WSAAsyncGetProtoByName

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

HANDLE WSAAsyncGetProtoByName(
    HWND hWnd,
    DWORD wMsg,
    LPCSTR name,
    LPSTR buf,
    INT buflen
);

<DllImport("WS2_32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WSAAsyncGetProtoByName(
    hWnd As IntPtr,   ' HWND
    wMsg As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPStr)> name As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> buf As System.Text.StringBuilder,   ' LPSTR out
    buflen As Integer   ' INT
) As IntPtr
End Function

' hWnd : HWND
' wMsg : DWORD
' name : LPCSTR
' buf : LPSTR out
' buflen : INT
Declare PtrSafe Function WSAAsyncGetProtoByName Lib "ws2_32" ( _
    ByVal hWnd As LongPtr, _
    ByVal wMsg As Long, _
    ByVal name As String, _
    ByVal buf As String, _
    ByVal buflen As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WSAAsyncGetProtoByName = ctypes.windll.ws2_32.WSAAsyncGetProtoByName
WSAAsyncGetProtoByName.restype = ctypes.c_void_p
WSAAsyncGetProtoByName.argtypes = [
    wintypes.HANDLE,  # hWnd : HWND
    wintypes.DWORD,  # wMsg : DWORD
    wintypes.LPCSTR,  # name : LPCSTR
    wintypes.LPSTR,  # buf : LPSTR out
    ctypes.c_int,  # buflen : INT
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WS2_32.dll')
WSAAsyncGetProtoByName = Fiddle::Function.new(
  lib['WSAAsyncGetProtoByName'],
  [
    Fiddle::TYPE_VOIDP,  # hWnd : HWND
    -Fiddle::TYPE_INT,  # wMsg : DWORD
    Fiddle::TYPE_VOIDP,  # name : LPCSTR
    Fiddle::TYPE_VOIDP,  # buf : LPSTR out
    Fiddle::TYPE_INT,  # buflen : INT
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "ws2_32")]
extern "system" {
    fn WSAAsyncGetProtoByName(
        hWnd: *mut core::ffi::c_void,  // HWND
        wMsg: u32,  // DWORD
        name: *const u8,  // LPCSTR
        buf: *mut u8,  // LPSTR out
        buflen: i32  // INT
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WS2_32.dll", SetLastError = true)]
public static extern IntPtr WSAAsyncGetProtoByName(IntPtr hWnd, uint wMsg, [MarshalAs(UnmanagedType.LPStr)] string name, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder buf, int buflen);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WS2_32_WSAAsyncGetProtoByName' -Namespace Win32 -PassThru
# $api::WSAAsyncGetProtoByName(hWnd, wMsg, name, buf, buflen)

#uselib "WS2_32.dll"
#func global WSAAsyncGetProtoByName "WSAAsyncGetProtoByName" sptr, sptr, sptr, sptr, sptr
; WSAAsyncGetProtoByName hWnd, wMsg, name, varptr(buf), buflen   ; 戻り値は stat
; hWnd : HWND -> "sptr"
; wMsg : DWORD -> "sptr"
; name : LPCSTR -> "sptr"
; buf : LPSTR out -> "sptr"
; buflen : INT -> "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")
	procWSAAsyncGetProtoByName = ws2_32.NewProc("WSAAsyncGetProtoByName")
)

// hWnd (HWND), wMsg (DWORD), name (LPCSTR), buf (LPSTR out), buflen (INT)
r1, _, err := procWSAAsyncGetProtoByName.Call(
	uintptr(hWnd),
	uintptr(wMsg),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(name))),
	uintptr(buf),
	uintptr(buflen),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HANDLE

function WSAAsyncGetProtoByName(
  hWnd: THandle;   // HWND
  wMsg: DWORD;   // DWORD
  name: PAnsiChar;   // LPCSTR
  buf: PAnsiChar;   // LPSTR out
  buflen: Integer   // INT
): THandle; stdcall;
  external 'WS2_32.dll' name 'WSAAsyncGetProtoByName';

result := DllCall("WS2_32\WSAAsyncGetProtoByName"
    , "Ptr", hWnd   ; HWND
    , "UInt", wMsg   ; DWORD
    , "AStr", name   ; LPCSTR
    , "Ptr", buf   ; LPSTR out
    , "Int", buflen   ; INT
    , "Ptr")   ; return: HANDLE

