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glibc/resolv/netdb.h
Ulrich Drepper 0d8733c4fc Update.
1997-03-16 18:43  Ulrich Drepper  <drepper@cygnus.com>

	* manual/filesys.texi: Add documentation for scandir and alphasort.

	* math/math.c (fpclassify): Correct stupid typos.

	* math/libm-test.c: New file.  libm test suite by Andreas Jaeger.

	* nss/nss_files/files-hosts.c: Add gethostbyname2 imlementation.

	* posix/Makefile (routines): Add bsd-getpgrp.
	* posix/bsd-getpgrp.c: New file.
	* posix/unistd.h [__FAVOR_BSD]: Define macro getpgrp which maps
	calls to __bsd_getpgrp.

	* sysdeps/generic/getpgrp.c: De-ANSI-declfy.

	* sysdeps/i386/huge_val.h: New file.  ix87 specific infinity values.
	* sysdeps/m68k/huge_val.h: New file.  m68k specific infinity values.
	* sysdeps/generic/huge_val.h: Remove definition of long double
	definition.  Make it the same as the double definition.

	* sysdeps/libm-i387/e_acos.S: Fix bug in FPU stack handling.
	* sysdeps/libm-i387/e_acosf.S: Likewise.
	* sysdeps/libm-i387/e_acosl.S: Likewise.
	* sysdeps/libm-i387/e_asin.S: Likewise.
	* sysdeps/libm-i387/e_asinf.S: Likewise.
	* sysdeps/libm-i387/e_asinl.S: Likewise.
	* sysdeps/libm-i387/e_exp.S: Likewise.
	* sysdeps/libm-i387/e_expf.S: Likewise.
	* sysdeps/libm-i387/e_expl.S: Likewise.
	* sysdeps/libm-i387/e_scalbn.S: Likewise.
	* sysdeps/libm-i387/e_scalbnf.S: Likewise.
	* sysdeps/libm-i387/e_scalbnl.S: Likewise.

	* sysdeps/libm-i387/e_log.S: Optimize branch code.
	* sysdeps/libm-i387/e_logf.S: Likewise.
	* sysdeps/libm-i387/e_logl.S: Likewise.
	* sysdeps/libm-i387/e_log10.S: Likewise.
	* sysdeps/libm-i387/e_log10f.S: Likewise.
	* sysdeps/libm-i387/e_log10l.S: Likewise.

	* sysdeps/libm-i387/e_pow.S: Major rewrite to handle special cases.
	* sysdeps/libm-i387/e_powf.S: Likewise.
	* sysdeps/libm-i387/e_powl.S: Likewise.

	* sysdeps/libm-i387/e_expm1.S: Change return value for -inf
	argument to -1.0.
	* sysdeps/libm-i387/e_expm1f.S: Likewise.
	* sysdeps/libm-i387/e_expm1l.S: Likewise.

	* sysdeps/libm-i387/e_isinfl.c: Return -1 for -inf.

	* sysdeps/libm-i387/e_logbl.S: Correct return value.  Discard first
	stack element after fxtract.

	* sysdeps/libm-ieee754/e_atan2l.c: New file.  `long double'
	implementation for atan2 function.

	* sysdeps/libm-ieee754/k_standard.c: Return NAN for libm not in
	_SVID_ mode when acos, asin, atan2, log, log10 is called with
	argument out of range.
	Add new error case for pow(+0,neg).

	* sysdeps/libm-ieee754/s_fpclassifyf.c: Correct recognition of
	NaN and +-inf.
	* sysdeps/libm-ieee754/s_fpclassifyl.c: Mask out explicit leading
	digit in stupid 80 bit formats.

	* sysdeps/libm-ieee754/s_isinf.c: Rewrite to return -1 for -inf.
	* sysdeps/libm-ieee754/s_isinff.c: Likewise.
	* sysdeps/libm-ieee754/s_isinfl.c: Likewise.

	* sysdeps/libm-ieee754/s_scalbnl.c (huge, tiny): Adapt values for
	long double type.

	* sysdeps/libm-ieee754/w_atan2.c: Do not raise exception expect when
	in SVID mode.
	* sysdeps/libm-ieee754/w_atan2f.c: Likewise.
	* sysdeps/libm-ieee754/w_atan2l.c: Likewise.

