ureldatefmt_open

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

URelativeDateTimeFormatter* ureldatefmt_open(
    LPCSTR locale,
    void** nfToAdopt,
    UDateRelativeDateTimeFormatterStyle width,
    UDisplayContext capitalizationContext,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ureldatefmt_open(
    <MarshalAs(UnmanagedType.LPStr)> locale As String,   ' LPCSTR
    nfToAdopt As IntPtr,   ' void** in/out
    width As Integer,   ' UDateRelativeDateTimeFormatterStyle
    capitalizationContext As Integer,   ' UDisplayContext
    ByRef status As Integer   ' UErrorCode* in/out
) As IntPtr
End Function

' locale : LPCSTR
' nfToAdopt : void** in/out
' width : UDateRelativeDateTimeFormatterStyle
' capitalizationContext : UDisplayContext
' status : UErrorCode* in/out
Declare PtrSafe Function ureldatefmt_open Lib "icuin" ( _
    ByVal locale As String, _
    ByVal nfToAdopt As LongPtr, _
    ByVal width As Long, _
    ByVal capitalizationContext As Long, _
    ByRef status As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ureldatefmt_open = ctypes.cdll.icuin.ureldatefmt_open
ureldatefmt_open.restype = ctypes.c_void_p
ureldatefmt_open.argtypes = [
    wintypes.LPCSTR,  # locale : LPCSTR
    ctypes.c_void_p,  # nfToAdopt : void** in/out
    ctypes.c_int,  # width : UDateRelativeDateTimeFormatterStyle
    ctypes.c_int,  # capitalizationContext : UDisplayContext
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
ureldatefmt_open = Fiddle::Function.new(
  lib['ureldatefmt_open'],
  [
    Fiddle::TYPE_VOIDP,  # locale : LPCSTR
    Fiddle::TYPE_VOIDP,  # nfToAdopt : void** in/out
    Fiddle::TYPE_INT,  # width : UDateRelativeDateTimeFormatterStyle
    Fiddle::TYPE_INT,  # capitalizationContext : UDisplayContext
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn ureldatefmt_open(
        locale: *const u8,  // LPCSTR
        nfToAdopt: *mut *mut (),  // void** in/out
        width: i32,  // UDateRelativeDateTimeFormatterStyle
        capitalizationContext: i32,  // UDisplayContext
        status: *mut i32  // UErrorCode* in/out
    ) -> *mut isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr ureldatefmt_open([MarshalAs(UnmanagedType.LPStr)] string locale, IntPtr nfToAdopt, int width, int capitalizationContext, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_ureldatefmt_open' -Namespace Win32 -PassThru
# $api::ureldatefmt_open(locale, nfToAdopt, width, capitalizationContext, status)

#uselib "icuin.dll"
#func global ureldatefmt_open "ureldatefmt_open" sptr, sptr, sptr, sptr, sptr
; ureldatefmt_open locale, nfToAdopt, width, capitalizationContext, varptr(status)   ; 戻り値は stat
; locale : LPCSTR -> "sptr"
; nfToAdopt : void** in/out -> "sptr"
; width : UDateRelativeDateTimeFormatterStyle -> "sptr"
; capitalizationContext : UDisplayContext -> "sptr"
; status : UErrorCode* 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。

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

var (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procureldatefmt_open = icuin.NewProc("ureldatefmt_open")
)

// locale (LPCSTR), nfToAdopt (void** in/out), width (UDateRelativeDateTimeFormatterStyle), capitalizationContext (UDisplayContext), status (UErrorCode* in/out)
r1, _, err := procureldatefmt_open.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(locale))),
	uintptr(nfToAdopt),
	uintptr(width),
	uintptr(capitalizationContext),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // URelativeDateTimeFormatter*

function ureldatefmt_open(
  locale: PAnsiChar;   // LPCSTR
  nfToAdopt: Pointer;   // void** in/out
  width: Integer;   // UDateRelativeDateTimeFormatterStyle
  capitalizationContext: Integer;   // UDisplayContext
  status: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuin.dll' name 'ureldatefmt_open';

result := DllCall("icuin\ureldatefmt_open"
    , "AStr", locale   ; LPCSTR
    , "Ptr", nfToAdopt   ; void** in/out
    , "Int", width   ; UDateRelativeDateTimeFormatterStyle
    , "Int", capitalizationContext   ; UDisplayContext
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Ptr")   ; return: URelativeDateTimeFormatter*

