FileTimeToDosDateTime

// KERNEL32.dll
#include <windows.h>

BOOL FileTimeToDosDateTime(
    const FILETIME* lpFileTime,
    WORD* lpFatDate,
    WORD* lpFatTime
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function FileTimeToDosDateTime(
    lpFileTime As IntPtr,   ' FILETIME*
    <Out> ByRef lpFatDate As UShort,   ' WORD* out
    <Out> ByRef lpFatTime As UShort   ' WORD* out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' lpFileTime : FILETIME*
' lpFatDate : WORD* out
' lpFatTime : WORD* out
Declare PtrSafe Function FileTimeToDosDateTime Lib "kernel32" ( _
    ByVal lpFileTime As LongPtr, _
    ByRef lpFatDate As Integer, _
    ByRef lpFatTime As Integer) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

FileTimeToDosDateTime = ctypes.windll.kernel32.FileTimeToDosDateTime
FileTimeToDosDateTime.restype = wintypes.BOOL
FileTimeToDosDateTime.argtypes = [
    ctypes.c_void_p,  # lpFileTime : FILETIME*
    ctypes.POINTER(ctypes.c_ushort),  # lpFatDate : WORD* out
    ctypes.POINTER(ctypes.c_ushort),  # lpFatTime : WORD* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
FileTimeToDosDateTime = Fiddle::Function.new(
  lib['FileTimeToDosDateTime'],
  [
    Fiddle::TYPE_VOIDP,  # lpFileTime : FILETIME*
    Fiddle::TYPE_VOIDP,  # lpFatDate : WORD* out
    Fiddle::TYPE_VOIDP,  # lpFatTime : WORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn FileTimeToDosDateTime(
        lpFileTime: *const FILETIME,  // FILETIME*
        lpFatDate: *mut u16,  // WORD* out
        lpFatTime: *mut u16  // WORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern bool FileTimeToDosDateTime(IntPtr lpFileTime, out ushort lpFatDate, out ushort lpFatTime);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_FileTimeToDosDateTime' -Namespace Win32 -PassThru
# $api::FileTimeToDosDateTime(lpFileTime, lpFatDate, lpFatTime)

#uselib "KERNEL32.dll"
#func global FileTimeToDosDateTime "FileTimeToDosDateTime" sptr, sptr, sptr
; FileTimeToDosDateTime varptr(lpFileTime), varptr(lpFatDate), varptr(lpFatTime)   ; 戻り値は stat
; lpFileTime : FILETIME* -> "sptr"
; lpFatDate : WORD* out -> "sptr"
; lpFatTime : WORD* 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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procFileTimeToDosDateTime = kernel32.NewProc("FileTimeToDosDateTime")
)

// lpFileTime (FILETIME*), lpFatDate (WORD* out), lpFatTime (WORD* out)
r1, _, err := procFileTimeToDosDateTime.Call(
	uintptr(lpFileTime),
	uintptr(lpFatDate),
	uintptr(lpFatTime),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function FileTimeToDosDateTime(
  lpFileTime: Pointer;   // FILETIME*
  lpFatDate: Pointer;   // WORD* out
  lpFatTime: Pointer   // WORD* out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'FileTimeToDosDateTime';

result := DllCall("KERNEL32\FileTimeToDosDateTime"
    , "Ptr", lpFileTime   ; FILETIME*
    , "Ptr", lpFatDate   ; WORD* out
    , "Ptr", lpFatTime   ; WORD* out
    , "Int")   ; return: BOOL

●FileTimeToDosDateTime(lpFileTime, lpFatDate, lpFatTime) = DLL("KERNEL32.dll", "bool FileTimeToDosDateTime(void*, void*, void*)")
# 呼び出し: FileTimeToDosDateTime(lpFileTime, lpFatDate, lpFatTime)
# lpFileTime : FILETIME* -> "void*"
# lpFatDate : WORD* out -> "void*"
# lpFatTime : WORD* 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 "kernel32" fn FileTimeToDosDateTime(
    lpFileTime: [*c]FILETIME, // FILETIME*
    lpFatDate: [*c]u16, // WORD* out
    lpFatTime: [*c]u16 // WORD* out
) callconv(std.os.windows.WINAPI) i32;

proc FileTimeToDosDateTime(
    lpFileTime: ptr FILETIME,  # FILETIME*
    lpFatDate: ptr uint16,  # WORD* out
    lpFatTime: ptr uint16  # WORD* out
): int32 {.importc: "FileTimeToDosDateTime", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
int FileTimeToDosDateTime(
    FILETIME* lpFileTime,   // FILETIME*
    ushort* lpFatDate,   // WORD* out
    ushort* lpFatTime   // WORD* out
);

