123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708 |
- /* Copyright (C) 1996-2002, 2003, 2004 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C 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.
- The GNU C 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 the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- /* All data returned by the network data base library are supplied in
- host order and returned in network order (suitable for use in
- system calls). */
- #ifndef _NETDB_H
- #define _NETDB_H 1
- #include <features.h>
- #include <netinet/in.h>
- #include <stdint.h>
- #if defined __USE_MISC && defined __UCLIBC_HAS_RPC__
- /* This is necessary to make this include file properly replace the
- Sun version. */
- # include <rpc/netdb.h>
- #endif
- #ifdef __USE_GNU
- # define __need_sigevent_t
- # include <bits/siginfo.h>
- # define __need_timespec
- # include <time.h>
- #endif
- #include <bits/netdb.h>
- /* Absolute file name for network data base files. */
- #define _PATH_HEQUIV "/etc/hosts.equiv"
- #define _PATH_HOSTS "/etc/hosts"
- #define _PATH_NETWORKS "/etc/networks"
- #define _PATH_NSSWITCH_CONF "/etc/nsswitch.conf"
- #define _PATH_PROTOCOLS "/etc/protocols"
- #define _PATH_SERVICES "/etc/services"
- __BEGIN_DECLS
- /* Error status for non-reentrant lookup functions.
- We use a macro to access always the thread-specific `h_errno' variable. */
- #define h_errno (*__h_errno_location ())
- /* Function to get address of global `h_errno' variable. */
- extern int *__h_errno_location (void) __THROW __attribute__ ((__const__));
- libc_hidden_proto(__h_errno_location)
- /* Macros for accessing h_errno from inside libc. */
- #ifdef _LIBC
- # ifdef __UCLIBC_HAS_THREADS__
- # if defined __UCLIBC_HAS_TLS__ \
- && (!defined NOT_IN_libc || defined IS_IN_libpthread)
- # undef h_errno
- # ifndef NOT_IN_libc
- # define h_errno __libc_h_errno
- # else
- # define h_errno h_errno /* For #ifndef h_errno tests. */
- # endif
- extern __thread int h_errno attribute_tls_model_ie;
- # define __set_h_errno(x) (h_errno = (x))
- # else
- static inline int __set_h_errno (int __err)
- {
- return *__h_errno_location () = __err;
- }
- # endif /* __UCLIBC_HAS_TLS__ */
- # else
- # undef h_errno
- # define __set_h_errno(x) (h_errno = (x))
- extern int h_errno;
- # endif /* __UCLIBC_HAS_THREADS__ */
- #endif /* _LIBC */
- /* Possible values left in `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. */
- #ifdef __USE_XOPEN2K
- /* Highest reserved Internet port number. */
- # define IPPORT_RESERVED 1024
- #endif
- #ifdef __USE_GNU
- /* Scope delimiter for getaddrinfo(), getnameinfo(). */
- # define SCOPE_DELIMITER '%'
- #endif
- /* Print error indicated by `h_errno' variable on standard error. STR
- if non-null is printed before the error string. */
- extern void herror (__const char *__str) __THROW;
- libc_hidden_proto(herror)
- /* Return string associated with error ERR_NUM. */
- extern __const char *hstrerror (int __err_num) __THROW;
- /* Description of data base entry for a single host. */
- 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 compatibility. */
- };
- /* Open host data base files and mark them as staying open even after
- a later search if STAY_OPEN is non-zero.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern void sethostent (int __stay_open);
- /* Close host data base files and clear `stay open' flag.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern void endhostent (void);
- /* Get next entry from host data base file. Open data base if
- necessary.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern struct hostent *gethostent (void);
- /* Return entry from host data base which address match ADDR with
- length LEN and type TYPE.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern struct hostent *gethostbyaddr (__const void *__addr, __socklen_t __len,
- int __type);
- libc_hidden_proto(gethostbyaddr)
- /* Return entry from host data base for host with NAME.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern struct hostent *gethostbyname (__const char *__name);
- libc_hidden_proto(gethostbyname)
- #ifdef __USE_MISC
- /* Return entry from host data base for host with NAME. AF must be
- set to the address type which is `AF_INET' for IPv4 or `AF_INET6'
- for IPv6.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern struct hostent *gethostbyname2 (__const char *__name, int __af);
- libc_hidden_proto(gethostbyname2)
- /* Reentrant versions of the functions above. The additional
- arguments specify a buffer of BUFLEN starting at BUF. The last
- argument is a pointer to a variable which gets the value which
- would be stored in the global variable `herrno' by the
- non-reentrant functions.
