vs_sm_position
int vs_sm_position(SCR *, MARK *, u_long, pos_t);
if (vs_sm_position(sp, &vp->m_stop,
if (vs_sm_position(sp, &vp->m_stop, 0, P_MIDDLE))
if (vs_sm_position(sp, &vp->m_stop,
if (vs_sm_position(sp, &m, 0, P_TOP))
if (vs_sm_position(sp, &vp->m_final, 0, P_TOP))
if (vs_sm_position(sp, &vp->m_final, 0, P_TOP))
return (vs_sm_position(sp, rp, 0, P_TOP));
return (vs_sm_position(sp, rp, 0, P_BOTTOM));