/*
 * Mar  8, 2000 by Hajimu UMEMOTO <ume@mahoroba.org>
 * $Id: gai.h,v 1.2 2003/02/13 19:56:13 rjs3 Exp $
 *
 * This module is besed on ssh-1.2.27-IPv6-1.5 written by
 * KIKUCHI Takahiro <kick@kyoto.wide.ad.jp>
 */
/* 
 * Copyright (c) 1998-2003 Carnegie Mellon University.  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. The name "Carnegie Mellon University" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For permission or any other legal
 *    details, please contact  
 *      Office of Technology Transfer
 *      Carnegie Mellon University
 *      5000 Forbes Avenue
 *      Pittsburgh, PA  15213-3890
 *      (412) 268-4387, fax: (412) 268-7395
 *      tech-transfer@andrew.cmu.edu
 *
 * 4. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by Computing Services
 *     at Carnegie Mellon University (http://www.cmu.edu/computing/)."
 *
 * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
 * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
/*
 * fake library for ssh
 *
 * This file is included in getaddrinfo.c and getnameinfo.c.
 * See getaddrinfo.c and getnameinfo.c.
 */

#ifndef _GAI_H_
#define _GAI_H_

#ifndef NI_MAXHOST
#define	NI_MAXHOST	1025
#endif
#ifndef NI_MAXSERV
#define	NI_MAXSERV	32
#endif

/* for old netdb.h */
#ifndef EAI_NODATA
#define EAI_NODATA	1
#define EAI_MEMORY	2
#define EAI_FAMILY	5	/* ai_family not supported */
#define EAI_SERVICE	9	/* servname not supported for ai_socktype */
#endif

/* dummy value for old netdb.h */
#ifndef AI_PASSIVE
#define AI_PASSIVE	1
#define AI_CANONNAME	2
#define	AI_NUMERICHOST	4
#define NI_NUMERICHOST	2
#define NI_NAMEREQD	4
#define NI_NUMERICSERV	8
struct addrinfo {
	int	ai_flags;	/* AI_PASSIVE, AI_CANONNAME */
	int	ai_family;	/* PF_xxx */
	int	ai_socktype;	/* SOCK_xxx */
	int	ai_protocol;	/* 0 or IPPROTO_xxx for IPv4 and IPv6 */
	size_t	ai_addrlen;	/* length of ai_addr */
	char	*ai_canonname;	/* canonical name for hostname */
	struct sockaddr *ai_addr;	/* binary address */
	struct addrinfo *ai_next;	/* next structure in linked list */
};
#endif

int	getaddrinfo(const char *, const char *,
		    const struct addrinfo *, struct addrinfo **);
int	getnameinfo(const struct sockaddr *, socklen_t, char *,
		    size_t, char *, size_t, int);
void	freeaddrinfo(struct addrinfo *);
char	*gai_strerror(int);

#endif
