libc/include/unistd.h

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2007  Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
   4  *  Copyright (C) 2009  Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
   5  *  Copyright (C) 2009  Martin 'povik' Poviser (martin.povik@gmail.com)
   6  *  Copyright (C) 2010  Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
   7  *
   8  *  This program is free software: you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation, either version 3 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22
  23 #ifndef _UNISTD_H
  24 #define _UNISTD_H
  25
  26 #include <sys/types.h>
  27
  28 #define F_DUPFD         0x0     /* dup */
  29 #define F_GETFD         0x1     /* get close_on_exec */
  30 #define F_GETFL         0x3
  31 #define F_SETFL         0x4
  32
  33 /* access */
  34 #define F_OK            0x0
  35 #define X_OK            0x1
  36 #define W_OK            0x2
  37 #define R_OK            0x4
  38
  39 /* lseek */
  40 #define SEEK_SET        0x0
  41 #define SEEK_CUR        0x1
  42 #define SEEK_END        0x2
  43
  44 #define STDIN_FILENO    0x0
  45 #define STDOUT_FILENO   0x1
  46 #define STDERR_FILENO   0x2
  47
  48 extern unsigned int sleep (unsigned int s);
  49 extern unsigned int usleep (unsigned int s);
  50 extern int dup (int fildes);
  51 extern int dup2 (int fildes, int fildes2);
  52 extern off_t lseek (int fd, off_t offset, int whence);
  53 extern int unlink (const char *pathname);
  54 extern pid_t getpid ();
  55 extern int pipe (int fds[2]);
  56 extern int chdir (const char *path);
  57 extern char *getcwd (char *buf, size_t size);
  58 extern int access (const char *pathname, int mode);
  59
  60 #endif