WSAConnect

// WS2_32.dll
#include <windows.h>

INT WSAConnect(
    SOCKET s,
    const SOCKADDR* name,
    INT namelen,
    WSABUF* lpCallerData,   // optional
    WSABUF* lpCalleeData,   // optional
    QOS* lpSQOS,   // optional
    QOS* lpGQOS   // optional
);

<DllImport("WS2_32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WSAConnect(
    s As UIntPtr,   ' SOCKET
    name As IntPtr,   ' SOCKADDR*
    namelen As Integer,   ' INT
    lpCallerData As IntPtr,   ' WSABUF* optional
    lpCalleeData As IntPtr,   ' WSABUF* optional, out
    lpSQOS As IntPtr,   ' QOS* optional
    lpGQOS As IntPtr   ' QOS* optional
) As Integer
End Function

' s : SOCKET
' name : SOCKADDR*
' namelen : INT
' lpCallerData : WSABUF* optional
' lpCalleeData : WSABUF* optional, out
' lpSQOS : QOS* optional
' lpGQOS : QOS* optional
Declare PtrSafe Function WSAConnect Lib "ws2_32" ( _
    ByVal s As LongPtr, _
    ByVal name As LongPtr, _
    ByVal namelen As Long, _
    ByVal lpCallerData As LongPtr, _
    ByVal lpCalleeData As LongPtr, _
    ByVal lpSQOS As LongPtr, _
    ByVal lpGQOS 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

WSAConnect = ctypes.windll.ws2_32.WSAConnect
WSAConnect.restype = ctypes.c_int
WSAConnect.argtypes = [
    ctypes.c_size_t,  # s : SOCKET
    ctypes.c_void_p,  # name : SOCKADDR*
    ctypes.c_int,  # namelen : INT
    ctypes.c_void_p,  # lpCallerData : WSABUF* optional
    ctypes.c_void_p,  # lpCalleeData : WSABUF* optional, out
    ctypes.c_void_p,  # lpSQOS : QOS* optional
    ctypes.c_void_p,  # lpGQOS : QOS* optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WS2_32.dll')
WSAConnect = Fiddle::Function.new(
  lib['WSAConnect'],
  [
    Fiddle::TYPE_UINTPTR_T,  # s : SOCKET
    Fiddle::TYPE_VOIDP,  # name : SOCKADDR*
    Fiddle::TYPE_INT,  # namelen : INT
    Fiddle::TYPE_VOIDP,  # lpCallerData : WSABUF* optional
    Fiddle::TYPE_VOIDP,  # lpCalleeData : WSABUF* optional, out
    Fiddle::TYPE_VOIDP,  # lpSQOS : QOS* optional
    Fiddle::TYPE_VOIDP,  # lpGQOS : QOS* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "ws2_32")]
extern "system" {
    fn WSAConnect(
        s: usize,  // SOCKET
        name: *const SOCKADDR,  // SOCKADDR*
        namelen: i32,  // INT
        lpCallerData: *mut WSABUF,  // WSABUF* optional
        lpCalleeData: *mut WSABUF,  // WSABUF* optional, out
        lpSQOS: *mut QOS,  // QOS* optional
        lpGQOS: *mut QOS  // QOS* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WS2_32.dll", SetLastError = true)]
public static extern int WSAConnect(UIntPtr s, IntPtr name, int namelen, IntPtr lpCallerData, IntPtr lpCalleeData, IntPtr lpSQOS, IntPtr lpGQOS);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WS2_32_WSAConnect' -Namespace Win32 -PassThru
# $api::WSAConnect(s, name, namelen, lpCallerData, lpCalleeData, lpSQOS, lpGQOS)

