uscript_getScript

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

UScriptCode uscript_getScript(
    INT codepoint,
    UErrorCode* err
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function uscript_getScript(
    codepoint As Integer,   ' INT
    ByRef err As Integer   ' UErrorCode* in/out
) As Integer
End Function

' codepoint : INT
' err : UErrorCode* in/out
Declare PtrSafe Function uscript_getScript Lib "icuuc" ( _
    ByVal codepoint As Long, _
    ByRef err 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

uscript_getScript = ctypes.cdll.icuuc.uscript_getScript
uscript_getScript.restype = ctypes.c_int
uscript_getScript.argtypes = [
    ctypes.c_int,  # codepoint : INT
    ctypes.c_void_p,  # err : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
uscript_getScript = Fiddle::Function.new(
  lib['uscript_getScript'],
  [
    Fiddle::TYPE_INT,  # codepoint : INT
    Fiddle::TYPE_VOIDP,  # err : UErrorCode* in/out
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn uscript_getScript(
        codepoint: i32,  // INT
        err: *mut i32  // UErrorCode* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int uscript_getScript(int codepoint, ref int err);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_uscript_getScript' -Namespace Win32 -PassThru
# $api::uscript_getScript(codepoint, err)

#uselib "icuuc.dll"
#func global uscript_getScript "uscript_getScript" sptr, sptr
; uscript_getScript codepoint, varptr(err)   ; 戻り値は stat
; codepoint : INT -> "sptr"
; err : 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 (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procuscript_getScript = icuuc.NewProc("uscript_getScript")
)

// codepoint (INT), err (UErrorCode* in/out)
r1, _, err := procuscript_getScript.Call(
	uintptr(codepoint),
	uintptr(err),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // UScriptCode

function uscript_getScript(
  codepoint: Integer;   // INT
  err: Pointer   // UErrorCode* in/out
): Integer; cdecl;
  external 'icuuc.dll' name 'uscript_getScript';

result := DllCall("icuuc\uscript_getScript"
    , "Int", codepoint   ; INT
    , "Ptr", err   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: UScriptCode

●uscript_getScript(codepoint, err) = DLL("icuuc.dll", "int uscript_getScript(int, void*)")
# 呼び出し: uscript_getScript(codepoint, err)
# codepoint : INT -> "int"
# err : 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 "icuuc" fn uscript_getScript(
    codepoint: i32, // INT
    err: [*c]i32 // UErrorCode* in/out
) callconv(.c) i32;

proc uscript_getScript(
    codepoint: int32,  # INT
    err: ptr int32  # UErrorCode* in/out
): int32 {.importc: "uscript_getScript", cdecl, dynlib: "icuuc.dll".}

pragma(lib, "icuuc");
extern(C)
int uscript_getScript(
    int codepoint,   // INT
    int* err   // UErrorCode* in/out
);

ccall((:uscript_getScript, "icuuc.dll"), Int32,
      (Int32, Ptr{Int32}),
      codepoint, err)
# codepoint : INT -> Int32
# err : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
int32_t uscript_getScript(
    int32_t codepoint,
    int32_t* err);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.uscript_getScript(codepoint, err)
-- codepoint : INT
-- err : 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('icuuc.dll');
const uscript_getScript = lib.func('__cdecl', 'uscript_getScript', 'int32_t', ['int32_t', 'int32_t *']);
// uscript_getScript(codepoint, err)
// codepoint : INT -> 'int32_t'
// err : 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("icuuc.dll", {
  uscript_getScript: { parameters: ["i32", "pointer"], result: "i32" },
});
// lib.symbols.uscript_getScript(codepoint, err)
// codepoint : INT -> "i32"
// err : 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 uscript_getScript(
    int32_t codepoint,
    int32_t* err);
C, "icuuc.dll");
// $ffi->uscript_getScript(codepoint, err);
// codepoint : INT
// err : 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 Icuuc extends Library {
    Icuuc INSTANCE = Native.load("icuuc", Icuuc.class);
    int uscript_getScript(
        int codepoint,   // INT
        IntByReference err   // UErrorCode* in/out
    );
}

@[Link("icuuc")]
lib Libicuuc
  fun uscript_getScript = uscript_getScript(
    codepoint : Int32,   # INT
    err : 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 uscript_getScriptNative = Int32 Function(Int32, Pointer<Int32>);
typedef uscript_getScriptDart = int Function(int, Pointer<Int32>);
final uscript_getScript = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<uscript_getScriptNative, uscript_getScriptDart>('uscript_getScript');
// codepoint : INT -> Int32
// err : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function uscript_getScript(
  codepoint: Integer;   // INT
  err: Pointer   // UErrorCode* in/out
): Integer; cdecl;
  external 'icuuc.dll' name 'uscript_getScript';

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

foreign import ccall safe "uscript_getScript"
  c_uscript_getScript :: Int32 -> Ptr Int32 -> IO Int32
-- codepoint : INT -> Int32
-- err : 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 uscript_getscript =
  foreign "uscript_getScript"
    (int32_t @-> (ptr int32_t) @-> returning int32_t)
(* codepoint : INT -> int32_t *)
(* err : 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 icuuc (t "icuuc.dll"))
(cffi:use-foreign-library icuuc)

(cffi:defcfun ("uscript_getScript" uscript-get-script :convention :cdecl) :int32
  (codepoint :int32)   ; INT
  (err :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 $uscript_getScript = Win32::API::More->new('icuuc',
    'int uscript_getScript(int codepoint, LPVOID err)');
# my $ret = $uscript_getScript->Call($codepoint, $err);
# codepoint : INT -> int
# err : 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。