ures_openU

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

UResourceBundle* ures_openU(
    const WORD* packageName,
    LPCSTR locale,
    UErrorCode* status
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ures_openU(
    ByRef packageName As UShort,   ' WORD*
    <MarshalAs(UnmanagedType.LPStr)> locale As String,   ' LPCSTR
    ByRef status As Integer   ' UErrorCode* in/out
) As IntPtr
End Function

' packageName : WORD*
' locale : LPCSTR
' status : UErrorCode* in/out
Declare PtrSafe Function ures_openU Lib "icuuc" ( _
    ByRef packageName As Integer, _
    ByVal locale As String, _
    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

ures_openU = ctypes.cdll.icuuc.ures_openU
ures_openU.restype = ctypes.c_void_p
ures_openU.argtypes = [
    ctypes.POINTER(ctypes.c_ushort),  # packageName : WORD*
    wintypes.LPCSTR,  # locale : LPCSTR
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
ures_openU = Fiddle::Function.new(
  lib['ures_openU'],
  [
    Fiddle::TYPE_VOIDP,  # packageName : WORD*
    Fiddle::TYPE_VOIDP,  # locale : LPCSTR
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn ures_openU(
        packageName: *const u16,  // WORD*
        locale: *const u8,  // LPCSTR
        status: *mut i32  // UErrorCode* in/out
    ) -> *mut isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr ures_openU(ref ushort packageName, [MarshalAs(UnmanagedType.LPStr)] string locale, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_ures_openU' -Namespace Win32 -PassThru
# $api::ures_openU(packageName, locale, status)

#uselib "icuuc.dll"
#func global ures_openU "ures_openU" sptr, sptr, sptr
; ures_openU varptr(packageName), locale, varptr(status)   ; 戻り値は stat
; packageName : WORD* -> "sptr"
; locale : LPCSTR -> "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 (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procures_openU = icuuc.NewProc("ures_openU")
)

// packageName (WORD*), locale (LPCSTR), status (UErrorCode* in/out)
r1, _, err := procures_openU.Call(
	uintptr(packageName),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(locale))),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // UResourceBundle*

function ures_openU(
  packageName: Pointer;   // WORD*
  locale: PAnsiChar;   // LPCSTR
  status: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuuc.dll' name 'ures_openU';

result := DllCall("icuuc\ures_openU"
    , "Ptr", packageName   ; WORD*
    , "AStr", locale   ; LPCSTR
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Ptr")   ; return: UResourceBundle*

●ures_openU(packageName, locale, status) = DLL("icuuc.dll", "void* ures_openU(void*, char*, void*)")
# 呼び出し: ures_openU(packageName, locale, status)
# packageName : WORD* -> "void*"
# locale : LPCSTR -> "char*"
# 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 "icuuc" fn ures_openU(
    packageName: [*c]u16, // WORD*
    locale: [*c]const u8, // LPCSTR
    status: [*c]i32 // UErrorCode* in/out
) callconv(.c) [*c]isize;

proc ures_openU(
    packageName: ptr uint16,  # WORD*
    locale: cstring,  # LPCSTR
    status: ptr int32  # UErrorCode* in/out
): ptr int {.importc: "ures_openU", cdecl, dynlib: "icuuc.dll".}

pragma(lib, "icuuc");
extern(C)
ptrdiff_t* ures_openU(
    ushort* packageName,   // WORD*
    const(char)* locale,   // LPCSTR
    int* status   // UErrorCode* in/out
);

ccall((:ures_openU, "icuuc.dll"), Ptr{Int},
      (Ptr{UInt16}, Cstring, Ptr{Int32}),
      packageName, locale, status)
# packageName : WORD* -> Ptr{UInt16}
# locale : LPCSTR -> Cstring
# status : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
intptr_t* ures_openU(
    uint16_t* packageName,
    const char* locale,
    int32_t* status);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.ures_openU(packageName, locale, status)
-- packageName : WORD*
-- locale : LPCSTR
-- 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('icuuc.dll');
const ures_openU = lib.func('__cdecl', 'ures_openU', 'intptr_t *', ['uint16_t *', 'str', 'int32_t *']);
// ures_openU(packageName, locale, status)
// packageName : WORD* -> 'uint16_t *'
// locale : LPCSTR -> 'str'
// 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("icuuc.dll", {
  ures_openU: { parameters: ["pointer", "buffer", "pointer"], result: "pointer" },
});
// lib.symbols.ures_openU(packageName, locale, status)
// packageName : WORD* -> "pointer"
// locale : LPCSTR -> "buffer"
// 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* ures_openU(
    uint16_t* packageName,
    const char* locale,
    int32_t* status);
C, "icuuc.dll");
// $ffi->ures_openU(packageName, locale, status);
// packageName : WORD*
// locale : LPCSTR
// 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 Icuuc extends Library {
    Icuuc INSTANCE = Native.load("icuuc", Icuuc.class);
    Pointer ures_openU(
        ShortByReference packageName,   // WORD*
        String locale,   // LPCSTR
        IntByReference status   // UErrorCode* in/out
    );
}

@[Link("icuuc")]
lib Libicuuc
  fun ures_openU = ures_openU(
    packageName : UInt16*,   # WORD*
    locale : UInt8*,   # LPCSTR
    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 ures_openUNative = Pointer<IntPtr> Function(Pointer<Uint16>, Pointer<Utf8>, Pointer<Int32>);
typedef ures_openUDart = Pointer<IntPtr> Function(Pointer<Uint16>, Pointer<Utf8>, Pointer<Int32>);
final ures_openU = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<ures_openUNative, ures_openUDart>('ures_openU');
// packageName : WORD* -> Pointer<Uint16>
// locale : LPCSTR -> Pointer<Utf8>
// status : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ures_openU(
  packageName: Pointer;   // WORD*
  locale: PAnsiChar;   // LPCSTR
  status: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuuc.dll' name 'ures_openU';

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

foreign import ccall safe "ures_openU"
  c_ures_openU :: Ptr Word16 -> CString -> Ptr Int32 -> IO (Ptr CIntPtr)
-- packageName : WORD* -> Ptr Word16
-- locale : LPCSTR -> CString
-- 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 ures_openu =
  foreign "ures_openU"
    ((ptr uint16_t) @-> string @-> (ptr int32_t) @-> returning (ptr intptr_t))
(* packageName : WORD* -> (ptr uint16_t) *)
(* locale : LPCSTR -> string *)
(* 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 icuuc (t "icuuc.dll"))
(cffi:use-foreign-library icuuc)

(cffi:defcfun ("ures_openU" ures-open-u :convention :cdecl) :pointer
  (package-name :pointer)   ; WORD*
  (locale :string)   ; LPCSTR
  (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 $ures_openU = Win32::API::More->new('icuuc',
    'LPVOID ures_openU(LPVOID packageName, LPCSTR locale, LPVOID status)');
# my $ret = $ures_openU->Call($packageName, $locale, $status);
# packageName : WORD* -> LPVOID
# locale : LPCSTR -> LPCSTR
# 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。