# define EPERM 1
# define ENOENT 2
# define ESRCH 3
# define EINTR 4
# define EIO 5
# define ENXIO 6
# define E2BIG 7
# define ENOEXEC 8
# define EBADF 9
# define ECHILD 10
# define EAGAIN 11
# define ENOMEM 12
# define EACCES 13
# define ENOTBLK 15
# define EBUSY 16
# define EEXIST 17
# define EXDEV 18
# define ENODEV 19
# define ENOTDIR 20
# define EISDIR 21
# define EINVAL 22
# define ENFILE 23
# define EMFILE 24
# define ENOTTY 25
# define ETXTBSY 26
# define EFBIG 27
# define ENOSPC 28
# define ESPIPE 29
# define EROFS 30
