CreateSymbolicLinkTransactedW

// KERNEL32.dll  (Unicode / -W)
#include <windows.h>

BOOLEAN CreateSymbolicLinkTransactedW(
    LPCWSTR lpSymlinkFileName,
    LPCWSTR lpTargetFileName,
    SYMBOLIC_LINK_FLAGS dwFlags,
    HANDLE hTransaction
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CreateSymbolicLinkTransactedW(
    <MarshalAs(UnmanagedType.LPWStr)> lpSymlinkFileName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> lpTargetFileName As String,   ' LPCWSTR
    dwFlags As UInteger,   ' SYMBOLIC_LINK_FLAGS
    hTransaction As IntPtr   ' HANDLE
) As <MarshalAs(UnmanagedType.U1)> Boolean
End Function

' lpSymlinkFileName : LPCWSTR
' lpTargetFileName : LPCWSTR
' dwFlags : SYMBOLIC_LINK_FLAGS
' hTransaction : HANDLE
Declare PtrSafe Function CreateSymbolicLinkTransactedW Lib "kernel32" ( _
    ByVal lpSymlinkFileName As LongPtr, _
    ByVal lpTargetFileName As LongPtr, _
    ByVal dwFlags As Long, _
    ByVal hTransaction As LongPtr) As Byte
' 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

CreateSymbolicLinkTransactedW = ctypes.windll.kernel32.CreateSymbolicLinkTransactedW
CreateSymbolicLinkTransactedW.restype = wintypes.BOOLEAN
CreateSymbolicLinkTransactedW.argtypes = [
    wintypes.LPCWSTR,  # lpSymlinkFileName : LPCWSTR
    wintypes.LPCWSTR,  # lpTargetFileName : LPCWSTR
    wintypes.DWORD,  # dwFlags : SYMBOLIC_LINK_FLAGS
    wintypes.HANDLE,  # hTransaction : HANDLE
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
CreateSymbolicLinkTransactedW = Fiddle::Function.new(
  lib['CreateSymbolicLinkTransactedW'],
  [
    Fiddle::TYPE_VOIDP,  # lpSymlinkFileName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpTargetFileName : LPCWSTR
    -Fiddle::TYPE_INT,  # dwFlags : SYMBOLIC_LINK_FLAGS
    Fiddle::TYPE_VOIDP,  # hTransaction : HANDLE
  ],
  Fiddle::TYPE_CHAR)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "kernel32")]
extern "system" {
    fn CreateSymbolicLinkTransactedW(
        lpSymlinkFileName: *const u16,  // LPCWSTR
        lpTargetFileName: *const u16,  // LPCWSTR
        dwFlags: u32,  // SYMBOLIC_LINK_FLAGS
        hTransaction: *mut core::ffi::c_void  // HANDLE
    ) -> u8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.U1)]
[DllImport("KERNEL32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool CreateSymbolicLinkTransactedW([MarshalAs(UnmanagedType.LPWStr)] string lpSymlinkFileName, [MarshalAs(UnmanagedType.LPWStr)] string lpTargetFileName, uint dwFlags, IntPtr hTransaction);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_CreateSymbolicLinkTransactedW' -Namespace Win32 -PassThru
# $api::CreateSymbolicLinkTransactedW(lpSymlinkFileName, lpTargetFileName, dwFlags, hTransaction)

#uselib "KERNEL32.dll"
#func global CreateSymbolicLinkTransactedW "CreateSymbolicLinkTransactedW" wptr, wptr, wptr, wptr
; CreateSymbolicLinkTransactedW lpSymlinkFileName, lpTargetFileName, dwFlags, hTransaction   ; 戻り値は stat
; lpSymlinkFileName : LPCWSTR -> "wptr"
; lpTargetFileName : LPCWSTR -> "wptr"
; dwFlags : SYMBOLIC_LINK_FLAGS -> "wptr"
; hTransaction : HANDLE -> "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。

