WSCInstallProvider

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

INT WSCInstallProvider(
    GUID* lpProviderId,
    LPCWSTR lpszProviderDllPath,
    const WSAPROTOCOL_INFOW* lpProtocolInfoList,
    DWORD dwNumberOfEntries,
    INT* lpErrno
);

<DllImport("WS2_32.dll", ExactSpelling:=True)>
Public Shared Function WSCInstallProvider(
    ByRef lpProviderId As Guid,   ' GUID*
    <MarshalAs(UnmanagedType.LPWStr)> lpszProviderDllPath As String,   ' LPCWSTR
    lpProtocolInfoList As IntPtr,   ' WSAPROTOCOL_INFOW*
    dwNumberOfEntries As UInteger,   ' DWORD
    <Out> ByRef lpErrno As Integer   ' INT* out
) As Integer
End Function

' lpProviderId : GUID*
' lpszProviderDllPath : LPCWSTR
' lpProtocolInfoList : WSAPROTOCOL_INFOW*
' dwNumberOfEntries : DWORD
' lpErrno : INT* out
Declare PtrSafe Function WSCInstallProvider Lib "ws2_32" ( _
    ByVal lpProviderId As LongPtr, _
    ByVal lpszProviderDllPath As LongPtr, _
    ByVal lpProtocolInfoList As LongPtr, _
    ByVal dwNumberOfEntries As Long, _
    ByRef lpErrno 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

WSCInstallProvider = ctypes.windll.ws2_32.WSCInstallProvider
WSCInstallProvider.restype = ctypes.c_int
WSCInstallProvider.argtypes = [
    ctypes.c_void_p,  # lpProviderId : GUID*
    wintypes.LPCWSTR,  # lpszProviderDllPath : LPCWSTR
    ctypes.c_void_p,  # lpProtocolInfoList : WSAPROTOCOL_INFOW*
    wintypes.DWORD,  # dwNumberOfEntries : DWORD
    ctypes.POINTER(ctypes.c_int),  # lpErrno : INT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WS2_32.dll')
WSCInstallProvider = Fiddle::Function.new(
  lib['WSCInstallProvider'],
  [
    Fiddle::TYPE_VOIDP,  # lpProviderId : GUID*
    Fiddle::TYPE_VOIDP,  # lpszProviderDllPath : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpProtocolInfoList : WSAPROTOCOL_INFOW*
    -Fiddle::TYPE_INT,  # dwNumberOfEntries : DWORD
    Fiddle::TYPE_VOIDP,  # lpErrno : INT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ws2_32")]
extern "system" {
    fn WSCInstallProvider(
        lpProviderId: *mut GUID,  // GUID*
        lpszProviderDllPath: *const u16,  // LPCWSTR
        lpProtocolInfoList: *const WSAPROTOCOL_INFOW,  // WSAPROTOCOL_INFOW*
        dwNumberOfEntries: u32,  // DWORD
        lpErrno: *mut i32  // INT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WS2_32.dll")]
public static extern int WSCInstallProvider(ref Guid lpProviderId, [MarshalAs(UnmanagedType.LPWStr)] string lpszProviderDllPath, IntPtr lpProtocolInfoList, uint dwNumberOfEntries, out int lpErrno);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WS2_32_WSCInstallProvider' -Namespace Win32 -PassThru
# $api::WSCInstallProvider(lpProviderId, lpszProviderDllPath, lpProtocolInfoList, dwNumberOfEntries, lpErrno)

#uselib "WS2_32.dll"
#func global WSCInstallProvider "WSCInstallProvider" sptr, sptr, sptr, sptr, sptr
; WSCInstallProvider varptr(lpProviderId), lpszProviderDllPath, varptr(lpProtocolInfoList), dwNumberOfEntries, varptr(lpErrno)   ; 戻り値は stat
; lpProviderId : GUID* -> "sptr"
; lpszProviderDllPath : LPCWSTR -> "sptr"
; lpProtocolInfoList : WSAPROTOCOL_INFOW* -> "sptr"
; dwNumberOfEntries : DWORD -> "sptr"
; lpErrno : INT* 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")
	procWSCInstallProvider = ws2_32.NewProc("WSCInstallProvider")
)

// lpProviderId (GUID*), lpszProviderDllPath (LPCWSTR), lpProtocolInfoList (WSAPROTOCOL_INFOW*), dwNumberOfEntries (DWORD), lpErrno (INT* out)
r1, _, err := procWSCInstallProvider.Call(
	uintptr(lpProviderId),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszProviderDllPath))),
	uintptr(lpProtocolInfoList),
	uintptr(dwNumberOfEntries),
	uintptr(lpErrno),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function WSCInstallProvider(
  lpProviderId: PGUID;   // GUID*
  lpszProviderDllPath: PWideChar;   // LPCWSTR
  lpProtocolInfoList: Pointer;   // WSAPROTOCOL_INFOW*
  dwNumberOfEntries: DWORD;   // DWORD
  lpErrno: Pointer   // INT* out
): Integer; stdcall;
  external 'WS2_32.dll' name 'WSCInstallProvider';

result := DllCall("WS2_32\WSCInstallProvider"
    , "Ptr", lpProviderId   ; GUID*
    , "WStr", lpszProviderDllPath   ; LPCWSTR
    , "Ptr", lpProtocolInfoList   ; WSAPROTOCOL_INFOW*
    , "UInt", dwNumberOfEntries   ; DWORD
    , "Ptr", lpErrno   ; INT* out
    , "Int")   ; return: INT

