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minix/nbsd_include/netdb.h
Gianluca Guida b6cbf7203b Import unmodified NetBSD libc in trunk 
This patch imports the unmodified current version of NetBSD libc.
The NetBSD includes are in /nbsd_include, while the libc code itself is 
split between lib/nbsd_libc and common/lib/libc.
2011-02-14 19:36:03 +00:00

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/* $NetBSD: netdb.h,v 1.64 2010/05/05 17:12:29 christos Exp $ */
/*
* ++Copyright++ 1980, 1983, 1988, 1993
* -
* Copyright (c) 1980, 1983, 1988, 1993
* The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR 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.
* -
* Portions Copyright (c) 1993 by Digital Equipment Corporation.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies, and that
* the name of Digital Equipment Corporation not be used in advertising or
* publicity pertaining to distribution of the document or software without
* specific, written prior permission.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
* CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, 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.
* -
* Portions Copyright (C) 1995, 1996, 1997, and 1998 WIDE 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 acknowledgement:
* This product includes software developed by WIDE Project and
* its contributors.
* 4. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``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 PROJECT OR 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.
* -
* --Copyright--
*/
/*
* @(#)netdb.h 8.1 (Berkeley) 6/2/93
* Id: netdb.h,v 1.22 2008/02/28 05:34:17 marka Exp
*/
#ifndef _NETDB_H_
#define _NETDB_H_
#include <machine/ansi.h>
#include <machine/endian_machdep.h>
#include <sys/ansi.h>
#include <sys/cdefs.h>
#include <sys/featuretest.h>
#include <inttypes.h>
/*
* Data types
*/
#ifndef socklen_t
typedef __socklen_t socklen_t;
#define socklen_t __socklen_t
#endif
#ifdef _BSD_SIZE_T_
typedef _BSD_SIZE_T_ size_t;
#undef _BSD_SIZE_T_
#endif
#if defined(_NETBSD_SOURCE)
#ifndef _PATH_HEQUIV
#define _PATH_HEQUIV "/etc/hosts.equiv"
#endif
#ifndef _PATH_HOSTS
#define _PATH_HOSTS "/etc/hosts"
#endif
#ifndef _PATH_NETWORKS
#define _PATH_NETWORKS "/etc/networks"
#endif
#ifndef _PATH_PROTOCOLS
#define _PATH_PROTOCOLS "/etc/protocols"
#endif
#ifndef _PATH_SERVICES
#define _PATH_SERVICES "/etc/services"
#endif
#ifndef _PATH_SERVICES_CDB
#define _PATH_SERVICES_CDB "/var/db/services.cdb"
#endif
#ifndef _PATH_SERVICES_DB
#define _PATH_SERVICES_DB "/var/db/services.db"
#endif
#endif
__BEGIN_DECLS
extern int h_errno;
extern int * __h_errno(void);
#ifdef _REENTRANT
#define h_errno (*__h_errno())
#endif
__END_DECLS
/*%
* Structures returned by network data base library. All addresses are
* supplied in host order, and returned in network order (suitable for
* use in system calls).
*/
struct hostent {
char *h_name; /*%< official name of host */
char **h_aliases; /*%< alias list */
int h_addrtype; /*%< host address type */
int h_length; /*%< length of address */
char **h_addr_list; /*%< list of addresses from name server */
#define h_addr h_addr_list[0] /*%< address, for backward compatiblity */
};
/*%
* Assumption here is that a network number
* fits in an unsigned long -- probably a poor one.
*/
struct netent {
char *n_name; /*%< official name of net */
char **n_aliases; /*%< alias list */
int n_addrtype; /*%< net address type */
#if (defined(__sparc__) && defined(_LP64)) || \
(defined(__sh__) && defined(_LP64) && (_BYTE_ORDER == _BIG_ENDIAN))
int __n_pad0; /* ABI compatibility */
#endif
uint32_t n_net; /*%< network # */
#if defined(__alpha__) || (defined(__i386__) && defined(_LP64)) || \
(defined(__sh__) && defined(_LP64) && (_BYTE_ORDER == _LITTLE_ENDIAN))
int __n_pad0; /* ABI compatibility */
#endif
};
struct servent {
char *s_name; /*%< official service name */
char **s_aliases; /*%< alias list */
int s_port; /*%< port # */
char *s_proto; /*%< protocol to use */
};
struct protoent {
char *p_name; /*%< official protocol name */
char **p_aliases; /*%< alias list */
int p_proto; /*%< protocol # */
};
/*
* Note: ai_addrlen used to be a size_t, per RFC 2553.
* In XNS5.2, and subsequently in POSIX-2001 and
* draft-ietf-ipngwg-rfc2553bis-02.txt it was changed to a socklen_t.
* To accommodate for this while preserving binary compatibility with the
* old interface, we prepend or append 32 bits of padding, depending on
* the (LP64) architecture's endianness.
*
* This should be deleted the next time the libc major number is
* incremented.
