First commit XiUOS

lib/newlib/include/libc.h

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+/*
+* Copyright (c) 2020 AIIT XUOS Lab
+* XiUOS is licensed under Mulan PSL v2.
+* You can use this software according to the terms and conditions of the Mulan PSL v2.
+* You may obtain a copy of Mulan PSL v2 at:
+*        http://license.coscl.org.cn/MulanPSL2
+* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+* See the Mulan PSL v2 for more details.
+*/
+
+/**
+* @file libc.h
+* @brief using newlib need include
+* @version 1.0 
+* @author AIIT XUOS Lab
+* @date 2020-09-23
+*/
+
+#ifndef _LIBC_H__
+#define _LIBC_H__
+
+#include <errno.h>
+#include <stdarg.h>
+#include <fcntl.h>
+
+#endif
+