HttpWebSocketSend

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

BOOL HttpWebSocketSend(
    void* hWebSocket,
    HTTP_WEB_SOCKET_BUFFER_TYPE BufferType,
    void* pvBuffer,   // optional
    DWORD dwBufferLength
);

<DllImport("WININET.dll", ExactSpelling:=True)>
Public Shared Function HttpWebSocketSend(
    hWebSocket As IntPtr,   ' void*
    BufferType As Integer,   ' HTTP_WEB_SOCKET_BUFFER_TYPE
    pvBuffer As IntPtr,   ' void* optional
    dwBufferLength As UInteger   ' DWORD
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' hWebSocket : void*
' BufferType : HTTP_WEB_SOCKET_BUFFER_TYPE
' pvBuffer : void* optional
' dwBufferLength : DWORD
Declare PtrSafe Function HttpWebSocketSend Lib "wininet" ( _
    ByVal hWebSocket As LongPtr, _
    ByVal BufferType As Long, _
    ByVal pvBuffer As LongPtr, _
    ByVal dwBufferLength 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

HttpWebSocketSend = ctypes.windll.wininet.HttpWebSocketSend
HttpWebSocketSend.restype = wintypes.BOOL
HttpWebSocketSend.argtypes = [
    ctypes.POINTER(None),  # hWebSocket : void*
    ctypes.c_int,  # BufferType : HTTP_WEB_SOCKET_BUFFER_TYPE
    ctypes.POINTER(None),  # pvBuffer : void* optional
    wintypes.DWORD,  # dwBufferLength : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
HttpWebSocketSend = Fiddle::Function.new(
  lib['HttpWebSocketSend'],
  [
    Fiddle::TYPE_VOIDP,  # hWebSocket : void*
    Fiddle::TYPE_INT,  # BufferType : HTTP_WEB_SOCKET_BUFFER_TYPE
    Fiddle::TYPE_VOIDP,  # pvBuffer : void* optional
    -Fiddle::TYPE_INT,  # dwBufferLength : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "wininet")]
extern "system" {
    fn HttpWebSocketSend(
        hWebSocket: *mut (),  // void*
        BufferType: i32,  // HTTP_WEB_SOCKET_BUFFER_TYPE
        pvBuffer: *mut (),  // void* optional
        dwBufferLength: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll")]
public static extern bool HttpWebSocketSend(IntPtr hWebSocket, int BufferType, IntPtr pvBuffer, uint dwBufferLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_HttpWebSocketSend' -Namespace Win32 -PassThru
# $api::HttpWebSocketSend(hWebSocket, BufferType, pvBuffer, dwBufferLength)

#uselib "WININET.dll"
#func global HttpWebSocketSend "HttpWebSocketSend" sptr, sptr, sptr, sptr
; HttpWebSocketSend hWebSocket, BufferType, pvBuffer, dwBufferLength   ; 戻り値は stat
; hWebSocket : void* -> "sptr"
; BufferType : HTTP_WEB_SOCKET_BUFFER_TYPE -> "sptr"
; pvBuffer : void* optional -> "sptr"
; dwBufferLength : DWORD -> "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。

#uselib "WININET.dll"
#cfunc global HttpWebSocketSend "HttpWebSocketSend" sptr, int, sptr, int
; res = HttpWebSocketSend(hWebSocket, BufferType, pvBuffer, dwBufferLength)
; hWebSocket : void* -> "sptr"
; BufferType : HTTP_WEB_SOCKET_BUFFER_TYPE -> "int"
; pvBuffer : void* optional -> "sptr"
; dwBufferLength : DWORD -> "int"

; BOOL HttpWebSocketSend(void* hWebSocket, HTTP_WEB_SOCKET_BUFFER_TYPE BufferType, void* pvBuffer, DWORD dwBufferLength)
#uselib "WININET.dll"
#cfunc global HttpWebSocketSend "HttpWebSocketSend" intptr, int, intptr, int
; res = HttpWebSocketSend(hWebSocket, BufferType, pvBuffer, dwBufferLength)
; hWebSocket : void* -> "intptr"
; BufferType : HTTP_WEB_SOCKET_BUFFER_TYPE -> "int"
; pvBuffer : void* optional -> "intptr"
; dwBufferLength : DWORD -> "int"

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

var (
	wininet = windows.NewLazySystemDLL("WININET.dll")
	procHttpWebSocketSend = wininet.NewProc("HttpWebSocketSend")
)

