native_client_sdk/src/libraries/third_party/newlib-extras/netdb.h - chromium/src - Git at Google

 /*-
  * 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.
  * 4. 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.
  * -
  * --Copyright--
  */

 /*
  *      @(#)netdb.h	8.1 (Berkeley) 6/2/93
  *      From: Id: netdb.h,v 8.9 1996/11/19 08:39:29 vixie Exp $
  * $FreeBSD: src/include/netdb.h,v 1.23 2002/03/23 17:24:53 imp Exp $
  */

 #ifndef _NETDB_H_
 #define _NETDB_H_

 #include <sys/cdefs.h>
 #include <sys/types.h>
 #include <machine/ansi.h>
 #include <stdint.h>
 #include <stdio.h>

 #ifndef __socklen_t_defined
 typedef unsigned int socklen_t;
 #define __socklen_t_defined 1
 #endif

 #ifdef	_BSD_SOCKLEN_T_
 typedef	_BSD_SOCKLEN_T_	socklen_t;
 #undef	_BSD_SOCKLEN_T_
 #endif

 #ifndef _PATH_HEQUIV
 # define	_PATH_HEQUIV	"/etc/hosts.equiv"
 #endif
 #define	_PATH_HOSTS	"/etc/hosts"
 #define	_PATH_NETWORKS	"/etc/networks"
 #define	_PATH_PROTOCOLS	"/etc/protocols"
 #define	_PATH_SERVICES	"/etc/services"
 #define _PATH_NSSWITCH_CONF  "/etc/nsswitch.conf"

 __BEGIN_DECLS
 extern int *__h_errno_location(void);
 __END_DECLS

 #define h_errno (*(__h_errno_location()))

 #define	MAXALIASES	35
   /* For now, only support one return address. */
 #define MAXADDRS         2
 /*
  * 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 */
   char *h_addr;         /* address, for backward compatibility */
   /* private data, for re-entrancy */
   char *__host_addrs[MAXADDRS];
   char *__host_aliases[MAXALIASES];
   unsigned int __host_addr[4];
 };

 /*
  * 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 */
 	unsigned long	n_net;		/* network # */
 };

 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 # */
 };

 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 hostname */
 	struct	sockaddr *ai_addr;	/* binary address */
 	struct	addrinfo *ai_next;	/* next structure in linked list */
 };

 /*
  * Error return codes from gethostbyname() and gethostbyaddr()
  * (left in extern int h_errno).
  */

 #define	NETDB_INTERNAL	-1	/* see errno */
 #define	NETDB_SUCCESS	0	/* no problem */
 #define	HOST_NOT_FOUND	1 /* Authoritative Answer Host not found */
 #define	TRY_AGAIN	2 /* Non-Authoritative 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 */
 #define	NO_ADDRESS	NO_DATA		/* no address, look for MX record */

 /*
  * Error return codes from getaddrinfo()
  */
 /* Error values for `getaddrinfo' function.  */
 # define EAI_BADFLAGS     -1    /* Invalid value for `ai_flags' field.  */
 # define EAI_NONAME       -2    /* NAME or SERVICE is unknown.  */
 # define EAI_AGAIN        -3    /* Temporary failure in name resolution.  */
 # define EAI_FAIL         -4    /* Non-recoverable failure in name res.  */
 # define EAI_NODATA       -5    /* No address associated with NAME.  */
 # define EAI_FAMILY       -6    /* `ai_family' not supported.  */
 # define EAI_SOCKTYPE     -7    /* `ai_socktype' not supported.  */
 # define EAI_SERVICE      -8    /* SERVICE not supported for `ai_socktype'.  */
 # define EAI_ADDRFAMILY   -9    /* Address family for NAME not supported.  */
 # define EAI_MEMORY       -10   /* Memory allocation failure.  */
 # define EAI_SYSTEM       -11   /* System error returned in `errno'.  */
 # define EAI_OVERFLOW     -12   /* Argument buffer overflow.  */
 # ifdef __USE_GNU
 #  define EAI_INPROGRESS  -100  /* Processing request in progress.  */
 #  define EAI_CANCELED    -101  /* Request canceled.  */
 #  define EAI_NOTCANCELED -102  /* Request not canceled.  */
 #  define EAI_ALLDONE     -103  /* All requests done.  */
 #  define EAI_INTR        -104  /* Interrupted by a signal.  */
 #  define EAI_IDN_ENCODE  -105  /* IDN encoding failed.  */
 # endif

