usearch_getPattern

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

WORD* usearch_getPattern(
    const UStringSearch* strsrch,
    INT* length
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function usearch_getPattern(
    ByRef strsrch As IntPtr,   ' UStringSearch*
    ByRef length As Integer   ' INT* in/out
) As IntPtr
End Function

' strsrch : UStringSearch*
' length : INT* in/out
Declare PtrSafe Function usearch_getPattern Lib "icuin" ( _
    ByRef strsrch As LongPtr, _
    ByRef length 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

usearch_getPattern = ctypes.cdll.icuin.usearch_getPattern
usearch_getPattern.restype = ctypes.c_void_p
usearch_getPattern.argtypes = [
    ctypes.c_void_p,  # strsrch : UStringSearch*
    ctypes.POINTER(ctypes.c_int),  # length : INT* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
usearch_getPattern = Fiddle::Function.new(
  lib['usearch_getPattern'],
  [
    Fiddle::TYPE_VOIDP,  # strsrch : UStringSearch*
    Fiddle::TYPE_VOIDP,  # length : INT* in/out
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn usearch_getPattern(
        strsrch: *const isize,  // UStringSearch*
        length: *mut i32  // INT* in/out
    ) -> *mut u16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr usearch_getPattern(ref IntPtr strsrch, ref int length);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_usearch_getPattern' -Namespace Win32 -PassThru
# $api::usearch_getPattern(strsrch, length)

#uselib "icuin.dll"
#func global usearch_getPattern "usearch_getPattern" sptr, sptr
; usearch_getPattern varptr(strsrch), varptr(length)   ; 戻り値は stat
; strsrch : UStringSearch* -> "sptr"
; length : INT* 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")
	procusearch_getPattern = icuin.NewProc("usearch_getPattern")
)

// strsrch (UStringSearch*), length (INT* in/out)
r1, _, err := procusearch_getPattern.Call(
	uintptr(strsrch),
	uintptr(length),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WORD*

function usearch_getPattern(
  strsrch: Pointer;   // UStringSearch*
  length: Pointer   // INT* in/out
): Pointer; cdecl;
  external 'icuin.dll' name 'usearch_getPattern';

result := DllCall("icuin\usearch_getPattern"
    , "Ptr", strsrch   ; UStringSearch*
    , "Ptr", length   ; INT* in/out
    , "Cdecl Ptr")   ; return: WORD*

●usearch_getPattern(strsrch, length) = DLL("icuin.dll", "void* usearch_getPattern(void*, void*)")
# 呼び出し: usearch_getPattern(strsrch, length)
# strsrch : UStringSearch* -> "void*"
# length : INT* 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 usearch_getPattern(
    strsrch: [*c]isize, // UStringSearch*
    length: [*c]i32 // INT* in/out
) callconv(.c) [*c]u16;

proc usearch_getPattern(
    strsrch: ptr int,  # UStringSearch*
    length: ptr int32  # INT* in/out
): ptr uint16 {.importc: "usearch_getPattern", cdecl, dynlib: "icuin.dll".}

pragma(lib, "icuin");
extern(C)
ushort* usearch_getPattern(
    ptrdiff_t* strsrch,   // UStringSearch*
    int* length   // INT* in/out
);

ccall((:usearch_getPattern, "icuin.dll"), Ptr{UInt16},
      (Ptr{Int}, Ptr{Int32}),
      strsrch, length)
# strsrch : UStringSearch* -> Ptr{Int}
# length : INT* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
uint16_t* usearch_getPattern(
    intptr_t* strsrch,
    int32_t* length);
]]
local icuin = ffi.load("icuin")
-- icuin.usearch_getPattern(strsrch, length)
-- strsrch : UStringSearch*
-- length : INT* 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 usearch_getPattern = lib.func('__cdecl', 'usearch_getPattern', 'uint16_t *', ['intptr_t *', 'int32_t *']);
// usearch_getPattern(strsrch, length)
// strsrch : UStringSearch* -> 'intptr_t *'
// length : INT* 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", {
  usearch_getPattern: { parameters: ["pointer", "pointer"], result: "pointer" },
});
// lib.symbols.usearch_getPattern(strsrch, length)
// strsrch : UStringSearch* -> "pointer"
// length : INT* 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
uint16_t* usearch_getPattern(
    intptr_t* strsrch,
    int32_t* length);
C, "icuin.dll");
// $ffi->usearch_getPattern(strsrch, length);
// strsrch : UStringSearch*
// length : INT* 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 usearch_getPattern(
        LongByReference strsrch,   // UStringSearch*
        IntByReference length   // INT* in/out
    );
}

@[Link("icuin")]
lib Libicuin
  fun usearch_getPattern = usearch_getPattern(
    strsrch : LibC::SSizeT*,   # UStringSearch*
    length : Int32*   # INT* in/out
  ) : UInt16*
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 usearch_getPatternNative = Pointer<Uint16> Function(Pointer<IntPtr>, Pointer<Int32>);
typedef usearch_getPatternDart = Pointer<Uint16> Function(Pointer<IntPtr>, Pointer<Int32>);
final usearch_getPattern = DynamicLibrary.open('icuin.dll')
    .lookupFunction<usearch_getPatternNative, usearch_getPatternDart>('usearch_getPattern');
// strsrch : UStringSearch* -> Pointer<IntPtr>
// length : INT* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function usearch_getPattern(
  strsrch: Pointer;   // UStringSearch*
  length: Pointer   // INT* in/out
): Pointer; cdecl;
  external 'icuin.dll' name 'usearch_getPattern';

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

foreign import ccall safe "usearch_getPattern"
  c_usearch_getPattern :: Ptr CIntPtr -> Ptr Int32 -> IO (Ptr Word16)
-- strsrch : UStringSearch* -> Ptr CIntPtr
-- length : INT* 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 usearch_getpattern =
  foreign "usearch_getPattern"
    ((ptr intptr_t) @-> (ptr int32_t) @-> returning (ptr uint16_t))
(* strsrch : UStringSearch* -> (ptr intptr_t) *)
(* length : INT* 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 ("usearch_getPattern" usearch-get-pattern :convention :cdecl) :pointer
  (strsrch :pointer)   ; UStringSearch*
  (length :pointer))   ; INT* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $usearch_getPattern = Win32::API::More->new('icuin',
    'LPVOID usearch_getPattern(LPVOID strsrch, LPVOID length)');
# my $ret = $usearch_getPattern->Call($strsrch, $length);
# strsrch : UStringSearch* -> LPVOID
# length : INT* 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。