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/*  bag.h -- ARMulator support code:  ARM6 Instruction Emulator.

    Copyright (C) 1994 Advanced RISC Machines Ltd.

    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 2 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. */

/********************************************************************/

/* bag.h:                                                           */

/* Header file for bag.c                                            */

/* Offers a data structure for storing and getting pairs of number. */

/* The numbers are stored together, put one can be looked up by     */

/* quoting the other.  If a new pair is entered and one of the      */

/* numbers is a repeat of a previous pair, then the previos pair    */

/* is deleted.                                                      */

/********************************************************************/

typedef enum

{

  NO_ERROR,

  DELETED_OLD_PAIR,

  NO_SUCH_PAIR,

}

Bag_error;

void BAG_putpair (long first, long second);

void BAG_newbag (void);

Bag_error BAG_killpair_byfirst (long first);

Bag_error BAG_killpair_bysecond (long second);

Bag_error BAG_getfirst (long *first, long second);

Bag_error BAG_getsecond (long first, long *second);