#uselib "WS2_32.dll"
#func global WSAConnect "WSAConnect" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; WSAConnect s, varptr(name), namelen, varptr(lpCallerData), varptr(lpCalleeData), varptr(lpSQOS), varptr(lpGQOS)   ; 戻り値は stat
; s : SOCKET -> "sptr"
; name : SOCKADDR* -> "sptr"
; namelen : INT -> "sptr"
; lpCallerData : WSABUF* optional -> "sptr"
; lpCalleeData : WSABUF* optional, out -> "sptr"
; lpSQOS : QOS* optional -> "sptr"
; lpGQOS : QOS* optional -> "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")
	procWSAConnect = ws2_32.NewProc("WSAConnect")
)

// s (SOCKET), name (SOCKADDR*), namelen (INT), lpCallerData (WSABUF* optional), lpCalleeData (WSABUF* optional, out), lpSQOS (QOS* optional), lpGQOS (QOS* optional)
r1, _, err := procWSAConnect.Call(
	uintptr(s),
	uintptr(name),
	uintptr(namelen),
	uintptr(lpCallerData),
	uintptr(lpCalleeData),
	uintptr(lpSQOS),
	uintptr(lpGQOS),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function WSAConnect(
  s: NativeUInt;   // SOCKET
  name: Pointer;   // SOCKADDR*
  namelen: Integer;   // INT
  lpCallerData: Pointer;   // WSABUF* optional
  lpCalleeData: Pointer;   // WSABUF* optional, out
  lpSQOS: Pointer;   // QOS* optional
  lpGQOS: Pointer   // QOS* optional
): Integer; stdcall;
  external 'WS2_32.dll' name 'WSAConnect';

result := DllCall("WS2_32\WSAConnect"
    , "UPtr", s   ; SOCKET
    , "Ptr", name   ; SOCKADDR*
    , "Int", namelen   ; INT
    , "Ptr", lpCallerData   ; WSABUF* optional
    , "Ptr", lpCalleeData   ; WSABUF* optional, out
    , "Ptr", lpSQOS   ; QOS* optional
    , "Ptr", lpGQOS   ; QOS* optional
    , "Int")   ; return: INT

●WSAConnect(s, name, namelen, lpCallerData, lpCalleeData, lpSQOS, lpGQOS) = DLL("WS2_32.dll", "int WSAConnect(int, void*, int, void*, void*, void*, void*)")
# 呼び出し: WSAConnect(s, name, namelen, lpCallerData, lpCalleeData, lpSQOS, lpGQOS)
# s : SOCKET -> "int"
# name : SOCKADDR* -> "void*"
# namelen : INT -> "int"
# lpCallerData : WSABUF* optional -> "void*"
# lpCalleeData : WSABUF* optional, out -> "void*"
# lpSQOS : QOS* optional -> "void*"
# lpGQOS : QOS* optional -> "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 WSAConnect(
    s: usize, // SOCKET
    name: [*c]SOCKADDR, // SOCKADDR*
    namelen: i32, // INT
    lpCallerData: [*c]WSABUF, // WSABUF* optional
    lpCalleeData: [*c]WSABUF, // WSABUF* optional, out
    lpSQOS: [*c]QOS, // QOS* optional
    lpGQOS: [*c]QOS // QOS* optional
) callconv(std.os.windows.WINAPI) i32;

proc WSAConnect(
    s: uint,  # SOCKET
    name: ptr SOCKADDR,  # SOCKADDR*
    namelen: int32,  # INT
    lpCallerData: ptr WSABUF,  # WSABUF* optional
    lpCalleeData: ptr WSABUF,  # WSABUF* optional, out
    lpSQOS: ptr QOS,  # QOS* optional
    lpGQOS: ptr QOS  # QOS* optional
): int32 {.importc: "WSAConnect", stdcall, dynlib: "WS2_32.dll".}

pragma(lib, "ws2_32");
extern(Windows)
int WSAConnect(
    size_t s,   // SOCKET
    SOCKADDR* name,   // SOCKADDR*
    int namelen,   // INT
    WSABUF* lpCallerData,   // WSABUF* optional
    WSABUF* lpCalleeData,   // WSABUF* optional, out
    QOS* lpSQOS,   // QOS* optional
    QOS* lpGQOS   // QOS* optional
);

