libc/include/unistd.h

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2007  Tomas 'ZeXx86' Jedrzejek (zexx86@gmail.com)
   4  *  Copyright (C) 2009  Tomas 'ZeXx86' Jedrzejek (zexx86@gmail.com)
   5  *  Copyright (C) 2009  Martin 'povik' Poviser (martin.povik@gmail.com)
   6  *
   7  *  This program is free software: you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation, either version 3 of the License, or
  10  *  (at your option) any later version.
  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, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21
  22 #ifndef _UNISTD_H
  23 #define _UNISTD_H
  24
  25 #include <sys/types.h>
  26
  27 #define F_DUPFD         0x0     /* dup */
  28 #define F_GETFD         0x1     /* get close_on_exec */
  29 #define F_GETFL         0x3
  30 #define F_SETFL         0x4
  31
  32 /* access */
  33 #define F_OK            0x0
  34 #define X_OK            0x1
  35 #define W_OK            0x2
  36 #define R_OK            0x4
  37
  38 /* lseek */
  39 #define SEEK_SET        0x0
  40 #define SEEK_CUR        0x1
  41 #define SEEK_END        0x2
  42
  43 #define STDIN_FILENO    0x0
  44 #define STDOUT_FILENO   0x1
  45 #define STDERR_FILENO   0x2
  46
  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 int pipe (int fds[2]);
  56
  57 #endif