#uselib "KERNEL32.dll"
#cfunc global CreateSymbolicLinkTransactedW "CreateSymbolicLinkTransactedW" wstr, wstr, int, sptr
; res = CreateSymbolicLinkTransactedW(lpSymlinkFileName, lpTargetFileName, dwFlags, hTransaction)
; lpSymlinkFileName : LPCWSTR -> "wstr"
; lpTargetFileName : LPCWSTR -> "wstr"
; dwFlags : SYMBOLIC_LINK_FLAGS -> "int"
; hTransaction : HANDLE -> "sptr"

; BOOLEAN CreateSymbolicLinkTransactedW(LPCWSTR lpSymlinkFileName, LPCWSTR lpTargetFileName, SYMBOLIC_LINK_FLAGS dwFlags, HANDLE hTransaction)
#uselib "KERNEL32.dll"
#cfunc global CreateSymbolicLinkTransactedW "CreateSymbolicLinkTransactedW" wstr, wstr, int, intptr
; res = CreateSymbolicLinkTransactedW(lpSymlinkFileName, lpTargetFileName, dwFlags, hTransaction)
; lpSymlinkFileName : LPCWSTR -> "wstr"
; lpTargetFileName : LPCWSTR -> "wstr"
; dwFlags : SYMBOLIC_LINK_FLAGS -> "int"
; hTransaction : HANDLE -> "intptr"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procCreateSymbolicLinkTransactedW = kernel32.NewProc("CreateSymbolicLinkTransactedW")
)

// lpSymlinkFileName (LPCWSTR), lpTargetFileName (LPCWSTR), dwFlags (SYMBOLIC_LINK_FLAGS), hTransaction (HANDLE)
r1, _, err := procCreateSymbolicLinkTransactedW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpSymlinkFileName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpTargetFileName))),
	uintptr(dwFlags),
	uintptr(hTransaction),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOLEAN

function CreateSymbolicLinkTransactedW(
  lpSymlinkFileName: PWideChar;   // LPCWSTR
  lpTargetFileName: PWideChar;   // LPCWSTR
  dwFlags: DWORD;   // SYMBOLIC_LINK_FLAGS
  hTransaction: THandle   // HANDLE
): ByteBool; stdcall;
  external 'KERNEL32.dll' name 'CreateSymbolicLinkTransactedW';

result := DllCall("KERNEL32\CreateSymbolicLinkTransactedW"
    , "WStr", lpSymlinkFileName   ; LPCWSTR
    , "WStr", lpTargetFileName   ; LPCWSTR
    , "UInt", dwFlags   ; SYMBOLIC_LINK_FLAGS
    , "Ptr", hTransaction   ; HANDLE
    , "Char")   ; return: BOOLEAN

●CreateSymbolicLinkTransactedW(lpSymlinkFileName, lpTargetFileName, dwFlags, hTransaction) = DLL("KERNEL32.dll", "byte CreateSymbolicLinkTransactedW(char*, char*, dword, void*)")
# 呼び出し: CreateSymbolicLinkTransactedW(lpSymlinkFileName, lpTargetFileName, dwFlags, hTransaction)
# lpSymlinkFileName : LPCWSTR -> "char*"
# lpTargetFileName : LPCWSTR -> "char*"
# dwFlags : SYMBOLIC_LINK_FLAGS -> "dword"
# hTransaction : HANDLE -> "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)。
# ※-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 "kernel32" fn CreateSymbolicLinkTransactedW(
    lpSymlinkFileName: [*c]const u16, // LPCWSTR
    lpTargetFileName: [*c]const u16, // LPCWSTR
    dwFlags: u32, // SYMBOLIC_LINK_FLAGS
    hTransaction: ?*anyopaque // HANDLE
) callconv(std.os.windows.WINAPI) u8;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc CreateSymbolicLinkTransactedW(
    lpSymlinkFileName: WideCString,  # LPCWSTR
    lpTargetFileName: WideCString,  # LPCWSTR
    dwFlags: uint32,  # SYMBOLIC_LINK_FLAGS
    hTransaction: pointer  # HANDLE
): uint8 {.importc: "CreateSymbolicLinkTransactedW", stdcall, dynlib: "KERNEL32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "kernel32");
extern(Windows)
ubyte CreateSymbolicLinkTransactedW(
    const(wchar)* lpSymlinkFileName,   // LPCWSTR
    const(wchar)* lpTargetFileName,   // LPCWSTR
    uint dwFlags,   // SYMBOLIC_LINK_FLAGS
    void* hTransaction   // HANDLE
);

