VFCHG
vscreen[i]->v_flag |= (VFCHG | VFHBAD);
vscreen[i]->v_flag |= (VFCHG | VFHBAD);
vscreen[currow]->v_flag |= VFEXT | VFCHG;
vscreen[i]->v_flag |= VFCHG;
vscreen[i]->v_flag |= VFCHG;
if ((vp1->v_flag & VFCHG) != 0) {
vvp->v_flag &= ~VFCHG; /* Changes done. */
vscreen[n]->v_flag |= (VFCHG | VFHBAD); /* Recompute, display. */