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/**
* @file pqueue.h
* @brief Implements a priority queue.
* @note Copyright (c) 2015 Richard Cochran <richardcochran@gmail.com>
*
* 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 02110-1335 USA.
*/
#ifndef HAVE_PQUEUE_H
#define HAVE_PQUEUE_H
struct pqueue;
struct pqueue *pqueue_create(int max_length,
int (*compare)(void *a, void *b));
void pqueue_destroy(struct pqueue *q);
void *pqueue_extract(struct pqueue *q);
int pqueue_insert(struct pqueue *q, void *d);
int pqueue_length(struct pqueue *q);
void *pqueue_peek(struct pqueue *q);
#endif
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