unum_open

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

void** unum_open(
    UNumberFormatStyle style,
    const WORD* pattern,
    INT patternLength,
    LPCSTR locale,
    UParseError* parseErr,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function unum_open(
    style As Integer,   ' UNumberFormatStyle
    ByRef pattern As UShort,   ' WORD*
    patternLength As Integer,   ' INT
    <MarshalAs(UnmanagedType.LPStr)> locale As String,   ' LPCSTR
    parseErr As IntPtr,   ' UParseError* in/out
    ByRef status As Integer   ' UErrorCode* in/out
) As IntPtr
End Function

' style : UNumberFormatStyle
' pattern : WORD*
' patternLength : INT
' locale : LPCSTR
' parseErr : UParseError* in/out
' status : UErrorCode* in/out
Declare PtrSafe Function unum_open Lib "icuin" ( _
    ByVal style As Long, _
    ByRef pattern As Integer, _
    ByVal patternLength As Long, _
    ByVal locale As String, _
    ByVal parseErr As LongPtr, _
    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

unum_open = ctypes.cdll.icuin.unum_open
unum_open.restype = ctypes.c_void_p
unum_open.argtypes = [
    ctypes.c_int,  # style : UNumberFormatStyle
    ctypes.POINTER(ctypes.c_ushort),  # pattern : WORD*
    ctypes.c_int,  # patternLength : INT
    wintypes.LPCSTR,  # locale : LPCSTR
    ctypes.c_void_p,  # parseErr : UParseError* in/out
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
unum_open = Fiddle::Function.new(
  lib['unum_open'],
  [
    Fiddle::TYPE_INT,  # style : UNumberFormatStyle
    Fiddle::TYPE_VOIDP,  # pattern : WORD*
    Fiddle::TYPE_INT,  # patternLength : INT
    Fiddle::TYPE_VOIDP,  # locale : LPCSTR
    Fiddle::TYPE_VOIDP,  # parseErr : UParseError* in/out
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn unum_open(
        style: i32,  // UNumberFormatStyle
        pattern: *const u16,  // WORD*
        patternLength: i32,  // INT
        locale: *const u8,  // LPCSTR
        parseErr: *mut UParseError,  // UParseError* in/out
        status: *mut i32  // UErrorCode* in/out
    ) -> *mut *mut ();
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr unum_open(int style, ref ushort pattern, int patternLength, [MarshalAs(UnmanagedType.LPStr)] string locale, IntPtr parseErr, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_unum_open' -Namespace Win32 -PassThru
# $api::unum_open(style, pattern, patternLength, locale, parseErr, status)

#uselib "icuin.dll"
#func global unum_open "unum_open" sptr, sptr, sptr, sptr, sptr, sptr
; unum_open style, varptr(pattern), patternLength, locale, varptr(parseErr), varptr(status)   ; 戻り値は stat
; style : UNumberFormatStyle -> "sptr"
; pattern : WORD* -> "sptr"
; patternLength : INT -> "sptr"
; locale : LPCSTR -> "sptr"
; parseErr : UParseError* in/out -> "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")
	procunum_open = icuin.NewProc("unum_open")
)

// style (UNumberFormatStyle), pattern (WORD*), patternLength (INT), locale (LPCSTR), parseErr (UParseError* in/out), status (UErrorCode* in/out)
r1, _, err := procunum_open.Call(
	uintptr(style),
	uintptr(pattern),
	uintptr(patternLength),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(locale))),
	uintptr(parseErr),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void**

function unum_open(
  style: Integer;   // UNumberFormatStyle
  pattern: Pointer;   // WORD*
  patternLength: Integer;   // INT
  locale: PAnsiChar;   // LPCSTR
  parseErr: Pointer;   // UParseError* in/out
  status: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuin.dll' name 'unum_open';

result := DllCall("icuin\unum_open"
    , "Int", style   ; UNumberFormatStyle
    , "Ptr", pattern   ; WORD*
    , "Int", patternLength   ; INT
    , "AStr", locale   ; LPCSTR
    , "Ptr", parseErr   ; UParseError* in/out
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Ptr")   ; return: void**

●unum_open(style, pattern, patternLength, locale, parseErr, status) = DLL("icuin.dll", "void* unum_open(int, void*, int, char*, void*, void*)")
# 呼び出し: unum_open(style, pattern, patternLength, locale, parseErr, status)
# style : UNumberFormatStyle -> "int"
# pattern : WORD* -> "void*"
# patternLength : INT -> "int"
# locale : LPCSTR -> "char*"
# parseErr : UParseError* in/out -> "void*"
# 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 unum_open(
    style: i32, // UNumberFormatStyle
    pattern: [*c]u16, // WORD*
    patternLength: i32, // INT
    locale: [*c]const u8, // LPCSTR
    parseErr: [*c]UParseError, // UParseError* in/out
    status: [*c]i32 // UErrorCode* in/out
) callconv(.c) ?*anyopaque;

proc unum_open(
    style: int32,  # UNumberFormatStyle
    pattern: ptr uint16,  # WORD*
    patternLength: int32,  # INT
    locale: cstring,  # LPCSTR
    parseErr: ptr UParseError,  # UParseError* in/out
    status: ptr int32  # UErrorCode* in/out
): pointer {.importc: "unum_open", cdecl, dynlib: "icuin.dll".}

pragma(lib, "icuin");
extern(C)
void** unum_open(
    int style,   // UNumberFormatStyle
    ushort* pattern,   // WORD*
    int patternLength,   // INT
    const(char)* locale,   // LPCSTR
    UParseError* parseErr,   // UParseError* in/out
    int* status   // UErrorCode* in/out
);

