u_strtok_r

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

WORD* u_strtok_r(
    WORD* src,
    const WORD* delim,
    WORD** saveState
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function u_strtok_r(
    ByRef src As UShort,   ' WORD* in/out
    ByRef delim As UShort,   ' WORD*
    saveState As IntPtr   ' WORD** in/out
) As IntPtr
End Function

' src : WORD* in/out
' delim : WORD*
' saveState : WORD** in/out
Declare PtrSafe Function u_strtok_r Lib "icuuc" ( _
    ByRef src As Integer, _
    ByRef delim As Integer, _
    ByVal saveState As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

u_strtok_r = ctypes.cdll.icuuc.u_strtok_r
u_strtok_r.restype = ctypes.c_void_p
u_strtok_r.argtypes = [
    ctypes.POINTER(ctypes.c_ushort),  # src : WORD* in/out
    ctypes.POINTER(ctypes.c_ushort),  # delim : WORD*
    ctypes.c_void_p,  # saveState : WORD** in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
u_strtok_r = Fiddle::Function.new(
  lib['u_strtok_r'],
  [
    Fiddle::TYPE_VOIDP,  # src : WORD* in/out
    Fiddle::TYPE_VOIDP,  # delim : WORD*
    Fiddle::TYPE_VOIDP,  # saveState : WORD** in/out
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn u_strtok_r(
        src: *mut u16,  // WORD* in/out
        delim: *const u16,  // WORD*
        saveState: *mut *mut u16  // WORD** in/out
    ) -> *mut u16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr u_strtok_r(ref ushort src, ref ushort delim, IntPtr saveState);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_u_strtok_r' -Namespace Win32 -PassThru
# $api::u_strtok_r(src, delim, saveState)

#uselib "icuuc.dll"
#func global u_strtok_r "u_strtok_r" sptr, sptr, sptr
; u_strtok_r varptr(src), varptr(delim), varptr(saveState)   ; 戻り値は stat
; src : WORD* in/out -> "sptr"
; delim : WORD* -> "sptr"
; saveState : WORD** 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")
	procu_strtok_r = icuuc.NewProc("u_strtok_r")
)

// src (WORD* in/out), delim (WORD*), saveState (WORD** in/out)
r1, _, err := procu_strtok_r.Call(
	uintptr(src),
	uintptr(delim),
	uintptr(saveState),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WORD*

function u_strtok_r(
  src: Pointer;   // WORD* in/out
  delim: Pointer;   // WORD*
  saveState: Pointer   // WORD** in/out
): Pointer; cdecl;
  external 'icuuc.dll' name 'u_strtok_r';

result := DllCall("icuuc\u_strtok_r"
    , "Ptr", src   ; WORD* in/out
    , "Ptr", delim   ; WORD*
    , "Ptr", saveState   ; WORD** in/out
    , "Cdecl Ptr")   ; return: WORD*

●u_strtok_r(src, delim, saveState) = DLL("icuuc.dll", "void* u_strtok_r(void*, void*, void*)")
# 呼び出し: u_strtok_r(src, delim, saveState)
# src : WORD* in/out -> "void*"
# delim : WORD* -> "void*"
# saveState : WORD** 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 u_strtok_r(
    src: [*c]u16, // WORD* in/out
    delim: [*c]u16, // WORD*
    saveState: [*c][*c]u16 // WORD** in/out
) callconv(.c) [*c]u16;

proc u_strtok_r(
    src: ptr uint16,  # WORD* in/out
    delim: ptr uint16,  # WORD*
    saveState: ptr uint16  # WORD** in/out
): ptr uint16 {.importc: "u_strtok_r", cdecl, dynlib: "icuuc.dll".}

pragma(lib, "icuuc");
extern(C)
ushort* u_strtok_r(
    ushort* src,   // WORD* in/out
    ushort* delim,   // WORD*
    ushort** saveState   // WORD** in/out
);

