InternetAlgIdToStringW

// WININET.dll  (Unicode / -W)
#include <windows.h>

BOOL InternetAlgIdToStringW(
    ALG_ID ai,
    LPWSTR lpstr,
    DWORD* lpdwstrLength,
    DWORD dwReserved   // optional
);

<DllImport("WININET.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function InternetAlgIdToStringW(
    ai As UInteger,   ' ALG_ID
    <MarshalAs(UnmanagedType.LPWStr)> lpstr As System.Text.StringBuilder,   ' LPWSTR out
    ByRef lpdwstrLength As UInteger,   ' DWORD* in/out
    dwReserved As UInteger   ' DWORD optional
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' ai : ALG_ID
' lpstr : LPWSTR out
' lpdwstrLength : DWORD* in/out
' dwReserved : DWORD optional
Declare PtrSafe Function InternetAlgIdToStringW Lib "wininet" ( _
    ByVal ai As Long, _
    ByVal lpstr As LongPtr, _
    ByRef lpdwstrLength As Long, _
    ByVal dwReserved As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

InternetAlgIdToStringW = ctypes.windll.wininet.InternetAlgIdToStringW
InternetAlgIdToStringW.restype = wintypes.BOOL
InternetAlgIdToStringW.argtypes = [
    wintypes.DWORD,  # ai : ALG_ID
    wintypes.LPWSTR,  # lpstr : LPWSTR out
    ctypes.POINTER(wintypes.DWORD),  # lpdwstrLength : DWORD* in/out
    wintypes.DWORD,  # dwReserved : DWORD optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
InternetAlgIdToStringW = Fiddle::Function.new(
  lib['InternetAlgIdToStringW'],
  [
    -Fiddle::TYPE_INT,  # ai : ALG_ID
    Fiddle::TYPE_VOIDP,  # lpstr : LPWSTR out
    Fiddle::TYPE_VOIDP,  # lpdwstrLength : DWORD* in/out
    -Fiddle::TYPE_INT,  # dwReserved : DWORD optional
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "wininet")]
extern "system" {
    fn InternetAlgIdToStringW(
        ai: u32,  // ALG_ID
        lpstr: *mut u16,  // LPWSTR out
        lpdwstrLength: *mut u32,  // DWORD* in/out
        dwReserved: u32  // DWORD optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll", CharSet = CharSet.Unicode)]
public static extern bool InternetAlgIdToStringW(uint ai, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpstr, ref uint lpdwstrLength, uint dwReserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_InternetAlgIdToStringW' -Namespace Win32 -PassThru
# $api::InternetAlgIdToStringW(ai, lpstr, lpdwstrLength, dwReserved)

#uselib "WININET.dll"
#func global InternetAlgIdToStringW "InternetAlgIdToStringW" wptr, wptr, wptr, wptr
; InternetAlgIdToStringW ai, varptr(lpstr), varptr(lpdwstrLength), dwReserved   ; 戻り値は stat
; ai : ALG_ID -> "wptr"
; lpstr : LPWSTR out -> "wptr"
; lpdwstrLength : DWORD* in/out -> "wptr"
; dwReserved : DWORD optional -> "wptr"
; ※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 (
	wininet = windows.NewLazySystemDLL("WININET.dll")
	procInternetAlgIdToStringW = wininet.NewProc("InternetAlgIdToStringW")
)

// ai (ALG_ID), lpstr (LPWSTR out), lpdwstrLength (DWORD* in/out), dwReserved (DWORD optional)
r1, _, err := procInternetAlgIdToStringW.Call(
	uintptr(ai),
	uintptr(lpstr),
	uintptr(lpdwstrLength),
	uintptr(dwReserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function InternetAlgIdToStringW(
  ai: DWORD;   // ALG_ID
  lpstr: PWideChar;   // LPWSTR out
  lpdwstrLength: Pointer;   // DWORD* in/out
  dwReserved: DWORD   // DWORD optional
): BOOL; stdcall;
  external 'WININET.dll' name 'InternetAlgIdToStringW';

result := DllCall("WININET\InternetAlgIdToStringW"
    , "UInt", ai   ; ALG_ID
    , "Ptr", lpstr   ; LPWSTR out
    , "Ptr", lpdwstrLength   ; DWORD* in/out
    , "UInt", dwReserved   ; DWORD optional
    , "Int")   ; return: BOOL

