CreateHardLinkA

// KERNEL32.dll  (ANSI / -A)
#include <windows.h>

BOOL CreateHardLinkA(
    LPCSTR lpFileName,
    LPCSTR lpExistingFileName,
    SECURITY_ATTRIBUTES* lpSecurityAttributes   // optional
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CreateHardLinkA(
    <MarshalAs(UnmanagedType.LPStr)> lpFileName As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> lpExistingFileName As String,   ' LPCSTR
    lpSecurityAttributes As IntPtr   ' SECURITY_ATTRIBUTES* optional
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' lpFileName : LPCSTR
' lpExistingFileName : LPCSTR
' lpSecurityAttributes : SECURITY_ATTRIBUTES* optional
Declare PtrSafe Function CreateHardLinkA Lib "kernel32" ( _
    ByVal lpFileName As String, _
    ByVal lpExistingFileName As String, _
    ByVal lpSecurityAttributes 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

CreateHardLinkA = ctypes.windll.kernel32.CreateHardLinkA
CreateHardLinkA.restype = wintypes.BOOL
CreateHardLinkA.argtypes = [
    wintypes.LPCSTR,  # lpFileName : LPCSTR
    wintypes.LPCSTR,  # lpExistingFileName : LPCSTR
    ctypes.c_void_p,  # lpSecurityAttributes : SECURITY_ATTRIBUTES* optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
CreateHardLinkA = Fiddle::Function.new(
  lib['CreateHardLinkA'],
  [
    Fiddle::TYPE_VOIDP,  # lpFileName : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpExistingFileName : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpSecurityAttributes : SECURITY_ATTRIBUTES* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn CreateHardLinkA(
        lpFileName: *const u8,  // LPCSTR
        lpExistingFileName: *const u8,  // LPCSTR
        lpSecurityAttributes: *mut SECURITY_ATTRIBUTES  // SECURITY_ATTRIBUTES* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool CreateHardLinkA([MarshalAs(UnmanagedType.LPStr)] string lpFileName, [MarshalAs(UnmanagedType.LPStr)] string lpExistingFileName, IntPtr lpSecurityAttributes);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_CreateHardLinkA' -Namespace Win32 -PassThru
# $api::CreateHardLinkA(lpFileName, lpExistingFileName, lpSecurityAttributes)

#uselib "KERNEL32.dll"
#func global CreateHardLinkA "CreateHardLinkA" sptr, sptr, sptr
; CreateHardLinkA lpFileName, lpExistingFileName, varptr(lpSecurityAttributes)   ; 戻り値は stat
; lpFileName : LPCSTR -> "sptr"
; lpExistingFileName : LPCSTR -> "sptr"
; lpSecurityAttributes : SECURITY_ATTRIBUTES* 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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procCreateHardLinkA = kernel32.NewProc("CreateHardLinkA")
)

// lpFileName (LPCSTR), lpExistingFileName (LPCSTR), lpSecurityAttributes (SECURITY_ATTRIBUTES* optional)
r1, _, err := procCreateHardLinkA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpFileName))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpExistingFileName))),
	uintptr(lpSecurityAttributes),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CreateHardLinkA(
  lpFileName: PAnsiChar;   // LPCSTR
  lpExistingFileName: PAnsiChar;   // LPCSTR
  lpSecurityAttributes: Pointer   // SECURITY_ATTRIBUTES* optional
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'CreateHardLinkA';

result := DllCall("KERNEL32\CreateHardLinkA"
    , "AStr", lpFileName   ; LPCSTR
    , "AStr", lpExistingFileName   ; LPCSTR
    , "Ptr", lpSecurityAttributes   ; SECURITY_ATTRIBUTES* optional
    , "Int")   ; return: BOOL

●CreateHardLinkA(lpFileName, lpExistingFileName, lpSecurityAttributes) = DLL("KERNEL32.dll", "bool CreateHardLinkA(char*, char*, void*)")
# 呼び出し: CreateHardLinkA(lpFileName, lpExistingFileName, lpSecurityAttributes)
# lpFileName : LPCSTR -> "char*"
# lpExistingFileName : LPCSTR -> "char*"
# lpSecurityAttributes : SECURITY_ATTRIBUTES* 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 "kernel32" fn CreateHardLinkA(
    lpFileName: [*c]const u8, // LPCSTR
    lpExistingFileName: [*c]const u8, // LPCSTR
    lpSecurityAttributes: [*c]SECURITY_ATTRIBUTES // SECURITY_ATTRIBUTES* optional
) callconv(std.os.windows.WINAPI) i32;

proc CreateHardLinkA(
    lpFileName: cstring,  # LPCSTR
    lpExistingFileName: cstring,  # LPCSTR
    lpSecurityAttributes: ptr SECURITY_ATTRIBUTES  # SECURITY_ATTRIBUTES* optional
): int32 {.importc: "CreateHardLinkA", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
int CreateHardLinkA(
    const(char)* lpFileName,   // LPCSTR
    const(char)* lpExistingFileName,   // LPCSTR
    SECURITY_ATTRIBUTES* lpSecurityAttributes   // SECURITY_ATTRIBUTES* optional
);

