#define ENOMEM 1
#define EEMPTY 2
#define EBADARG 3
#define ENOCREAT 4
#define ENOTOPEN 5
#define EBADREAD 6
#define EBADWRITE 7
#define EFLUSHERR 8
#define ENOTOPENI 9
#define EBADREADI 10
#define EWINDEX 11
#define EOUTBOUND 12
#define EINCONST 13
#define EINTVEC 14