 /*
  * Flag values for getaddrinfo()
  */
 #define	AI_PASSIVE	0x00000001 /* get address to use bind() */
 #define	AI_CANONNAME	0x00000002 /* fill ai_canonname */
 #define	AI_NUMERICHOST	0x00000004 /* prevent name resolution */
 #define AI_NUMERICSERV  0x00000008 /* don't use name resolution. */
 /* valid flags for addrinfo */
 #define AI_MASK \
     (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_ADDRCONFIG)

 #define	AI_ALL		0x00000100 /* IPv6 and IPv4-mapped (with AI_V4MAPPED) */
 #define	AI_V4MAPPED_CFG	0x00000200 /* accept IPv4-mapped if kernel supports */
 #define	AI_ADDRCONFIG	0x00000400 /* only if any address is assigned */
 #define	AI_V4MAPPED	0x00000800 /* accept IPv4-mapped IPv6 address */
 /* special recommended flags for getipnodebyname */
 #define	AI_DEFAULT	(AI_V4MAPPED_CFG | AI_ADDRCONFIG)

 /*
  * Constants for getnameinfo()
  */
 #define	NI_MAXHOST	1025
 #define	NI_MAXSERV	32

 /*
  * 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

 /*
  * Scope delimit character
  */
 #define	SCOPE_DELIMITER	'%'

 __BEGIN_DECLS
 void		endhostent(void);
 void		endhostent_r(FILE **, int *);
 void		endnetent(void);
 void		endnetgrent(void);
 void		endprotoent(void);
 void		endservent(void);
 void		freehostent(struct hostent *);
 struct hostent	*gethostbyaddr(const void *, socklen_t, int);
 struct hostent	*gethostbyname(const char *);
 struct hostent	*gethostbyname2(const char *, int);
 struct hostent	*gethostent(void);
 int             gethostent_r(struct hostent *, char *, int, int *, FILE **);
 struct hostent	*getipnodebyaddr(const void *, size_t, int, int *);
 struct hostent	*getipnodebyname(const char *, int, int, int *);
 struct netent	*getnetbyaddr(uint32_t, int);
 struct netent	*getnetbyname(const char *);
 struct netent	*getnetent(void);
 int		getnetgrent(char **, char **, char **);
 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);
 void		herror(const char *);
 __const char	*hstrerror(int);
 int		innetgr(const char *, const char *, const char *, const char *);
 void		sethostent(int);
 void		sethostent_r(int, FILE **, int *);
 /* void		sethostfile(const char *); */
 void		setnetent(int);
 void		setprotoent(int);
 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, unsigned int);
 void		freeaddrinfo(struct addrinfo *);
 char		*gai_strerror(int);
 int		setnetgrent(const char *);
 void		setservent(int);

 /*
  * PRIVATE functions specific to the FreeBSD implementation
  */

 /* DO NOT USE THESE, THEY ARE SUBJECT TO CHANGE AND ARE NOT PORTABLE!!! */
 void	_sethosthtent(int);
 void	_sethosthtent_r(int, FILE **, int *);
 void	_endhosthtent(void);
 void	_endhosthtent_r(FILE **, int *);
 void	_sethostdnsent(int);
 void	_endhostdnsent(void);
 void	_setnethtent(int);
 void	_endnethtent(void);
 void	_setnetdnsent(int);
 void	_endnetdnsent(void);
 struct hostent * _gethostbynisname(const char *, int);
 struct hostent * _gethostbynisaddr(const char *, int, int);
 void _map_v4v6_address(const char *, char *);
 void _map_v4v6_hostent(struct hostent *, char **, int *);
 __END_DECLS

