/usr/include/publib/queue.h is in publib-dev 0.40-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | /* Part of publib.
Copyright (c) 1994-2006 Lars Wirzenius. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided
with the distribution.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* File: queue.h
* Purpose: Declarations for Publib's queue abstract data type.
* Description: A queue is a list-like data structure where all additions
* are done at one end (the behind of the queue) all deletions at
* the other end (the front of the queue). It is very similar
* to a queue in a large food store, except that no-one tries
* to get in the queue anywhere except at the behind.
* Note: This Publib module reserves all names beginning with
* ``queue'' or ``Queue''.
* Author: Lars Wirzenius
* Version: "@(#)publib:$Id: queue.h,v 1.1.1.1 1996/01/18 15:44:03 liw Exp $"
*/
#ifndef __publib_queue_h_included
#define __publib_queue_h_included
#include <stddef.h>
typedef struct queue Queue;
Queue *queue_create(void);
void queue_destroy(Queue *);
void *queue_front(Queue *);
void *queue_remove(Queue *);
int queue_is_empty(Queue *);
int queue_add(Queue *, const void *, size_t);
#ifdef __publib__
struct queue_node {
void *queue_data;
struct queue_node *queue_previous;
};
struct queue {
struct queue_node *queue_front, *queue_behind;
};
#endif
#endif
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