ccall((:CreateSymbolicLinkTransactedW, "KERNEL32.dll"), stdcall, UInt8,
      (Cwstring, Cwstring, UInt32, Ptr{Cvoid}),
      lpSymlinkFileName, lpTargetFileName, dwFlags, hTransaction)
# lpSymlinkFileName : LPCWSTR -> Cwstring
# lpTargetFileName : LPCWSTR -> Cwstring
# dwFlags : SYMBOLIC_LINK_FLAGS -> UInt32
# hTransaction : HANDLE -> Ptr{Cvoid}
# 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[[
uint8_t CreateSymbolicLinkTransactedW(
    const uint16_t* lpSymlinkFileName,
    const uint16_t* lpTargetFileName,
    uint32_t dwFlags,
    void* hTransaction);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.CreateSymbolicLinkTransactedW(lpSymlinkFileName, lpTargetFileName, dwFlags, hTransaction)
-- lpSymlinkFileName : LPCWSTR
-- lpTargetFileName : LPCWSTR
-- dwFlags : SYMBOLIC_LINK_FLAGS
-- hTransaction : HANDLE
-- 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('KERNEL32.dll');
const CreateSymbolicLinkTransactedW = lib.func('__stdcall', 'CreateSymbolicLinkTransactedW', 'uint8_t', ['str16', 'str16', 'uint32_t', 'void *']);
// CreateSymbolicLinkTransactedW(lpSymlinkFileName, lpTargetFileName, dwFlags, hTransaction)
// lpSymlinkFileName : LPCWSTR -> 'str16'
// lpTargetFileName : LPCWSTR -> 'str16'
// dwFlags : SYMBOLIC_LINK_FLAGS -> 'uint32_t'
// hTransaction : HANDLE -> 'void *'
// 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("KERNEL32.dll", {
  CreateSymbolicLinkTransactedW: { parameters: ["buffer", "buffer", "u32", "pointer"], result: "u8" },
});
// lib.symbols.CreateSymbolicLinkTransactedW(lpSymlinkFileName, lpTargetFileName, dwFlags, hTransaction)
// lpSymlinkFileName : LPCWSTR -> "buffer"
// lpTargetFileName : LPCWSTR -> "buffer"
// dwFlags : SYMBOLIC_LINK_FLAGS -> "u32"
// hTransaction : HANDLE -> "pointer"
// 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
uint8_t CreateSymbolicLinkTransactedW(
    const uint16_t* lpSymlinkFileName,
    const uint16_t* lpTargetFileName,
    uint32_t dwFlags,
    void* hTransaction);
C, "KERNEL32.dll");
// $ffi->CreateSymbolicLinkTransactedW(lpSymlinkFileName, lpTargetFileName, dwFlags, hTransaction);
// lpSymlinkFileName : LPCWSTR
// lpTargetFileName : LPCWSTR
// dwFlags : SYMBOLIC_LINK_FLAGS
// hTransaction : HANDLE
// 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 Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class, W32APIOptions.UNICODE_OPTIONS);
    byte CreateSymbolicLinkTransactedW(
        WString lpSymlinkFileName,   // LPCWSTR
        WString lpTargetFileName,   // LPCWSTR
        int dwFlags,   // SYMBOLIC_LINK_FLAGS
        Pointer hTransaction   // HANDLE
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("kernel32")]
lib LibKERNEL32
  fun CreateSymbolicLinkTransactedW = CreateSymbolicLinkTransactedW(
    lpSymlinkFileName : UInt16*,   # LPCWSTR
    lpTargetFileName : UInt16*,   # LPCWSTR
    dwFlags : UInt32,   # SYMBOLIC_LINK_FLAGS
    hTransaction : Void*   # HANDLE
  ) : UInt8
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 CreateSymbolicLinkTransactedWNative = Uint8 Function(Pointer<Utf16>, Pointer<Utf16>, Uint32, Pointer<Void>);
typedef CreateSymbolicLinkTransactedWDart = int Function(Pointer<Utf16>, Pointer<Utf16>, int, Pointer<Void>);
final CreateSymbolicLinkTransactedW = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<CreateSymbolicLinkTransactedWNative, CreateSymbolicLinkTransactedWDart>('CreateSymbolicLinkTransactedW');
// lpSymlinkFileName : LPCWSTR -> Pointer<Utf16>
// lpTargetFileName : LPCWSTR -> Pointer<Utf16>
// dwFlags : SYMBOLIC_LINK_FLAGS -> Uint32
// hTransaction : HANDLE -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CreateSymbolicLinkTransactedW(
  lpSymlinkFileName: PWideChar;   // LPCWSTR
  lpTargetFileName: PWideChar;   // LPCWSTR
  dwFlags: DWORD;   // SYMBOLIC_LINK_FLAGS
  hTransaction: THandle   // HANDLE
): ByteBool; stdcall;
  external 'KERNEL32.dll' name 'CreateSymbolicLinkTransactedW';

