t_stopc
# define termStopChar ntc.t_stopc
# define termStopCharp (cc_t *)&ntc.t_stopc
tc.t_stopc = _POSIX_VDISABLE;
*valp = termbuf.tc.t_stopc;
*valpp = (cc_t *)&termbuf.tc.t_stopc;
return(((termbuf.tc.t_startc) > 0 && (termbuf.tc.t_stopc) > 0) ? 1 : 0);