- These functions are not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation they are cancellation points and
- therefore not marked with __THROW. */
- extern int gethostent_r (struct hostent *__restrict __result_buf,
- char *__restrict __buf, size_t __buflen,
- struct hostent **__restrict __result,
- int *__restrict __h_errnop);
- libc_hidden_proto(gethostent_r)
- extern int gethostbyaddr_r (__const void *__restrict __addr, __socklen_t __len,
- int __type,
- struct hostent *__restrict __result_buf,
- char *__restrict __buf, size_t __buflen,
- struct hostent **__restrict __result,
- int *__restrict __h_errnop);
- libc_hidden_proto(gethostbyaddr_r)
- extern int gethostbyname_r (__const char *__restrict __name,
- struct hostent *__restrict __result_buf,
- char *__restrict __buf, size_t __buflen,
- struct hostent **__restrict __result,
- int *__restrict __h_errnop);
- libc_hidden_proto(gethostbyname_r)
- extern int gethostbyname2_r (__const char *__restrict __name, int __af,
- struct hostent *__restrict __result_buf,
- char *__restrict __buf, size_t __buflen,
- struct hostent **__restrict __result,
- int *__restrict __h_errnop);
- libc_hidden_proto(gethostbyname2_r)
- #endif /* misc */
- /* Open network data base files and mark them as staying open even
- after a later search if STAY_OPEN is non-zero.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern void setnetent (int __stay_open);
- libc_hidden_proto(setnetent)
- /* Close network data base files and clear `stay open' flag.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern void endnetent (void);
- libc_hidden_proto(endnetent)
- /* Get next entry from network data base file. Open data base if
- necessary.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern struct netent *getnetent (void);
- libc_hidden_proto(getnetent)
- /* Return entry from network data base which address match NET and
- type TYPE.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern struct netent *getnetbyaddr (uint32_t __net, int __type);
- /* Return entry from network data base for network with NAME.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern struct netent *getnetbyname (__const char *__name);
- #if 0
- /* FIXME */
- #ifdef __USE_MISC
- /* Reentrant versions of the functions above. The additional
- arguments specify a buffer of BUFLEN starting at BUF. The last
- argument is a pointer to a variable which gets the value which
- would be stored in the global variable `herrno' by the
- non-reentrant functions.
- These functions are not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation they are cancellation points and
- therefore not marked with __THROW. */
- extern int getnetent_r (struct netent *__restrict __result_buf,
- char *__restrict __buf, size_t __buflen,
- struct netent **__restrict __result,
- int *__restrict __h_errnop);
- extern int getnetbyaddr_r (uint32_t __net, int __type,
- struct netent *__restrict __result_buf,
- char *__restrict __buf, size_t __buflen,
- struct netent **__restrict __result,
- int *__restrict __h_errnop);
- extern int getnetbyname_r (__const char *__restrict __name,
- struct netent *__restrict __result_buf,
- char *__restrict __buf, size_t __buflen,
- struct netent **__restrict __result,
- int *__restrict __h_errnop);
- #endif /* misc */
- #endif
- /* Description of data base entry for a single service. */
- struct servent
- {
- char *s_name; /* Official service name. */
- char **s_aliases; /* Alias list. */
- int s_port; /* Port number. */
- char *s_proto; /* Protocol to use. */
- };
- /* Open service data base files and mark them as staying open even
- after a later search if STAY_OPEN is non-zero.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern void setservent (int __stay_open);
- libc_hidden_proto(setservent)
- /* Close service data base files and clear `stay open' flag.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern void endservent (void);
- libc_hidden_proto(endservent)
- /* Get next entry from service data base file. Open data base if
- necessary.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern struct servent *getservent (void);
- /* Return entry from network data base for network with NAME and
- protocol PROTO.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern struct servent *getservbyname (__const char *__name,
- __const char *__proto);
- /* Return entry from service data base which matches port PORT and
- protocol PROTO.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern struct servent *getservbyport (int __port, __const char *__proto);
- libc_hidden_proto(getservbyport)
- #ifdef __USE_MISC
- /* Reentrant versions of the functions above. The additional
- arguments specify a buffer of BUFLEN starting at BUF.
