CoFileTimeToDosDateTime

// OLE32.dll
#include <windows.h>

BOOL CoFileTimeToDosDateTime(
    FILETIME* lpFileTime,
    WORD* lpDosDate,
    WORD* lpDosTime
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function CoFileTimeToDosDateTime(
    lpFileTime As IntPtr,   ' FILETIME*
    <Out> ByRef lpDosDate As UShort,   ' WORD* out
    <Out> ByRef lpDosTime As UShort   ' WORD* out
) As Boolean
End Function

' lpFileTime : FILETIME*
' lpDosDate : WORD* out
' lpDosTime : WORD* out
Declare PtrSafe Function CoFileTimeToDosDateTime Lib "ole32" ( _
    ByVal lpFileTime As LongPtr, _
    ByRef lpDosDate As Integer, _
    ByRef lpDosTime 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

CoFileTimeToDosDateTime = ctypes.windll.ole32.CoFileTimeToDosDateTime
CoFileTimeToDosDateTime.restype = wintypes.BOOL
CoFileTimeToDosDateTime.argtypes = [
    ctypes.c_void_p,  # lpFileTime : FILETIME*
    ctypes.POINTER(ctypes.c_ushort),  # lpDosDate : WORD* out
    ctypes.POINTER(ctypes.c_ushort),  # lpDosTime : WORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
CoFileTimeToDosDateTime = Fiddle::Function.new(
  lib['CoFileTimeToDosDateTime'],
  [
    Fiddle::TYPE_VOIDP,  # lpFileTime : FILETIME*
    Fiddle::TYPE_VOIDP,  # lpDosDate : WORD* out
    Fiddle::TYPE_VOIDP,  # lpDosTime : WORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ole32")]
extern "system" {
    fn CoFileTimeToDosDateTime(
        lpFileTime: *mut FILETIME,  // FILETIME*
        lpDosDate: *mut u16,  // WORD* out
        lpDosTime: *mut u16  // WORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("OLE32.dll")]
public static extern bool CoFileTimeToDosDateTime(IntPtr lpFileTime, out ushort lpDosDate, out ushort lpDosTime);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_CoFileTimeToDosDateTime' -Namespace Win32 -PassThru
# $api::CoFileTimeToDosDateTime(lpFileTime, lpDosDate, lpDosTime)

#uselib "OLE32.dll"
#func global CoFileTimeToDosDateTime "CoFileTimeToDosDateTime" sptr, sptr, sptr
; CoFileTimeToDosDateTime varptr(lpFileTime), varptr(lpDosDate), varptr(lpDosTime)   ; 戻り値は stat
; lpFileTime : FILETIME* -> "sptr"
; lpDosDate : WORD* out -> "sptr"
; lpDosTime : 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。

#uselib "OLE32.dll"
#cfunc global CoFileTimeToDosDateTime "CoFileTimeToDosDateTime" var, var, var
; res = CoFileTimeToDosDateTime(lpFileTime, lpDosDate, lpDosTime)
; lpFileTime : FILETIME* -> "var"
; lpDosDate : WORD* out -> "var"
; lpDosTime : WORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; BOOL CoFileTimeToDosDateTime(FILETIME* lpFileTime, WORD* lpDosDate, WORD* lpDosTime)
#uselib "OLE32.dll"
#cfunc global CoFileTimeToDosDateTime "CoFileTimeToDosDateTime" var, var, var
; res = CoFileTimeToDosDateTime(lpFileTime, lpDosDate, lpDosTime)
; lpFileTime : FILETIME* -> "var"
; lpDosDate : WORD* out -> "var"
; lpDosTime : WORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procCoFileTimeToDosDateTime = ole32.NewProc("CoFileTimeToDosDateTime")
)

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

function CoFileTimeToDosDateTime(
  lpFileTime: Pointer;   // FILETIME*
  lpDosDate: Pointer;   // WORD* out
  lpDosTime: Pointer   // WORD* out
): BOOL; stdcall;
  external 'OLE32.dll' name 'CoFileTimeToDosDateTime';

result := DllCall("OLE32\CoFileTimeToDosDateTime"
    , "Ptr", lpFileTime   ; FILETIME*
    , "Ptr", lpDosDate   ; WORD* out
    , "Ptr", lpDosTime   ; WORD* out
    , "Int")   ; return: BOOL

●CoFileTimeToDosDateTime(lpFileTime, lpDosDate, lpDosTime) = DLL("OLE32.dll", "bool CoFileTimeToDosDateTime(void*, void*, void*)")
# 呼び出し: CoFileTimeToDosDateTime(lpFileTime, lpDosDate, lpDosTime)
# lpFileTime : FILETIME* -> "void*"
# lpDosDate : WORD* out -> "void*"
# lpDosTime : 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)。