#define TIOCFLUSH 0x01
#define RAW 0x02
#define CBREAK 0x04
#define XTABS 0x08
#define CRMOD 0x10
#define ECHO 0x20

struct sgttyb{
    int sg_ospeed;
    int sg_erase;
    int sg_kill;
    int sg_flags;

    // TODO: same struct should be used for /terminal/terminal.h ?
};