	* sysdeps/libm-ieee754/w_pow.c: Distinguish error cases for x is +0
	or -0.

	* sysdeps/posix/isfdtype.c: Add cast to prevent warning.

	* sysdeps/stub/fcntlbits.h: Update copyright.
	* sysdeps/unix/bsd/fcntlbits.h: Likewise.
	* sysdeps/unix/bsd/bsd4.4/fcntlbits.h: Likewise.
	* sysdeps/unix/bsd/sun/sunos4/fcntlbits.h: Likewise.
	* sysdeps/unix/bsd/ultrix4/fcntlbits.h: Likewise.
	* sysdeps/unix/common/fcntlbits.h: Likewise.
	* sysdeps/unix/sysv/fcntlbits.h: Likewise.  Define O_FSYNC as alias
	of O_SYNC.  Add BSD compatibility macros FAPPEND, FFSYNC, FNONBLOCK,
	and FNDELAY.
	* sysdeps/unix/sysv/irix4/fcntlbits.h: Likewise.

	* sysdeps/unix/readdir_r.c: Don't copy whole `struct dirent' record,
	only reclen bytes.

	* sysdeps/unix/sysv/linux/fcntlbits.h [__USE_GNU]: Add O_READ, O_WRITE
	and O_NORW.
	* sysdeps/unix/sysv/linux/alpha/fcntlbits.h: Likewise.

	* sysdeps/unix/sysv/linux/init-first.h: Add copyright.

	* sysdeps/unix/sysv/linux/fxstat.c: New file.  Rewrite kernel-level
	struct stat to user-level form.
	* sysdeps/unix/sysv/linux/lxstat: New file.
	* sysdeps/unix/sysv/linux/xstat: New file.
	* sysdeps/unix/sysv/linux/kernel_stat.h: Define struct stat used in
	kernel.
	* sysdeps/unix/sysv/linux/statbuf.h (struct stat): Change definition
	to use prescribed types for elements.
	(_STAT_VER): Change to value 3.
	* sysdeps/unix/sysv/linux/alph/statbuf.h: Likewise.
	* sysdeps/unix/sysv/linux/Dist: Add kernel_stat.h.
	* sysdeps/unix/sysv/linux/alpha/Dist: Likewise.

	* time/Makefile: Correct dependencies for test-tz.

1997-03-16 14:59  Philip Blundell  <phil@london.uk.eu.org>

	* resolv/netdb.h: Add prototypes for gai_strerror and getnameinfo
	(needed for IPv6 basic sockets API).

1997-03-16 15:02  a sun  <asun@zoology.washington.edu>

	* sysdeps/unix/sysv/linux/net/if_ppp.h: Don't use incompatible
	kernel header.
	* sysdeps/unix/sysv/linux/net/ppp_defs.h: Likewise.

1997-03-14 17:15  Ulrich Drepper  <drepper@cygnus.com>

	* db/hash/hash_bigkey.c (__big_delete): Don't call __free_ovflpage
	without testing for last_bfp to be NULL.
	Reported by fabsoft@fabserver1.zarm.uni-bremen.de.

1997-03-13 11:42  Jim Meyering  <meyering@asic.sc.ti.com>

	* time/mktime.c (TIME_T_MIN): Work around a bug in Cray C 5.0.3.0.

1997-03-14 04:00  Kurt Garloff  <garloff@kg1.ping.de>

	* sysdeps/unix/sysv/linux/fcntlbits.h (O_FSYNC): Make alias for O_SYNC.
	(FASYNC): Move to __USE_BSD section.  Create new macro O_ASYNC.

1997-03-14 02:50  Ulrich Drepper  <drepper@cygnus.com>

	* nis/nss_nis/nis-hosts.c (_nss_nis_gethostbyname2_r): New
	functions.  Compare result for correct address type.
	(_nss_nis_gethostbyname_r): Use _nss_nis_gethostbyname2_r.
	Reported by Mirko Streckenbach <mirko@marian.hil.de>.

1997-02-17 01:40  Zlatko Calusic  <zcalusic@srce.hr>

	* time/strptime.c (recursive): Return rp to caller.
	(strptime_internal): First check for long names, then abbreviated
	(month & weekday).

1997-03-10 19:44  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makeconfig: Remove useless definitions of ASFLAGS-%.
	* config.make.in (ASFLAGS-.so): Remove.
	* configure.in: Don't substitute ASFLAGS_SO.
	* sysdeps/sparc/configure.in: Remove file.
	* sysdeps/sparc/Makefile (ASFLAGS-.so): Define.

