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#ifndef _getaddrinfo_h
#define _getaddrinfo_h
/*
* This file is part of libESMTP, a library for submission of RFC 2822
* formatted electronic mail messages using the SMTP protocol described
* in RFC 2821.
*
* Copyright (C) 2001,2002 Brian Stafford <brian@stafford.uklinux.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* Structure and prototypes aken from RFC 2553 */
struct addrinfo
{
int ai_flags; /* AI_PASSIVE, AI_CANONNAME, AI_NUMERICHOST */
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 nodename */
struct sockaddr *ai_addr; /* binary address */
struct addrinfo *ai_next; /* next structure in linked list */
};
/* Supposed to be defined in <netdb.h> */
#define AI_PASSIVE 1 /* Socket address is intended for `bind'. */
#define AI_CANONNAME 2 /* Request for canonical name. */
#define AI_NUMERICHOST 4 /* Don't use name resolution. */
/* Supposed to be defined in <netdb.h> */
#define EAI_ADDRFAMILY 1 /* address family for nodename not supported */
#define EAI_AGAIN 2 /* temporary failure in name resolution */
#define EAI_BADFLAGS 3 /* invalid value for ai_flags */
#define EAI_FAIL 4 /* non-recoverable failure in name resolution */
#define EAI_FAMILY 5 /* ai_family not supported */
#define EAI_MEMORY 6 /* memory allocation failure */
#define EAI_NODATA 7 /* no address associated with nodename */
#define EAI_NONAME 8 /* nodename nor servname provided, or not known */
#define EAI_SERVICE 9 /* servname not supported for ai_socktype */
#define EAI_SOCKTYPE 10 /* ai_socktype not supported */
#define EAI_SYSTEM 11 /* system error returned in errno */
/* RFC 2553 / Posix resolver */
int getaddrinfo (const char *nodename, const char *servname,
const struct addrinfo *hints, struct addrinfo **res);
/* Free addrinfo structure and associated storage */
void freeaddrinfo (struct addrinfo *ai);
/* Convert error return from getaddrinfo() to string */
const char *gai_strerror (int code);
#endif
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