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