1997-03-11 17:00  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* time/strptime.c (strptime_internal) [case 'Y']: Always subtract
	1900 from year, regardless of century.

1997-03-12 05:43  Ulrich Drepper  <drepper@cygnus.com>

	* stdlib/strtod.c (_tens_in_limb) [BITS_PER_MP_LIMB > 32]: Make
	all numbers unsigned to make buggy gccs happy.
	Patch by Bryan W. Headley <bheadley@interaccess.com>.

	* sysdeps/unix/sysv/linux/netinet/ip.h: Add backward-compatibility
	definitions.  Patch by a sun <asun@zoology.washington.edu>.
	Pretty print header.

	* Makerules (build-shlib): Also create symlink if library is versioned.
	based on a patch by H.J. Lu <hjl@gnu.ai.mit.edu>.
	Remove special rule to libc.so symlink.

1997-03-11 20:16  Andreas Jaeger  <aj@arthur.pfalz.de>

	* manual/math.texi (Domain and Range Errors): Change descriptions
	according to recent changes for ISO C 9X.

1997-03-11 22:39  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libm-ieee754/k_standard.c (__kernel_standard): Correct
	return values for acos, asin, and atan2.
	Reported by Andreas Jaeger <aj@arthur.pfalz.de>.

1997-03-10 18:16 Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* ypclnt.c (__yp_bind): Fix possible buffer overflow.

1997-03-10 18:06  Bernd Schmidt  <crux@Pool.Informatik.RWTH-Aachen.DE>

	* dirent/alphasort.c (alphasort): Interpret arguments as pointers
	to pointers to directory entries so that alphasort really can be
	used as argument for scandir.

1997-03-09 23:33  Andreas Jaeger  <aj@arthur.pfalz.de>

	* string/strdup.c: Declare memcpy if !(_LIBC || STDC_HEADERS)
	instead of strcpy.

1997-03-10 03:34  Ulrich Drepper  <drepper@cygnus.com>

	* catgets/catgets.c (catopen): Always add NLSPATH to search path for
	catalogs, not only if the envvar NLSPATH is not available.
	Reported by Andries.Brouwer@cwi.nl.

1997-03-10 02:46  Ulrich Drepper  <drepper@cygnus.com>

	* Makeconfig (localtime-file): Don't define using installation
	directory.
	(inst_localtime-file): New variable.
	* time/Makefile (installed-localtime-file): Use inst_localtime-file.
	Reported by Edward Seidl <seidl@janed.com>.

1997-03-10 02:31  H.J. Lu  <hjl@gnu.ai.mit.edu>

	* time/Makefile: Add source files to dependencies for test data.

1997-03-09 22:53  Thorsten Kukuk  <kukuk@weber.uni-paderborn.de>

	* nis/nss_nis/nis-ethers.c: Don't ignore return value of yp_all.
	* nis/nss_nis/nis-proto.c: Likewise.
	* nis/nss_nis/nis-rpc.c: Likewise.
	* nis/nss_nis/nis-service.c: Likewise.

1997-03-08 14:37  Miguel de Icaza  <miguel@nuclecu.unam.mx>

	* sysdeps/sparc/dl-machine.h (elf_machine_rela): Upgrade to
	versioning;  Added missing R_SPARC_WDISP30 handling.
	(RTLD_START): Implement it.

	* sysdeps/unix/sysv/linux/sparc/brk.c: Fix.

	* sysdeps/unix/sysv/linux/sparc/start.c: Startup code for
	Linux/SPARC.

1997-03-02 18:06  Miguel de Icaza  <miguel@nuclecu.unam.mx>

	* sysdeps/sparc/dl-machine.h (RTLD_START): Make arg as expected by
	the dynamic linker instead of having a new conditional define.
	Thanks to Richard Henderson for pointing this out.
	* elf/rtld.c: Remove usage of ELF_ADJUST_ARG.

1997-03-20 20:44  Thomas Bushnell, n/BSG  <thomas@gnu.ai.mit.edu>

	* sysdeps/mach/hurd/euidaccess.c: Define as __euidaccess and make
	euidaccess weak alias.

