contrib/ncurses-5.4/panel/p_below.c

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   2  * Copyright (c) 1998,2000 Free Software Foundation, Inc.                   *
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  28
  29 /****************************************************************************
  30  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1995                    *
  31  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
  32  ****************************************************************************/
  33
  34 /* p_below.c
  35  */
  36 #include "panel.priv.h"
  37
  38 MODULE_ID("$Id: p_below.c,v 1.4 2000/12/10 02:20:44 tom Exp $")
  39
  40 NCURSES_EXPORT(PANEL*)
  41 panel_below (const PANEL *pan)
  42 {
  43   if(!pan)
  44     {
  45       /* if top and bottom are equal, we have no or only the pseudo panel */
  46       return(EMPTY_STACK() ? (PANEL*)0 : _nc_top_panel);
  47     }
  48   else
  49     {
  50       /* we must not return the pseudo panel */
  51       return(Is_Pseudo(pan->below) ? (PANEL*) 0 : pan->below);
  52     }
  53 }