WSASendMsg

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

INT WSASendMsg(
    SOCKET Handle,
    WSAMSG* lpMsg,
    DWORD dwFlags,
    DWORD* lpNumberOfBytesSent,   // optional
    OVERLAPPED* lpOverlapped,   // optional
    LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine   // optional
);

<DllImport("WS2_32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WSASendMsg(
    Handle As UIntPtr,   ' SOCKET
    lpMsg As IntPtr,   ' WSAMSG*
    dwFlags As UInteger,   ' DWORD
    lpNumberOfBytesSent As IntPtr,   ' DWORD* optional, out
    lpOverlapped As IntPtr,   ' OVERLAPPED* optional, in/out
    lpCompletionRoutine As IntPtr   ' LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
) As Integer
End Function

' Handle : SOCKET
' lpMsg : WSAMSG*
' dwFlags : DWORD
' lpNumberOfBytesSent : DWORD* optional, out
' lpOverlapped : OVERLAPPED* optional, in/out
' lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
Declare PtrSafe Function WSASendMsg Lib "ws2_32" ( _
    ByVal Handle As LongPtr, _
    ByVal lpMsg As LongPtr, _
    ByVal dwFlags As Long, _
    ByVal lpNumberOfBytesSent As LongPtr, _
    ByVal lpOverlapped As LongPtr, _
    ByVal lpCompletionRoutine 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

WSASendMsg = ctypes.windll.ws2_32.WSASendMsg
WSASendMsg.restype = ctypes.c_int
WSASendMsg.argtypes = [
    ctypes.c_size_t,  # Handle : SOCKET
    ctypes.c_void_p,  # lpMsg : WSAMSG*
    wintypes.DWORD,  # dwFlags : DWORD
    ctypes.POINTER(wintypes.DWORD),  # lpNumberOfBytesSent : DWORD* optional, out
    ctypes.c_void_p,  # lpOverlapped : OVERLAPPED* optional, in/out
    ctypes.c_void_p,  # lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WS2_32.dll')
WSASendMsg = Fiddle::Function.new(
  lib['WSASendMsg'],
  [
    Fiddle::TYPE_UINTPTR_T,  # Handle : SOCKET
    Fiddle::TYPE_VOIDP,  # lpMsg : WSAMSG*
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # lpNumberOfBytesSent : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # lpOverlapped : OVERLAPPED* optional, in/out
    Fiddle::TYPE_VOIDP,  # lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "ws2_32")]
extern "system" {
    fn WSASendMsg(
        Handle: usize,  // SOCKET
        lpMsg: *mut WSAMSG,  // WSAMSG*
        dwFlags: u32,  // DWORD
        lpNumberOfBytesSent: *mut u32,  // DWORD* optional, out
        lpOverlapped: *mut OVERLAPPED,  // OVERLAPPED* optional, in/out
        lpCompletionRoutine: *const core::ffi::c_void  // LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WS2_32.dll", SetLastError = true)]
public static extern int WSASendMsg(UIntPtr Handle, IntPtr lpMsg, uint dwFlags, IntPtr lpNumberOfBytesSent, IntPtr lpOverlapped, IntPtr lpCompletionRoutine);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WS2_32_WSASendMsg' -Namespace Win32 -PassThru
# $api::WSASendMsg(Handle, lpMsg, dwFlags, lpNumberOfBytesSent, lpOverlapped, lpCompletionRoutine)

#uselib "WS2_32.dll"
#func global WSASendMsg "WSASendMsg" sptr, sptr, sptr, sptr, sptr, sptr
; WSASendMsg Handle, varptr(lpMsg), dwFlags, varptr(lpNumberOfBytesSent), varptr(lpOverlapped), lpCompletionRoutine   ; 戻り値は stat
; Handle : SOCKET -> "sptr"
; lpMsg : WSAMSG* -> "sptr"
; dwFlags : DWORD -> "sptr"
; lpNumberOfBytesSent : DWORD* optional, out -> "sptr"
; lpOverlapped : OVERLAPPED* optional, in/out -> "sptr"
; lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE 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")
	procWSASendMsg = ws2_32.NewProc("WSASendMsg")
)