1997-03-07 10:30  Thomas Bushnell, n/BSG  <thomas@gnu.ai.mit.edu>

	* stdio-common/printf_fphex.c (MIN): New macro.

	* sysdeps/generic/netinet/in.h: Include <sys/types.h>.

	* sysdeps/generic/sys/mman.h (msync): Mention third arg.

	* sysdeps/generic/netinet/in.h: Add definitions for IPv6 basic
	API.  (See change by Philip Blundell on Feb 16, 1997.)

1997-03-05 10:40  Thomas Bushnell, n/BSG  <thomas@gnu.ai.mit.edu>

	* hurd/hurd.h (vpprintf): Include <stdarg.h>.  New declaration.

	* hurd/set-host.c (_hurd_set_host_config): Cast second arg to
	__file_name_split.

	* mach/mach_error.c (mach_error_string_int): Give full prototype.
	* mach/errstring.c (mach_error_string_int): Likewise.
	* mach/error_compat.c (__mach_error_map_compat): Likewise.
	* hurd/vpprintf.c (pwrite, vpprintf): Likewise.
	* stdio/vasprintf.c (vasprintf): Likewise.

	* mach/mach/mach_traps.h: Include <mach/kern_return.h>.

	* mach/spin-solid.c: Include <mach/mach_traps.h>.
	* mach/spin-solid.c (__spin_lock_solid): Provide arg to
	swtch_pri.

	* mach/mach_init.c: Include <mach/mig_support.h>.

	* mach/mach_error.h (mach_error_string, mach_error,
	mach_error_type): Always provide prototypes.

	* mach/mach/error.h (mach_error_fn_t): Comment out declaration; it
	appears to be entirely unused dead code.

	* stdio/stdio.h (freopen): Fix spelling error.

1997-03-02 13:38  Miles Bader  <miles@gnu.ai.mit.edu>

	* string/argz.h (__need_error_t): New macro, before including <errno.h>
	[!__const] (__const): New macro.
	[!__error_t_defined] (error_t): New typedef.

	* sysdeps/generic/socketbits.h: Add PF_FILE as synonym for PF_LOCAL
	* sysdeps/unix/sysv/linux/socketbits.h: Likewise.
1997-03-16 20:28:07 +00:00