// hWebSocket (void*), BufferType (HTTP_WEB_SOCKET_BUFFER_TYPE), pvBuffer (void* optional), dwBufferLength (DWORD)
r1, _, err := procHttpWebSocketSend.Call(
	uintptr(hWebSocket),
	uintptr(BufferType),
	uintptr(pvBuffer),
	uintptr(dwBufferLength),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function HttpWebSocketSend(
  hWebSocket: Pointer;   // void*
  BufferType: Integer;   // HTTP_WEB_SOCKET_BUFFER_TYPE
  pvBuffer: Pointer;   // void* optional
  dwBufferLength: DWORD   // DWORD
): BOOL; stdcall;
  external 'WININET.dll' name 'HttpWebSocketSend';

result := DllCall("WININET\HttpWebSocketSend"
    , "Ptr", hWebSocket   ; void*
    , "Int", BufferType   ; HTTP_WEB_SOCKET_BUFFER_TYPE
    , "Ptr", pvBuffer   ; void* optional
    , "UInt", dwBufferLength   ; DWORD
    , "Int")   ; return: BOOL

●HttpWebSocketSend(hWebSocket, BufferType, pvBuffer, dwBufferLength) = DLL("WININET.dll", "bool HttpWebSocketSend(void*, int, void*, dword)")
# 呼び出し: HttpWebSocketSend(hWebSocket, BufferType, pvBuffer, dwBufferLength)
# hWebSocket : void* -> "void*"
# BufferType : HTTP_WEB_SOCKET_BUFFER_TYPE -> "int"
# pvBuffer : void* optional -> "void*"
# dwBufferLength : DWORD -> "dword"
# 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 "wininet" fn HttpWebSocketSend(
    hWebSocket: ?*anyopaque, // void*
    BufferType: i32, // HTTP_WEB_SOCKET_BUFFER_TYPE
    pvBuffer: ?*anyopaque, // void* optional
    dwBufferLength: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc HttpWebSocketSend(
    hWebSocket: pointer,  # void*
    BufferType: int32,  # HTTP_WEB_SOCKET_BUFFER_TYPE
    pvBuffer: pointer,  # void* optional
    dwBufferLength: uint32  # DWORD
): int32 {.importc: "HttpWebSocketSend", stdcall, dynlib: "WININET.dll".}

pragma(lib, "wininet");
extern(Windows)
int HttpWebSocketSend(
    void* hWebSocket,   // void*
    int BufferType,   // HTTP_WEB_SOCKET_BUFFER_TYPE
    void* pvBuffer,   // void* optional
    uint dwBufferLength   // DWORD
);

ccall((:HttpWebSocketSend, "WININET.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Int32, Ptr{Cvoid}, UInt32),
      hWebSocket, BufferType, pvBuffer, dwBufferLength)
# hWebSocket : void* -> Ptr{Cvoid}
# BufferType : HTTP_WEB_SOCKET_BUFFER_TYPE -> Int32
# pvBuffer : void* optional -> Ptr{Cvoid}
# dwBufferLength : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t HttpWebSocketSend(
    void* hWebSocket,
    int32_t BufferType,
    void* pvBuffer,
    uint32_t dwBufferLength);
]]
local wininet = ffi.load("wininet")
-- wininet.HttpWebSocketSend(hWebSocket, BufferType, pvBuffer, dwBufferLength)
-- hWebSocket : void*
-- BufferType : HTTP_WEB_SOCKET_BUFFER_TYPE
-- pvBuffer : void* optional
-- dwBufferLength : DWORD
-- 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('WININET.dll');
const HttpWebSocketSend = lib.func('__stdcall', 'HttpWebSocketSend', 'int32_t', ['void *', 'int32_t', 'void *', 'uint32_t']);
// HttpWebSocketSend(hWebSocket, BufferType, pvBuffer, dwBufferLength)
// hWebSocket : void* -> 'void *'
// BufferType : HTTP_WEB_SOCKET_BUFFER_TYPE -> 'int32_t'
// pvBuffer : void* optional -> 'void *'
// dwBufferLength : DWORD -> '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("WININET.dll", {
  HttpWebSocketSend: { parameters: ["pointer", "i32", "pointer", "u32"], result: "i32" },
});
// lib.symbols.HttpWebSocketSend(hWebSocket, BufferType, pvBuffer, dwBufferLength)
// hWebSocket : void* -> "pointer"
// BufferType : HTTP_WEB_SOCKET_BUFFER_TYPE -> "i32"
// pvBuffer : void* optional -> "pointer"
// dwBufferLength : DWORD -> "u32"
// 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 HttpWebSocketSend(
    void* hWebSocket,
    int32_t BufferType,
    void* pvBuffer,
    uint32_t dwBufferLength);
C, "WININET.dll");
// $ffi->HttpWebSocketSend(hWebSocket, BufferType, pvBuffer, dwBufferLength);
// hWebSocket : void*
// BufferType : HTTP_WEB_SOCKET_BUFFER_TYPE
// pvBuffer : void* optional
// dwBufferLength : DWORD
// 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 Wininet extends StdCallLibrary {
    Wininet INSTANCE = Native.load("wininet", Wininet.class);
    boolean HttpWebSocketSend(
        Pointer hWebSocket,   // void*
        int BufferType,   // HTTP_WEB_SOCKET_BUFFER_TYPE
        Pointer pvBuffer,   // void* optional
        int dwBufferLength   // DWORD
    );
}

