#ifndef IO_SYS_H
#define IO_SYS_H

#include "write.h"
#include "read.h"
#include "open.h"
#include "close.h"

#define STDIN_FD  0
#define STDOUT_FD 1
#define STDERR_FD 2

#define OPEN_READ_ONLY    0
#define OPEN_WRITE_ONLY   1
#define OPEN_READ_WRITE   2
#define OPEN_DIRECTORY    0200000
#define OPEN_CREATE       0100

#define MODE_OTHER_EXEC   01
#define MODE_OTHER_WRITE  02
#define MODE_OTHER_READ   04
#define MODE_GROUP_EXEC   010
#define MODE_GROUP_WRITE  020
#define MODE_GROUP_READ   040
#define MODE_USER_EXEC    0100
#define MODE_USER_WRITE   0200
#define MODE_USER_READ    0400

#define TYPE_UNKNOWN      0
#define TYPE_FIFO         1
#define TYPE_CHAR_DEVICE  2
#define TYPE_DIRECTORY    4
#define TYPE_BLOCK_DEVICE 6
#define TYPE_REGULAR_FILE 8
#define TYPE_SYM_LINK     10
#define TYPE_SOCKET       12

#endif