431 lines
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C

/* Copyright (C) 1996, 1997 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 Library General Public
License as published by the Free Software Foundation; either
version 2 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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. 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>
/* This is necessary to make this include file properly replace the
Sun version. */
#include <rpc/netdb.h>
#define __need_size_t
#include <stddef.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. */
extern int h_errno;
/* Function to get address of global `h_errno' variable. */
extern int *__h_errno_location __P ((void)) __attribute__ ((__const__));
#ifdef _LIBC
/* Retain some binary compatibility with old libraries by having both the
global variable and the per-thread variable set on error. */
# ifdef _LIBC_REENTRANT
static inline int
__set_h_errno (int __err)
{
return *__h_errno_location () = h_errno = __err;
}
# else
# define __set_h_errno(x) (h_errno = (x))
# endif /* _LIBC_REENTRANT */
#endif /* _LIBC */
#if !defined _LIBC || defined _LIBC_REENTRANT
/* Use a macro to access always the thread specific `h_errno' variable. */
# define h_errno (*__h_errno_location ())
#endif
/* 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. */
/* Print error indicated by `h_errno' variable on standard error. STR
if non-null is printed before the error string. */
extern void herror __P ((__const char *__str));
/* Return string associated with error ERR_NUM. */
extern __const char *hstrerror __P ((int __err_num));
/* 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. */
extern void sethostent __P ((int __stay_open));
/* Close host data base files and clear `stay open' flag. */
extern void endhostent __P ((void));
/* Get next entry from host data base file. Open data base if
necessary. */
extern struct hostent *gethostent __P ((void));
/* Return entry from host data base which address match ADDR with
length LEN and type TYPE. */
extern struct hostent *gethostbyaddr __P ((__const char *__addr, int __len,
int __type));
/* Return entry from host data base for host with NAME. */
extern struct hostent *gethostbyname __P ((__const char *__name));
/* Return entry from host data base for host with NAME. AF must be
set to the address type which as `AF_INET' for IPv4 or `AF_INET6'
for IPv6. */
extern struct hostent *gethostbyname2 __P ((__const char *__name, int __af));
#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. */
extern int __gethostent_r __P ((struct hostent *__result_buf, char *__buf,
size_t __buflen, struct hostent **__result,
int *__h_errnop));
extern int gethostent_r __P ((struct hostent *__result_buf, char *__buf,
size_t __buflen, struct hostent **__result,
int *__h_errnop));
extern int __gethostbyaddr_r __P ((__const char *__addr, int __len, int __type,
struct hostent *__result_buf, char *__buf,
size_t __buflen, struct hostent **__result,
int *__h_errnop));
extern int gethostbyaddr_r __P ((__const char *__addr, int __len, int __type,
struct hostent *__result_buf, char *__buf,
size_t __buflen, struct hostent **__result,
int *__h_errnop));
extern int __gethostbyname_r __P ((__const char *__name,
struct hostent *__result_buf, char *__buf,
size_t __buflen, struct hostent **__result,
int *__h_errnop));
extern int gethostbyname_r __P ((__const char *__name,
struct hostent *__result_buf, char *__buf,
size_t __buflen, struct hostent **__result,
int *__h_errnop));
extern int __gethostbyname2_r __P ((__const char *__name, int __af,
struct hostent *__result_buf, char *__buf,
size_t __buflen, struct hostent **__result,
int *__h_errnop));
extern int gethostbyname2_r __P ((__const char *__name, int __af,
struct hostent *__result_buf, char *__buf,
size_t __buflen, struct hostent **__result,
int *__h_errnop));
#endif /* misc */
/* Description of data base entry for a single network. NOTE: here a
poor assumption is made. The network number is expected to fit
into an unsigned long int variable. */
struct netent
{
char *n_name; /* Official name of network. */
char **n_aliases; /* Alias list. */
int n_addrtype; /* Net address type. */
unsigned long int n_net; /* Network number. */
};
/* Open network data base files and mark them as staying open even
after a later search if STAY_OPEN is non-zero. */
extern void setnetent __P ((int __stay_open));
/* Close network data base files and clear `stay open' flag. */
extern void endnetent __P ((void));
/* Get next entry from network data base file. Open data base if
necessary. */
extern struct netent *getnetent __P ((void));
/* Return entry from network data base which address match NET and
type TYPE. */
extern struct netent *getnetbyaddr __P ((unsigned long int __net,
int __type));
/* Return entry from network data base for network with NAME. */
extern struct netent *getnetbyname __P ((__const char *__name));
#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. */
extern int __getnetent_r __P ((struct netent *__result_buf, char *__buf,
size_t __buflen, struct netent **__result,
int *__h_errnop));
extern int getnetent_r __P ((struct netent *__result_buf, char *__buf,
size_t __buflen, struct netent **__result,
int *__h_errnop));
extern int __getnetbyaddr_r __P ((unsigned long int __net, int __type,
struct netent *__result_buf, char *__buf,
size_t __buflen, struct netent **__result,
int *__h_errnop));
extern int getnetbyaddr_r __P ((unsigned long int __net, int __type,
struct netent *__result_buf, char *__buf,
size_t __buflen, struct netent **__result,
int *__h_errnop));
