ulocdata_getLocaleDisplayPattern

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

INT ulocdata_getLocaleDisplayPattern(
    ULocaleData* uld,
    WORD* pattern,
    INT patternCapacity,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ulocdata_getLocaleDisplayPattern(
    ByRef uld As IntPtr,   ' ULocaleData* in/out
    ByRef pattern As UShort,   ' WORD* in/out
    patternCapacity As Integer,   ' INT
    ByRef status As Integer   ' UErrorCode* in/out
) As Integer
End Function

' uld : ULocaleData* in/out
' pattern : WORD* in/out
' patternCapacity : INT
' status : UErrorCode* in/out
Declare PtrSafe Function ulocdata_getLocaleDisplayPattern Lib "icuin" ( _
    ByRef uld As LongPtr, _
    ByRef pattern As Integer, _
    ByVal patternCapacity As Long, _
    ByRef status 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

ulocdata_getLocaleDisplayPattern = ctypes.cdll.icuin.ulocdata_getLocaleDisplayPattern
ulocdata_getLocaleDisplayPattern.restype = ctypes.c_int
ulocdata_getLocaleDisplayPattern.argtypes = [
    ctypes.c_void_p,  # uld : ULocaleData* in/out
    ctypes.POINTER(ctypes.c_ushort),  # pattern : WORD* in/out
    ctypes.c_int,  # patternCapacity : INT
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
ulocdata_getLocaleDisplayPattern = Fiddle::Function.new(
  lib['ulocdata_getLocaleDisplayPattern'],
  [
    Fiddle::TYPE_VOIDP,  # uld : ULocaleData* in/out
    Fiddle::TYPE_VOIDP,  # pattern : WORD* in/out
    Fiddle::TYPE_INT,  # patternCapacity : INT
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn ulocdata_getLocaleDisplayPattern(
        uld: *mut isize,  // ULocaleData* in/out
        pattern: *mut u16,  // WORD* in/out
        patternCapacity: i32,  // INT
        status: *mut i32  // UErrorCode* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int ulocdata_getLocaleDisplayPattern(ref IntPtr uld, ref ushort pattern, int patternCapacity, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_ulocdata_getLocaleDisplayPattern' -Namespace Win32 -PassThru
# $api::ulocdata_getLocaleDisplayPattern(uld, pattern, patternCapacity, status)

#uselib "icuin.dll"
#func global ulocdata_getLocaleDisplayPattern "ulocdata_getLocaleDisplayPattern" sptr, sptr, sptr, sptr
; ulocdata_getLocaleDisplayPattern varptr(uld), varptr(pattern), patternCapacity, varptr(status)   ; 戻り値は stat
; uld : ULocaleData* in/out -> "sptr"
; pattern : WORD* in/out -> "sptr"
; patternCapacity : INT -> "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 (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	proculocdata_getLocaleDisplayPattern = icuin.NewProc("ulocdata_getLocaleDisplayPattern")
)

// uld (ULocaleData* in/out), pattern (WORD* in/out), patternCapacity (INT), status (UErrorCode* in/out)
r1, _, err := proculocdata_getLocaleDisplayPattern.Call(
	uintptr(uld),
	uintptr(pattern),
	uintptr(patternCapacity),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function ulocdata_getLocaleDisplayPattern(
  uld: Pointer;   // ULocaleData* in/out
  pattern: Pointer;   // WORD* in/out
  patternCapacity: Integer;   // INT
  status: Pointer   // UErrorCode* in/out
): Integer; cdecl;
  external 'icuin.dll' name 'ulocdata_getLocaleDisplayPattern';

result := DllCall("icuin\ulocdata_getLocaleDisplayPattern"
    , "Ptr", uld   ; ULocaleData* in/out
    , "Ptr", pattern   ; WORD* in/out
    , "Int", patternCapacity   ; INT
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: INT

●ulocdata_getLocaleDisplayPattern(uld, pattern, patternCapacity, status) = DLL("icuin.dll", "int ulocdata_getLocaleDisplayPattern(void*, void*, int, void*)")
# 呼び出し: ulocdata_getLocaleDisplayPattern(uld, pattern, patternCapacity, status)
# uld : ULocaleData* in/out -> "void*"
# pattern : WORD* in/out -> "void*"
# patternCapacity : INT -> "int"
# 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 "icuin" fn ulocdata_getLocaleDisplayPattern(
    uld: [*c]isize, // ULocaleData* in/out
    pattern: [*c]u16, // WORD* in/out
    patternCapacity: i32, // INT
    status: [*c]i32 // UErrorCode* in/out
) callconv(.c) i32;

proc ulocdata_getLocaleDisplayPattern(
    uld: ptr int,  # ULocaleData* in/out
    pattern: ptr uint16,  # WORD* in/out
    patternCapacity: int32,  # INT
    status: ptr int32  # UErrorCode* in/out
): int32 {.importc: "ulocdata_getLocaleDisplayPattern", cdecl, dynlib: "icuin.dll".}

pragma(lib, "icuin");
extern(C)
int ulocdata_getLocaleDisplayPattern(
    ptrdiff_t* uld,   // ULocaleData* in/out
    ushort* pattern,   // WORD* in/out
    int patternCapacity,   // INT
    int* status   // UErrorCode* in/out
);