ccall((:CreateHardLinkA, "KERNEL32.dll"), stdcall, Int32,
      (Cstring, Cstring, Ptr{SECURITY_ATTRIBUTES}),
      lpFileName, lpExistingFileName, lpSecurityAttributes)
# lpFileName : LPCSTR -> Cstring
# lpExistingFileName : LPCSTR -> Cstring
# lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> Ptr{SECURITY_ATTRIBUTES}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t CreateHardLinkA(
    const char* lpFileName,
    const char* lpExistingFileName,
    void* lpSecurityAttributes);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.CreateHardLinkA(lpFileName, lpExistingFileName, lpSecurityAttributes)
-- lpFileName : LPCSTR
-- lpExistingFileName : LPCSTR
-- lpSecurityAttributes : SECURITY_ATTRIBUTES* 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('KERNEL32.dll');
const CreateHardLinkA = lib.func('__stdcall', 'CreateHardLinkA', 'int32_t', ['str', 'str', 'void *']);
// CreateHardLinkA(lpFileName, lpExistingFileName, lpSecurityAttributes)
// lpFileName : LPCSTR -> 'str'
// lpExistingFileName : LPCSTR -> 'str'
// lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> '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", {
  CreateHardLinkA: { parameters: ["buffer", "buffer", "pointer"], result: "i32" },
});
// lib.symbols.CreateHardLinkA(lpFileName, lpExistingFileName, lpSecurityAttributes)
// lpFileName : LPCSTR -> "buffer"
// lpExistingFileName : LPCSTR -> "buffer"
// lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> "pointer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t CreateHardLinkA(
    const char* lpFileName,
    const char* lpExistingFileName,
    void* lpSecurityAttributes);
C, "KERNEL32.dll");
// $ffi->CreateHardLinkA(lpFileName, lpExistingFileName, lpSecurityAttributes);
// lpFileName : LPCSTR
// lpExistingFileName : LPCSTR
// lpSecurityAttributes : SECURITY_ATTRIBUTES* 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 Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class, W32APIOptions.ASCII_OPTIONS);
    boolean CreateHardLinkA(
        String lpFileName,   // LPCSTR
        String lpExistingFileName,   // LPCSTR
        Pointer lpSecurityAttributes   // SECURITY_ATTRIBUTES* optional
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun CreateHardLinkA = CreateHardLinkA(
    lpFileName : UInt8*,   # LPCSTR
    lpExistingFileName : UInt8*,   # LPCSTR
    lpSecurityAttributes : SECURITY_ATTRIBUTES*   # SECURITY_ATTRIBUTES* 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 CreateHardLinkANative = Int32 Function(Pointer<Utf8>, Pointer<Utf8>, Pointer<Void>);
typedef CreateHardLinkADart = int Function(Pointer<Utf8>, Pointer<Utf8>, Pointer<Void>);
final CreateHardLinkA = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<CreateHardLinkANative, CreateHardLinkADart>('CreateHardLinkA');
// lpFileName : LPCSTR -> Pointer<Utf8>
// lpExistingFileName : LPCSTR -> Pointer<Utf8>
// lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CreateHardLinkA(
  lpFileName: PAnsiChar;   // LPCSTR
  lpExistingFileName: PAnsiChar;   // LPCSTR
  lpSecurityAttributes: Pointer   // SECURITY_ATTRIBUTES* optional
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'CreateHardLinkA';

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

foreign import stdcall safe "CreateHardLinkA"
  c_CreateHardLinkA :: CString -> CString -> Ptr () -> IO CInt
-- lpFileName : LPCSTR -> CString
-- lpExistingFileName : LPCSTR -> CString
-- lpSecurityAttributes : SECURITY_ATTRIBUTES* 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 createhardlinka =
  foreign "CreateHardLinkA"
    (string @-> string @-> (ptr void) @-> returning int32_t)
(* lpFileName : LPCSTR -> string *)
(* lpExistingFileName : LPCSTR -> string *)
(* lpSecurityAttributes : SECURITY_ATTRIBUTES* 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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("CreateHardLinkA" create-hard-link-a :convention :stdcall) :int32
  (lp-file-name :string)   ; LPCSTR
  (lp-existing-file-name :string)   ; LPCSTR
  (lp-security-attributes :pointer))   ; SECURITY_ATTRIBUTES* optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CreateHardLinkA = Win32::API::More->new('KERNEL32',
    'BOOL CreateHardLinkA(LPCSTR lpFileName, LPCSTR lpExistingFileName, LPVOID lpSecurityAttributes)');
# my $ret = $CreateHardLinkA->Call($lpFileName, $lpExistingFileName, $lpSecurityAttributes);
# lpFileName : LPCSTR -> LPCSTR
# lpExistingFileName : LPCSTR -> LPCSTR
# lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。