3 tcflag_t c_iflag; /* input mode flags */
4 tcflag_t c_oflag; /* output mode flags */
5 tcflag_t c_cflag; /* control mode flags */
6 tcflag_t c_lflag; /* local mode flags */
7 cc_t c_line; /* line discipline */
8 cc_t c_cc[NCCS]; /* control characters */
9 speed_t c_ispeed; /* input speed */
10 speed_t c_ospeed; /* output speed */