4815dd49bb
mapping addition. (ga_clone): Just call ga_dup from here. (ga_duplist): New function to duplicate list of struct addrinfo. (ga_echeck): Don't check a_flags, it already happened in cygwin_getaddrinfo. (cygwin_freeaddrinfo): Always call ipv4_freeaddrinfo. (cygwin_getaddrinfo): Use new wincap.supports_all_posix_ai_flags flag rather than wincap.has_gaa_on_link_prefix. Always duplicate WinSock's addrinfo list to a self-allocated list. Handle AI_V4MAPPED for pre-Vista platforms supporting getaddrinfo. * wincap.h (wincapc::supports_all_posix_ai_flags): New element. * wincap.cc: Implement above element throughout. * include/netdb.h: Note how AI_ADDRCONFIG is not supported pre-Vista. Remove superfluous comment.
234 lines
8.1 KiB
C
234 lines
8.1 KiB
C
/* Original linux netdb.h merged with winsock.h types */
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/*-
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* Copyright (c) 1980, 1983, 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)netdb.h 8.1 (Berkeley) 6/2/93
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* netdb.h,v 1.1.1.1 1995/02/18 05:34:07 hjl Exp
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* -
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* Portions Copyright (c) 1993 by Digital Equipment Corporation.
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*
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* Permission to use, copy, modify and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies, and that
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* the name of Digital Equipment Corporation not be used in advertising or
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* publicity pertaining to distribution of the document or software without
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* specific, written prior permission.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
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* CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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* -
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* --Copyright--
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*/
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#ifndef _NETDB_H_
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#define _NETDB_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include <cygwin/socket.h>
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/*
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* Structures returned by network data base library. All addresses are
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* supplied in host order, and returned in network order (suitable for
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* use in system calls).
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*/
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/* Different from the linux versions - note the shorts.. */
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struct hostent {
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const char *h_name; /* official name of host */
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char **h_aliases; /* alias list */
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short h_addrtype; /* host address type */
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short h_length; /* length of address */
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char **h_addr_list; /* list of addresses from name server */
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#define h_addr h_addr_list[0] /* address, for backward compatiblity */
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};
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/*
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* Assumption here is that a network number
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* fits in an unsigned long -- probably a poor one.
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*/
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struct netent {
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char *n_name; /* official name of net */
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char **n_aliases; /* alias list */
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short n_addrtype; /* net address type */
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uint32_t n_net; /* network # */
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};
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struct servent {
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char *s_name; /* official service name */
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char **s_aliases; /* alias list */
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short s_port; /* port # */
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char *s_proto; /* protocol to use */
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};
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struct protoent
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{
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char *p_name; /* official protocol name */
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char **p_aliases; /* alias list */
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short p_proto; /* protocol # */
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};
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struct rpcent {
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char *r_name; /* name of server for this rpc program */
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char **r_aliases; /* alias list */
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int r_number; /* rpc program number */
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};
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struct addrinfo {
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int ai_flags; /* input flags */
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int ai_family; /* address family of socket */
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int ai_socktype; /* socket type */
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int ai_protocol; /* ai_protocol */
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socklen_t ai_addrlen; /* length of socket address */
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char *ai_canonname; /* canonical name of service location */
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struct sockaddr *ai_addr; /* socket address of socket */
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struct addrinfo *ai_next; /* pointer to next in list */
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};
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/*
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* Error return codes from gethostbyname() and gethostbyaddr()
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* (left in extern int h_errno).
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*/
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#ifdef __INSIDE_CYGWIN_NET__
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extern int h_errno;
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#else
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extern __declspec(dllimport) int h_errno;
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#endif
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#define NETDB_INTERNAL -1 /* see errno */
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#define NETDB_SUCCESS 0 /* no problem */
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#define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
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#define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */
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#define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
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#define NO_DATA 4 /* Valid name, no data record of requested type */
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#define NO_ADDRESS NO_DATA /* no address, look for MX record */
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#define AI_PASSIVE 1
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#define AI_CANONNAME 2
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#define AI_NUMERICHOST 4
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#define AI_NUMERICSERV 8
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#define AI_ALL 256
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#define AI_ADDRCONFIG 1024 /* Only available on Vista. Unchangable default
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on older systems. */
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#define AI_V4MAPPED 2048
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#define NI_NOFQDN 1
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#define NI_NUMERICHOST 2
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#define NI_NAMEREQD 4
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#define NI_NUMERICSERV 8
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#define NI_DGRAM 16
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#define NI_MAXHOST 1025
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#define NI_MAXSERV 32
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#define EAI_ADDRFAMILY 1
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#define EAI_AGAIN 2
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#define EAI_BADFLAGS 3
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#define EAI_FAIL 4
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#define EAI_FAMILY 5
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#define EAI_MEMORY 6
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#define EAI_NODATA 7
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#define EAI_NONAME 8
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#define EAI_SERVICE 9
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#define EAI_SOCKTYPE 10
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#define EAI_SYSTEM 11
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#define EAI_BADHINTS 12
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#define EAI_PROTOCOL 13
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#define EAI_OVERFLOW 14
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#ifndef __INSIDE_CYGWIN_NET__
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void endhostent (void);
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void endnetent (void);
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void endprotoent (void);
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void endservent (void);
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void endrpcent (void);
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struct hostent *gethostbyaddr (const char *, int, int);
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struct hostent *gethostbyname (const char *);
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struct hostent *gethostent (void);
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struct netent *getnetbyaddr (long, int); /* u_long? */
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struct netent *getnetbyname (const char *);
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struct netent *getnetent (void);
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struct protoent *getprotobyname (const char *);
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struct protoent *getprotobynumber (int);
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struct protoent *getprotoent (void);
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struct servent *getservbyname (const char *, const char *);
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struct servent *getservbyport (int, const char *);
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struct servent *getservent (void);
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struct rpcent *getrpcent (void);
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struct rpcent *getrpcbyname (const char *);
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struct rpcent *getrpcbynumber (int);
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const char *hstrerror (int);
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void herror (const char *);
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void sethostent (int);
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void setnetent (int);
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void setprotoent (int);
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void setservent (int);
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void setrpcent (int);
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void freeaddrinfo (struct addrinfo *);
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const char *gai_strerror (int);
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int getaddrinfo (const char *, const char *,
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const struct addrinfo *, struct addrinfo **);
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int getnameinfo (const struct sockaddr *, socklen_t, char *,
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socklen_t, char *, socklen_t, int);
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int rcmd (char **, uint16_t, const char *, const char *,
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const char *, int *);
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int rcmd_af (char **, uint16_t, const char *, const char *,
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const char *, int *, int);
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int rexec (char **, uint16_t rport, char *, char *, char *, int *);
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int rresvport (int *);
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int rresvport_af (int *, int);
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int iruserok (unsigned long, int, const char *, const char *);
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int iruserok_sa (const void *, int, int, const char *,
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const char *);
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int ruserok (const char *, int, const char *, const char *);
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#endif
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#ifdef __cplusplus
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};
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#endif
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#endif /* !_NETDB_H_ */
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