fcntl.h File Reference

Headers of functions fcntl() and open(). More...

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Macros
#define	O_ACCMODE   0003
	Bits defining the open mode.
#define	O_RDONLY   00000000U
	Open for reading only.
#define	O_WRONLY   00000001U
	Open for writing only.
#define	O_RDWR   00000002U
	Open for reading and writing.
#define	O_CREAT   00000100U
	Create if nonexistant.
#define	O_EXCL   00000200U
	Error if already exists.
#define	O_TRUNC   00001000U
	Truncate to zero length.
#define	O_APPEND   00002000U
	Set append mode.
#define	O_NONBLOCK   00004000U
	No delay.
#define	O_DIRECTORY   00200000U
	If file exists has no effect. Otherwise, the file is created.

Detailed Description

Headers of functions fcntl() and open().

Copyright

(c) 2014-2024 This file is distributed under the MIT License. See LICENSE.md for details.