 #endif /* !_NETDB_H_ */
	/*-
	* 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.
	* 4. 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.
	* -
	* --Copyright--
	*/

	/*
	* @(#)netdb.h 8.1 (Berkeley) 6/2/93
	* From: Id: netdb.h,v 8.9 1996/11/19 08:39:29 vixie Exp $
	* $FreeBSD: src/include/netdb.h,v 1.23 2002/03/23 17:24:53 imp Exp $
	*/

	#ifndef _NETDB_H_
	#define _NETDB_H_

	#include <sys/cdefs.h>
	#include <sys/types.h>
	#include <machine/ansi.h>
	#include <stdint.h>
	#include <stdio.h>

	#ifndef __socklen_t_defined
	typedef unsigned int socklen_t;
	#define __socklen_t_defined 1
	#endif

	#ifdef _BSD_SOCKLEN_T_
	typedef _BSD_SOCKLEN_T_ socklen_t;
	#undef _BSD_SOCKLEN_T_
	#endif

	#ifndef _PATH_HEQUIV
	# define _PATH_HEQUIV "/etc/hosts.equiv"
	#endif
	#define _PATH_HOSTS "/etc/hosts"
	#define _PATH_NETWORKS "/etc/networks"
	#define _PATH_PROTOCOLS "/etc/protocols"
	#define _PATH_SERVICES "/etc/services"
	#define _PATH_NSSWITCH_CONF "/etc/nsswitch.conf"

	__BEGIN_DECLS
	extern int *__h_errno_location(void);
	__END_DECLS

	#define h_errno (*(__h_errno_location()))

	#define MAXALIASES 35
	/* For now, only support one return address. */
	#define MAXADDRS 2
	/*
	* 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 */
	char h_addr; / address, for backward compatibility */
	/* private data, for re-entrancy */
	char *__host_addrs[MAXADDRS];
	char *__host_aliases[MAXALIASES];
	unsigned int __host_addr[4];
	};

	/*
	* 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 */
	unsigned long n_net; /* network # */
	};

	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 # */
	};

	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 hostname */
	struct sockaddr ai_addr; / binary address */
	struct addrinfo ai_next; / next structure in linked list */
	};

	/*
	* Error return codes from gethostbyname() and gethostbyaddr()
	* (left in extern int h_errno).
	*/

	#define NETDB_INTERNAL -1 /* see errno */
	#define NETDB_SUCCESS 0 /* no problem */
	#define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
	#define TRY_AGAIN 2 /* Non-Authoritative 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 */
	#define NO_ADDRESS NO_DATA /* no address, look for MX record */

	/*
	* Error return codes from getaddrinfo()
	*/
	/* Error values for `getaddrinfo' function. */
	# define EAI_BADFLAGS -1 /* Invalid value for `ai_flags' field. */
	# define EAI_NONAME -2 /* NAME or SERVICE is unknown. */
	# define EAI_AGAIN -3 /* Temporary failure in name resolution. */
	# define EAI_FAIL -4 /* Non-recoverable failure in name res. */
	# define EAI_NODATA -5 /* No address associated with NAME. */
	# define EAI_FAMILY -6 /* `ai_family' not supported. */
	# define EAI_SOCKTYPE -7 /* `ai_socktype' not supported. */
	# define EAI_SERVICE -8 /* SERVICE not supported for `ai_socktype'. */
	# define EAI_ADDRFAMILY -9 /* Address family for NAME not supported. */
	# define EAI_MEMORY -10 /* Memory allocation failure. */
	# define EAI_SYSTEM -11 /* System error returned in `errno'. */
	# define EAI_OVERFLOW -12 /* Argument buffer overflow. */
	# ifdef __USE_GNU
	# define EAI_INPROGRESS -100 /* Processing request in progress. */
	# define EAI_CANCELED -101 /* Request canceled. */
	# define EAI_NOTCANCELED -102 /* Request not canceled. */
	# define EAI_ALLDONE -103 /* All requests done. */
	# define EAI_INTR -104 /* Interrupted by a signal. */
	# define EAI_IDN_ENCODE -105 /* IDN encoding failed. */
	# endif