●InternetAlgIdToStringW(ai, lpstr, lpdwstrLength, dwReserved) = DLL("WININET.dll", "bool InternetAlgIdToStringW(dword, char*, void*, dword)")
# 呼び出し: InternetAlgIdToStringW(ai, lpstr, lpdwstrLength, dwReserved)
# ai : ALG_ID -> "dword"
# lpstr : LPWSTR out -> "char*"
# lpdwstrLength : DWORD* in/out -> "void*"
# dwReserved : DWORD optional -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "wininet" fn InternetAlgIdToStringW(
    ai: u32, // ALG_ID
    lpstr: [*c]u16, // LPWSTR out
    lpdwstrLength: [*c]u32, // DWORD* in/out
    dwReserved: u32 // DWORD optional
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc InternetAlgIdToStringW(
    ai: uint32,  # ALG_ID
    lpstr: ptr uint16,  # LPWSTR out
    lpdwstrLength: ptr uint32,  # DWORD* in/out
    dwReserved: uint32  # DWORD optional
): int32 {.importc: "InternetAlgIdToStringW", stdcall, dynlib: "WININET.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "wininet");
extern(Windows)
int InternetAlgIdToStringW(
    uint ai,   // ALG_ID
    wchar* lpstr,   // LPWSTR out
    uint* lpdwstrLength,   // DWORD* in/out
    uint dwReserved   // DWORD optional
);

