ucol_getLocaleByType

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

LPSTR ucol_getLocaleByType(
    const UCollator* coll,
    ULocDataLocaleType type,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ucol_getLocaleByType(
    ByRef coll As IntPtr,   ' UCollator*
    type As Integer,   ' ULocDataLocaleType
    ByRef status As Integer   ' UErrorCode* in/out
) As IntPtr
End Function

' coll : UCollator*
' type : ULocDataLocaleType
' status : UErrorCode* in/out
Declare PtrSafe Function ucol_getLocaleByType Lib "icuin" ( _
    ByRef coll As LongPtr, _
    ByVal type As Long, _
    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

ucol_getLocaleByType = ctypes.cdll.icuin.ucol_getLocaleByType
ucol_getLocaleByType.restype = wintypes.LPSTR
ucol_getLocaleByType.argtypes = [
    ctypes.c_void_p,  # coll : UCollator*
    ctypes.c_int,  # type : ULocDataLocaleType
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
ucol_getLocaleByType = Fiddle::Function.new(
  lib['ucol_getLocaleByType'],
  [
    Fiddle::TYPE_VOIDP,  # coll : UCollator*
    Fiddle::TYPE_INT,  # type : ULocDataLocaleType
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn ucol_getLocaleByType(
        coll: *const isize,  // UCollator*
        type: i32,  // ULocDataLocaleType
        status: *mut i32  // UErrorCode* in/out
    ) -> *mut u8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr ucol_getLocaleByType(ref IntPtr coll, int type, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_ucol_getLocaleByType' -Namespace Win32 -PassThru
# $api::ucol_getLocaleByType(coll, type, status)

#uselib "icuin.dll"
#func global ucol_getLocaleByType "ucol_getLocaleByType" sptr, sptr, sptr
; ucol_getLocaleByType varptr(coll), type, varptr(status)   ; 戻り値は stat
; coll : UCollator* -> "sptr"
; type : ULocDataLocaleType -> "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")
	procucol_getLocaleByType = icuin.NewProc("ucol_getLocaleByType")
)

// coll (UCollator*), type (ULocDataLocaleType), status (UErrorCode* in/out)
r1, _, err := procucol_getLocaleByType.Call(
	uintptr(coll),
	uintptr(type),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LPSTR

function ucol_getLocaleByType(
  coll: Pointer;   // UCollator*
  type: Integer;   // ULocDataLocaleType
  status: Pointer   // UErrorCode* in/out
): PAnsiChar; cdecl;
  external 'icuin.dll' name 'ucol_getLocaleByType';

result := DllCall("icuin\ucol_getLocaleByType"
    , "Ptr", coll   ; UCollator*
    , "Int", type   ; ULocDataLocaleType
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Ptr")   ; return: LPSTR

●ucol_getLocaleByType(coll, type, status) = DLL("icuin.dll", "char* ucol_getLocaleByType(void*, int, void*)")
# 呼び出し: ucol_getLocaleByType(coll, type, status)
# coll : UCollator* -> "void*"
# type : ULocDataLocaleType -> "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 ucol_getLocaleByType(
    coll: [*c]isize, // UCollator*
    type: i32, // ULocDataLocaleType
    status: [*c]i32 // UErrorCode* in/out
) callconv(.c) [*c]const u8;

proc ucol_getLocaleByType(
    coll: ptr int,  # UCollator*
    `type`: int32,  # ULocDataLocaleType
    status: ptr int32  # UErrorCode* in/out
): cstring {.importc: "ucol_getLocaleByType", cdecl, dynlib: "icuin.dll".}

pragma(lib, "icuin");
extern(C)
const(char)* ucol_getLocaleByType(
    ptrdiff_t* coll,   // UCollator*
    int type,   // ULocDataLocaleType
    int* status   // UErrorCode* in/out
);

ccall((:ucol_getLocaleByType, "icuin.dll"), Cstring,
      (Ptr{Int}, Int32, Ptr{Int32}),
      coll, type, status)
# coll : UCollator* -> Ptr{Int}
# type : ULocDataLocaleType -> Int32
# status : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
const char* ucol_getLocaleByType(
    intptr_t* coll,
    int32_t type,
    int32_t* status);
]]
local icuin = ffi.load("icuin")
-- icuin.ucol_getLocaleByType(coll, type, status)
-- coll : UCollator*
-- type : ULocDataLocaleType
-- 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 ucol_getLocaleByType = lib.func('__cdecl', 'ucol_getLocaleByType', 'void *', ['intptr_t *', 'int32_t', 'int32_t *']);
// ucol_getLocaleByType(coll, type, status)
// coll : UCollator* -> 'intptr_t *'
// type : ULocDataLocaleType -> '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", {
  ucol_getLocaleByType: { parameters: ["pointer", "i32", "pointer"], result: "pointer" },
});
// lib.symbols.ucol_getLocaleByType(coll, type, status)
// coll : UCollator* -> "pointer"
// type : ULocDataLocaleType -> "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
const char* ucol_getLocaleByType(
    intptr_t* coll,
    int32_t type,
    int32_t* status);
C, "icuin.dll");
// $ffi->ucol_getLocaleByType(coll, type, status);
// coll : UCollator*
// type : ULocDataLocaleType
// 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);
    Pointer ucol_getLocaleByType(
        LongByReference coll,   // UCollator*
        int type,   // ULocDataLocaleType
        IntByReference status   // UErrorCode* in/out
    );
}

@[Link("icuin")]
lib Libicuin
  fun ucol_getLocaleByType = ucol_getLocaleByType(
    coll : LibC::SSizeT*,   # UCollator*
    type_ : Int32,   # ULocDataLocaleType
    status : 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 ucol_getLocaleByTypeNative = Pointer<Utf8> Function(Pointer<IntPtr>, Int32, Pointer<Int32>);
typedef ucol_getLocaleByTypeDart = Pointer<Utf8> Function(Pointer<IntPtr>, int, Pointer<Int32>);
final ucol_getLocaleByType = DynamicLibrary.open('icuin.dll')
    .lookupFunction<ucol_getLocaleByTypeNative, ucol_getLocaleByTypeDart>('ucol_getLocaleByType');
// coll : UCollator* -> Pointer<IntPtr>
// type : ULocDataLocaleType -> Int32
// status : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ucol_getLocaleByType(
  coll: Pointer;   // UCollator*
  type: Integer;   // ULocDataLocaleType
  status: Pointer   // UErrorCode* in/out
): PAnsiChar; cdecl;
  external 'icuin.dll' name 'ucol_getLocaleByType';

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

foreign import ccall safe "ucol_getLocaleByType"
  c_ucol_getLocaleByType :: Ptr CIntPtr -> Int32 -> Ptr Int32 -> IO CString
-- coll : UCollator* -> Ptr CIntPtr
-- type : ULocDataLocaleType -> 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 ucol_getlocalebytype =
  foreign "ucol_getLocaleByType"
    ((ptr intptr_t) @-> int32_t @-> (ptr int32_t) @-> returning string)
(* coll : UCollator* -> (ptr intptr_t) *)
(* type : ULocDataLocaleType -> 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 ("ucol_getLocaleByType" ucol-get-locale-by-type :convention :cdecl) :string
  (coll :pointer)   ; UCollator*
  (type :int32)   ; ULocDataLocaleType
  (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 $ucol_getLocaleByType = Win32::API::More->new('icuin',
    'LPSTR ucol_getLocaleByType(LPVOID coll, int type, LPVOID status)');
# my $ret = $ucol_getLocaleByType->Call($coll, $type, $status);
# coll : UCollator* -> LPVOID
# type : ULocDataLocaleType -> 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。