uregex_openC

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

URegularExpression* uregex_openC(
    LPCSTR pattern,
    DWORD flags,
    UParseError* pe,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function uregex_openC(
    <MarshalAs(UnmanagedType.LPStr)> pattern As String,   ' LPCSTR
    flags As UInteger,   ' DWORD
    pe As IntPtr,   ' UParseError* in/out
    ByRef status As Integer   ' UErrorCode* in/out
) As IntPtr
End Function

' pattern : LPCSTR
' flags : DWORD
' pe : UParseError* in/out
' status : UErrorCode* in/out
Declare PtrSafe Function uregex_openC Lib "icuin" ( _
    ByVal pattern As String, _
    ByVal flags As Long, _
    ByVal pe As LongPtr, _
    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

uregex_openC = ctypes.cdll.icuin.uregex_openC
uregex_openC.restype = ctypes.c_void_p
uregex_openC.argtypes = [
    wintypes.LPCSTR,  # pattern : LPCSTR
    wintypes.DWORD,  # flags : DWORD
    ctypes.c_void_p,  # pe : UParseError* in/out
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
uregex_openC = Fiddle::Function.new(
  lib['uregex_openC'],
  [
    Fiddle::TYPE_VOIDP,  # pattern : LPCSTR
    -Fiddle::TYPE_INT,  # flags : DWORD
    Fiddle::TYPE_VOIDP,  # pe : UParseError* in/out
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn uregex_openC(
        pattern: *const u8,  // LPCSTR
        flags: u32,  // DWORD
        pe: *mut UParseError,  // UParseError* in/out
        status: *mut i32  // UErrorCode* in/out
    ) -> *mut isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr uregex_openC([MarshalAs(UnmanagedType.LPStr)] string pattern, uint flags, IntPtr pe, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_uregex_openC' -Namespace Win32 -PassThru
# $api::uregex_openC(pattern, flags, pe, status)

#uselib "icuin.dll"
#func global uregex_openC "uregex_openC" sptr, sptr, sptr, sptr
; uregex_openC pattern, flags, varptr(pe), varptr(status)   ; 戻り値は stat
; pattern : LPCSTR -> "sptr"
; flags : DWORD -> "sptr"
; pe : UParseError* in/out -> "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")
	procuregex_openC = icuin.NewProc("uregex_openC")
)

// pattern (LPCSTR), flags (DWORD), pe (UParseError* in/out), status (UErrorCode* in/out)
r1, _, err := procuregex_openC.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pattern))),
	uintptr(flags),
	uintptr(pe),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // URegularExpression*

function uregex_openC(
  pattern: PAnsiChar;   // LPCSTR
  flags: DWORD;   // DWORD
  pe: Pointer;   // UParseError* in/out
  status: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuin.dll' name 'uregex_openC';

result := DllCall("icuin\uregex_openC"
    , "AStr", pattern   ; LPCSTR
    , "UInt", flags   ; DWORD
    , "Ptr", pe   ; UParseError* in/out
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Ptr")   ; return: URegularExpression*

●uregex_openC(pattern, flags, pe, status) = DLL("icuin.dll", "void* uregex_openC(char*, dword, void*, void*)")
# 呼び出し: uregex_openC(pattern, flags, pe, status)
# pattern : LPCSTR -> "char*"
# flags : DWORD -> "dword"
# pe : UParseError* in/out -> "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_openC(
    pattern: [*c]const u8, // LPCSTR
    flags: u32, // DWORD
    pe: [*c]UParseError, // UParseError* in/out
    status: [*c]i32 // UErrorCode* in/out
) callconv(.c) [*c]isize;

proc uregex_openC(
    pattern: cstring,  # LPCSTR
    flags: uint32,  # DWORD
    pe: ptr UParseError,  # UParseError* in/out
    status: ptr int32  # UErrorCode* in/out
): ptr int {.importc: "uregex_openC", cdecl, dynlib: "icuin.dll".}

pragma(lib, "icuin");
extern(C)
ptrdiff_t* uregex_openC(
    const(char)* pattern,   // LPCSTR
    uint flags,   // DWORD
    UParseError* pe,   // UParseError* in/out
    int* status   // UErrorCode* in/out
);