●ureldatefmt_open(locale, nfToAdopt, width, capitalizationContext, status) = DLL("icuin.dll", "void* ureldatefmt_open(char*, void*, int, int, void*)")
# 呼び出し: ureldatefmt_open(locale, nfToAdopt, width, capitalizationContext, status)
# locale : LPCSTR -> "char*"
# nfToAdopt : void** in/out -> "void*"
# width : UDateRelativeDateTimeFormatterStyle -> "int"
# capitalizationContext : UDisplayContext -> "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 ureldatefmt_open(
    locale: [*c]const u8, // LPCSTR
    nfToAdopt: ?*anyopaque, // void** in/out
    width: i32, // UDateRelativeDateTimeFormatterStyle
    capitalizationContext: i32, // UDisplayContext
    status: [*c]i32 // UErrorCode* in/out
) callconv(.c) [*c]isize;

proc ureldatefmt_open(
    locale: cstring,  # LPCSTR
    nfToAdopt: pointer,  # void** in/out
    width: int32,  # UDateRelativeDateTimeFormatterStyle
    capitalizationContext: int32,  # UDisplayContext
    status: ptr int32  # UErrorCode* in/out
): ptr int {.importc: "ureldatefmt_open", cdecl, dynlib: "icuin.dll".}

pragma(lib, "icuin");
extern(C)
ptrdiff_t* ureldatefmt_open(
    const(char)* locale,   // LPCSTR
    void** nfToAdopt,   // void** in/out
    int width,   // UDateRelativeDateTimeFormatterStyle
    int capitalizationContext,   // UDisplayContext
    int* status   // UErrorCode* in/out
);

ccall((:ureldatefmt_open, "icuin.dll"), Ptr{Int},
      (Cstring, Ptr{Cvoid}, Int32, Int32, Ptr{Int32}),
      locale, nfToAdopt, width, capitalizationContext, status)
# locale : LPCSTR -> Cstring
# nfToAdopt : void** in/out -> Ptr{Cvoid}
# width : UDateRelativeDateTimeFormatterStyle -> Int32
# capitalizationContext : UDisplayContext -> Int32
# status : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
intptr_t* ureldatefmt_open(
    const char* locale,
    void** nfToAdopt,
    int32_t width,
    int32_t capitalizationContext,
    int32_t* status);
]]
local icuin = ffi.load("icuin")
-- icuin.ureldatefmt_open(locale, nfToAdopt, width, capitalizationContext, status)
-- locale : LPCSTR
-- nfToAdopt : void** in/out
-- width : UDateRelativeDateTimeFormatterStyle
-- capitalizationContext : UDisplayContext
-- 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 ureldatefmt_open = lib.func('__cdecl', 'ureldatefmt_open', 'intptr_t *', ['str', 'void *', 'int32_t', 'int32_t', 'int32_t *']);
// ureldatefmt_open(locale, nfToAdopt, width, capitalizationContext, status)
// locale : LPCSTR -> 'str'
// nfToAdopt : void** in/out -> 'void *'
// width : UDateRelativeDateTimeFormatterStyle -> 'int32_t'
// capitalizationContext : UDisplayContext -> '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", {
  ureldatefmt_open: { parameters: ["buffer", "pointer", "i32", "i32", "pointer"], result: "pointer" },
});
// lib.symbols.ureldatefmt_open(locale, nfToAdopt, width, capitalizationContext, status)
// locale : LPCSTR -> "buffer"
// nfToAdopt : void** in/out -> "pointer"
// width : UDateRelativeDateTimeFormatterStyle -> "i32"
// capitalizationContext : UDisplayContext -> "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
intptr_t* ureldatefmt_open(
    const char* locale,
    void** nfToAdopt,
    int32_t width,
    int32_t capitalizationContext,
    int32_t* status);
C, "icuin.dll");
// $ffi->ureldatefmt_open(locale, nfToAdopt, width, capitalizationContext, status);
// locale : LPCSTR
// nfToAdopt : void** in/out
// width : UDateRelativeDateTimeFormatterStyle
// capitalizationContext : UDisplayContext
// 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);
    Pointer ureldatefmt_open(
        String locale,   // LPCSTR
        Pointer nfToAdopt,   // void** in/out
        int width,   // UDateRelativeDateTimeFormatterStyle
        int capitalizationContext,   // UDisplayContext
        IntByReference status   // UErrorCode* in/out
    );
}

