/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup libc
* @{
*/
/** @file
*/
#ifndef LIBC_UNISTD_H_
#define LIBC_UNISTD_H_
#include <sys/types.h>
#include <libarch/config.h>
#ifndef NULL
#define NULL 0
#endif
#define getpagesize() (PAGE_SIZE)
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
extern ssize_t write(int, const void *, size_t);
extern ssize_t read(int, void *, size_t);
extern off_t lseek(int, off_t, int);
extern int ftruncate(int, off_t);
extern int close(int);
extern int unlink(const char *);
extern int rmdir(const char *);
extern int chdir(const char *);
extern char *getcwd(char *buf, size_t);
extern void _exit(int status);
extern void *sbrk(ssize_t incr);
extern int usleep(unsigned long usec);
extern unsigned int sleep(unsigned int seconds);
#endif
/** @}
*/