*/
#if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 520 || \
defined(_NETBSD_SOURCE)
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 */
#if defined(__sparc__) && defined(_LP64)
int __ai_pad0; /* ABI compatibility */
#endif
socklen_t ai_addrlen; /*%< length of ai_addr */
#if defined(__alpha__) || (defined(__i386__) && defined(_LP64))
int __ai_pad0; /* ABI compatibility */
#endif
char *ai_canonname; /*%< canonical name for hostname */
struct sockaddr *ai_addr; /*%< binary address */
struct addrinfo *ai_next; /*%< next structure in linked list */
};
#endif
/*%
* Error return codes from gethostbyname() and gethostbyaddr()
* (left in extern int h_errno).
*/
#if defined(_NETBSD_SOURCE)
#define NETDB_INTERNAL -1 /*%< see errno */
#define NETDB_SUCCESS 0 /*%< no problem */
#endif
#define NO_ADDRESS NO_DATA /* no address, look for MX record */
#define HOST_NOT_FOUND 1 /*%< Authoritative Answer Host not found */
#define TRY_AGAIN 2 /*%< Non-Authoritive Host not found, or SERVERFAIL */
#define NO_RECOVERY 3 /*%< Non recoverable errors, FORMERR, REFUSED, NOTIMP */
#define NO_DATA 4 /*%< Valid name, no data record of requested type */
#if defined(_NETBSD_SOURCE)
#define NO_ADDRESS NO_DATA /*%< no address, look for MX record */
#endif
/*
* Error return codes from getaddrinfo()
*/
#if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 520 || \
defined(_NETBSD_SOURCE)
#define EAI_ADDRFAMILY 1 /*%< address family for hostname 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 hostname */
#define EAI_NONAME 8 /*%< hostname 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 */
#define EAI_BADHINTS 12 /* invalid value for hints */
#define EAI_PROTOCOL 13 /* resolved protocol is unknown */
#define EAI_OVERFLOW 14 /* argument buffer overflow */
#define EAI_MAX 15
#endif /* _POSIX_C_SOURCE >= 200112 || _XOPEN_SOURCE >= 520 || _NETBSD_SOURCE */
/*%
* Flag values for getaddrinfo()
*/
#if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 520 || \
defined(_NETBSD_SOURCE)
#define AI_PASSIVE 0x00000001 /* get address to use bind() */
#define AI_CANONNAME 0x00000002 /* fill ai_canonname */
#define AI_NUMERICHOST 0x00000004 /* prevent host name resolution */
#define AI_NUMERICSERV 0x00000008 /* prevent service name resolution */
/* valid flags for addrinfo (not a standard def, apps should not use it) */
#define AI_MASK \
(AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_NUMERICSERV)
#endif
#if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 520 || \
defined(_NETBSD_SOURCE)
/*%
* Constants for getnameinfo()
*/
#if defined(_NETBSD_SOURCE)
#define NI_MAXHOST 1025
#define NI_MAXSERV 32
#endif
/*%
* Flag values for getnameinfo()
*/
#define NI_NOFQDN 0x00000001
#define NI_NUMERICHOST 0x00000002
#define NI_NAMEREQD 0x00000004
#define NI_NUMERICSERV 0x00000008
#define NI_DGRAM 0x00000010
#define NI_WITHSCOPEID 0x00000020
#define NI_NUMERICSCOPE 0x00000040
/*%
* Scope delimit character
*/
#if defined(_NETBSD_SOURCE)
#define SCOPE_DELIMITER '%'
#endif
#endif /* (_POSIX_C_SOURCE - 0) >= 200112L || ... */
__BEGIN_DECLS
void endhostent(void);
void endnetent(void);
void endprotoent(void);
void endservent(void);
#if (_XOPEN_SOURCE - 0) >= 520 && (_XOPEN_SOURCE - 0) < 600 || \
defined(_NETBSD_SOURCE)
#if 0 /* we do not ship this */
void freehostent(struct hostent *);
#endif
#endif
struct hostent *gethostbyaddr(const char *, socklen_t, int);
struct hostent *gethostbyname(const char *);
#if defined(_NETBSD_SOURCE)
struct hostent *gethostbyname2(const char *, int);
#endif
struct hostent *gethostent(void);
struct netent *getnetbyaddr(uint32_t, int);
struct netent *getnetbyname(const char *);
struct netent *getnetent(void);
struct protoent *getprotobyname(const char *);
struct protoent *getprotobynumber(int);
struct protoent *getprotoent(void);
struct servent *getservbyname(const char *, const char *);
struct servent *getservbyport(int, const char *);
struct servent *getservent(void);
#if defined(_NETBSD_SOURCE)
void herror(const char *);
const char *hstrerror(int);
#endif
void sethostent(int);
#if defined(_NETBSD_SOURCE)
/* void sethostfile(const char *); */
#endif
void setnetent(int);
void setprotoent(int);
void setservent(int);
#if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 520 || \
defined(_NETBSD_SOURCE)
int getaddrinfo(const char * __restrict, const char * __restrict,
const struct addrinfo * __restrict,
struct addrinfo ** __restrict);
int getnameinfo(const struct sockaddr * __restrict, socklen_t,
char * __restrict, socklen_t,
char * __restrict, socklen_t, int);
struct addrinfo *allocaddrinfo(socklen_t);
void freeaddrinfo(struct addrinfo *);
const char *gai_strerror(int);
#endif
__END_DECLS
#endif /* !_NETDB_H_ */
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