utmscale_toInt64

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

LONGLONG utmscale_toInt64(
    LONGLONG universalTime,
    UDateTimeScale timeScale,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function utmscale_toInt64(
    universalTime As Long,   ' LONGLONG
    timeScale As Integer,   ' UDateTimeScale
    ByRef status As Integer   ' UErrorCode* in/out
) As Long
End Function

' universalTime : LONGLONG
' timeScale : UDateTimeScale
' status : UErrorCode* in/out
Declare PtrSafe Function utmscale_toInt64 Lib "icuin" ( _
    ByVal universalTime As LongLong, _
    ByVal timeScale As Long, _
    ByRef status As Long) As LongLong
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

utmscale_toInt64 = ctypes.cdll.icuin.utmscale_toInt64
utmscale_toInt64.restype = ctypes.c_longlong
utmscale_toInt64.argtypes = [
    ctypes.c_longlong,  # universalTime : LONGLONG
    ctypes.c_int,  # timeScale : UDateTimeScale
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
utmscale_toInt64 = Fiddle::Function.new(
  lib['utmscale_toInt64'],
  [
    Fiddle::TYPE_LONG_LONG,  # universalTime : LONGLONG
    Fiddle::TYPE_INT,  # timeScale : UDateTimeScale
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_LONG_LONG, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn utmscale_toInt64(
        universalTime: i64,  // LONGLONG
        timeScale: i32,  // UDateTimeScale
        status: *mut i32  // UErrorCode* in/out
    ) -> i64;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern long utmscale_toInt64(long universalTime, int timeScale, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_utmscale_toInt64' -Namespace Win32 -PassThru
# $api::utmscale_toInt64(universalTime, timeScale, status)

#uselib "icuin.dll"
#func global utmscale_toInt64 "utmscale_toInt64" sptr, sptr, sptr
; utmscale_toInt64 universalTime, timeScale, varptr(status)   ; 戻り値は stat
; universalTime : LONGLONG -> "sptr"
; timeScale : UDateTimeScale -> "sptr"
; status : UErrorCode* in/out -> "sptr"
; ※HSP3.7は int64 引数(64bit値渡し)に非対応です。
; ※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 (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procutmscale_toInt64 = icuin.NewProc("utmscale_toInt64")
)

// universalTime (LONGLONG), timeScale (UDateTimeScale), status (UErrorCode* in/out)
r1, _, err := procutmscale_toInt64.Call(
	uintptr(universalTime),
	uintptr(timeScale),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LONGLONG

function utmscale_toInt64(
  universalTime: Int64;   // LONGLONG
  timeScale: Integer;   // UDateTimeScale
  status: Pointer   // UErrorCode* in/out
): Int64; cdecl;
  external 'icuin.dll' name 'utmscale_toInt64';

result := DllCall("icuin\utmscale_toInt64"
    , "Int64", universalTime   ; LONGLONG
    , "Int", timeScale   ; UDateTimeScale
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Int64")   ; return: LONGLONG

●utmscale_toInt64(universalTime, timeScale, status) = DLL("icuin.dll", "int64 utmscale_toInt64(int64, int, void*)")
# 呼び出し: utmscale_toInt64(universalTime, timeScale, status)
# universalTime : LONGLONG -> "int64"
# timeScale : UDateTimeScale -> "int"
# status : UErrorCode* 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)。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。

const std = @import("std");

extern "icuin" fn utmscale_toInt64(
    universalTime: i64, // LONGLONG
    timeScale: i32, // UDateTimeScale
    status: [*c]i32 // UErrorCode* in/out
) callconv(.c) i64;

proc utmscale_toInt64(
    universalTime: int64,  # LONGLONG
    timeScale: int32,  # UDateTimeScale
    status: ptr int32  # UErrorCode* in/out
): int64 {.importc: "utmscale_toInt64", cdecl, dynlib: "icuin.dll".}

pragma(lib, "icuin");
extern(C)
long utmscale_toInt64(
    long universalTime,   // LONGLONG
    int timeScale,   // UDateTimeScale
    int* status   // UErrorCode* in/out
);

