__MAIN_H macro

@file LwIP/LwIP_IAP/Inc/main.h @author MCD Application Team This file contains all the functions prototypes for the main.c file. @attention Copyright (c) 2017 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.