ccall((:WSAConnect, "WS2_32.dll"), stdcall, Int32,
      (Csize_t, Ptr{SOCKADDR}, Int32, Ptr{WSABUF}, Ptr{WSABUF}, Ptr{QOS}, Ptr{QOS}),
      s, name, namelen, lpCallerData, lpCalleeData, lpSQOS, lpGQOS)
# s : SOCKET -> Csize_t
# name : SOCKADDR* -> Ptr{SOCKADDR}
# namelen : INT -> Int32
# lpCallerData : WSABUF* optional -> Ptr{WSABUF}
# lpCalleeData : WSABUF* optional, out -> Ptr{WSABUF}
# lpSQOS : QOS* optional -> Ptr{QOS}
# lpGQOS : QOS* optional -> Ptr{QOS}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t WSAConnect(
    uintptr_t s,
    void* name,
    int32_t namelen,
    void* lpCallerData,
    void* lpCalleeData,
    void* lpSQOS,
    void* lpGQOS);
]]
local ws2_32 = ffi.load("ws2_32")
-- ws2_32.WSAConnect(s, name, namelen, lpCallerData, lpCalleeData, lpSQOS, lpGQOS)
-- s : SOCKET
-- name : SOCKADDR*
-- namelen : INT
-- lpCallerData : WSABUF* optional
-- lpCalleeData : WSABUF* optional, out
-- lpSQOS : QOS* optional
-- lpGQOS : QOS* optional
-- 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 WSAConnect = lib.func('__stdcall', 'WSAConnect', 'int32_t', ['uintptr_t', 'void *', 'int32_t', 'void *', 'void *', 'void *', 'void *']);
// WSAConnect(s, name, namelen, lpCallerData, lpCalleeData, lpSQOS, lpGQOS)
// s : SOCKET -> 'uintptr_t'
// name : SOCKADDR* -> 'void *'
// namelen : INT -> 'int32_t'
// lpCallerData : WSABUF* optional -> 'void *'
// lpCalleeData : WSABUF* optional, out -> 'void *'
// lpSQOS : QOS* optional -> 'void *'
// lpGQOS : QOS* optional -> '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("WS2_32.dll", {
  WSAConnect: { parameters: ["usize", "pointer", "i32", "pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.WSAConnect(s, name, namelen, lpCallerData, lpCalleeData, lpSQOS, lpGQOS)
// s : SOCKET -> "usize"
// name : SOCKADDR* -> "pointer"
// namelen : INT -> "i32"
// lpCallerData : WSABUF* optional -> "pointer"
// lpCalleeData : WSABUF* optional, out -> "pointer"
// lpSQOS : QOS* optional -> "pointer"
// lpGQOS : QOS* optional -> "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
int32_t WSAConnect(
    size_t s,
    void* name,
    int32_t namelen,
    void* lpCallerData,
    void* lpCalleeData,
    void* lpSQOS,
    void* lpGQOS);
C, "WS2_32.dll");
// $ffi->WSAConnect(s, name, namelen, lpCallerData, lpCalleeData, lpSQOS, lpGQOS);
// s : SOCKET
// name : SOCKADDR*
// namelen : INT
// lpCallerData : WSABUF* optional
// lpCalleeData : WSABUF* optional, out
// lpSQOS : QOS* optional
// lpGQOS : QOS* optional
// 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);
    int WSAConnect(
        long s,   // SOCKET
        Pointer name,   // SOCKADDR*
        int namelen,   // INT
        Pointer lpCallerData,   // WSABUF* optional
        Pointer lpCalleeData,   // WSABUF* optional, out
        Pointer lpSQOS,   // QOS* optional
        Pointer lpGQOS   // QOS* optional
    );
}