ccall((:InternetAlgIdToStringW, "WININET.dll"), stdcall, Int32,
      (UInt32, Ptr{UInt16}, Ptr{UInt32}, UInt32),
      ai, lpstr, lpdwstrLength, dwReserved)
# ai : ALG_ID -> UInt32
# lpstr : LPWSTR out -> Ptr{UInt16}
# lpdwstrLength : DWORD* in/out -> Ptr{UInt32}
# dwReserved : DWORD optional -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
int32_t InternetAlgIdToStringW(
    uint32_t ai,
    uint16_t* lpstr,
    uint32_t* lpdwstrLength,
    uint32_t dwReserved);
]]
local wininet = ffi.load("wininet")
-- wininet.InternetAlgIdToStringW(ai, lpstr, lpdwstrLength, dwReserved)
-- ai : ALG_ID
-- lpstr : LPWSTR out
-- lpdwstrLength : DWORD* in/out
-- dwReserved : DWORD 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('WININET.dll');
const InternetAlgIdToStringW = lib.func('__stdcall', 'InternetAlgIdToStringW', 'int32_t', ['uint32_t', 'uint16_t *', 'uint32_t *', 'uint32_t']);
// InternetAlgIdToStringW(ai, lpstr, lpdwstrLength, dwReserved)
// ai : ALG_ID -> 'uint32_t'
// lpstr : LPWSTR out -> 'uint16_t *'
// lpdwstrLength : DWORD* in/out -> 'uint32_t *'
// dwReserved : DWORD optional -> '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", {
  InternetAlgIdToStringW: { parameters: ["u32", "buffer", "pointer", "u32"], result: "i32" },
});
// lib.symbols.InternetAlgIdToStringW(ai, lpstr, lpdwstrLength, dwReserved)
// ai : ALG_ID -> "u32"
// lpstr : LPWSTR out -> "buffer"
// lpdwstrLength : DWORD* in/out -> "pointer"
// dwReserved : DWORD optional -> "u32"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)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 InternetAlgIdToStringW(
    uint32_t ai,
    uint16_t* lpstr,
    uint32_t* lpdwstrLength,
    uint32_t dwReserved);
C, "WININET.dll");
// $ffi->InternetAlgIdToStringW(ai, lpstr, lpdwstrLength, dwReserved);
// ai : ALG_ID
// lpstr : LPWSTR out
// lpdwstrLength : DWORD* in/out
// dwReserved : DWORD 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 Wininet extends StdCallLibrary {
    Wininet INSTANCE = Native.load("wininet", Wininet.class, W32APIOptions.UNICODE_OPTIONS);
    boolean InternetAlgIdToStringW(
        int ai,   // ALG_ID
        char[] lpstr,   // LPWSTR out
        IntByReference lpdwstrLength,   // DWORD* in/out
        int dwReserved   // DWORD optional
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("wininet")]
lib LibWININET
  fun InternetAlgIdToStringW = InternetAlgIdToStringW(
    ai : UInt32,   # ALG_ID
    lpstr : UInt16*,   # LPWSTR out
    lpdwstrLength : UInt32*,   # DWORD* in/out
    dwReserved : UInt32   # DWORD 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 InternetAlgIdToStringWNative = Int32 Function(Uint32, Pointer<Utf16>, Pointer<Uint32>, Uint32);
typedef InternetAlgIdToStringWDart = int Function(int, Pointer<Utf16>, Pointer<Uint32>, int);
final InternetAlgIdToStringW = DynamicLibrary.open('WININET.dll')
    .lookupFunction<InternetAlgIdToStringWNative, InternetAlgIdToStringWDart>('InternetAlgIdToStringW');
// ai : ALG_ID -> Uint32
// lpstr : LPWSTR out -> Pointer<Utf16>
// lpdwstrLength : DWORD* in/out -> Pointer<Uint32>
// dwReserved : DWORD optional -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function InternetAlgIdToStringW(
  ai: DWORD;   // ALG_ID
  lpstr: PWideChar;   // LPWSTR out
  lpdwstrLength: Pointer;   // DWORD* in/out
  dwReserved: DWORD   // DWORD optional
): BOOL; stdcall;
  external 'WININET.dll' name 'InternetAlgIdToStringW';

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

foreign import stdcall safe "InternetAlgIdToStringW"
  c_InternetAlgIdToStringW :: Word32 -> CWString -> Ptr Word32 -> Word32 -> IO CInt
-- ai : ALG_ID -> Word32
-- lpstr : LPWSTR out -> CWString
-- lpdwstrLength : DWORD* in/out -> Ptr Word32
-- dwReserved : DWORD optional -> 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 internetalgidtostringw =
  foreign "InternetAlgIdToStringW"
    (uint32_t @-> (ptr uint16_t) @-> (ptr uint32_t) @-> uint32_t @-> returning int32_t)
(* ai : ALG_ID -> uint32_t *)
(* lpstr : LPWSTR out -> (ptr uint16_t) *)
(* lpdwstrLength : DWORD* in/out -> (ptr uint32_t) *)
(* dwReserved : DWORD optional -> 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 ("InternetAlgIdToStringW" internet-alg-id-to-string-w :convention :stdcall) :int32
  (ai :uint32)   ; ALG_ID
  (lpstr :pointer)   ; LPWSTR out
  (lpdwstr-length :pointer)   ; DWORD* in/out
  (dw-reserved :uint32))   ; DWORD optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $InternetAlgIdToStringW = Win32::API::More->new('WININET',
    'BOOL InternetAlgIdToStringW(DWORD ai, LPWSTR lpstr, LPVOID lpdwstrLength, DWORD dwReserved)');
# my $ret = $InternetAlgIdToStringW->Call($ai, $lpstr, $lpdwstrLength, $dwReserved);
# ai : ALG_ID -> DWORD
# lpstr : LPWSTR out -> LPWSTR
# lpdwstrLength : DWORD* in/out -> LPVOID
# dwReserved : DWORD optional -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。