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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2011 Free Software Foundation, Inc.
*
* GRUB 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.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_PRIORITY_QUEUE_HEADER
#define GRUB_PRIORITY_QUEUE_HEADER 1
#include <grub/misc.h>
#include <grub/err.h>
#ifdef __cplusplus
extern "C" {
#endif
struct grub_priority_queue;
typedef struct grub_priority_queue *grub_priority_queue_t;
typedef int (*grub_comparator_t) (const void *a, const void *b);
grub_priority_queue_t grub_priority_queue_new (grub_size_t elsize,
grub_comparator_t cmp);
void grub_priority_queue_destroy (grub_priority_queue_t pq);
void *grub_priority_queue_top (grub_priority_queue_t pq);
void grub_priority_queue_pop (grub_priority_queue_t pq);
grub_err_t grub_priority_queue_push (grub_priority_queue_t pq, const void *el);
#ifdef __cplusplus
}
#endif
#endif
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