1 /* 2 * <unistd.h> 3 * 4 * Open Hack'Ware BIOS: subset of POSIX unistd definitions 5 * 6 * Copyright (c) 2004-2005 Jocelyn Mayer 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License V2 10 * as published by the Free Software Foundation 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21 22 #if !defined (__OHW_UNISTD_H__) 23 #define __OHW_UNISTD_H__ 24 25 /* size_t is defined here */ 26 /* mode_t is defined here (SHOULD NOT !) */ 27 /* off_t is defined here */ 28 #include <stddef.h> 29 30 int open (const char *pathname, int flags, mode_t mode); 31 int close (int fd); 32 ssize_t read (int fd, void *buf, size_t count); 33 ssize_t write (int fd, const void *buf, size_t count); 34 enum { 35 SEEK_SET = 0x01, 36 SEEK_CUR = 0x02, 37 SEEK_END = 0x03, 38 }; 39 off_t lseek (int fd, off_t offset, int whence); 40 int truncate (const char *path, off_t length); 41 int ftruncate (int fd, off_t length); 42 43 #endif /* !defined (__OHW_UNISTD_H__) */ 44