unistd.h

一个微型操作系统源码

/*
 * OSV
 * Copyright (C) 2002 Ciprian DOSOFTEI <[e-mail]>
 * All rights reserved.
 * 
 * http://backster.free.fr/osv
 *
 * This file is part of the OSV project. OSV is free software, also known as
 * "open source"; you can redistribute it and/or modify it under the terms 
 * of the GNU General Public License (GPL), version 2, as published by the Free
 * Software Foundation (FSF). To explore alternate licensing terms, contact 
 * the author at [e-mail] or [phone].
 * 
 * OSV is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GPL for more details.  You should have
 * received a copy of the GPL along with OSV; see the file COPYING.  If
 * not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
 */

#ifndef INCUNISTD
#define INCUNISTD

#ifdef __cplusplus
extern "C" {
#endif

#include <types.h>

#define SEEK_SET	0
#define SEEK_CUR	1
#define SEEK_END	2

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

int	access(const char* path, int amode);
int	chdir(const char* path);
int	close(int h);
int	dup(int h);
int	dup2(int h, int h2);
char*	getcwd(char* buf, size_t size);
int     seek(int h, uint pos);
off_t	lseek(int h, off_t offset, int whence);
int	read(int h, void* buf, size_t cb);
int	rmdir(const char *_path);
uint	sleep(uint seconds);
int	unlink(const char* path);
int	write(int h, const void* buf, size_t cb);

#ifdef __cplusplus
}
#endif

#endif