	/*
	* Flag values for getaddrinfo()
	*/
	#define AI_PASSIVE 0x00000001 /* get address to use bind() */
	#define AI_CANONNAME 0x00000002 /* fill ai_canonname */
	#define AI_NUMERICHOST 0x00000004 /* prevent name resolution */
	#define AI_NUMERICSERV 0x00000008 /* don't use name resolution. */
	/* valid flags for addrinfo */
	#define AI_MASK \
	(AI_PASSIVE \| AI_CANONNAME \| AI_NUMERICHOST \| AI_ADDRCONFIG)

	#define AI_ALL 0x00000100 /* IPv6 and IPv4-mapped (with AI_V4MAPPED) */
	#define AI_V4MAPPED_CFG 0x00000200 /* accept IPv4-mapped if kernel supports */
	#define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */
	#define AI_V4MAPPED 0x00000800 /* accept IPv4-mapped IPv6 address */
	/* special recommended flags for getipnodebyname */
	#define AI_DEFAULT (AI_V4MAPPED_CFG \| AI_ADDRCONFIG)

	/*
	* Constants for getnameinfo()
	*/
	#define NI_MAXHOST 1025
	#define NI_MAXSERV 32

	/*
	* 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

	/*
	* Scope delimit character
	*/
	#define SCOPE_DELIMITER '%'

	__BEGIN_DECLS
	void endhostent(void);
	void endhostent_r(FILE *, int );
	void endnetent(void);
	void endnetgrent(void);
	void endprotoent(void);
	void endservent(void);
	void freehostent(struct hostent *);
	struct hostent gethostbyaddr(const void , socklen_t, int);
	struct hostent gethostbyname(const char );
	struct hostent gethostbyname2(const char , int);
	struct hostent *gethostent(void);
	int gethostent_r(struct hostent , char , int, int , FILE *);
	struct hostent getipnodebyaddr(const void , size_t, int, int *);
	struct hostent getipnodebyname(const char , int, int, int *);
	struct netent *getnetbyaddr(uint32_t, int);
	struct netent getnetbyname(const char );
	struct netent *getnetent(void);
	int getnetgrent(char , char , char **);
	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);
	void herror(const char *);
	__const char *hstrerror(int);
	int innetgr(const char , const char , const char , const char );
	void sethostent(int);
	void sethostent_r(int, FILE *, int );
	/* void sethostfile(const char ); /
	void setnetent(int);
	void setprotoent(int);
	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, unsigned int);
	void freeaddrinfo(struct addrinfo *);
	char *gai_strerror(int);
	int setnetgrent(const char *);
	void setservent(int);

	/*
	* PRIVATE functions specific to the FreeBSD implementation
	*/

	/* DO NOT USE THESE, THEY ARE SUBJECT TO CHANGE AND ARE NOT PORTABLE!!! */
	void _sethosthtent(int);
	void _sethosthtent_r(int, FILE *, int );
	void _endhosthtent(void);
	void _endhosthtent_r(FILE *, int );
	void _sethostdnsent(int);
	void _endhostdnsent(void);
	void _setnethtent(int);
	void _endnethtent(void);
	void _setnetdnsent(int);
	void _endnetdnsent(void);
	struct hostent * _gethostbynisname(const char *, int);
	struct hostent * _gethostbynisaddr(const char *, int, int);
	void _map_v4v6_address(const char , char );
	void _map_v4v6_hostent(struct hostent , char , int );
	__END_DECLS

	#endif /* !_NETDB_H_ */