ccall((:ulocdata_getLocaleDisplayPattern, "icuin.dll"), Int32,
      (Ptr{Int}, Ptr{UInt16}, Int32, Ptr{Int32}),
      uld, pattern, patternCapacity, status)
# uld : ULocaleData* in/out -> Ptr{Int}
# pattern : WORD* in/out -> Ptr{UInt16}
# patternCapacity : INT -> Int32
# status : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
int32_t ulocdata_getLocaleDisplayPattern(
    intptr_t* uld,
    uint16_t* pattern,
    int32_t patternCapacity,
    int32_t* status);
]]
local icuin = ffi.load("icuin")
-- icuin.ulocdata_getLocaleDisplayPattern(uld, pattern, patternCapacity, status)
-- uld : ULocaleData* in/out
-- pattern : WORD* in/out
-- patternCapacity : INT
-- 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('icuin.dll');
const ulocdata_getLocaleDisplayPattern = lib.func('__cdecl', 'ulocdata_getLocaleDisplayPattern', 'int32_t', ['intptr_t *', 'uint16_t *', 'int32_t', 'int32_t *']);
// ulocdata_getLocaleDisplayPattern(uld, pattern, patternCapacity, status)
// uld : ULocaleData* in/out -> 'intptr_t *'
// pattern : WORD* in/out -> 'uint16_t *'
// patternCapacity : INT -> 'int32_t'
// 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("icuin.dll", {
  ulocdata_getLocaleDisplayPattern: { parameters: ["pointer", "pointer", "i32", "pointer"], result: "i32" },
});
// lib.symbols.ulocdata_getLocaleDisplayPattern(uld, pattern, patternCapacity, status)
// uld : ULocaleData* in/out -> "pointer"
// pattern : WORD* in/out -> "pointer"
// patternCapacity : INT -> "i32"
// 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
int32_t ulocdata_getLocaleDisplayPattern(
    intptr_t* uld,
    uint16_t* pattern,
    int32_t patternCapacity,
    int32_t* status);
C, "icuin.dll");
// $ffi->ulocdata_getLocaleDisplayPattern(uld, pattern, patternCapacity, status);
// uld : ULocaleData* in/out
// pattern : WORD* in/out
// patternCapacity : INT
// 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 Icuin extends Library {
    Icuin INSTANCE = Native.load("icuin", Icuin.class);
    int ulocdata_getLocaleDisplayPattern(
        LongByReference uld,   // ULocaleData* in/out
        ShortByReference pattern,   // WORD* in/out
        int patternCapacity,   // INT
        IntByReference status   // UErrorCode* in/out
    );
}

@[Link("icuin")]
lib Libicuin
  fun ulocdata_getLocaleDisplayPattern = ulocdata_getLocaleDisplayPattern(
    uld : LibC::SSizeT*,   # ULocaleData* in/out
    pattern : UInt16*,   # WORD* in/out
    patternCapacity : Int32,   # INT
    status : Int32*   # UErrorCode* in/out
  ) : 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 ulocdata_getLocaleDisplayPatternNative = Int32 Function(Pointer<IntPtr>, Pointer<Uint16>, Int32, Pointer<Int32>);
typedef ulocdata_getLocaleDisplayPatternDart = int Function(Pointer<IntPtr>, Pointer<Uint16>, int, Pointer<Int32>);
final ulocdata_getLocaleDisplayPattern = DynamicLibrary.open('icuin.dll')
    .lookupFunction<ulocdata_getLocaleDisplayPatternNative, ulocdata_getLocaleDisplayPatternDart>('ulocdata_getLocaleDisplayPattern');
// uld : ULocaleData* in/out -> Pointer<IntPtr>
// pattern : WORD* in/out -> Pointer<Uint16>
// patternCapacity : INT -> Int32
// status : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ulocdata_getLocaleDisplayPattern(
  uld: Pointer;   // ULocaleData* in/out
  pattern: Pointer;   // WORD* in/out
  patternCapacity: Integer;   // INT
  status: Pointer   // UErrorCode* in/out
): Integer; cdecl;
  external 'icuin.dll' name 'ulocdata_getLocaleDisplayPattern';

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

foreign import ccall safe "ulocdata_getLocaleDisplayPattern"
  c_ulocdata_getLocaleDisplayPattern :: Ptr CIntPtr -> Ptr Word16 -> Int32 -> Ptr Int32 -> IO Int32
-- uld : ULocaleData* in/out -> Ptr CIntPtr
-- pattern : WORD* in/out -> Ptr Word16
-- patternCapacity : INT -> Int32
-- 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 ulocdata_getlocaledisplaypattern =
  foreign "ulocdata_getLocaleDisplayPattern"
    ((ptr intptr_t) @-> (ptr uint16_t) @-> int32_t @-> (ptr int32_t) @-> returning int32_t)
(* uld : ULocaleData* in/out -> (ptr intptr_t) *)
(* pattern : WORD* in/out -> (ptr uint16_t) *)
(* patternCapacity : INT -> int32_t *)
(* 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 icuin (t "icuin.dll"))
(cffi:use-foreign-library icuin)

(cffi:defcfun ("ulocdata_getLocaleDisplayPattern" ulocdata-get-locale-display-pattern :convention :cdecl) :int32
  (uld :pointer)   ; ULocaleData* in/out
  (pattern :pointer)   ; WORD* in/out
  (pattern-capacity :int32)   ; INT
  (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 $ulocdata_getLocaleDisplayPattern = Win32::API::More->new('icuin',
    'int ulocdata_getLocaleDisplayPattern(LPVOID uld, LPVOID pattern, int patternCapacity, LPVOID status)');
# my $ret = $ulocdata_getLocaleDisplayPattern->Call($uld, $pattern, $patternCapacity, $status);
# uld : ULocaleData* in/out -> LPVOID
# pattern : WORD* in/out -> LPVOID
# patternCapacity : INT -> int
# 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。