/* Copyright (C) 2012-2025 Free Software Foundation, Inc.

  This file is part of GNU Binutils.

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 3 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  MA 02110-1301, USA.  */

#ifndef cg_dfn_h
#define cg_dfn_h

/*
* Flags which mark a symbol as topologically ``busy'' or as
* topologically ``not_numbered'':
*/
#define DFN_BUSY        -1
#define DFN_NAN         0

/*
* Depth-first numbering of a call-graph.
*/

extern void cg_dfn (Sym * root);

#endif /* cg_dfn_h */