uregex_getMatchCallback

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

void uregex_getMatchCallback(
    const URegularExpression* regexp,
    URegexMatchCallback* callback,
    const void** context,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub uregex_getMatchCallback(
    ByRef regexp As IntPtr,   ' URegularExpression*
    callback As IntPtr,   ' URegexMatchCallback* in/out
    context As IntPtr,   ' void**
    ByRef status As Integer   ' UErrorCode* in/out
)
End Sub

' regexp : URegularExpression*
' callback : URegexMatchCallback* in/out
' context : void**
' status : UErrorCode* in/out
Declare PtrSafe Sub uregex_getMatchCallback Lib "icuin" ( _
    ByRef regexp As LongPtr, _
    ByVal callback As LongPtr, _
    ByVal context As LongPtr, _
    ByRef status As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

uregex_getMatchCallback = ctypes.cdll.icuin.uregex_getMatchCallback
uregex_getMatchCallback.restype = None
uregex_getMatchCallback.argtypes = [
    ctypes.c_void_p,  # regexp : URegularExpression*
    ctypes.c_void_p,  # callback : URegexMatchCallback* in/out
    ctypes.c_void_p,  # context : void**
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
uregex_getMatchCallback = Fiddle::Function.new(
  lib['uregex_getMatchCallback'],
  [
    Fiddle::TYPE_VOIDP,  # regexp : URegularExpression*
    Fiddle::TYPE_VOIDP,  # callback : URegexMatchCallback* in/out
    Fiddle::TYPE_VOIDP,  # context : void**
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn uregex_getMatchCallback(
        regexp: *const isize,  // URegularExpression*
        callback: *mut *const core::ffi::c_void,  // URegexMatchCallback* in/out
        context: *const *const (),  // void**
        status: *mut i32  // UErrorCode* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern void uregex_getMatchCallback(ref IntPtr regexp, IntPtr callback, IntPtr context, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_uregex_getMatchCallback' -Namespace Win32 -PassThru
# $api::uregex_getMatchCallback(regexp, callback, context, status)

#uselib "icuin.dll"
#func global uregex_getMatchCallback "uregex_getMatchCallback" sptr, sptr, sptr, sptr
; uregex_getMatchCallback varptr(regexp), callback, context, varptr(status)
; regexp : URegularExpression* -> "sptr"
; callback : URegexMatchCallback* in/out -> "sptr"
; context : void** -> "sptr"
; status : UErrorCode* in/out -> "sptr"

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

var (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procuregex_getMatchCallback = icuin.NewProc("uregex_getMatchCallback")
)

// regexp (URegularExpression*), callback (URegexMatchCallback* in/out), context (void**), status (UErrorCode* in/out)
r1, _, err := procuregex_getMatchCallback.Call(
	uintptr(regexp),
	uintptr(callback),
	uintptr(context),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure uregex_getMatchCallback(
  regexp: Pointer;   // URegularExpression*
  callback: Pointer;   // URegexMatchCallback* in/out
  context: Pointer;   // void**
  status: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuin.dll' name 'uregex_getMatchCallback';

result := DllCall("icuin\uregex_getMatchCallback"
    , "Ptr", regexp   ; URegularExpression*
    , "Ptr", callback   ; URegexMatchCallback* in/out
    , "Ptr", context   ; void**
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●uregex_getMatchCallback(regexp, callback, context, status) = DLL("icuin.dll", "int uregex_getMatchCallback(void*, void*, void*, void*)")
# 呼び出し: uregex_getMatchCallback(regexp, callback, context, status)
# regexp : URegularExpression* -> "void*"
# callback : URegexMatchCallback* in/out -> "void*"
# context : void** -> "void*"
# 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 uregex_getMatchCallback(
    regexp: [*c]isize, // URegularExpression*
    callback: ?*anyopaque, // URegexMatchCallback* in/out
    context: ?*anyopaque, // void**
    status: [*c]i32 // UErrorCode* in/out
) callconv(.c) void;

proc uregex_getMatchCallback(
    regexp: ptr int,  # URegularExpression*
    callback: pointer,  # URegexMatchCallback* in/out
    context: pointer,  # void**
    status: ptr int32  # UErrorCode* in/out
) {.importc: "uregex_getMatchCallback", cdecl, dynlib: "icuin.dll".}

pragma(lib, "icuin");
extern(C)
void uregex_getMatchCallback(
    ptrdiff_t* regexp,   // URegularExpression*
    void* callback,   // URegexMatchCallback* in/out
    void** context,   // void**
    int* status   // UErrorCode* in/out
);

