszAddressString   ; LPSTR out
    , "Ptr", lpdwAddressStringLength   ; DWORD* in/out
    , "Int")   ; return: INT

●WSAAddressToStringA(lpsaAddress, dwAddressLength, lpProtocolInfo, lpszAddressString, lpdwAddressStringLength) = DLL("WS2_32.dll", "int WSAAddressToStringA(void*, dword, void*, char*, void*)")
# 呼び出し: WSAAddressToStringA(lpsaAddress, dwAddressLength, lpProtocolInfo, lpszAddressString, lpdwAddressStringLength)
# lpsaAddress : SOCKADDR* -> "void*"
# dwAddressLength : DWORD -> "dword"
# lpProtocolInfo : WSAPROTOCOL_INFOA* optional -> "void*"
# lpszAddressString : LPSTR out -> "char*"
# lpdwAddressStringLength : DWORD* 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 "ws2_32" fn WSAAddressToStringA(
    lpsaAddress: [*c]SOCKADDR, // SOCKADDR*
    dwAddressLength: u32, // DWORD
    lpProtocolInfo: [*c]WSAPROTOCOL_INFOA, // WSAPROTOCOL_INFOA* optional
    lpszAddressString: [*c]u8, // LPSTR out
    lpdwAddressStringLength: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) i32;

proc WSAAddressToStringA(
    lpsaAddress: ptr SOCKADDR,  # SOCKADDR*
    dwAddressLength: uint32,  # DWORD
    lpProtocolInfo: ptr WSAPROTOCOL_INFOA,  # WSAPROTOCOL_INFOA* optional
    lpszAddressString: ptr char,  # LPSTR out
    lpdwAddressStringLength: ptr uint32  # DWORD* in/out
): int32 {.importc: "WSAAddressToStringA", stdcall, dynlib: "WS2_32.dll".}

pragma(lib, "ws2_32");
extern(Windows)
int WSAAddressToStringA(
    SOCKADDR* lpsaAddress,   // SOCKADDR*
    uint dwAddressLength,   // DWORD
    WSAPROTOCOL_INFOA* lpProtocolInfo,   // WSAPROTOCOL_INFOA* optional
    char* lpszAddressString,   // LPSTR out
    uint* lpdwAddressStringLength   // DWORD* in/out
);

ccall((:WSAAddressToStringA, "WS2_32.dll"), stdcall, Int32,
      (Ptr{SOCKADDR}, UInt32, Ptr{WSAPROTOCOL_INFOA}, Ptr{UInt8}, Ptr{UInt32}),
      lpsaAddress, dwAddressLength, lpProtocolInfo, lpszAddressString, lpdwAddressStringLength)
# lpsaAddress : SOCKADDR* -> Ptr{SOCKADDR}
# dwAddressLength : DWORD -> UInt32
# lpProtocolInfo : WSAPROTOCOL_INFOA* optional -> Ptr{WSAPROTOCOL_INFOA}
# lpszAddressString : LPSTR out -> Ptr{UInt8}
# lpdwAddressStringLength : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t WSAAddressToStringA(
    void* lpsaAddress,
    uint32_t dwAddressLength,
    void* lpProtocolInfo,
    char* lpszAddressString,
    uint32_t* lpdwAddressStringLength);
]]
local ws2_32 = ffi.load("ws2_32")
-- ws2_32.WSAAddressToStringA(lpsaAddress, dwAddressLength, lpProtocolInfo, lpszAddressString, lpdwAddressStringLength)
-- lpsaAddress : SOCKADDR*
-- dwAddressLength : DWORD
-- lpProtocolInfo : WSAPROTOCOL_INFOA* optional
-- lpszAddressString : LPSTR out
-- lpdwAddressStringLength : DWORD* 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('WS2_32.dll');
const WSAAddressToStringA = lib.func('__stdcall', 'WSAAddressToStringA', 'int32_t', ['void *', 'uint32_t', 'void *', 'char *', 'uint32_t *']);
// WSAAddressToStringA(lpsaAddress, dwAddressLength, lpProtocolInfo, lpszAddressString, lpdwAddressStringLength)
// lpsaAddress : SOCKADDR* -> 'void *'
// dwAddressLength : DWORD -> 'uint32_t'
// lpProtocolInfo : WSAPROTOCOL_INFOA* optional -> 'void *'
// lpszAddressString : LPSTR out -> 'char *'
// lpdwAddressStringLength : DWORD* in/out -> '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("WS2_32.dll", {
  WSAAddressToStringA: { parameters: ["pointer", "u32", "pointer", "buffer", "pointer"], result: "i32" },
});
// lib.symbols.WSAAddressToStringA(lpsaAddress, dwAddressLength, lpProtocolInfo, lpszAddressString, lpdwAddressStringLength)
// lpsaAddress : SOCKADDR* -> "pointer"
// dwAddressLength : DWORD -> "u32"
// lpProtocolInfo : WSAPROTOCOL_INFOA* optional -> "pointer"
// lpszAddressString : LPSTR out -> "buffer"
// lpdwAddressStringLength : DWORD* in/out -> "pointer"
// 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
int32_t WSAAddressToStringA(
    void* lpsaAddress,
    uint32_t dwAddressLength,
    void* lpProtocolInfo,
    char* lpszAddressString,
    uint32_t* lpdwAddressStringLength);
C, "WS2_32.dll");
// $ffi->WSAAddressToStringA(lpsaAddress, dwAddressLength, lpProtocolInfo, lpszAddressString, lpdwAddressStringLength);
// lpsaAddress : SOCKADDR*
// dwAddressLength : DWORD
// lpProtocolInfo : WSAPROTOCOL_INFOA* optional
// lpszAddressString : LPSTR out
// lpdwAddressStringLength : DWORD* 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 Ws2_32 extends StdCallLibrary {
    Ws2_32 INSTANCE = Native.load("ws2_32", Ws2_32.class, W32APIOptions.ASCII_OPTIONS);
    int WSAAddressToStringA(
        Pointer lpsaAddress,   // SOCKADDR*
        int dwAddressLength,   // DWORD
        Pointer lpProtocolInfo,   // WSAPROTOCOL_INFOA* optional
        byte[] lpszAddressString,   // LPSTR out
        IntByReference lpdwAddressStringLength   // DWORD* in/out
    );
}

