uloc_isRightToLeft

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

CHAR uloc_isRightToLeft(
    LPCSTR locale
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function uloc_isRightToLeft(
    <MarshalAs(UnmanagedType.LPStr)> locale As String   ' LPCSTR
) As SByte
End Function

' locale : LPCSTR
Declare PtrSafe Function uloc_isRightToLeft Lib "icuuc" ( _
    ByVal locale As String) As Byte
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

uloc_isRightToLeft = ctypes.cdll.icuuc.uloc_isRightToLeft
uloc_isRightToLeft.restype = ctypes.c_byte
uloc_isRightToLeft.argtypes = [
    wintypes.LPCSTR,  # locale : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
uloc_isRightToLeft = Fiddle::Function.new(
  lib['uloc_isRightToLeft'],
  [
    Fiddle::TYPE_VOIDP,  # locale : LPCSTR
  ],
  Fiddle::TYPE_CHAR, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn uloc_isRightToLeft(
        locale: *const u8  // LPCSTR
    ) -> i8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern sbyte uloc_isRightToLeft([MarshalAs(UnmanagedType.LPStr)] string locale);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_uloc_isRightToLeft' -Namespace Win32 -PassThru
# $api::uloc_isRightToLeft(locale)

#uselib "icuuc.dll"
#func global uloc_isRightToLeft "uloc_isRightToLeft" sptr
; uloc_isRightToLeft locale   ; 戻り値は stat
; locale : LPCSTR -> "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。

#uselib "icuuc.dll"
#cfunc global uloc_isRightToLeft "uloc_isRightToLeft" str
; res = uloc_isRightToLeft(locale)
; locale : LPCSTR -> "str"

; CHAR uloc_isRightToLeft(LPCSTR locale)
#uselib "icuuc.dll"
#cfunc global uloc_isRightToLeft "uloc_isRightToLeft" str
; res = uloc_isRightToLeft(locale)
; locale : LPCSTR -> "str"

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

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	proculoc_isRightToLeft = icuuc.NewProc("uloc_isRightToLeft")
)

// locale (LPCSTR)
r1, _, err := proculoc_isRightToLeft.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(locale))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // CHAR

function uloc_isRightToLeft(
  locale: PAnsiChar   // LPCSTR
): Shortint; cdecl;
  external 'icuuc.dll' name 'uloc_isRightToLeft';

result := DllCall("icuuc\uloc_isRightToLeft"
    , "AStr", locale   ; LPCSTR
    , "Cdecl Char")   ; return: CHAR

●uloc_isRightToLeft(locale) = DLL("icuuc.dll", "char uloc_isRightToLeft(char*)")
# 呼び出し: uloc_isRightToLeft(locale)
# locale : LPCSTR -> "char*"
# 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 uloc_isRightToLeft(
    locale: [*c]const u8 // LPCSTR
) callconv(.c) i8;

proc uloc_isRightToLeft(
    locale: cstring  # LPCSTR
): int8 {.importc: "uloc_isRightToLeft", cdecl, dynlib: "icuuc.dll".}

pragma(lib, "icuuc");
extern(C)
byte uloc_isRightToLeft(
    const(char)* locale   // LPCSTR
);

ccall((:uloc_isRightToLeft, "icuuc.dll"), Int8,
      (Cstring,),
      locale)
# locale : LPCSTR -> Cstring

local ffi = require("ffi")
ffi.cdef[[
int8_t uloc_isRightToLeft(
    const char* locale);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.uloc_isRightToLeft(locale)
-- locale : LPCSTR
-- 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 uloc_isRightToLeft = lib.func('__cdecl', 'uloc_isRightToLeft', 'int8_t', ['str']);
// uloc_isRightToLeft(locale)
// locale : LPCSTR -> 'str'
// 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", {
  uloc_isRightToLeft: { parameters: ["buffer"], result: "i8" },
});
// lib.symbols.uloc_isRightToLeft(locale)
// locale : LPCSTR -> "buffer"
// 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
int8_t uloc_isRightToLeft(
    const char* locale);
C, "icuuc.dll");
// $ffi->uloc_isRightToLeft(locale);
// locale : LPCSTR
// 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);
    byte uloc_isRightToLeft(
        String locale   // LPCSTR
    );
}

@[Link("icuuc")]
lib Libicuuc
  fun uloc_isRightToLeft = uloc_isRightToLeft(
    locale : UInt8*   # LPCSTR
  ) : Int8
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 uloc_isRightToLeftNative = Int8 Function(Pointer<Utf8>);
typedef uloc_isRightToLeftDart = int Function(Pointer<Utf8>);
final uloc_isRightToLeft = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<uloc_isRightToLeftNative, uloc_isRightToLeftDart>('uloc_isRightToLeft');
// locale : LPCSTR -> Pointer<Utf8>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function uloc_isRightToLeft(
  locale: PAnsiChar   // LPCSTR
): Shortint; cdecl;
  external 'icuuc.dll' name 'uloc_isRightToLeft';

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

foreign import ccall safe "uloc_isRightToLeft"
  c_uloc_isRightToLeft :: CString -> IO Int8
-- locale : LPCSTR -> CString
-- 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 uloc_isrighttoleft =
  foreign "uloc_isRightToLeft"
    (string @-> returning int8_t)
(* locale : LPCSTR -> string *)
(* 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 ("uloc_isRightToLeft" uloc-is-right-to-left :convention :cdecl) :int8
  (locale :string))   ; LPCSTR
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $uloc_isRightToLeft = Win32::API::More->new('icuuc',
    'char uloc_isRightToLeft(LPCSTR locale)');
# my $ret = $uloc_isRightToLeft->Call($locale);
# locale : LPCSTR -> LPCSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。