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

foreign import stdcall safe "CreateSymbolicLinkTransactedW"
  c_CreateSymbolicLinkTransactedW :: CWString -> CWString -> Word32 -> Ptr () -> IO Word8
-- lpSymlinkFileName : LPCWSTR -> CWString
-- lpTargetFileName : LPCWSTR -> CWString
-- dwFlags : SYMBOLIC_LINK_FLAGS -> Word32
-- hTransaction : HANDLE -> 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 createsymboliclinktransactedw =
  foreign "CreateSymbolicLinkTransactedW"
    ((ptr uint16_t) @-> (ptr uint16_t) @-> uint32_t @-> (ptr void) @-> returning uint8_t)
(* lpSymlinkFileName : LPCWSTR -> (ptr uint16_t) *)
(* lpTargetFileName : LPCWSTR -> (ptr uint16_t) *)
(* dwFlags : SYMBOLIC_LINK_FLAGS -> uint32_t *)
(* hTransaction : HANDLE -> (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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("CreateSymbolicLinkTransactedW" create-symbolic-link-transacted-w :convention :stdcall) :uint8
  (lp-symlink-file-name (:string :encoding :utf-16le))   ; LPCWSTR
  (lp-target-file-name (:string :encoding :utf-16le))   ; LPCWSTR
  (dw-flags :uint32)   ; SYMBOLIC_LINK_FLAGS
  (h-transaction :pointer))   ; HANDLE
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CreateSymbolicLinkTransactedW = Win32::API::More->new('KERNEL32',
    'BYTE CreateSymbolicLinkTransactedW(LPCWSTR lpSymlinkFileName, LPCWSTR lpTargetFileName, DWORD dwFlags, HANDLE hTransaction)');
# my $ret = $CreateSymbolicLinkTransactedW->Call($lpSymlinkFileName, $lpTargetFileName, $dwFlags, $hTransaction);
# lpSymlinkFileName : LPCWSTR -> LPCWSTR
# lpTargetFileName : LPCWSTR -> LPCWSTR
# dwFlags : SYMBOLIC_LINK_FLAGS -> DWORD
# hTransaction : HANDLE -> HANDLE
# 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。