RtlLocalTimeToSystemTime

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

NTSTATUS RtlLocalTimeToSystemTime(
    LONGLONG* LocalTime,
    LONGLONG* SystemTime
);

<DllImport("ntdll.dll", ExactSpelling:=True)>
Public Shared Function RtlLocalTimeToSystemTime(
    ByRef LocalTime As Long,   ' LONGLONG* in/out
    ByRef SystemTime As Long   ' LONGLONG* in/out
) As Integer
End Function

' LocalTime : LONGLONG* in/out
' SystemTime : LONGLONG* in/out
Declare PtrSafe Function RtlLocalTimeToSystemTime Lib "ntdll" ( _
    ByRef LocalTime As LongLong, _
    ByRef SystemTime As LongLong) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

RtlLocalTimeToSystemTime = ctypes.windll.ntdll.RtlLocalTimeToSystemTime
RtlLocalTimeToSystemTime.restype = ctypes.c_int
RtlLocalTimeToSystemTime.argtypes = [
    ctypes.POINTER(ctypes.c_longlong),  # LocalTime : LONGLONG* in/out
    ctypes.POINTER(ctypes.c_longlong),  # SystemTime : LONGLONG* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ntdll.dll')
RtlLocalTimeToSystemTime = Fiddle::Function.new(
  lib['RtlLocalTimeToSystemTime'],
  [
    Fiddle::TYPE_VOIDP,  # LocalTime : LONGLONG* in/out
    Fiddle::TYPE_VOIDP,  # SystemTime : LONGLONG* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ntdll")]
extern "system" {
    fn RtlLocalTimeToSystemTime(
        LocalTime: *mut i64,  // LONGLONG* in/out
        SystemTime: *mut i64  // LONGLONG* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ntdll.dll")]
public static extern int RtlLocalTimeToSystemTime(ref long LocalTime, ref long SystemTime);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ntdll_RtlLocalTimeToSystemTime' -Namespace Win32 -PassThru
# $api::RtlLocalTimeToSystemTime(LocalTime, SystemTime)

#uselib "ntdll.dll"
#func global RtlLocalTimeToSystemTime "RtlLocalTimeToSystemTime" sptr, sptr
; RtlLocalTimeToSystemTime varptr(LocalTime), varptr(SystemTime)   ; 戻り値は stat
; LocalTime : LONGLONG* in/out -> "sptr"
; SystemTime : LONGLONG* in/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 "ntdll.dll"
#cfunc global RtlLocalTimeToSystemTime "RtlLocalTimeToSystemTime" var, var
; res = RtlLocalTimeToSystemTime(LocalTime, SystemTime)
; LocalTime : LONGLONG* in/out -> "var"
; SystemTime : LONGLONG* in/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。

; NTSTATUS RtlLocalTimeToSystemTime(LONGLONG* LocalTime, LONGLONG* SystemTime)
#uselib "ntdll.dll"
#cfunc global RtlLocalTimeToSystemTime "RtlLocalTimeToSystemTime" var, var
; res = RtlLocalTimeToSystemTime(LocalTime, SystemTime)
; LocalTime : LONGLONG* in/out -> "var"
; SystemTime : LONGLONG* in/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 (
	ntdll = windows.NewLazySystemDLL("ntdll.dll")
	procRtlLocalTimeToSystemTime = ntdll.NewProc("RtlLocalTimeToSystemTime")
)

// LocalTime (LONGLONG* in/out), SystemTime (LONGLONG* in/out)
r1, _, err := procRtlLocalTimeToSystemTime.Call(
	uintptr(LocalTime),
	uintptr(SystemTime),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // NTSTATUS

function RtlLocalTimeToSystemTime(
  LocalTime: Pointer;   // LONGLONG* in/out
  SystemTime: Pointer   // LONGLONG* in/out
): Integer; stdcall;
  external 'ntdll.dll' name 'RtlLocalTimeToSystemTime';

result := DllCall("ntdll\RtlLocalTimeToSystemTime"
    , "Ptr", LocalTime   ; LONGLONG* in/out
    , "Ptr", SystemTime   ; LONGLONG* in/out
    , "Int")   ; return: NTSTATUS

●RtlLocalTimeToSystemTime(LocalTime, SystemTime) = DLL("ntdll.dll", "int RtlLocalTimeToSystemTime(void*, void*)")
# 呼び出し: RtlLocalTimeToSystemTime(LocalTime, SystemTime)
# LocalTime : LONGLONG* in/out -> "void*"
# SystemTime : LONGLONG* in/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)。