ccall((:uregex_openC, "icuin.dll"), Ptr{Int},
      (Cstring, UInt32, Ptr{UParseError}, Ptr{Int32}),
      pattern, flags, pe, status)
# pattern : LPCSTR -> Cstring
# flags : DWORD -> UInt32
# pe : UParseError* in/out -> Ptr{UParseError}
# status : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
intptr_t* uregex_openC(
    const char* pattern,
    uint32_t flags,
    void* pe,
    int32_t* status);
]]
local icuin = ffi.load("icuin")
-- icuin.uregex_openC(pattern, flags, pe, status)
-- pattern : LPCSTR
-- flags : DWORD
-- pe : UParseError* in/out
-- 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_openC = lib.func('__cdecl', 'uregex_openC', 'intptr_t *', ['str', 'uint32_t', 'void *', 'int32_t *']);
// uregex_openC(pattern, flags, pe, status)
// pattern : LPCSTR -> 'str'
// flags : DWORD -> 'uint32_t'
// pe : UParseError* in/out -> '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。

const lib = Deno.dlopen("icuin.dll", {
  uregex_openC: { parameters: ["buffer", "u32", "pointer", "pointer"], result: "pointer" },
});
// lib.symbols.uregex_openC(pattern, flags, pe, status)
// pattern : LPCSTR -> "buffer"
// flags : DWORD -> "u32"
// pe : UParseError* in/out -> "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
intptr_t* uregex_openC(
    const char* pattern,
    uint32_t flags,
    void* pe,
    int32_t* status);
C, "icuin.dll");
// $ffi->uregex_openC(pattern, flags, pe, status);
// pattern : LPCSTR
// flags : DWORD
// pe : UParseError* in/out
// 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 uregex_openC(
        String pattern,   // LPCSTR
        int flags,   // DWORD
        Pointer pe,   // UParseError* in/out
        IntByReference status   // UErrorCode* in/out
    );
}

@[Link("icuin")]
lib Libicuin
  fun uregex_openC = uregex_openC(
    pattern : UInt8*,   # LPCSTR
    flags : UInt32,   # DWORD
    pe : UParseError*,   # UParseError* in/out
    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 uregex_openCNative = Pointer<IntPtr> Function(Pointer<Utf8>, Uint32, Pointer<Void>, Pointer<Int32>);
typedef uregex_openCDart = Pointer<IntPtr> Function(Pointer<Utf8>, int, Pointer<Void>, Pointer<Int32>);
final uregex_openC = DynamicLibrary.open('icuin.dll')
    .lookupFunction<uregex_openCNative, uregex_openCDart>('uregex_openC');
// pattern : LPCSTR -> Pointer<Utf8>
// flags : DWORD -> Uint32
// pe : UParseError* in/out -> Pointer<Void>
// status : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function uregex_openC(
  pattern: PAnsiChar;   // LPCSTR
  flags: DWORD;   // DWORD
  pe: Pointer;   // UParseError* in/out
  status: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuin.dll' name 'uregex_openC';

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

foreign import ccall safe "uregex_openC"
  c_uregex_openC :: CString -> Word32 -> Ptr () -> Ptr Int32 -> IO (Ptr CIntPtr)
-- pattern : LPCSTR -> CString
-- flags : DWORD -> Word32
-- pe : UParseError* in/out -> 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_openc =
  foreign "uregex_openC"
    (string @-> uint32_t @-> (ptr void) @-> (ptr int32_t) @-> returning (ptr intptr_t))
(* pattern : LPCSTR -> string *)
(* flags : DWORD -> uint32_t *)
(* pe : UParseError* in/out -> (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_openC" uregex-open-c :convention :cdecl) :pointer
  (pattern :string)   ; LPCSTR
  (flags :uint32)   ; DWORD
  (pe :pointer)   ; UParseError* in/out
  (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_openC = Win32::API::More->new('icuin',
    'LPVOID uregex_openC(LPCSTR pattern, DWORD flags, LPVOID pe, LPVOID status)');
# my $ret = $uregex_openC->Call($pattern, $flags, $pe, $status);
# pattern : LPCSTR -> LPCSTR
# flags : DWORD -> DWORD
# pe : UParseError* in/out -> 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。