@[Link("icuin")]
lib Libicuin
  fun ureldatefmt_open = ureldatefmt_open(
    locale : UInt8*,   # LPCSTR
    nfToAdopt : Void**,   # void** in/out
    width : Int32,   # UDateRelativeDateTimeFormatterStyle
    capitalizationContext : Int32,   # UDisplayContext
    status : Int32*   # UErrorCode* in/out
  ) : LibC::SSizeT*
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 ureldatefmt_openNative = Pointer<IntPtr> Function(Pointer<Utf8>, Pointer<Void>, Int32, Int32, Pointer<Int32>);
typedef ureldatefmt_openDart = Pointer<IntPtr> Function(Pointer<Utf8>, Pointer<Void>, int, int, Pointer<Int32>);
final ureldatefmt_open = DynamicLibrary.open('icuin.dll')
    .lookupFunction<ureldatefmt_openNative, ureldatefmt_openDart>('ureldatefmt_open');
// locale : LPCSTR -> Pointer<Utf8>
// nfToAdopt : void** in/out -> Pointer<Void>
// width : UDateRelativeDateTimeFormatterStyle -> Int32
// capitalizationContext : UDisplayContext -> Int32
// status : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ureldatefmt_open(
  locale: PAnsiChar;   // LPCSTR
  nfToAdopt: Pointer;   // void** in/out
  width: Integer;   // UDateRelativeDateTimeFormatterStyle
  capitalizationContext: Integer;   // UDisplayContext
  status: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuin.dll' name 'ureldatefmt_open';

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

foreign import ccall safe "ureldatefmt_open"
  c_ureldatefmt_open :: CString -> Ptr () -> Int32 -> Int32 -> Ptr Int32 -> IO (Ptr CIntPtr)
-- locale : LPCSTR -> CString
-- nfToAdopt : void** in/out -> Ptr ()
-- width : UDateRelativeDateTimeFormatterStyle -> Int32
-- capitalizationContext : UDisplayContext -> 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 ureldatefmt_open =
  foreign "ureldatefmt_open"
    (string @-> (ptr void) @-> int32_t @-> int32_t @-> (ptr int32_t) @-> returning (ptr intptr_t))
(* locale : LPCSTR -> string *)
(* nfToAdopt : void** in/out -> (ptr void) *)
(* width : UDateRelativeDateTimeFormatterStyle -> int32_t *)
(* capitalizationContext : UDisplayContext -> 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 ("ureldatefmt_open" ureldatefmt-open :convention :cdecl) :pointer
  (locale :string)   ; LPCSTR
  (nf-to-adopt :pointer)   ; void** in/out
  (width :int32)   ; UDateRelativeDateTimeFormatterStyle
  (capitalization-context :int32)   ; UDisplayContext
  (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 $ureldatefmt_open = Win32::API::More->new('icuin',
    'LPVOID ureldatefmt_open(LPCSTR locale, LPVOID nfToAdopt, int width, int capitalizationContext, LPVOID status)');
# my $ret = $ureldatefmt_open->Call($locale, $nfToAdopt, $width, $capitalizationContext, $status);
# locale : LPCSTR -> LPCSTR
# nfToAdopt : void** in/out -> LPVOID
# width : UDateRelativeDateTimeFormatterStyle -> int
# capitalizationContext : UDisplayContext -> 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。