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/* Function prototypes.
 * Copyright (C) 2000, 2001, 2002, 2003 Shawn Betts
 *
 * This file is part of ratpoison.
 *
 * ratpoison 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 2, or (at your option)
 * any later version.
 * 
 * ratpoison 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 software; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307 USA
 */

#ifndef _RATPOISON_NUMBER_H
#define _RATPOISON_NUMBER_H 1

/* Keep track of a set of numbers. For frames and windows. */
struct numset
{
  /* A list of the numbers taken. */
  int *numbers_taken;

/* the number of numbers currently stored in the numbers_taken
   array. */
  int num_taken;

/* the size of the numbers_taken array. */
  int max_taken;
};

struct numset *numset_new ();
void numset_free (struct numset *ns);
void numset_release (struct numset *ns, int n);
int numset_request (struct numset *ns);
int numset_add_num (struct numset *ns, int n);
void numset_clear (struct numset *ns);

#endif /* ! _RATPOISON_NUMBER_H */