- These functions are not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation they are cancellation points and
- therefore not marked with __THROW. */
- extern int getservent_r (struct servent *__restrict __result_buf,
- char *__restrict __buf, size_t __buflen,
- struct servent **__restrict __result);
- libc_hidden_proto(getservent_r)
- extern int getservbyname_r (__const char *__restrict __name,
- __const char *__restrict __proto,
- struct servent *__restrict __result_buf,
- char *__restrict __buf, size_t __buflen,
- struct servent **__restrict __result);
- libc_hidden_proto(getservbyname_r)
- extern int getservbyport_r (int __port, __const char *__restrict __proto,
- struct servent *__restrict __result_buf,
- char *__restrict __buf, size_t __buflen,
- struct servent **__restrict __result);
- libc_hidden_proto(getservbyport_r)
- #endif /* misc */
- /* Description of data base entry for a single service. */
- struct protoent
- {
- char *p_name; /* Official protocol name. */
- char **p_aliases; /* Alias list. */
- int p_proto; /* Protocol number. */
- };
- /* Open protocol data base files and mark them as staying open even
- after a later search if STAY_OPEN is non-zero.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern void setprotoent (int __stay_open);
- libc_hidden_proto(setprotoent)
- /* Close protocol data base files and clear `stay open' flag.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern void endprotoent (void);
- libc_hidden_proto(endprotoent)
- /* Get next entry from protocol data base file. Open data base if
- necessary.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern struct protoent *getprotoent (void);
- /* Return entry from protocol data base for network with NAME.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern struct protoent *getprotobyname (__const char *__name);
- /* Return entry from protocol data base which number is PROTO.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern struct protoent *getprotobynumber (int __proto);
- #ifdef __USE_MISC
- /* Reentrant versions of the functions above. The additional
- arguments specify a buffer of BUFLEN starting at BUF.
- These functions are not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation they are cancellation points and
- therefore not marked with __THROW. */
- extern int getprotoent_r (struct protoent *__restrict __result_buf,
- char *__restrict __buf, size_t __buflen,
- struct protoent **__restrict __result);
- libc_hidden_proto(getprotoent_r)
- extern int getprotobyname_r (__const char *__restrict __name,
- struct protoent *__restrict __result_buf,
- char *__restrict __buf, size_t __buflen,
- struct protoent **__restrict __result);
- libc_hidden_proto(getprotobyname_r)
- extern int getprotobynumber_r (int __proto,
- struct protoent *__restrict __result_buf,
- char *__restrict __buf, size_t __buflen,
- struct protoent **__restrict __result);
- libc_hidden_proto(getprotobynumber_r)
- #ifdef __UCLIBC_HAS_NETGROUP__
- /* Establish network group NETGROUP for enumeration.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern int setnetgrent (__const char *__netgroup);
- /* Free all space allocated by previous `setnetgrent' call.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern void endnetgrent (void);
- /* Get next member of netgroup established by last `setnetgrent' call
- and return pointers to elements in HOSTP, USERP, and DOMAINP.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern int getnetgrent (char **__restrict __hostp,
- char **__restrict __userp,
- char **__restrict __domainp);
- /* Test whether NETGROUP contains the triple (HOST,USER,DOMAIN).
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern int innetgr (__const char *__netgroup, __const char *__host,
- __const char *__user, __const char *domain);
- /* Reentrant version of `getnetgrent' where result is placed in BUFFER.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern int getnetgrent_r (char **__restrict __hostp,
- char **__restrict __userp,
- char **__restrict __domainp,
- char *__restrict __buffer, size_t __buflen);
- #endif /* UCLIBC_HAS_NETGROUP */
- #endif /* misc */
- /* ruserpass - remote password check.
- This function also exists in glibc but is undocumented */
- extern int ruserpass(const char *host, const char **aname, const char **apass);
- libc_hidden_proto(ruserpass)
- #ifdef __USE_BSD
- /* Call `rshd' at port RPORT on remote machine *AHOST to execute CMD.
- The local user is LOCUSER, on the remote machine the command is
- executed as REMUSER. In *FD2P the descriptor to the socket for the
- connection is returned. The caller must have the right to use a
- reserved port. When the function returns *AHOST contains the
- official host name.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern int rcmd (char **__restrict __ahost, unsigned short int __rport,
- __const char *__restrict __locuser,
- __const char *__restrict __remuser,
- __const char *__restrict __cmd, int *__restrict __fd2p);
- #if 0
- /* FIXME */
- /* This is the equivalent function where the protocol can be selected
- and which therefore can be used for IPv6.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern int rcmd_af (char **__restrict __ahost, unsigned short int __rport,
- __const char *__restrict __locuser,
- __const char *__restrict __remuser,
- __const char *__restrict __cmd, int *__restrict __fd2p,
- sa_family_t __af);
- #endif
- /* Call `rexecd' at port RPORT on remote machine *AHOST to execute
- CMD. The process runs at the remote machine using the ID of user
- NAME whose cleartext password is PASSWD. In *FD2P the descriptor
- to the socket for the connection is returned. When the function
- returns *AHOST contains the official host name.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern int rexec (char **__restrict __ahost, int __rport,
- __const char *__restrict __name,
- __const char *__restrict __pass,
- __const char *__restrict __cmd, int *__restrict __fd2p);
- /* This is the equivalent function where the protocol can be selected
- and which therefore can be used for IPv6.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern int rexec_af (char **__restrict __ahost, int __rport,
- __const char *__restrict __name,
- __const char *__restrict __pass,
- __const char *__restrict __cmd, int *__restrict __fd2p,
- sa_family_t __af);
- libc_hidden_proto(rexec_af)
- /* Check whether user REMUSER on system RHOST is allowed to login as LOCUSER.