●WSCInstallProvider(lpProviderId, lpszProviderDllPath, lpProtocolInfoList, dwNumberOfEntries, lpErrno) = DLL("WS2_32.dll", "int WSCInstallProvider(void*, char*, void*, dword, void*)")
# 呼び出し: WSCInstallProvider(lpProviderId, lpszProviderDllPath, lpProtocolInfoList, dwNumberOfEntries, lpErrno)
# lpProviderId : GUID* -> "void*"
# lpszProviderDllPath : LPCWSTR -> "char*"
# lpProtocolInfoList : WSAPROTOCOL_INFOW* -> "void*"
# dwNumberOfEntries : DWORD -> "dword"
# lpErrno : INT* 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 WSCInstallProvider(
    lpProviderId: [*c]GUID, // GUID*
    lpszProviderDllPath: [*c]const u16, // LPCWSTR
    lpProtocolInfoList: [*c]WSAPROTOCOL_INFOW, // WSAPROTOCOL_INFOW*
    dwNumberOfEntries: u32, // DWORD
    lpErrno: [*c]i32 // INT* out
) callconv(std.os.windows.WINAPI) i32;

proc WSCInstallProvider(
    lpProviderId: ptr GUID,  # GUID*
    lpszProviderDllPath: WideCString,  # LPCWSTR
    lpProtocolInfoList: ptr WSAPROTOCOL_INFOW,  # WSAPROTOCOL_INFOW*
    dwNumberOfEntries: uint32,  # DWORD
    lpErrno: ptr int32  # INT* out
): int32 {.importc: "WSCInstallProvider", stdcall, dynlib: "WS2_32.dll".}

pragma(lib, "ws2_32");
extern(Windows)
int WSCInstallProvider(
    GUID* lpProviderId,   // GUID*
    const(wchar)* lpszProviderDllPath,   // LPCWSTR
    WSAPROTOCOL_INFOW* lpProtocolInfoList,   // WSAPROTOCOL_INFOW*
    uint dwNumberOfEntries,   // DWORD
    int* lpErrno   // INT* out
);

ccall((:WSCInstallProvider, "WS2_32.dll"), stdcall, Int32,
      (Ptr{GUID}, Cwstring, Ptr{WSAPROTOCOL_INFOW}, UInt32, Ptr{Int32}),
      lpProviderId, lpszProviderDllPath, lpProtocolInfoList, dwNumberOfEntries, lpErrno)
# lpProviderId : GUID* -> Ptr{GUID}
# lpszProviderDllPath : LPCWSTR -> Cwstring
# lpProtocolInfoList : WSAPROTOCOL_INFOW* -> Ptr{WSAPROTOCOL_INFOW}
# dwNumberOfEntries : DWORD -> UInt32
# lpErrno : INT* out -> Ptr{Int32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t WSCInstallProvider(
    void* lpProviderId,
    const uint16_t* lpszProviderDllPath,
    void* lpProtocolInfoList,
    uint32_t dwNumberOfEntries,
    int32_t* lpErrno);
]]
local ws2_32 = ffi.load("ws2_32")
-- ws2_32.WSCInstallProvider(lpProviderId, lpszProviderDllPath, lpProtocolInfoList, dwNumberOfEntries, lpErrno)
-- lpProviderId : GUID*
-- lpszProviderDllPath : LPCWSTR
-- lpProtocolInfoList : WSAPROTOCOL_INFOW*
-- dwNumberOfEntries : DWORD
-- lpErrno : INT* 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 WSCInstallProvider = lib.func('__stdcall', 'WSCInstallProvider', 'int32_t', ['void *', 'str16', 'void *', 'uint32_t', 'int32_t *']);
// WSCInstallProvider(lpProviderId, lpszProviderDllPath, lpProtocolInfoList, dwNumberOfEntries, lpErrno)
// lpProviderId : GUID* -> 'void *'
// lpszProviderDllPath : LPCWSTR -> 'str16'
// lpProtocolInfoList : WSAPROTOCOL_INFOW* -> 'void *'
// dwNumberOfEntries : DWORD -> 'uint32_t'
// lpErrno : INT* out -> '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", {
  WSCInstallProvider: { parameters: ["pointer", "buffer", "pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.WSCInstallProvider(lpProviderId, lpszProviderDllPath, lpProtocolInfoList, dwNumberOfEntries, lpErrno)
// lpProviderId : GUID* -> "pointer"
// lpszProviderDllPath : LPCWSTR -> "buffer"
// lpProtocolInfoList : WSAPROTOCOL_INFOW* -> "pointer"
// dwNumberOfEntries : DWORD -> "u32"
// lpErrno : INT* out -> "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 WSCInstallProvider(
    void* lpProviderId,
    const uint16_t* lpszProviderDllPath,
    void* lpProtocolInfoList,
    uint32_t dwNumberOfEntries,
    int32_t* lpErrno);
C, "WS2_32.dll");
// $ffi->WSCInstallProvider(lpProviderId, lpszProviderDllPath, lpProtocolInfoList, dwNumberOfEntries, lpErrno);
// lpProviderId : GUID*
// lpszProviderDllPath : LPCWSTR
// lpProtocolInfoList : WSAPROTOCOL_INFOW*
// dwNumberOfEntries : DWORD
// lpErrno : INT* 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);
    int WSCInstallProvider(
        Pointer lpProviderId,   // GUID*
        WString lpszProviderDllPath,   // LPCWSTR
        Pointer lpProtocolInfoList,   // WSAPROTOCOL_INFOW*
        int dwNumberOfEntries,   // DWORD
        IntByReference lpErrno   // INT* out
    );
}

