unistd.h File Reference

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Macros
#define	STDIN_FILENO   0
#define	STDOUT_FILENO   1
#define	STDERR_FILENO   2

Typedefs
typedef unsigned	size_t
typedef long int	off_t

Functions
int	write (int fd, const void *buf, unsigned count)
int	read (int fd, void *buf, unsigned count)
off_t	lseek (int fd, off_t offset, int whence)
int	syncfs (int fd)
int	isatty (int fd)
int	unlink (const char *name)
int	chdir (const char *name)
char *	getcwd (char *buf, size_t size)
int	mkdir (const char *name,...)
int	rmdir (const char *name)
unsigned	sleep (unsigned seconds)

Macro Definition Documentation

STDERR_FILENO

#define STDERR_FILENO   2

STDIN_FILENO

#define STDIN_FILENO   0

STDOUT_FILENO

#define STDOUT_FILENO   1

Typedef Documentation

off_t

typedef long int off_t

size_t

typedef unsigned size_t

Function Documentation

chdir()

int chdir

(

const char *

name

)

getcwd()

char* getcwd	(	char *	buf,
		size_t	size
	)

isatty()

int isatty

(

int

fd

)

lseek()

off_t lseek	(	int	fd,
		off_t	offset,
		int	whence
	)

mkdir()

int mkdir	(	const char *	name,
			...
	)

read()

int read	(	int	fd,
		void *	buf,
		unsigned	count
	)

rmdir()

int rmdir

(

const char *

name

)

sleep()

unsigned sleep

(

unsigned

seconds

)

syncfs()

int syncfs

(

int

fd

)

unlink()

int unlink

(

const char *

name

)

write()

int write	(	int	fd,
		const void *	buf,
		unsigned	count
	)