●WSAAsyncGetProtoByName(hWnd, wMsg, name, buf, buflen) = DLL("WS2_32.dll", "void* WSAAsyncGetProtoByName(void*, dword, char*, char*, int)")
# 呼び出し: WSAAsyncGetProtoByName(hWnd, wMsg, name, buf, buflen)
# hWnd : HWND -> "void*"
# wMsg : DWORD -> "dword"
# name : LPCSTR -> "char*"
# buf : LPSTR out -> "char*"
# buflen : INT -> "int"
# 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 WSAAsyncGetProtoByName(
    hWnd: ?*anyopaque, // HWND
    wMsg: u32, // DWORD
    name: [*c]const u8, // LPCSTR
    buf: [*c]u8, // LPSTR out
    buflen: i32 // INT
) callconv(std.os.windows.WINAPI) ?*anyopaque;

proc WSAAsyncGetProtoByName(
    hWnd: pointer,  # HWND
    wMsg: uint32,  # DWORD
    name: cstring,  # LPCSTR
    buf: ptr char,  # LPSTR out
    buflen: int32  # INT
): pointer {.importc: "WSAAsyncGetProtoByName", stdcall, dynlib: "WS2_32.dll".}

pragma(lib, "ws2_32");
extern(Windows)
void* WSAAsyncGetProtoByName(
    void* hWnd,   // HWND
    uint wMsg,   // DWORD
    const(char)* name,   // LPCSTR
    char* buf,   // LPSTR out
    int buflen   // INT
);

ccall((:WSAAsyncGetProtoByName, "WS2_32.dll"), stdcall, Ptr{Cvoid},
      (Ptr{Cvoid}, UInt32, Cstring, Ptr{UInt8}, Int32),
      hWnd, wMsg, name, buf, buflen)
# hWnd : HWND -> Ptr{Cvoid}
# wMsg : DWORD -> UInt32
# name : LPCSTR -> Cstring
# buf : LPSTR out -> Ptr{UInt8}
# buflen : INT -> Int32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void* WSAAsyncGetProtoByName(
    void* hWnd,
    uint32_t wMsg,
    const char* name,
    char* buf,
    int32_t buflen);
]]
local ws2_32 = ffi.load("ws2_32")
-- ws2_32.WSAAsyncGetProtoByName(hWnd, wMsg, name, buf, buflen)
-- hWnd : HWND
-- wMsg : DWORD
-- name : LPCSTR
-- buf : LPSTR out
-- buflen : INT
-- 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 WSAAsyncGetProtoByName = lib.func('__stdcall', 'WSAAsyncGetProtoByName', 'void *', ['void *', 'uint32_t', 'str', 'char *', 'int32_t']);
// WSAAsyncGetProtoByName(hWnd, wMsg, name, buf, buflen)
// hWnd : HWND -> 'void *'
// wMsg : DWORD -> 'uint32_t'
// name : LPCSTR -> 'str'
// buf : LPSTR out -> 'char *'
// buflen : INT -> 'int32_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", {
  WSAAsyncGetProtoByName: { parameters: ["pointer", "u32", "buffer", "buffer", "i32"], result: "pointer" },
});
// lib.symbols.WSAAsyncGetProtoByName(hWnd, wMsg, name, buf, buflen)
// hWnd : HWND -> "pointer"
// wMsg : DWORD -> "u32"
// name : LPCSTR -> "buffer"
// buf : LPSTR out -> "buffer"
// buflen : INT -> "i32"
// 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* WSAAsyncGetProtoByName(
    void* hWnd,
    uint32_t wMsg,
    const char* name,
    char* buf,
    int32_t buflen);
C, "WS2_32.dll");
// $ffi->WSAAsyncGetProtoByName(hWnd, wMsg, name, buf, buflen);
// hWnd : HWND
// wMsg : DWORD
// name : LPCSTR
// buf : LPSTR out
// buflen : INT
// 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);
    Pointer WSAAsyncGetProtoByName(
        Pointer hWnd,   // HWND
        int wMsg,   // DWORD
        String name,   // LPCSTR
        byte[] buf,   // LPSTR out
        int buflen   // INT
    );
}