ccall((:u_strtok_r, "icuuc.dll"), Ptr{UInt16},
      (Ptr{UInt16}, Ptr{UInt16}, Ptr{UInt16}),
      src, delim, saveState)
# src : WORD* in/out -> Ptr{UInt16}
# delim : WORD* -> Ptr{UInt16}
# saveState : WORD** in/out -> Ptr{UInt16}

local ffi = require("ffi")
ffi.cdef[[
uint16_t* u_strtok_r(
    uint16_t* src,
    uint16_t* delim,
    uint16_t** saveState);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.u_strtok_r(src, delim, saveState)
-- src : WORD* in/out
-- delim : WORD*
-- saveState : WORD** 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 u_strtok_r = lib.func('__cdecl', 'u_strtok_r', 'uint16_t *', ['uint16_t *', 'uint16_t *', 'uint16_t *']);
// u_strtok_r(src, delim, saveState)
// src : WORD* in/out -> 'uint16_t *'
// delim : WORD* -> 'uint16_t *'
// saveState : WORD** in/out -> 'uint16_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", {
  u_strtok_r: { parameters: ["pointer", "pointer", "pointer"], result: "pointer" },
});
// lib.symbols.u_strtok_r(src, delim, saveState)
// src : WORD* in/out -> "pointer"
// delim : WORD* -> "pointer"
// saveState : WORD** 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* u_strtok_r(
    uint16_t* src,
    uint16_t* delim,
    uint16_t** saveState);
C, "icuuc.dll");
// $ffi->u_strtok_r(src, delim, saveState);
// src : WORD* in/out
// delim : WORD*
// saveState : WORD** 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);
    Pointer u_strtok_r(
        ShortByReference src,   // WORD* in/out
        ShortByReference delim,   // WORD*
        Pointer saveState   // WORD** in/out
    );
}

@[Link("icuuc")]
lib Libicuuc
  fun u_strtok_r = u_strtok_r(
    src : UInt16*,   # WORD* in/out
    delim : UInt16*,   # WORD*
    saveState : UInt16**   # WORD** 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 u_strtok_rNative = Pointer<Uint16> Function(Pointer<Uint16>, Pointer<Uint16>, Pointer<Uint16>);
typedef u_strtok_rDart = Pointer<Uint16> Function(Pointer<Uint16>, Pointer<Uint16>, Pointer<Uint16>);
final u_strtok_r = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<u_strtok_rNative, u_strtok_rDart>('u_strtok_r');
// src : WORD* in/out -> Pointer<Uint16>
// delim : WORD* -> Pointer<Uint16>
// saveState : WORD** in/out -> Pointer<Uint16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function u_strtok_r(
  src: Pointer;   // WORD* in/out
  delim: Pointer;   // WORD*
  saveState: Pointer   // WORD** in/out
): Pointer; cdecl;
  external 'icuuc.dll' name 'u_strtok_r';

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

foreign import ccall safe "u_strtok_r"
  c_u_strtok_r :: Ptr Word16 -> Ptr Word16 -> Ptr Word16 -> IO (Ptr Word16)
-- src : WORD* in/out -> Ptr Word16
-- delim : WORD* -> Ptr Word16
-- saveState : WORD** in/out -> Ptr Word16
-- 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 u_strtok_r =
  foreign "u_strtok_r"
    ((ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> returning (ptr uint16_t))
(* src : WORD* in/out -> (ptr uint16_t) *)
(* delim : WORD* -> (ptr uint16_t) *)
(* saveState : WORD** in/out -> (ptr uint16_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 ("u_strtok_r" u-strtok-r :convention :cdecl) :pointer
  (src :pointer)   ; WORD* in/out
  (delim :pointer)   ; WORD*
  (save-state :pointer))   ; WORD** in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $u_strtok_r = Win32::API::More->new('icuuc',
    'LPVOID u_strtok_r(LPVOID src, LPVOID delim, LPVOID saveState)');
# my $ret = $u_strtok_r->Call($src, $delim, $saveState);
# src : WORD* in/out -> LPVOID
# delim : WORD* -> LPVOID
# saveState : WORD** 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。