- If SUSER is not zero the user tries to become superuser. Return 0 if
- it is possible.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern int ruserok (__const char *__rhost, int __suser,
- __const char *__remuser, __const char *__locuser);
- #if 0
- /* FIXME */
- /* This is the equivalent function where the protocol can be selected
- and which therefore can be used for IPv6.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern int ruserok_af (__const char *__rhost, int __suser,
- __const char *__remuser, __const char *__locuser,
- sa_family_t __af);
- #endif
- /* Try to allocate reserved port, returning a descriptor for a socket opened
- at this port or -1 if unsuccessful. The search for an available port
- will start at ALPORT and continues with lower numbers.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern int rresvport (int *__alport);
- libc_hidden_proto(rresvport)
- #if 0
- /* FIXME */
- /* This is the equivalent function where the protocol can be selected
- and which therefore can be used for IPv6.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern int rresvport_af (int *__alport, sa_family_t __af);
- #endif
- #endif
- /* Extension from POSIX.1g. */
- #ifdef __USE_POSIX
- /* Structure to contain information about address of a service provider. */
- struct addrinfo
- {
- int ai_flags; /* Input flags. */
- int ai_family; /* Protocol family for socket. */
- int ai_socktype; /* Socket type. */
- int ai_protocol; /* Protocol for socket. */
- socklen_t ai_addrlen; /* Length of socket address. */
- struct sockaddr *ai_addr; /* Socket address for socket. */
- char *ai_canonname; /* Canonical name for service location. */
- struct addrinfo *ai_next; /* Pointer to next in list. */
- };
- /* Possible values for `ai_flags' field in `addrinfo' structure. */
- # define AI_PASSIVE 0x0001 /* Socket address is intended for `bind'. */
- # define AI_CANONNAME 0x0002 /* Request for canonical name. */
- # define AI_NUMERICHOST 0x0004 /* Don't use name resolution. */
- # define AI_V4MAPPED 0x0008 /* IPv4 mapped addresses are acceptable. */
- # define AI_ALL 0x0010 /* Return IPv4 mapped and IPv6 addresses. */
- # define AI_ADDRCONFIG 0x0020 /* Use configuration of this host to choose
- returned address type.. */
- # ifdef __USE_GNU
- # define AI_IDN 0x0040 /* IDN encode input (assuming it is encoded
- in the current locale's character set)
- before looking it up. */
- # define AI_CANONIDN 0x0080 /* Translate canonical name from IDN format. */
- # define AI_IDN_ALLOW_UNASSIGNED 0x0100 /* Don't reject unassigned Unicode
- code points. */
- # define AI_IDN_USE_STD3_ASCII_RULES 0x0200 /* Validate strings according to
- STD3 rules. */
- # endif
- # define AI_NUMERICSERV 0x0400 /* Don't use name resolution. */
- /* 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
- # define NI_MAXHOST 1025
- # define NI_MAXSERV 32
- # define NI_NUMERICHOST 1 /* Don't try to look up hostname. */
- # define NI_NUMERICSERV 2 /* Don't convert port number to name. */
- # define NI_NOFQDN 4 /* Only return nodename portion. */
- # define NI_NAMEREQD 8 /* Don't return numeric addresses. */
- # define NI_DGRAM 16 /* Look up UDP service rather than TCP. */
- # ifdef __USE_GNU
- # define NI_IDN 32 /* Convert name from IDN format. */
- # define NI_IDN_ALLOW_UNASSIGNED 64 /* Don't reject unassigned Unicode
- code points. */
- # define NI_IDN_USE_STD3_ASCII_RULES 128 /* Validate strings according to
- STD3 rules. */
- # endif
- /* Translate name of a service location and/or a service name to set of
- socket addresses.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern int getaddrinfo (__const char *__restrict __name,
- __const char *__restrict __service,
- __const struct addrinfo *__restrict __req,
- struct addrinfo **__restrict __pai);
- libc_hidden_proto(getaddrinfo)
- /* Free `addrinfo' structure AI including associated storage. */
- extern void freeaddrinfo (struct addrinfo *__ai) __THROW;
- libc_hidden_proto(freeaddrinfo)
- /* Convert error return from getaddrinfo() to a string. */
- extern __const char *gai_strerror (int __ecode) __THROW;
- /* Translate a socket address to a location and service name.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern int getnameinfo (__const struct sockaddr *__restrict __sa,
- socklen_t __salen, char *__restrict __host,
- socklen_t __hostlen, char *__restrict __serv,
- socklen_t __servlen, unsigned int __flags);
- libc_hidden_proto(getnameinfo)
- #endif /* POSIX */
- __END_DECLS
- #endif /* netdb.h */
|