@[Link("wininet")]
lib LibWININET
  fun HttpWebSocketSend = HttpWebSocketSend(
    hWebSocket : Void*,   # void*
    BufferType : Int32,   # HTTP_WEB_SOCKET_BUFFER_TYPE
    pvBuffer : Void*,   # void* optional
    dwBufferLength : UInt32   # DWORD
  ) : 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 HttpWebSocketSendNative = Int32 Function(Pointer<Void>, Int32, Pointer<Void>, Uint32);
typedef HttpWebSocketSendDart = int Function(Pointer<Void>, int, Pointer<Void>, int);
final HttpWebSocketSend = DynamicLibrary.open('WININET.dll')
    .lookupFunction<HttpWebSocketSendNative, HttpWebSocketSendDart>('HttpWebSocketSend');
// hWebSocket : void* -> Pointer<Void>
// BufferType : HTTP_WEB_SOCKET_BUFFER_TYPE -> Int32
// pvBuffer : void* optional -> Pointer<Void>
// dwBufferLength : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function HttpWebSocketSend(
  hWebSocket: Pointer;   // void*
  BufferType: Integer;   // HTTP_WEB_SOCKET_BUFFER_TYPE
  pvBuffer: Pointer;   // void* optional
  dwBufferLength: DWORD   // DWORD
): BOOL; stdcall;
  external 'WININET.dll' name 'HttpWebSocketSend';

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

foreign import stdcall safe "HttpWebSocketSend"
  c_HttpWebSocketSend :: Ptr () -> Int32 -> Ptr () -> Word32 -> IO CInt
-- hWebSocket : void* -> Ptr ()
-- BufferType : HTTP_WEB_SOCKET_BUFFER_TYPE -> Int32
-- pvBuffer : void* optional -> Ptr ()
-- dwBufferLength : DWORD -> 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 httpwebsocketsend =
  foreign "HttpWebSocketSend"
    ((ptr void) @-> int32_t @-> (ptr void) @-> uint32_t @-> returning int32_t)
(* hWebSocket : void* -> (ptr void) *)
(* BufferType : HTTP_WEB_SOCKET_BUFFER_TYPE -> int32_t *)
(* pvBuffer : void* optional -> (ptr void) *)
(* dwBufferLength : DWORD -> 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 wininet (t "WININET.dll"))
(cffi:use-foreign-library wininet)

(cffi:defcfun ("HttpWebSocketSend" http-web-socket-send :convention :stdcall) :int32
  (h-web-socket :pointer)   ; void*
  (buffer-type :int32)   ; HTTP_WEB_SOCKET_BUFFER_TYPE
  (pv-buffer :pointer)   ; void* optional
  (dw-buffer-length :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $HttpWebSocketSend = Win32::API::More->new('WININET',
    'BOOL HttpWebSocketSend(LPVOID hWebSocket, int BufferType, LPVOID pvBuffer, DWORD dwBufferLength)');
# my $ret = $HttpWebSocketSend->Call($hWebSocket, $BufferType, $pvBuffer, $dwBufferLength);
# hWebSocket : void* -> LPVOID
# BufferType : HTTP_WEB_SOCKET_BUFFER_TYPE -> int
# pvBuffer : void* optional -> LPVOID
# dwBufferLength : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。