1 /*
2  * Copyright (c) 2006-2023, RT-Thread Development Team
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  *
6  * Change Logs:
7  * Date           Author       Notes
8  * 2023/06/08     Bernard      Add macro definition for `#pragma once`
9  */
10 
11 #ifndef UNISTD_H__
12 #define UNISTD_H__
13 
14 #include "sys/unistd.h"
15 
16 #ifndef F_OK
17 #define	F_OK	0
18 #endif
19 
20 #ifndef R_OK
21 #define	R_OK	4
22 #endif
23 
24 #ifndef W_OK
25 #define	W_OK	2
26 #endif
27 
28 #ifndef X_OK
29 #define	X_OK	1
30 #endif
31 
32 #endif /* UNISTD_H__ */
33