freebsd-dev/contrib/ncurses/panel/p_below.c

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/****************************************************************************
 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1995                    *
 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
 ****************************************************************************/

/* p_below.c
 */
#include "panel.priv.h"

MODULE_ID("$Id: p_below.c,v 1.4 2000/12/10 02:20:44 tom Exp $")

NCURSES_EXPORT(PANEL*)
panel_below (const PANEL *pan)
{
  if(!pan)
    {
      /* if top and bottom are equal, we have no or only the pseudo panel */
      return(EMPTY_STACK() ? (PANEL*)0 : _nc_top_panel);
    }
  else
    {
      /* we must not return the pseudo panel */
      return(Is_Pseudo(pan->below) ? (PANEL*) 0 : pan->below);
    }
}