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。

#uselib "icuuc.dll"
#cfunc global u_strtok_r "u_strtok_r" var, var, var
; res = u_strtok_r(src, delim, saveState)
; src : WORD* in/out -> "var"
; delim : WORD* -> "var"
; saveState : WORD** in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; WORD* u_strtok_r(WORD* src, WORD* delim, WORD** saveState)
#uselib "icuuc.dll"
#cfunc global u_strtok_r "u_strtok_r" var, var, var
; res = u_strtok_r(src, delim, saveState)
; src : WORD* in/out -> "var"
; delim : WORD* -> "var"
; saveState : WORD** in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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。