// Handle (SOCKET), lpMsg (WSAMSG*), dwFlags (DWORD), lpNumberOfBytesSent (DWORD* optional, out), lpOverlapped (OVERLAPPED* optional, in/out), lpCompletionRoutine (LPWSAOVERLAPPED_COMPLETION_ROUTINE optional)
r1, _, err := procWSASendMsg.Call(
	uintptr(Handle),
	uintptr(lpMsg),
	uintptr(dwFlags),
	uintptr(lpNumberOfBytesSent),
	uintptr(lpOverlapped),
	uintptr(lpCompletionRoutine),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function WSASendMsg(
  Handle: NativeUInt;   // SOCKET
  lpMsg: Pointer;   // WSAMSG*
  dwFlags: DWORD;   // DWORD
  lpNumberOfBytesSent: Pointer;   // DWORD* optional, out
  lpOverlapped: Pointer;   // OVERLAPPED* optional, in/out
  lpCompletionRoutine: Pointer   // LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
): Integer; stdcall;
  external 'WS2_32.dll' name 'WSASendMsg';

result := DllCall("WS2_32\WSASendMsg"
    , "UPtr", Handle   ; SOCKET
    , "Ptr", lpMsg   ; WSAMSG*
    , "UInt", dwFlags   ; DWORD
    , "Ptr", lpNumberOfBytesSent   ; DWORD* optional, out
    , "Ptr", lpOverlapped   ; OVERLAPPED* optional, in/out
    , "Ptr", lpCompletionRoutine   ; LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
    , "Int")   ; return: INT

●WSASendMsg(Handle, lpMsg, dwFlags, lpNumberOfBytesSent, lpOverlapped, lpCompletionRoutine) = DLL("WS2_32.dll", "int WSASendMsg(int, void*, dword, void*, void*, void*)")
# 呼び出し: WSASendMsg(Handle, lpMsg, dwFlags, lpNumberOfBytesSent, lpOverlapped, lpCompletionRoutine)
# Handle : SOCKET -> "int"
# lpMsg : WSAMSG* -> "void*"
# dwFlags : DWORD -> "dword"
# lpNumberOfBytesSent : DWORD* optional, out -> "void*"
# lpOverlapped : OVERLAPPED* optional, in/out -> "void*"
# lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE 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 WSASendMsg(
    Handle: usize, // SOCKET
    lpMsg: [*c]WSAMSG, // WSAMSG*
    dwFlags: u32, // DWORD
    lpNumberOfBytesSent: [*c]u32, // DWORD* optional, out
    lpOverlapped: [*c]OVERLAPPED, // OVERLAPPED* optional, in/out
    lpCompletionRoutine: ?*anyopaque // LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
) callconv(std.os.windows.WINAPI) i32;

proc WSASendMsg(
    Handle: uint,  # SOCKET
    lpMsg: ptr WSAMSG,  # WSAMSG*
    dwFlags: uint32,  # DWORD
    lpNumberOfBytesSent: ptr uint32,  # DWORD* optional, out
    lpOverlapped: ptr OVERLAPPED,  # OVERLAPPED* optional, in/out
    lpCompletionRoutine: pointer  # LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
): int32 {.importc: "WSASendMsg", stdcall, dynlib: "WS2_32.dll".}

pragma(lib, "ws2_32");
extern(Windows)
int WSASendMsg(
    size_t Handle,   // SOCKET
    WSAMSG* lpMsg,   // WSAMSG*
    uint dwFlags,   // DWORD
    uint* lpNumberOfBytesSent,   // DWORD* optional, out
    OVERLAPPED* lpOverlapped,   // OVERLAPPED* optional, in/out
    void* lpCompletionRoutine   // LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
);