@[Link("ws2_32")]
lib LibWS2_32
  fun WSCInstallProvider = WSCInstallProvider(
    lpProviderId : GUID*,   # GUID*
    lpszProviderDllPath : UInt16*,   # LPCWSTR
    lpProtocolInfoList : WSAPROTOCOL_INFOW*,   # WSAPROTOCOL_INFOW*
    dwNumberOfEntries : UInt32,   # DWORD
    lpErrno : Int32*   # INT* 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 WSCInstallProviderNative = Int32 Function(Pointer<Void>, Pointer<Utf16>, Pointer<Void>, Uint32, Pointer<Int32>);
typedef WSCInstallProviderDart = int Function(Pointer<Void>, Pointer<Utf16>, Pointer<Void>, int, Pointer<Int32>);
final WSCInstallProvider = DynamicLibrary.open('WS2_32.dll')
    .lookupFunction<WSCInstallProviderNative, WSCInstallProviderDart>('WSCInstallProvider');
// lpProviderId : GUID* -> Pointer<Void>
// lpszProviderDllPath : LPCWSTR -> Pointer<Utf16>
// lpProtocolInfoList : WSAPROTOCOL_INFOW* -> Pointer<Void>
// dwNumberOfEntries : DWORD -> Uint32
// lpErrno : INT* out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WSCInstallProvider(
  lpProviderId: PGUID;   // GUID*
  lpszProviderDllPath: PWideChar;   // LPCWSTR
  lpProtocolInfoList: Pointer;   // WSAPROTOCOL_INFOW*
  dwNumberOfEntries: DWORD;   // DWORD
  lpErrno: Pointer   // INT* out
): Integer; stdcall;
  external 'WS2_32.dll' name 'WSCInstallProvider';

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

foreign import stdcall safe "WSCInstallProvider"
  c_WSCInstallProvider :: Ptr () -> CWString -> Ptr () -> Word32 -> Ptr Int32 -> IO Int32
-- lpProviderId : GUID* -> Ptr ()
-- lpszProviderDllPath : LPCWSTR -> CWString
-- lpProtocolInfoList : WSAPROTOCOL_INFOW* -> Ptr ()
-- dwNumberOfEntries : DWORD -> Word32
-- lpErrno : INT* out -> Ptr 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 wscinstallprovider =
  foreign "WSCInstallProvider"
    ((ptr void) @-> (ptr uint16_t) @-> (ptr void) @-> uint32_t @-> (ptr int32_t) @-> returning int32_t)
(* lpProviderId : GUID* -> (ptr void) *)
(* lpszProviderDllPath : LPCWSTR -> (ptr uint16_t) *)
(* lpProtocolInfoList : WSAPROTOCOL_INFOW* -> (ptr void) *)
(* dwNumberOfEntries : DWORD -> uint32_t *)
(* lpErrno : INT* out -> (ptr 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 ("WSCInstallProvider" wscinstall-provider :convention :stdcall) :int32
  (lp-provider-id :pointer)   ; GUID*
  (lpsz-provider-dll-path (:string :encoding :utf-16le))   ; LPCWSTR
  (lp-protocol-info-list :pointer)   ; WSAPROTOCOL_INFOW*
  (dw-number-of-entries :uint32)   ; DWORD
  (lp-errno :pointer))   ; INT* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WSCInstallProvider = Win32::API::More->new('WS2_32',
    'int WSCInstallProvider(LPVOID lpProviderId, LPCWSTR lpszProviderDllPath, LPVOID lpProtocolInfoList, DWORD dwNumberOfEntries, LPVOID lpErrno)');
# my $ret = $WSCInstallProvider->Call($lpProviderId, $lpszProviderDllPath, $lpProtocolInfoList, $dwNumberOfEntries, $lpErrno);
# lpProviderId : GUID* -> LPVOID
# lpszProviderDllPath : LPCWSTR -> LPCWSTR
# lpProtocolInfoList : WSAPROTOCOL_INFOW* -> LPVOID
# dwNumberOfEntries : DWORD -> DWORD
# lpErrno : INT* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。