O_TBDELAY
sb.sg_flags &= ~(O_CBREAK|O_RAW|O_TBDELAY);
if ((sb.sg_flags & O_TBDELAY) == O_XTABS)
sb.sg_flags &= ~O_TBDELAY;
tabflag = defflags & O_TBDELAY;
#define TBDELAY O_TBDELAY
switch (csp->t_flags & O_TBDELAY) {
#define TBDELAY O_TBDELAY
(O_NLDELAY|O_TBDELAY|O_CRDELAY|O_VTDELAY|O_BSDELAY)