ccall((:WSASendMsg, "WS2_32.dll"), stdcall, Int32,
      (Csize_t, Ptr{WSAMSG}, UInt32, Ptr{UInt32}, Ptr{OVERLAPPED}, Ptr{Cvoid}),
      Handle, lpMsg, dwFlags, lpNumberOfBytesSent, lpOverlapped, lpCompletionRoutine)
# Handle : SOCKET -> Csize_t
# lpMsg : WSAMSG* -> Ptr{WSAMSG}
# dwFlags : DWORD -> UInt32
# lpNumberOfBytesSent : DWORD* optional, out -> Ptr{UInt32}
# lpOverlapped : OVERLAPPED* optional, in/out -> Ptr{OVERLAPPED}
# lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE optional -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t WSASendMsg(
    uintptr_t Handle,
    void* lpMsg,
    uint32_t dwFlags,
    uint32_t* lpNumberOfBytesSent,
    void* lpOverlapped,
    void* lpCompletionRoutine);
]]
local ws2_32 = ffi.load("ws2_32")
-- ws2_32.WSASendMsg(Handle, lpMsg, dwFlags, lpNumberOfBytesSent, lpOverlapped, lpCompletionRoutine)
-- Handle : SOCKET
-- lpMsg : WSAMSG*
-- dwFlags : DWORD
-- lpNumberOfBytesSent : DWORD* optional, out
-- lpOverlapped : OVERLAPPED* optional, in/out
-- lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE 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 WSASendMsg = lib.func('__stdcall', 'WSASendMsg', 'int32_t', ['uintptr_t', 'void *', 'uint32_t', 'uint32_t *', 'void *', 'void *']);
// WSASendMsg(Handle, lpMsg, dwFlags, lpNumberOfBytesSent, lpOverlapped, lpCompletionRoutine)
// Handle : SOCKET -> 'uintptr_t'
// lpMsg : WSAMSG* -> 'void *'
// dwFlags : DWORD -> 'uint32_t'
// lpNumberOfBytesSent : DWORD* optional, out -> 'uint32_t *'
// lpOverlapped : OVERLAPPED* optional, in/out -> 'void *'
// lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE optional -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
// コールバック(関数ポインタ)は koffi.proto/koffi.register で型を定義して渡す(素の void* では JS 関数を渡せない)。

const lib = Deno.dlopen("WS2_32.dll", {
  WSASendMsg: { parameters: ["usize", "pointer", "u32", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.WSASendMsg(Handle, lpMsg, dwFlags, lpNumberOfBytesSent, lpOverlapped, lpCompletionRoutine)
// Handle : SOCKET -> "usize"
// lpMsg : WSAMSG* -> "pointer"
// dwFlags : DWORD -> "u32"
// lpNumberOfBytesSent : DWORD* optional, out -> "pointer"
// lpOverlapped : OVERLAPPED* optional, in/out -> "pointer"
// lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE 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 WSASendMsg(
    size_t Handle,
    void* lpMsg,
    uint32_t dwFlags,
    uint32_t* lpNumberOfBytesSent,
    void* lpOverlapped,
    void* lpCompletionRoutine);
C, "WS2_32.dll");
// $ffi->WSASendMsg(Handle, lpMsg, dwFlags, lpNumberOfBytesSent, lpOverlapped, lpCompletionRoutine);
// Handle : SOCKET
// lpMsg : WSAMSG*
// dwFlags : DWORD
// lpNumberOfBytesSent : DWORD* optional, out
// lpOverlapped : OVERLAPPED* optional, in/out
// lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE 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 WSASendMsg(
        long Handle,   // SOCKET
        Pointer lpMsg,   // WSAMSG*
        int dwFlags,   // DWORD
        IntByReference lpNumberOfBytesSent,   // DWORD* optional, out
        Pointer lpOverlapped,   // OVERLAPPED* optional, in/out
        Callback lpCompletionRoutine   // LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
    );
}