@[Link("ws2_32")]
lib LibWS2_32
  fun WSAAsyncGetProtoByName = WSAAsyncGetProtoByName(
    hWnd : Void*,   # HWND
    wMsg : UInt32,   # DWORD
    name : UInt8*,   # LPCSTR
    buf : UInt8*,   # LPSTR out
    buflen : Int32   # INT
  ) : 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 WSAAsyncGetProtoByNameNative = Pointer<Void> Function(Pointer<Void>, Uint32, Pointer<Utf8>, Pointer<Utf8>, Int32);
typedef WSAAsyncGetProtoByNameDart = Pointer<Void> Function(Pointer<Void>, int, Pointer<Utf8>, Pointer<Utf8>, int);
final WSAAsyncGetProtoByName = DynamicLibrary.open('WS2_32.dll')
    .lookupFunction<WSAAsyncGetProtoByNameNative, WSAAsyncGetProtoByNameDart>('WSAAsyncGetProtoByName');
// hWnd : HWND -> Pointer<Void>
// wMsg : DWORD -> Uint32
// name : LPCSTR -> Pointer<Utf8>
// buf : LPSTR out -> Pointer<Utf8>
// buflen : INT -> Int32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WSAAsyncGetProtoByName(
  hWnd: THandle;   // HWND
  wMsg: DWORD;   // DWORD
  name: PAnsiChar;   // LPCSTR
  buf: PAnsiChar;   // LPSTR out
  buflen: Integer   // INT
): THandle; stdcall;
  external 'WS2_32.dll' name 'WSAAsyncGetProtoByName';

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

foreign import stdcall safe "WSAAsyncGetProtoByName"
  c_WSAAsyncGetProtoByName :: Ptr () -> Word32 -> CString -> CString -> Int32 -> IO (Ptr ())
-- hWnd : HWND -> Ptr ()
-- wMsg : DWORD -> Word32
-- name : LPCSTR -> CString
-- buf : LPSTR out -> CString
-- buflen : INT -> Int32
-- 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 wsaasyncgetprotobyname =
  foreign "WSAAsyncGetProtoByName"
    ((ptr void) @-> uint32_t @-> string @-> string @-> int32_t @-> returning (ptr void))
(* hWnd : HWND -> (ptr void) *)
(* wMsg : DWORD -> uint32_t *)
(* name : LPCSTR -> string *)
(* buf : LPSTR out -> string *)
(* buflen : INT -> int32_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 ("WSAAsyncGetProtoByName" wsaasync-get-proto-by-name :convention :stdcall) :pointer
  (h-wnd :pointer)   ; HWND
  (w-msg :uint32)   ; DWORD
  (name :string)   ; LPCSTR
  (buf :pointer)   ; LPSTR out
  (buflen :int32))   ; INT
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WSAAsyncGetProtoByName = Win32::API::More->new('WS2_32',
    'HANDLE WSAAsyncGetProtoByName(HANDLE hWnd, DWORD wMsg, LPCSTR name, LPSTR buf, int buflen)');
# my $ret = $WSAAsyncGetProtoByName->Call($hWnd, $wMsg, $name, $buf, $buflen);
# hWnd : HWND -> HANDLE
# wMsg : DWORD -> DWORD
# name : LPCSTR -> LPCSTR
# buf : LPSTR out -> LPSTR
# buflen : INT -> int
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。