ubidi_getLevels

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

BYTE* ubidi_getLevels(
    UBiDi* pBiDi,
    UErrorCode* pErrorCode
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ubidi_getLevels(
    ByRef pBiDi As IntPtr,   ' UBiDi* in/out
    ByRef pErrorCode As Integer   ' UErrorCode* in/out
) As IntPtr
End Function

' pBiDi : UBiDi* in/out
' pErrorCode : UErrorCode* in/out
Declare PtrSafe Function ubidi_getLevels Lib "icuuc" ( _
    ByRef pBiDi As LongPtr, _
    ByRef pErrorCode 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

ubidi_getLevels = ctypes.cdll.icuuc.ubidi_getLevels
ubidi_getLevels.restype = ctypes.c_void_p
ubidi_getLevels.argtypes = [
    ctypes.c_void_p,  # pBiDi : UBiDi* in/out
    ctypes.c_void_p,  # pErrorCode : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
ubidi_getLevels = Fiddle::Function.new(
  lib['ubidi_getLevels'],
  [
    Fiddle::TYPE_VOIDP,  # pBiDi : UBiDi* in/out
    Fiddle::TYPE_VOIDP,  # pErrorCode : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn ubidi_getLevels(
        pBiDi: *mut isize,  // UBiDi* in/out
        pErrorCode: *mut i32  // UErrorCode* in/out
    ) -> *mut u8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr ubidi_getLevels(ref IntPtr pBiDi, ref int pErrorCode);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_ubidi_getLevels' -Namespace Win32 -PassThru
# $api::ubidi_getLevels(pBiDi, pErrorCode)

#uselib "icuuc.dll"
#func global ubidi_getLevels "ubidi_getLevels" sptr, sptr
; ubidi_getLevels varptr(pBiDi), varptr(pErrorCode)   ; 戻り値は stat
; pBiDi : UBiDi* in/out -> "sptr"
; pErrorCode : 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")
	procubidi_getLevels = icuuc.NewProc("ubidi_getLevels")
)

// pBiDi (UBiDi* in/out), pErrorCode (UErrorCode* in/out)
r1, _, err := procubidi_getLevels.Call(
	uintptr(pBiDi),
	uintptr(pErrorCode),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BYTE*

function ubidi_getLevels(
  pBiDi: Pointer;   // UBiDi* in/out
  pErrorCode: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuuc.dll' name 'ubidi_getLevels';

result := DllCall("icuuc\ubidi_getLevels"
    , "Ptr", pBiDi   ; UBiDi* in/out
    , "Ptr", pErrorCode   ; UErrorCode* in/out
    , "Cdecl Ptr")   ; return: BYTE*

●ubidi_getLevels(pBiDi, pErrorCode) = DLL("icuuc.dll", "void* ubidi_getLevels(void*, void*)")
# 呼び出し: ubidi_getLevels(pBiDi, pErrorCode)
# pBiDi : UBiDi* in/out -> "void*"
# pErrorCode : 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 ubidi_getLevels(
    pBiDi: [*c]isize, // UBiDi* in/out
    pErrorCode: [*c]i32 // UErrorCode* in/out
) callconv(.c) [*c]u8;

proc ubidi_getLevels(
    pBiDi: ptr int,  # UBiDi* in/out
    pErrorCode: ptr int32  # UErrorCode* in/out
): ptr uint8 {.importc: "ubidi_getLevels", cdecl, dynlib: "icuuc.dll".}

pragma(lib, "icuuc");
extern(C)
ubyte* ubidi_getLevels(
    ptrdiff_t* pBiDi,   // UBiDi* in/out
    int* pErrorCode   // UErrorCode* in/out
);

ccall((:ubidi_getLevels, "icuuc.dll"), Ptr{UInt8},
      (Ptr{Int}, Ptr{Int32}),
      pBiDi, pErrorCode)
# pBiDi : UBiDi* in/out -> Ptr{Int}
# pErrorCode : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
uint8_t* ubidi_getLevels(
    intptr_t* pBiDi,
    int32_t* pErrorCode);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.ubidi_getLevels(pBiDi, pErrorCode)
-- pBiDi : UBiDi* in/out
-- pErrorCode : 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 ubidi_getLevels = lib.func('__cdecl', 'ubidi_getLevels', 'uint8_t *', ['intptr_t *', 'int32_t *']);
// ubidi_getLevels(pBiDi, pErrorCode)
// pBiDi : UBiDi* in/out -> 'intptr_t *'
// pErrorCode : 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", {
  ubidi_getLevels: { parameters: ["pointer", "pointer"], result: "pointer" },
});
// lib.symbols.ubidi_getLevels(pBiDi, pErrorCode)
// pBiDi : UBiDi* in/out -> "pointer"
// pErrorCode : 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
uint8_t* ubidi_getLevels(
    intptr_t* pBiDi,
    int32_t* pErrorCode);
C, "icuuc.dll");
// $ffi->ubidi_getLevels(pBiDi, pErrorCode);
// pBiDi : UBiDi* in/out
// pErrorCode : 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 ubidi_getLevels(
        LongByReference pBiDi,   // UBiDi* in/out
        IntByReference pErrorCode   // UErrorCode* in/out
    );
}

@[Link("icuuc")]
lib Libicuuc
  fun ubidi_getLevels = ubidi_getLevels(
    pBiDi : LibC::SSizeT*,   # UBiDi* in/out
    pErrorCode : Int32*   # UErrorCode* in/out
  ) : UInt8*
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_getLevelsNative = Pointer<Uint8> Function(Pointer<IntPtr>, Pointer<Int32>);
typedef ubidi_getLevelsDart = Pointer<Uint8> Function(Pointer<IntPtr>, Pointer<Int32>);
final ubidi_getLevels = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<ubidi_getLevelsNative, ubidi_getLevelsDart>('ubidi_getLevels');
// pBiDi : UBiDi* in/out -> Pointer<IntPtr>
// pErrorCode : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ubidi_getLevels(
  pBiDi: Pointer;   // UBiDi* in/out
  pErrorCode: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuuc.dll' name 'ubidi_getLevels';

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

foreign import ccall safe "ubidi_getLevels"
  c_ubidi_getLevels :: Ptr CIntPtr -> Ptr Int32 -> IO (Ptr Word8)
-- pBiDi : UBiDi* in/out -> Ptr CIntPtr
-- pErrorCode : 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 ubidi_getlevels =
  foreign "ubidi_getLevels"
    ((ptr intptr_t) @-> (ptr int32_t) @-> returning (ptr uint8_t))
(* pBiDi : UBiDi* in/out -> (ptr intptr_t) *)
(* pErrorCode : 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 ("ubidi_getLevels" ubidi-get-levels :convention :cdecl) :pointer
  (p-bi-di :pointer)   ; UBiDi* in/out
  (p-error-code :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 $ubidi_getLevels = Win32::API::More->new('icuuc',
    'LPVOID ubidi_getLevels(LPVOID pBiDi, LPVOID pErrorCode)');
# my $ret = $ubidi_getLevels->Call($pBiDi, $pErrorCode);
# pBiDi : UBiDi* in/out -> LPVOID
# pErrorCode : 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。