@[Link("ws2_32")]
lib LibWS2_32
  fun WSAAddressToStringA = WSAAddressToStringA(
    lpsaAddress : SOCKADDR*,   # SOCKADDR*
    dwAddressLength : UInt32,   # DWORD
    lpProtocolInfo : WSAPROTOCOL_INFOA*,   # WSAPROTOCOL_INFOA* optional
    lpszAddressString : UInt8*,   # LPSTR out
    lpdwAddressStringLength : UInt32*   # DWORD* in/out
  ) : Int32
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 WSAAddressToStringANative = Int32 Function(Pointer<Void>, Uint32, Pointer<Void>, Pointer<Utf8>, Pointer<Uint32>);
typedef WSAAddressToStringADart = int Function(Pointer<Void>, int, Pointer<Void>, Pointer<Utf8>, Pointer<Uint32>);
final WSAAddressToStringA = DynamicLibrary.open('WS2_32.dll')
    .lookupFunction<WSAAddressToStringANative, WSAAddressToStringADart>('WSAAddressToStringA');
// lpsaAddress : SOCKADDR* -> Pointer<Void>
// dwAddressLength : DWORD -> Uint32
// lpProtocolInfo : WSAPROTOCOL_INFOA* optional -> Pointer<Void>
// lpszAddressString : LPSTR out -> Pointer<Utf8>
// lpdwAddressStringLength : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WSAAddressToStringA(
  lpsaAddress: Pointer;   // SOCKADDR*
  dwAddressLength: DWORD;   // DWORD
  lpProtocolInfo: Pointer;   // WSAPROTOCOL_INFOA* optional
  lpszAddressString: PAnsiChar;   // LPSTR out
  lpdwAddressStringLength: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'WS2_32.dll' name 'WSAAddressToStringA';

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

foreign import stdcall safe "WSAAddressToStringA"
  c_WSAAddressToStringA :: Ptr () -> Word32 -> Ptr () -> CString -> Ptr Word32 -> IO Int32
-- lpsaAddress : SOCKADDR* -> Ptr ()
-- dwAddressLength : DWORD -> Word32
-- lpProtocolInfo : WSAPROTOCOL_INFOA* optional -> Ptr ()
-- lpszAddressString : LPSTR out -> CString
-- lpdwAddressStringLength : DWORD* in/out -> Ptr 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 wsaaddresstostringa =
  foreign "WSAAddressToStringA"
    ((ptr void) @-> uint32_t @-> (ptr void) @-> string @-> (ptr uint32_t) @-> returning int32_t)
(* lpsaAddress : SOCKADDR* -> (ptr void) *)
(* dwAddressLength : DWORD -> uint32_t *)
(* lpProtocolInfo : WSAPROTOCOL_INFOA* optional -> (ptr void) *)
(* lpszAddressString : LPSTR out -> string *)
(* lpdwAddressStringLength : DWORD* in/out -> (ptr 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 ws2_32 (t "WS2_32.dll"))
(cffi:use-foreign-library ws2_32)

(cffi:defcfun ("WSAAddressToStringA" wsaaddress-to-string-a :convention :stdcall) :int32
  (lpsa-address :pointer)   ; SOCKADDR*
  (dw-address-length :uint32)   ; DWORD
  (lp-protocol-info :pointer)   ; WSAPROTOCOL_INFOA* optional
  (lpsz-address-string :pointer)   ; LPSTR out
  (lpdw-address-string-length :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WSAAddressToStringA = Win32::API::More->new('WS2_32',
    'int WSAAddressToStringA(LPVOID lpsaAddress, DWORD dwAddressLength, LPVOID lpProtocolInfo, LPSTR lpszAddressString, LPVOID lpdwAddressStringLength)');
# my $ret = $WSAAddressToStringA->Call($lpsaAddress, $dwAddressLength, $lpProtocolInfo, $lpszAddressString, $lpdwAddressStringLength);
# lpsaAddress : SOCKADDR* -> LPVOID
# dwAddressLength : DWORD -> DWORD
# lpProtocolInfo : WSAPROTOCOL_INFOA* optional -> LPVOID
# lpszAddressString : LPSTR out -> LPSTR
# lpdwAddressStringLength : DWORD* 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。