ccall((:utmscale_toInt64, "icuin.dll"), Int64,
      (Int64, Int32, Ptr{Int32}),
      universalTime, timeScale, status)
# universalTime : LONGLONG -> Int64
# timeScale : UDateTimeScale -> Int32
# status : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
int64_t utmscale_toInt64(
    int64_t universalTime,
    int32_t timeScale,
    int32_t* status);
]]
local icuin = ffi.load("icuin")
-- icuin.utmscale_toInt64(universalTime, timeScale, status)
-- universalTime : LONGLONG
-- timeScale : UDateTimeScale
-- status : UErrorCode* in/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('icuin.dll');
const utmscale_toInt64 = lib.func('__cdecl', 'utmscale_toInt64', 'int64_t', ['int64_t', 'int32_t', 'int32_t *']);
// utmscale_toInt64(universalTime, timeScale, status)
// universalTime : LONGLONG -> 'int64_t'
// timeScale : UDateTimeScale -> 'int32_t'
// status : UErrorCode* in/out -> 'int32_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("icuin.dll", {
  utmscale_toInt64: { parameters: ["i64", "i32", "pointer"], result: "i64" },
});
// lib.symbols.utmscale_toInt64(universalTime, timeScale, status)
// universalTime : LONGLONG -> "i64"
// timeScale : UDateTimeScale -> "i32"
// status : UErrorCode* in/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
int64_t utmscale_toInt64(
    int64_t universalTime,
    int32_t timeScale,
    int32_t* status);
C, "icuin.dll");
// $ffi->utmscale_toInt64(universalTime, timeScale, status);
// universalTime : LONGLONG
// timeScale : UDateTimeScale
// status : UErrorCode* in/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。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Icuin extends Library {
    Icuin INSTANCE = Native.load("icuin", Icuin.class);
    long utmscale_toInt64(
        long universalTime,   // LONGLONG
        int timeScale,   // UDateTimeScale
        IntByReference status   // UErrorCode* in/out
    );
}

@[Link("icuin")]
lib Libicuin
  fun utmscale_toInt64 = utmscale_toInt64(
    universalTime : Int64,   # LONGLONG
    timeScale : Int32,   # UDateTimeScale
    status : Int32*   # UErrorCode* in/out
  ) : Int64
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef utmscale_toInt64Native = Int64 Function(Int64, Int32, Pointer<Int32>);
typedef utmscale_toInt64Dart = int Function(int, int, Pointer<Int32>);
final utmscale_toInt64 = DynamicLibrary.open('icuin.dll')
    .lookupFunction<utmscale_toInt64Native, utmscale_toInt64Dart>('utmscale_toInt64');
// universalTime : LONGLONG -> Int64
// timeScale : UDateTimeScale -> Int32
// status : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function utmscale_toInt64(
  universalTime: Int64;   // LONGLONG
  timeScale: Integer;   // UDateTimeScale
  status: Pointer   // UErrorCode* in/out
): Int64; cdecl;
  external 'icuin.dll' name 'utmscale_toInt64';

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

foreign import ccall safe "utmscale_toInt64"
  c_utmscale_toInt64 :: Int64 -> Int32 -> Ptr Int32 -> IO Int64
-- universalTime : LONGLONG -> Int64
-- timeScale : UDateTimeScale -> Int32
-- status : UErrorCode* in/out -> Ptr Int32
-- 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 utmscale_toint64 =
  foreign "utmscale_toInt64"
    (int64_t @-> int32_t @-> (ptr int32_t) @-> returning int64_t)
(* universalTime : LONGLONG -> int64_t *)
(* timeScale : UDateTimeScale -> int32_t *)
(* status : UErrorCode* in/out -> (ptr int32_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 icuin (t "icuin.dll"))
(cffi:use-foreign-library icuin)

(cffi:defcfun ("utmscale_toInt64" utmscale-to-int64 :convention :cdecl) :int64
  (universal-time :int64)   ; LONGLONG
  (time-scale :int32)   ; UDateTimeScale
  (status :pointer))   ; UErrorCode* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $utmscale_toInt64 = Win32::API::More->new('icuin',
    'INT64 utmscale_toInt64(INT64 universalTime, int timeScale, LPVOID status)');
# my $ret = $utmscale_toInt64->Call($universalTime, $timeScale, $status);
# universalTime : LONGLONG -> INT64
# timeScale : UDateTimeScale -> int
# status : UErrorCode* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。