ures_openAvailableLocales

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

UEnumeration* ures_openAvailableLocales(
    LPCSTR packageName,
    UErrorCode* status
);

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

' packageName : LPCSTR
' status : UErrorCode* in/out
Declare PtrSafe Function ures_openAvailableLocales Lib "icuuc" ( _
    ByVal packageName 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_openAvailableLocales = ctypes.cdll.icuuc.ures_openAvailableLocales
ures_openAvailableLocales.restype = ctypes.c_void_p
ures_openAvailableLocales.argtypes = [
    wintypes.LPCSTR,  # packageName : LPCSTR
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

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

#[link(name = "icuuc")]
extern "C" {
    fn ures_openAvailableLocales(
        packageName: *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_openAvailableLocales([MarshalAs(UnmanagedType.LPStr)] string packageName, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_ures_openAvailableLocales' -Namespace Win32 -PassThru
# $api::ures_openAvailableLocales(packageName, status)

#uselib "icuuc.dll"
#func global ures_openAvailableLocales "ures_openAvailableLocales" sptr, sptr
; ures_openAvailableLocales packageName, varptr(status)   ; 戻り値は stat
; packageName : 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_openAvailableLocales = icuuc.NewProc("ures_openAvailableLocales")
)

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

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

result := DllCall("icuuc\ures_openAvailableLocales"
    , "AStr", packageName   ; LPCSTR
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Ptr")   ; return: UEnumeration*

●ures_openAvailableLocales(packageName, status) = DLL("icuuc.dll", "void* ures_openAvailableLocales(char*, void*)")
# 呼び出し: ures_openAvailableLocales(packageName, status)
# packageName : 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_openAvailableLocales(
    packageName: [*c]const u8, // LPCSTR
    status: [*c]i32 // UErrorCode* in/out
) callconv(.c) [*c]isize;

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

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

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

local ffi = require("ffi")
ffi.cdef[[
intptr_t* ures_openAvailableLocales(
    const char* packageName,
    int32_t* status);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.ures_openAvailableLocales(packageName, status)
-- packageName : 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_openAvailableLocales = lib.func('__cdecl', 'ures_openAvailableLocales', 'intptr_t *', ['str', 'int32_t *']);
// ures_openAvailableLocales(packageName, status)
// packageName : 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_openAvailableLocales: { parameters: ["buffer", "pointer"], result: "pointer" },
});
// lib.symbols.ures_openAvailableLocales(packageName, status)
// packageName : 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_openAvailableLocales(
    const char* packageName,
    int32_t* status);
C, "icuuc.dll");
// $ffi->ures_openAvailableLocales(packageName, status);
// packageName : 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_openAvailableLocales(
        String packageName,   // LPCSTR
        IntByReference status   // UErrorCode* in/out
    );
}

@[Link("icuuc")]
lib Libicuuc
  fun ures_openAvailableLocales = ures_openAvailableLocales(
    packageName : 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_openAvailableLocalesNative = Pointer<IntPtr> Function(Pointer<Utf8>, Pointer<Int32>);
typedef ures_openAvailableLocalesDart = Pointer<IntPtr> Function(Pointer<Utf8>, Pointer<Int32>);
final ures_openAvailableLocales = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<ures_openAvailableLocalesNative, ures_openAvailableLocalesDart>('ures_openAvailableLocales');
// packageName : 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_openAvailableLocales(
  packageName: PAnsiChar;   // LPCSTR
  status: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuuc.dll' name 'ures_openAvailableLocales';

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

foreign import ccall safe "ures_openAvailableLocales"
  c_ures_openAvailableLocales :: CString -> Ptr Int32 -> IO (Ptr CIntPtr)
-- packageName : 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_openavailablelocales =
  foreign "ures_openAvailableLocales"
    (string @-> (ptr int32_t) @-> returning (ptr intptr_t))
(* packageName : 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_openAvailableLocales" ures-open-available-locales :convention :cdecl) :pointer
  (package-name :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_openAvailableLocales = Win32::API::More->new('icuuc',
    'LPVOID ures_openAvailableLocales(LPCSTR packageName, LPVOID status)');
# my $ret = $ures_openAvailableLocales->Call($packageName, $status);
# packageName : 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。