2 tcflag_t c_iflag; /* input flags */
3 tcflag_t c_oflag; /* output flags */
4 tcflag_t c_cflag; /* control flags */
5 tcflag_t c_lflag; /* local flags */
6 cc_t c_cc[NCCS]; /* control chars */
7 int c_ispeed; /* input speed */
8 int c_ospeed; /* output speed */