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/* 
 * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu> 
 * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson 
 * 
 * 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. The name of the author may not be used to endorse or promote products 
 *    derived from this software without specific prior written permission. 
 * 
 * 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. 
 */ 
#ifndef EVENT2_KEYVALQ_STRUCT_H_INCLUDED_
#define EVENT2_KEYVALQ_STRUCT_H_INCLUDED_
 
#ifdef __cplusplus 
extern "C" { 
#endif 
 
/* Fix so that people don't have to run with <sys/queue.h> */ 
/* XXXX This code is duplicated with event_struct.h */ 
#ifndef TAILQ_ENTRY 
#define EVENT_DEFINED_TQENTRY_
#define TAILQ_ENTRY(type)						\ 
struct {								\ 
	struct type *tqe_next;	/* next element */			\ 
	struct type **tqe_prev;	/* address of previous next element */	\ 
} 
#endif /* !TAILQ_ENTRY */ 
 
#ifndef TAILQ_HEAD 
#define EVENT_DEFINED_TQHEAD_
#define TAILQ_HEAD(name, type)			\ 
struct name {					\ 
	struct type *tqh_first;			\ 
	struct type **tqh_last;			\ 
} 
#endif 
 
/* 
 * Key-Value pairs.  Can be used for HTTP headers but also for 
 * query argument parsing. 
 */ 
struct evkeyval { 
	TAILQ_ENTRY(evkeyval) next; 
 
	char *key; 
	char *value; 
}; 
 
TAILQ_HEAD (evkeyvalq, evkeyval); 
 
/* XXXX This code is duplicated with event_struct.h */ 
#ifdef EVENT_DEFINED_TQENTRY_
#undef TAILQ_ENTRY 
#endif 
 
#ifdef EVENT_DEFINED_TQHEAD_
#undef TAILQ_HEAD 
#endif 
 
#ifdef __cplusplus 
} 
#endif 
 
#endif