esp-idf/components/newlib/platform_include/sys/reent.h

// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

#include_next<sys/reent.h>

/* This function is not part of the newlib API, it is defined in libc/stdio/local.h
 * There is no nice way to get __cleanup member populated while avoiding __sinit,
 * so extern declaration is used here.
 */
extern void _cleanup_r(struct _reent* r);