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[dfs] Add DFS v2.0 (#7606)

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This commit is contained in:
Bernard Xiong
2023-06-10 21:35:25 +08:00
committed by GitHub
parent c33a21509a
commit 99e80f8d33
68 changed files with 5563 additions and 11680 deletions
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24
components/libc/compilers/common/include/unistd.h
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@@ -1,10 +1,32 @@
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023/06/08 Bernard Add macro definition for `#pragma once`
*/
#ifndef UNISTD_H__
#define UNISTD_H__
#include "sys/unistd.h"
#ifndef F_OK
#define F_OK 0
#endif
#ifndef R_OK
#define R_OK 4
#endif
#ifndef W_OK
#define W_OK 2
#endif
#ifndef X_OK
#define X_OK 1
#endif
#endif /* UNISTD_H__ */