ccall((:uregex_getMatchCallback, "icuin.dll"), Cvoid,
      (Ptr{Int}, Ptr{Cvoid}, Ptr{Cvoid}, Ptr{Int32}),
      regexp, callback, context, status)
# regexp : URegularExpression* -> Ptr{Int}
# callback : URegexMatchCallback* in/out -> Ptr{Cvoid}
# context : void** -> Ptr{Cvoid}
# status : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
void uregex_getMatchCallback(
    intptr_t* regexp,
    void* callback,
    void** context,
    int32_t* status);
]]
local icuin = ffi.load("icuin")
-- icuin.uregex_getMatchCallback(regexp, callback, context, status)
-- regexp : URegularExpression*
-- callback : URegexMatchCallback* in/out
-- context : void**
-- 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 uregex_getMatchCallback = lib.func('__cdecl', 'uregex_getMatchCallback', 'void', ['intptr_t *', 'void *', 'void *', 'int32_t *']);
// uregex_getMatchCallback(regexp, callback, context, status)
// regexp : URegularExpression* -> 'intptr_t *'
// callback : URegexMatchCallback* in/out -> 'void *'
// context : void** -> 'void *'
// 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。
// コールバック(関数ポインタ)は koffi.proto/koffi.register で型を定義して渡す(素の void* では JS 関数を渡せない)。

const lib = Deno.dlopen("icuin.dll", {
  uregex_getMatchCallback: { parameters: ["pointer", "pointer", "pointer", "pointer"], result: "void" },
});
// lib.symbols.uregex_getMatchCallback(regexp, callback, context, status)
// regexp : URegularExpression* -> "pointer"
// callback : URegexMatchCallback* in/out -> "pointer"
// context : void** -> "pointer"
// 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
void uregex_getMatchCallback(
    intptr_t* regexp,
    void* callback,
    void** context,
    int32_t* status);
C, "icuin.dll");
// $ffi->uregex_getMatchCallback(regexp, callback, context, status);
// regexp : URegularExpression*
// callback : URegexMatchCallback* in/out
// context : void**
// 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);
    void uregex_getMatchCallback(
        LongByReference regexp,   // URegularExpression*
        Callback callback,   // URegexMatchCallback* in/out
        Pointer context,   // void**
        IntByReference status   // UErrorCode* in/out
    );
}

@[Link("icuin")]
lib Libicuin
  fun uregex_getMatchCallback = uregex_getMatchCallback(
    regexp : LibC::SSizeT*,   # URegularExpression*
    callback : Void*,   # URegexMatchCallback* in/out
    context : Void**,   # void**
    status : Int32*   # UErrorCode* in/out
  ) : Void
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 uregex_getMatchCallbackNative = Void Function(Pointer<IntPtr>, Pointer<Void>, Pointer<Void>, Pointer<Int32>);
typedef uregex_getMatchCallbackDart = void Function(Pointer<IntPtr>, Pointer<Void>, Pointer<Void>, Pointer<Int32>);
final uregex_getMatchCallback = DynamicLibrary.open('icuin.dll')
    .lookupFunction<uregex_getMatchCallbackNative, uregex_getMatchCallbackDart>('uregex_getMatchCallback');
// regexp : URegularExpression* -> Pointer<IntPtr>
// callback : URegexMatchCallback* in/out -> Pointer<Void>
// context : void** -> Pointer<Void>
// status : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure uregex_getMatchCallback(
  regexp: Pointer;   // URegularExpression*
  callback: Pointer;   // URegexMatchCallback* in/out
  context: Pointer;   // void**
  status: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuin.dll' name 'uregex_getMatchCallback';

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

foreign import ccall safe "uregex_getMatchCallback"
  c_uregex_getMatchCallback :: Ptr CIntPtr -> Ptr () -> Ptr () -> Ptr Int32 -> IO ()
-- regexp : URegularExpression* -> Ptr CIntPtr
-- callback : URegexMatchCallback* in/out -> Ptr ()
-- context : void** -> Ptr ()
-- 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 uregex_getmatchcallback =
  foreign "uregex_getMatchCallback"
    ((ptr intptr_t) @-> (ptr void) @-> (ptr void) @-> (ptr int32_t) @-> returning void)
(* regexp : URegularExpression* -> (ptr intptr_t) *)
(* callback : URegexMatchCallback* in/out -> (ptr void) *)
(* context : void** -> (ptr void) *)
(* 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 ("uregex_getMatchCallback" uregex-get-match-callback :convention :cdecl) :void
  (regexp :pointer)   ; URegularExpression*
  (callback :pointer)   ; URegexMatchCallback* in/out
  (context :pointer)   ; void**
  (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 $uregex_getMatchCallback = Win32::API::More->new('icuin',
    'void uregex_getMatchCallback(LPVOID regexp, LPVOID callback, LPVOID context, LPVOID status)');
# my $ret = $uregex_getMatchCallback->Call($regexp, $callback, $context, $status);
# regexp : URegularExpression* -> LPVOID
# callback : URegexMatchCallback* in/out -> LPVOID
# context : void** -> LPVOID
# 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。
# コールバック(関数ポインタ)は Perl sub を直接渡せません。Win32::API::Callback を使用してください。