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- /* Copyright (C) 2012-2022 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 */
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