/* crypto/pqueue/pqueue.h */

 /* 

  * DTLS implementation written by Nagendra Modadugu

  * (nagendra@cs.stanford.edu) for the OpenSSL project 2005.  

  */

 /* ====================================================================

  * Copyright (c) 1999-2005 The OpenSSL Project.  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.

  *

  * 3. All advertising materials mentioning features or use of this

  *    software must display the following acknowledgment:

  *    "This product includes software developed by the OpenSSL Project

  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"

  *

  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to

  *    endorse or promote products derived from this software without

  *    prior written permission. For written permission, please contact

  *    openssl-core@OpenSSL.org.

  *

  * 5. Products derived from this software may not be called "OpenSSL"

  *    nor may "OpenSSL" appear in their names without prior written

  *    permission of the OpenSSL Project.

  *

  * 6. Redistributions of any form whatsoever must retain the following

  *    acknowledgment:

  *    "This product includes software developed by the OpenSSL Project

  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"

  *

  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY

  * EXPRESSED 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 OpenSSL PROJECT OR

  * ITS CONTRIBUTORS 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.

  * ====================================================================

  *

  * This product includes cryptographic software written by Eric Young

  * (eay@cryptsoft.com).  This product includes software written by Tim

  * Hudson (tjh@cryptsoft.com).

  *

  */

 /*

  © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.

  */

 #ifndef HEADER_PQUEUE_H

 #define HEADER_PQUEUE_H

 #if (defined(__SYMBIAN32__) && !defined(SYMBIAN))

 #define SYMBIAN

 #endif

 #ifdef SYMBIAN

 #include <e32def.h>

 #endif

 #include <stdio.h>

 #include <stdlib.h>

 #include <string.h>

 #include <openssl/pq_compat.h>

 #ifdef  __cplusplus

 extern "C" {

 #endif

 typedef struct _pqueue *pqueue;

 typedef struct _pitem

 	{

 	PQ_64BIT priority;

 	void *data;

 	struct _pitem *next;

 	} pitem;

 typedef struct _pitem *piterator;

 IMPORT_C pitem *pitem_new(PQ_64BIT priority, void *data);

 IMPORT_C void   pitem_free(pitem *item);

 IMPORT_C pqueue pqueue_new(void);

 IMPORT_C void   pqueue_free(pqueue pq);

 IMPORT_C pitem *pqueue_insert(pqueue pq, pitem *item);

 IMPORT_C pitem *pqueue_peek(pqueue pq);

 IMPORT_C pitem *pqueue_pop(pqueue pq);

 IMPORT_C pitem *pqueue_find(pqueue pq, PQ_64BIT priority);

 IMPORT_C pitem *pqueue_iterator(pqueue pq);

 IMPORT_C pitem *pqueue_next(piterator *iter);

 IMPORT_C void   pqueue_print(pqueue pq);

 #ifdef  __cplusplus

 }

 #endif

 #endif /* ! HEADER_PQUEUE_H */