@[Link("ws2_32")]
lib LibWS2_32
  fun WSAConnect = WSAConnect(
    s : LibC::SizeT,   # SOCKET
    name : SOCKADDR*,   # SOCKADDR*
    namelen : Int32,   # INT
    lpCallerData : WSABUF*,   # WSABUF* optional
    lpCalleeData : WSABUF*,   # WSABUF* optional, out
    lpSQOS : QOS*,   # QOS* optional
    lpGQOS : QOS*   # QOS* optional
  ) : 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 WSAConnectNative = Int32 Function(UintPtr, Pointer<Void>, Int32, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef WSAConnectDart = int Function(int, Pointer<Void>, int, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>);
final WSAConnect = DynamicLibrary.open('WS2_32.dll')
    .lookupFunction<WSAConnectNative, WSAConnectDart>('WSAConnect');
// s : SOCKET -> UintPtr
// name : SOCKADDR* -> Pointer<Void>
// namelen : INT -> Int32
// lpCallerData : WSABUF* optional -> Pointer<Void>
// lpCalleeData : WSABUF* optional, out -> Pointer<Void>
// lpSQOS : QOS* optional -> Pointer<Void>
// lpGQOS : QOS* optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WSAConnect(
  s: NativeUInt;   // SOCKET
  name: Pointer;   // SOCKADDR*
  namelen: Integer;   // INT
  lpCallerData: Pointer;   // WSABUF* optional
  lpCalleeData: Pointer;   // WSABUF* optional, out
  lpSQOS: Pointer;   // QOS* optional
  lpGQOS: Pointer   // QOS* optional
): Integer; stdcall;
  external 'WS2_32.dll' name 'WSAConnect';

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

foreign import stdcall safe "WSAConnect"
  c_WSAConnect :: CUIntPtr -> Ptr () -> Int32 -> Ptr () -> Ptr () -> Ptr () -> Ptr () -> IO Int32
-- s : SOCKET -> CUIntPtr
-- name : SOCKADDR* -> Ptr ()
-- namelen : INT -> Int32
-- lpCallerData : WSABUF* optional -> Ptr ()
-- lpCalleeData : WSABUF* optional, out -> Ptr ()
-- lpSQOS : QOS* optional -> Ptr ()
-- lpGQOS : QOS* optional -> 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 wsaconnect =
  foreign "WSAConnect"
    (size_t @-> (ptr void) @-> int32_t @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* s : SOCKET -> size_t *)
(* name : SOCKADDR* -> (ptr void) *)
(* namelen : INT -> int32_t *)
(* lpCallerData : WSABUF* optional -> (ptr void) *)
(* lpCalleeData : WSABUF* optional, out -> (ptr void) *)
(* lpSQOS : QOS* optional -> (ptr void) *)
(* lpGQOS : QOS* optional -> (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 ws2_32 (t "WS2_32.dll"))
(cffi:use-foreign-library ws2_32)

(cffi:defcfun ("WSAConnect" wsaconnect :convention :stdcall) :int32
  (s :uint64)   ; SOCKET
  (name :pointer)   ; SOCKADDR*
  (namelen :int32)   ; INT
  (lp-caller-data :pointer)   ; WSABUF* optional
  (lp-callee-data :pointer)   ; WSABUF* optional, out
  (lp-sqos :pointer)   ; QOS* optional
  (lp-gqos :pointer))   ; QOS* optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WSAConnect = Win32::API::More->new('WS2_32',
    'int WSAConnect(WPARAM s, LPVOID name, int namelen, LPVOID lpCallerData, LPVOID lpCalleeData, LPVOID lpSQOS, LPVOID lpGQOS)');
# my $ret = $WSAConnect->Call($s, $name, $namelen, $lpCallerData, $lpCalleeData, $lpSQOS, $lpGQOS);
# s : SOCKET -> WPARAM
# name : SOCKADDR* -> LPVOID
# namelen : INT -> int
# lpCallerData : WSABUF* optional -> LPVOID
# lpCalleeData : WSABUF* optional, out -> LPVOID
# lpSQOS : QOS* optional -> LPVOID
# lpGQOS : QOS* optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。