vs_sm_fill
int vs_sm_fill(SCR *, recno_t, pos_t);
if (vs_sm_fill(sp, lno, P_BOTTOM))
if (vs_sm_fill(sp, vp->m_final.lno, P_BOTTOM))
if (vs_sm_fill(sp, lno, P_TOP))
if (vs_sm_fill(sp, lno, P_BOTTOM))
if (vs_sm_fill(sp, lno, P_MIDDLE))
if (vs_sm_fill(sp, lno, P_TOP))
if (vs_sm_fill(sp, LNO, P_TOP))
if (vs_sm_fill(sp, LNO, P_MIDDLE))
if (vs_sm_fill(sp, OOBLNO, P_TOP))
if (vs_sm_fill(sp, LNO, P_FILL))
if (vs_sm_fill(sp, lastline, P_BOTTOM))
if (vs_sm_fill(sp, 1, P_TOP))
middle: if (vs_sm_fill(sp, LNO, P_MIDDLE))
top: if (vs_sm_fill(sp, LNO, P_TOP))
vs_sm_fill(sp, OOBLNO, P_TOP);
vs_sm_fill(sp, OOBLNO, P_BOTTOM);
if (vs_sm_fill(sp, OOBLNO, P_BOTTOM))
if (vs_sm_fill(sp, OOBLNO, P_TOP))
vs_sm_fill(sp, OOBLNO, P_TOP);
vs_sm_fill(sp, OOBLNO, P_BOTTOM);
if (vs_sm_fill(nsp, nsp->lno, P_FILL))