ures_getKey

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

LPSTR ures_getKey(
    const UResourceBundle* resourceBundle
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ures_getKey(
    ByRef resourceBundle As IntPtr   ' UResourceBundle*
) As IntPtr
End Function

' resourceBundle : UResourceBundle*
Declare PtrSafe Function ures_getKey Lib "icuuc" ( _
    ByRef resourceBundle As LongPtr) 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_getKey = ctypes.cdll.icuuc.ures_getKey
ures_getKey.restype = wintypes.LPSTR
ures_getKey.argtypes = [
    ctypes.c_void_p,  # resourceBundle : UResourceBundle*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
ures_getKey = Fiddle::Function.new(
  lib['ures_getKey'],
  [
    Fiddle::TYPE_VOIDP,  # resourceBundle : UResourceBundle*
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn ures_getKey(
        resourceBundle: *const isize  // UResourceBundle*
    ) -> *mut u8;
}
// crates: windows-sys provides ready-made bindings for this API.

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

#uselib "icuuc.dll"
#func global ures_getKey "ures_getKey" sptr
; ures_getKey varptr(resourceBundle)   ; 戻り値は stat
; resourceBundle : UResourceBundle* -> "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_getKey = icuuc.NewProc("ures_getKey")
)

// resourceBundle (UResourceBundle*)
r1, _, err := procures_getKey.Call(
	uintptr(resourceBundle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LPSTR

function ures_getKey(
  resourceBundle: Pointer   // UResourceBundle*
): PAnsiChar; cdecl;
  external 'icuuc.dll' name 'ures_getKey';

result := DllCall("icuuc\ures_getKey"
    , "Ptr", resourceBundle   ; UResourceBundle*
    , "Cdecl Ptr")   ; return: LPSTR

●ures_getKey(resourceBundle) = DLL("icuuc.dll", "char* ures_getKey(void*)")
# 呼び出し: ures_getKey(resourceBundle)
# resourceBundle : UResourceBundle* -> "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_getKey(
    resourceBundle: [*c]isize // UResourceBundle*
) callconv(.c) [*c]const u8;

proc ures_getKey(
    resourceBundle: ptr int  # UResourceBundle*
): cstring {.importc: "ures_getKey", cdecl, dynlib: "icuuc.dll".}

pragma(lib, "icuuc");
extern(C)
const(char)* ures_getKey(
    ptrdiff_t* resourceBundle   // UResourceBundle*
);

ccall((:ures_getKey, "icuuc.dll"), Cstring,
      (Ptr{Int},),
      resourceBundle)
# resourceBundle : UResourceBundle* -> Ptr{Int}

local ffi = require("ffi")
ffi.cdef[[
const char* ures_getKey(
    intptr_t* resourceBundle);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.ures_getKey(resourceBundle)
-- resourceBundle : UResourceBundle*
-- 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_getKey = lib.func('__cdecl', 'ures_getKey', 'void *', ['intptr_t *']);
// ures_getKey(resourceBundle)
// resourceBundle : UResourceBundle* -> 'intptr_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_getKey: { parameters: ["pointer"], result: "pointer" },
});
// lib.symbols.ures_getKey(resourceBundle)
// resourceBundle : UResourceBundle* -> "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
const char* ures_getKey(
    intptr_t* resourceBundle);
C, "icuuc.dll");
// $ffi->ures_getKey(resourceBundle);
// resourceBundle : UResourceBundle*
// 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_getKey(
        LongByReference resourceBundle   // UResourceBundle*
    );
}

@[Link("icuuc")]
lib Libicuuc
  fun ures_getKey = ures_getKey(
    resourceBundle : LibC::SSizeT*   # UResourceBundle*
  ) : 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 ures_getKeyNative = Pointer<Utf8> Function(Pointer<IntPtr>);
typedef ures_getKeyDart = Pointer<Utf8> Function(Pointer<IntPtr>);
final ures_getKey = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<ures_getKeyNative, ures_getKeyDart>('ures_getKey');
// resourceBundle : UResourceBundle* -> Pointer<IntPtr>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ures_getKey(
  resourceBundle: Pointer   // UResourceBundle*
): PAnsiChar; cdecl;
  external 'icuuc.dll' name 'ures_getKey';

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

foreign import ccall safe "ures_getKey"
  c_ures_getKey :: Ptr CIntPtr -> IO CString
-- resourceBundle : UResourceBundle* -> Ptr CIntPtr
-- 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_getkey =
  foreign "ures_getKey"
    ((ptr intptr_t) @-> returning string)
(* resourceBundle : UResourceBundle* -> (ptr intptr_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_getKey" ures-get-key :convention :cdecl) :string
  (resource-bundle :pointer))   ; UResourceBundle*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

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