@[Link("ws2_32")]
lib LibWS2_32
  fun WSASendMsg = WSASendMsg(
    Handle : LibC::SizeT,   # SOCKET
    lpMsg : WSAMSG*,   # WSAMSG*
    dwFlags : UInt32,   # DWORD
    lpNumberOfBytesSent : UInt32*,   # DWORD* optional, out
    lpOverlapped : OVERLAPPED*,   # OVERLAPPED* optional, in/out
    lpCompletionRoutine : Void*   # LPWSAOVERLAPPED_COMPLETION_ROUTINE 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 WSASendMsgNative = Int32 Function(UintPtr, Pointer<Void>, Uint32, Pointer<Uint32>, Pointer<Void>, Pointer<Void>);
typedef WSASendMsgDart = int Function(int, Pointer<Void>, int, Pointer<Uint32>, Pointer<Void>, Pointer<Void>);
final WSASendMsg = DynamicLibrary.open('WS2_32.dll')
    .lookupFunction<WSASendMsgNative, WSASendMsgDart>('WSASendMsg');
// Handle : SOCKET -> UintPtr
// lpMsg : WSAMSG* -> Pointer<Void>
// dwFlags : DWORD -> Uint32
// lpNumberOfBytesSent : DWORD* optional, out -> Pointer<Uint32>
// lpOverlapped : OVERLAPPED* optional, in/out -> Pointer<Void>
// lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WSASendMsg(
  Handle: NativeUInt;   // SOCKET
  lpMsg: Pointer;   // WSAMSG*
  dwFlags: DWORD;   // DWORD
  lpNumberOfBytesSent: Pointer;   // DWORD* optional, out
  lpOverlapped: Pointer;   // OVERLAPPED* optional, in/out
  lpCompletionRoutine: Pointer   // LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
): Integer; stdcall;
  external 'WS2_32.dll' name 'WSASendMsg';

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

foreign import stdcall safe "WSASendMsg"
  c_WSASendMsg :: CUIntPtr -> Ptr () -> Word32 -> Ptr Word32 -> Ptr () -> Ptr () -> IO Int32
-- Handle : SOCKET -> CUIntPtr
-- lpMsg : WSAMSG* -> Ptr ()
-- dwFlags : DWORD -> Word32
-- lpNumberOfBytesSent : DWORD* optional, out -> Ptr Word32
-- lpOverlapped : OVERLAPPED* optional, in/out -> Ptr ()
-- lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE 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 wsasendmsg =
  foreign "WSASendMsg"
    (size_t @-> (ptr void) @-> uint32_t @-> (ptr uint32_t) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* Handle : SOCKET -> size_t *)
(* lpMsg : WSAMSG* -> (ptr void) *)
(* dwFlags : DWORD -> uint32_t *)
(* lpNumberOfBytesSent : DWORD* optional, out -> (ptr uint32_t) *)
(* lpOverlapped : OVERLAPPED* optional, in/out -> (ptr void) *)
(* lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE 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 ("WSASendMsg" wsasend-msg :convention :stdcall) :int32
  (handle :uint64)   ; SOCKET
  (lp-msg :pointer)   ; WSAMSG*
  (dw-flags :uint32)   ; DWORD
  (lp-number-of-bytes-sent :pointer)   ; DWORD* optional, out
  (lp-overlapped :pointer)   ; OVERLAPPED* optional, in/out
  (lp-completion-routine :pointer))   ; LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WSASendMsg = Win32::API::More->new('WS2_32',
    'int WSASendMsg(WPARAM Handle, LPVOID lpMsg, DWORD dwFlags, LPVOID lpNumberOfBytesSent, LPVOID lpOverlapped, LPVOID lpCompletionRoutine)');
# my $ret = $WSASendMsg->Call($Handle, $lpMsg, $dwFlags, $lpNumberOfBytesSent, $lpOverlapped, $lpCompletionRoutine);
# Handle : SOCKET -> WPARAM
# lpMsg : WSAMSG* -> LPVOID
# dwFlags : DWORD -> DWORD
# lpNumberOfBytesSent : DWORD* optional, out -> LPVOID
# lpOverlapped : OVERLAPPED* optional, in/out -> LPVOID
# lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# コールバック(関数ポインタ)は Perl sub を直接渡せません。Win32::API::Callback を使用してください。