ccall((:FileTimeToDosDateTime, "KERNEL32.dll"), stdcall, Int32,
      (Ptr{FILETIME}, Ptr{UInt16}, Ptr{UInt16}),
      lpFileTime, lpFatDate, lpFatTime)
# lpFileTime : FILETIME* -> Ptr{FILETIME}
# lpFatDate : WORD* out -> Ptr{UInt16}
# lpFatTime : WORD* out -> Ptr{UInt16}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t FileTimeToDosDateTime(
    void* lpFileTime,
    uint16_t* lpFatDate,
    uint16_t* lpFatTime);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.FileTimeToDosDateTime(lpFileTime, lpFatDate, lpFatTime)
-- lpFileTime : FILETIME*
-- lpFatDate : WORD* out
-- lpFatTime : WORD* 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('KERNEL32.dll');
const FileTimeToDosDateTime = lib.func('__stdcall', 'FileTimeToDosDateTime', 'int32_t', ['void *', 'uint16_t *', 'uint16_t *']);
// FileTimeToDosDateTime(lpFileTime, lpFatDate, lpFatTime)
// lpFileTime : FILETIME* -> 'void *'
// lpFatDate : WORD* out -> 'uint16_t *'
// lpFatTime : WORD* out -> 'uint16_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("KERNEL32.dll", {
  FileTimeToDosDateTime: { parameters: ["pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.FileTimeToDosDateTime(lpFileTime, lpFatDate, lpFatTime)
// lpFileTime : FILETIME* -> "pointer"
// lpFatDate : WORD* out -> "pointer"
// lpFatTime : WORD* 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 FileTimeToDosDateTime(
    void* lpFileTime,
    uint16_t* lpFatDate,
    uint16_t* lpFatTime);
C, "KERNEL32.dll");
// $ffi->FileTimeToDosDateTime(lpFileTime, lpFatDate, lpFatTime);
// lpFileTime : FILETIME*
// lpFatDate : WORD* out
// lpFatTime : WORD* 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 Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class);
    boolean FileTimeToDosDateTime(
        Pointer lpFileTime,   // FILETIME*
        ShortByReference lpFatDate,   // WORD* out
        ShortByReference lpFatTime   // WORD* out
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun FileTimeToDosDateTime = FileTimeToDosDateTime(
    lpFileTime : FILETIME*,   # FILETIME*
    lpFatDate : UInt16*,   # WORD* out
    lpFatTime : UInt16*   # WORD* 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 FileTimeToDosDateTimeNative = Int32 Function(Pointer<Void>, Pointer<Uint16>, Pointer<Uint16>);
typedef FileTimeToDosDateTimeDart = int Function(Pointer<Void>, Pointer<Uint16>, Pointer<Uint16>);
final FileTimeToDosDateTime = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<FileTimeToDosDateTimeNative, FileTimeToDosDateTimeDart>('FileTimeToDosDateTime');
// lpFileTime : FILETIME* -> Pointer<Void>
// lpFatDate : WORD* out -> Pointer<Uint16>
// lpFatTime : WORD* out -> Pointer<Uint16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function FileTimeToDosDateTime(
  lpFileTime: Pointer;   // FILETIME*
  lpFatDate: Pointer;   // WORD* out
  lpFatTime: Pointer   // WORD* out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'FileTimeToDosDateTime';

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

foreign import stdcall safe "FileTimeToDosDateTime"
  c_FileTimeToDosDateTime :: Ptr () -> Ptr Word16 -> Ptr Word16 -> IO CInt
-- lpFileTime : FILETIME* -> Ptr ()
-- lpFatDate : WORD* out -> Ptr Word16
-- lpFatTime : WORD* out -> Ptr Word16
-- 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 filetimetodosdatetime =
  foreign "FileTimeToDosDateTime"
    ((ptr void) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> returning int32_t)
(* lpFileTime : FILETIME* -> (ptr void) *)
(* lpFatDate : WORD* out -> (ptr uint16_t) *)
(* lpFatTime : WORD* out -> (ptr uint16_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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("FileTimeToDosDateTime" file-time-to-dos-date-time :convention :stdcall) :int32
  (lp-file-time :pointer)   ; FILETIME*
  (lp-fat-date :pointer)   ; WORD* out
  (lp-fat-time :pointer))   ; WORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $FileTimeToDosDateTime = Win32::API::More->new('KERNEL32',
    'BOOL FileTimeToDosDateTime(LPVOID lpFileTime, LPVOID lpFatDate, LPVOID lpFatTime)');
# my $ret = $FileTimeToDosDateTime->Call($lpFileTime, $lpFatDate, $lpFatTime);
# lpFileTime : FILETIME* -> LPVOID
# lpFatDate : WORD* out -> LPVOID
# lpFatTime : WORD* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。