ccall((:unum_open, "icuin.dll"), Ptr{Cvoid},
      (Int32, Ptr{UInt16}, Int32, Cstring, Ptr{UParseError}, Ptr{Int32}),
      style, pattern, patternLength, locale, parseErr, status)
# style : UNumberFormatStyle -> Int32
# pattern : WORD* -> Ptr{UInt16}
# patternLength : INT -> Int32
# locale : LPCSTR -> Cstring
# parseErr : UParseError* in/out -> Ptr{UParseError}
# status : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
void** unum_open(
    int32_t style,
    uint16_t* pattern,
    int32_t patternLength,
    const char* locale,
    void* parseErr,
    int32_t* status);
]]
local icuin = ffi.load("icuin")
-- icuin.unum_open(style, pattern, patternLength, locale, parseErr, status)
-- style : UNumberFormatStyle
-- pattern : WORD*
-- patternLength : INT
-- locale : LPCSTR
-- parseErr : UParseError* in/out
-- 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 unum_open = lib.func('__cdecl', 'unum_open', 'void *', ['int32_t', 'uint16_t *', 'int32_t', 'str', 'void *', 'int32_t *']);
// unum_open(style, pattern, patternLength, locale, parseErr, status)
// style : UNumberFormatStyle -> 'int32_t'
// pattern : WORD* -> 'uint16_t *'
// patternLength : INT -> 'int32_t'
// locale : LPCSTR -> 'str'
// parseErr : UParseError* in/out -> 'void *'
// 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", {
  unum_open: { parameters: ["i32", "pointer", "i32", "buffer", "pointer", "pointer"], result: "pointer" },
});
// lib.symbols.unum_open(style, pattern, patternLength, locale, parseErr, status)
// style : UNumberFormatStyle -> "i32"
// pattern : WORD* -> "pointer"
// patternLength : INT -> "i32"
// locale : LPCSTR -> "buffer"
// parseErr : UParseError* in/out -> "pointer"
// 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
void** unum_open(
    int32_t style,
    uint16_t* pattern,
    int32_t patternLength,
    const char* locale,
    void* parseErr,
    int32_t* status);
C, "icuin.dll");
// $ffi->unum_open(style, pattern, patternLength, locale, parseErr, status);
// style : UNumberFormatStyle
// pattern : WORD*
// patternLength : INT
// locale : LPCSTR
// parseErr : UParseError* in/out
// 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 unum_open(
        int style,   // UNumberFormatStyle
        ShortByReference pattern,   // WORD*
        int patternLength,   // INT
        String locale,   // LPCSTR
        Pointer parseErr,   // UParseError* in/out
        IntByReference status   // UErrorCode* in/out
    );
}

@[Link("icuin")]
lib Libicuin
  fun unum_open = unum_open(
    style : Int32,   # UNumberFormatStyle
    pattern : UInt16*,   # WORD*
    patternLength : Int32,   # INT
    locale : UInt8*,   # LPCSTR
    parseErr : UParseError*,   # UParseError* in/out
    status : Int32*   # UErrorCode* in/out
  ) : Void**
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 unum_openNative = Pointer<Void> Function(Int32, Pointer<Uint16>, Int32, Pointer<Utf8>, Pointer<Void>, Pointer<Int32>);
typedef unum_openDart = Pointer<Void> Function(int, Pointer<Uint16>, int, Pointer<Utf8>, Pointer<Void>, Pointer<Int32>);
final unum_open = DynamicLibrary.open('icuin.dll')
    .lookupFunction<unum_openNative, unum_openDart>('unum_open');
// style : UNumberFormatStyle -> Int32
// pattern : WORD* -> Pointer<Uint16>
// patternLength : INT -> Int32
// locale : LPCSTR -> Pointer<Utf8>
// parseErr : UParseError* in/out -> Pointer<Void>
// status : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function unum_open(
  style: Integer;   // UNumberFormatStyle
  pattern: Pointer;   // WORD*
  patternLength: Integer;   // INT
  locale: PAnsiChar;   // LPCSTR
  parseErr: Pointer;   // UParseError* in/out
  status: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuin.dll' name 'unum_open';

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

foreign import ccall safe "unum_open"
  c_unum_open :: Int32 -> Ptr Word16 -> Int32 -> CString -> Ptr () -> Ptr Int32 -> IO (Ptr ())
-- style : UNumberFormatStyle -> Int32
-- pattern : WORD* -> Ptr Word16
-- patternLength : INT -> Int32
-- locale : LPCSTR -> CString
-- parseErr : UParseError* in/out -> Ptr ()
-- 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 unum_open =
  foreign "unum_open"
    (int32_t @-> (ptr uint16_t) @-> int32_t @-> string @-> (ptr void) @-> (ptr int32_t) @-> returning (ptr void))
(* style : UNumberFormatStyle -> int32_t *)
(* pattern : WORD* -> (ptr uint16_t) *)
(* patternLength : INT -> int32_t *)
(* locale : LPCSTR -> string *)
(* parseErr : UParseError* in/out -> (ptr void) *)
(* 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 ("unum_open" unum-open :convention :cdecl) :pointer
  (style :int32)   ; UNumberFormatStyle
  (pattern :pointer)   ; WORD*
  (pattern-length :int32)   ; INT
  (locale :string)   ; LPCSTR
  (parse-err :pointer)   ; UParseError* in/out
  (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 $unum_open = Win32::API::More->new('icuin',
    'LPVOID unum_open(int style, LPVOID pattern, int patternLength, LPCSTR locale, LPVOID parseErr, LPVOID status)');
# my $ret = $unum_open->Call($style, $pattern, $patternLength, $locale, $parseErr, $status);
# style : UNumberFormatStyle -> int
# pattern : WORD* -> LPVOID
# patternLength : INT -> int
# locale : LPCSTR -> LPCSTR
# parseErr : UParseError* in/out -> LPVOID
# 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。