uiter_next32

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

INT uiter_next32(
    UCharIterator* iter
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function uiter_next32(
    iter As IntPtr   ' UCharIterator* in/out
) As Integer
End Function

' iter : UCharIterator* in/out
Declare PtrSafe Function uiter_next32 Lib "icuuc" ( _
    ByVal iter As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

uiter_next32 = ctypes.cdll.icuuc.uiter_next32
uiter_next32.restype = ctypes.c_int
uiter_next32.argtypes = [
    ctypes.c_void_p,  # iter : UCharIterator* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
uiter_next32 = Fiddle::Function.new(
  lib['uiter_next32'],
  [
    Fiddle::TYPE_VOIDP,  # iter : UCharIterator* in/out
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn uiter_next32(
        iter: *mut UCharIterator  // UCharIterator* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int uiter_next32(IntPtr iter);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_uiter_next32' -Namespace Win32 -PassThru
# $api::uiter_next32(iter)

#uselib "icuuc.dll"
#func global uiter_next32 "uiter_next32" sptr
; uiter_next32 varptr(iter)   ; 戻り値は stat
; iter : UCharIterator* 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")
	procuiter_next32 = icuuc.NewProc("uiter_next32")
)

// iter (UCharIterator* in/out)
r1, _, err := procuiter_next32.Call(
	uintptr(iter),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function uiter_next32(
  iter: Pointer   // UCharIterator* in/out
): Integer; cdecl;
  external 'icuuc.dll' name 'uiter_next32';

result := DllCall("icuuc\uiter_next32"
    , "Ptr", iter   ; UCharIterator* in/out
    , "Cdecl Int")   ; return: INT

●uiter_next32(iter) = DLL("icuuc.dll", "int uiter_next32(void*)")
# 呼び出し: uiter_next32(iter)
# iter : UCharIterator* 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 uiter_next32(
    iter: [*c]UCharIterator // UCharIterator* in/out
) callconv(.c) i32;

proc uiter_next32(
    iter: ptr UCharIterator  # UCharIterator* in/out
): int32 {.importc: "uiter_next32", cdecl, dynlib: "icuuc.dll".}

pragma(lib, "icuuc");
extern(C)
int uiter_next32(
    UCharIterator* iter   // UCharIterator* in/out
);

ccall((:uiter_next32, "icuuc.dll"), Int32,
      (Ptr{UCharIterator},),
      iter)
# iter : UCharIterator* in/out -> Ptr{UCharIterator}

local ffi = require("ffi")
ffi.cdef[[
int32_t uiter_next32(
    void* iter);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.uiter_next32(iter)
-- iter : UCharIterator* 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 uiter_next32 = lib.func('__cdecl', 'uiter_next32', 'int32_t', ['void *']);
// uiter_next32(iter)
// iter : UCharIterator* in/out -> 'void *'
// 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", {
  uiter_next32: { parameters: ["pointer"], result: "i32" },
});
// lib.symbols.uiter_next32(iter)
// iter : UCharIterator* 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 uiter_next32(
    void* iter);
C, "icuuc.dll");
// $ffi->uiter_next32(iter);
// iter : UCharIterator* 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 uiter_next32(
        Pointer iter   // UCharIterator* in/out
    );
}

@[Link("icuuc")]
lib Libicuuc
  fun uiter_next32 = uiter_next32(
    iter : UCharIterator*   # UCharIterator* 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 uiter_next32Native = Int32 Function(Pointer<Void>);
typedef uiter_next32Dart = int Function(Pointer<Void>);
final uiter_next32 = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<uiter_next32Native, uiter_next32Dart>('uiter_next32');
// iter : UCharIterator* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function uiter_next32(
  iter: Pointer   // UCharIterator* in/out
): Integer; cdecl;
  external 'icuuc.dll' name 'uiter_next32';

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

foreign import ccall safe "uiter_next32"
  c_uiter_next32 :: Ptr () -> IO Int32
-- iter : UCharIterator* in/out -> Ptr ()
-- 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 uiter_next32 =
  foreign "uiter_next32"
    ((ptr void) @-> returning int32_t)
(* iter : UCharIterator* in/out -> (ptr void) *)
(* 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 ("uiter_next32" uiter-next32 :convention :cdecl) :int32
  (iter :pointer))   ; UCharIterator* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $uiter_next32 = Win32::API::More->new('icuuc',
    'int uiter_next32(LPVOID iter)');
# my $ret = $uiter_next32->Call($iter);
# iter : UCharIterator* 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。