ubidi_getBaseDirection

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

UBiDiDirection ubidi_getBaseDirection(
    const WORD* text,
    INT length
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ubidi_getBaseDirection(
    ByRef text As UShort,   ' WORD*
    length As Integer   ' INT
) As Integer
End Function

' text : WORD*
' length : INT
Declare PtrSafe Function ubidi_getBaseDirection Lib "icuuc" ( _
    ByRef text As Integer, _
    ByVal length As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ubidi_getBaseDirection = ctypes.cdll.icuuc.ubidi_getBaseDirection
ubidi_getBaseDirection.restype = ctypes.c_int
ubidi_getBaseDirection.argtypes = [
    ctypes.POINTER(ctypes.c_ushort),  # text : WORD*
    ctypes.c_int,  # length : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
ubidi_getBaseDirection = Fiddle::Function.new(
  lib['ubidi_getBaseDirection'],
  [
    Fiddle::TYPE_VOIDP,  # text : WORD*
    Fiddle::TYPE_INT,  # length : INT
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn ubidi_getBaseDirection(
        text: *const u16,  // WORD*
        length: i32  // INT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int ubidi_getBaseDirection(ref ushort text, int length);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_ubidi_getBaseDirection' -Namespace Win32 -PassThru
# $api::ubidi_getBaseDirection(text, length)

#uselib "icuuc.dll"
#func global ubidi_getBaseDirection "ubidi_getBaseDirection" sptr, sptr
; ubidi_getBaseDirection varptr(text), length   ; 戻り値は stat
; text : WORD* -> "sptr"
; length : INT -> "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")
	procubidi_getBaseDirection = icuuc.NewProc("ubidi_getBaseDirection")
)

// text (WORD*), length (INT)
r1, _, err := procubidi_getBaseDirection.Call(
	uintptr(text),
	uintptr(length),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // UBiDiDirection

function ubidi_getBaseDirection(
  text: Pointer;   // WORD*
  length: Integer   // INT
): Integer; cdecl;
  external 'icuuc.dll' name 'ubidi_getBaseDirection';

result := DllCall("icuuc\ubidi_getBaseDirection"
    , "Ptr", text   ; WORD*
    , "Int", length   ; INT
    , "Cdecl Int")   ; return: UBiDiDirection

●ubidi_getBaseDirection(text, length) = DLL("icuuc.dll", "int ubidi_getBaseDirection(void*, int)")
# 呼び出し: ubidi_getBaseDirection(text, length)
# text : WORD* -> "void*"
# length : INT -> "int"
# 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 ubidi_getBaseDirection(
    text: [*c]u16, // WORD*
    length: i32 // INT
) callconv(.c) i32;

proc ubidi_getBaseDirection(
    text: ptr uint16,  # WORD*
    length: int32  # INT
): int32 {.importc: "ubidi_getBaseDirection", cdecl, dynlib: "icuuc.dll".}

pragma(lib, "icuuc");
extern(C)
int ubidi_getBaseDirection(
    ushort* text,   // WORD*
    int length   // INT
);

ccall((:ubidi_getBaseDirection, "icuuc.dll"), Int32,
      (Ptr{UInt16}, Int32),
      text, length)
# text : WORD* -> Ptr{UInt16}
# length : INT -> Int32

local ffi = require("ffi")
ffi.cdef[[
int32_t ubidi_getBaseDirection(
    uint16_t* text,
    int32_t length);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.ubidi_getBaseDirection(text, length)
-- text : WORD*
-- length : INT
-- 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 ubidi_getBaseDirection = lib.func('__cdecl', 'ubidi_getBaseDirection', 'int32_t', ['uint16_t *', 'int32_t']);
// ubidi_getBaseDirection(text, length)
// text : WORD* -> 'uint16_t *'
// length : INT -> '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", {
  ubidi_getBaseDirection: { parameters: ["pointer", "i32"], result: "i32" },
});
// lib.symbols.ubidi_getBaseDirection(text, length)
// text : WORD* -> "pointer"
// length : INT -> "i32"
// 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
int32_t ubidi_getBaseDirection(
    uint16_t* text,
    int32_t length);
C, "icuuc.dll");
// $ffi->ubidi_getBaseDirection(text, length);
// text : WORD*
// length : INT
// 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);
    int ubidi_getBaseDirection(
        ShortByReference text,   // WORD*
        int length   // INT
    );
}

@[Link("icuuc")]
lib Libicuuc
  fun ubidi_getBaseDirection = ubidi_getBaseDirection(
    text : UInt16*,   # WORD*
    length : Int32   # INT
  ) : Int32
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 ubidi_getBaseDirectionNative = Int32 Function(Pointer<Uint16>, Int32);
typedef ubidi_getBaseDirectionDart = int Function(Pointer<Uint16>, int);
final ubidi_getBaseDirection = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<ubidi_getBaseDirectionNative, ubidi_getBaseDirectionDart>('ubidi_getBaseDirection');
// text : WORD* -> Pointer<Uint16>
// length : INT -> Int32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ubidi_getBaseDirection(
  text: Pointer;   // WORD*
  length: Integer   // INT
): Integer; cdecl;
  external 'icuuc.dll' name 'ubidi_getBaseDirection';

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

foreign import ccall safe "ubidi_getBaseDirection"
  c_ubidi_getBaseDirection :: Ptr Word16 -> Int32 -> IO Int32
-- text : WORD* -> Ptr Word16
-- length : INT -> 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 ubidi_getbasedirection =
  foreign "ubidi_getBaseDirection"
    ((ptr uint16_t) @-> int32_t @-> returning int32_t)
(* text : WORD* -> (ptr uint16_t) *)
(* length : INT -> 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 ("ubidi_getBaseDirection" ubidi-get-base-direction :convention :cdecl) :int32
  (text :pointer)   ; WORD*
  (length :int32))   ; INT
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ubidi_getBaseDirection = Win32::API::More->new('icuuc',
    'int ubidi_getBaseDirection(LPVOID text, int length)');
# my $ret = $ubidi_getBaseDirection->Call($text, $length);
# text : WORD* -> LPVOID
# length : INT -> int
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。