extern int __getnetbyname_r __P ((__const char *__name,
struct netent *__result_buf, char *__buf,
size_t __buflen, struct netent **__result,
int *__h_errnop));
extern int getnetbyname_r __P ((__const char *__name,
struct netent *__result_buf, char *__buf,
size_t __buflen, struct netent **__result,
int *__h_errnop));
#endif /* misc */
/* 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. */
extern void setservent __P ((int __stay_open));
/* Close service data base files and clear `stay open' flag. */
extern void endservent __P ((void));
/* Get next entry from service data base file. Open data base if
necessary. */
extern struct servent *getservent __P ((void));
/* Return entry from network data base for network with NAME and
protocol PROTO. */
extern struct servent *getservbyname __P ((__const char *__name,
__const char *__proto));
/* Return entry from service data base which matches port PORT and
protocol PROTO. */
extern struct servent *getservbyport __P ((int __port, __const char *__proto));
#ifdef __USE_MISC
/* Reentrant versions of the functions above. The additional
arguments specify a buffer of BUFLEN starting at BUF. */
extern int __getservent_r __P ((struct servent *__result_buf, char *__buf,
size_t __buflen, struct servent **__result));
extern int getservent_r __P ((struct servent *__result_buf, char *__buf,
size_t __buflen, struct servent **__result));
extern int __getservbyname_r __P ((__const char *__name, __const char *__proto,
struct servent *__result_buf, char *__buf,
size_t __buflen,
struct servent **__result));
extern int getservbyname_r __P ((__const char *__name, __const char *__proto,
struct servent *__result_buf, char *__buf,
size_t __buflen, struct servent **__result));
extern int __getservbyport_r __P ((int __port, __const char *__proto,
struct servent *__result_buf, char *__buf,
size_t __buflen,
struct servent **__result));
extern int getservbyport_r __P ((int __port, __const char *__proto,
struct servent *__result_buf, char *__buf,
size_t __buflen, struct servent **__result));
#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. */
extern void setprotoent __P ((int __stay_open));
/* Close protocol data base files and clear `stay open' flag. */
extern void endprotoent __P ((void));
/* Get next entry from protocol data base file. Open data base if
necessary. */
extern struct protoent *getprotoent __P ((void));
/* Return entry from protocol data base for network with NAME. */
extern struct protoent *getprotobyname __P ((__const char *__name));
/* Return entry from protocol data base which number is PROTO. */
extern struct protoent *getprotobynumber __P ((int __proto));
#ifdef __USE_MISC
/* Reentrant versions of the functions above. The additional
arguments specify a buffer of BUFLEN starting at BUF. */
extern int __getprotoent_r __P ((struct protoent *__result_buf, char *__buf,
size_t __buflen, struct protoent **__result));
extern int getprotoent_r __P ((struct protoent *__result_buf, char *__buf,
size_t __buflen, struct protoent **__result));
extern int __getprotobyname_r __P ((__const char *__name,
struct protoent *__result_buf, char *__buf,
size_t __buflen,
struct protoent **__result));
extern int getprotobyname_r __P ((__const char *__name,
struct protoent *__result_buf, char *__buf,
size_t __buflen,
struct protoent **__result));
extern int __getprotobynumber_r __P ((int __proto, struct protoent *__res_buf,
char *__buf, size_t __buflen,
struct protoent **__result));
extern int getprotobynumber_r __P ((int __proto, struct protoent *__result_buf,
char *__buf, size_t __buflen,
struct protoent **__result));
#endif /* misc */
/* Establish network group NETGROUP for enumeration. */
extern int setnetgrent __P ((__const char *__netgroup));
/* Free all space allocated by previous `setnetgrent' call. */
extern void endnetgrent __P ((void));
/* Get next member of netgroup established by last `setnetgrent' call
and return pointers to elements in HOSTP, USERP, and DOMAINP. */
extern int getnetgrent __P ((char **__hostp, char **__userp,
char **__domainp));
/* Test whether NETGROUP contains the triple (HOST,USER,DOMAIN). */
extern int innetgr __P ((__const char *__netgroup, __const char *__host,
__const char *__user, __const char *domain));
#ifdef __USE_MISC
/* Reentrant version of `getnetgrent' where result is placed in BUFFER. */
extern int __getnetgrent_r __P ((char **__hostp, char **__userp,
char **__domainp,
char *__buffer, size_t __buflen));
extern int getnetgrent_r __P ((char **__hostp, char **__userp,
char **__domainp,
char *__buffer, size_t __buflen));
#endif /* misc */
/* 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. */
int 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 1 /* Socket address is intended for `bind'. */
#define AI_CANONNAME 2 /* Request for canonical name. */
/* 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 NI_MAXHOST 1025
#define NI_MAXSERV 32
#define NI_NUMERICHOST 1
#define NI_NUMERICSERV 2
#define NI_NOFQDN 4
#define NI_NAMEREQD 8
#define NI_DGRAM 16
/* Translate name of a service location and/or a service name to set of
socket addresses. */
extern int getaddrinfo __P ((__const char *__name, __const char *__service,
__const struct addrinfo *__req,
struct addrinfo **__pai));
/* Free `addrinfo' structure AI including associated storage. */
extern void freeaddrinfo __P ((struct addrinfo *__ai));
/* Convert error return from getaddrinfo() to a string. */
extern char *gai_strerror __P ((int __ecode));
/* Translate a socket address to a location and service name. */
extern int getnameinfo __P ((__const struct sockaddr *__sa, size_t __salen,
char *__host, size_t __hostlen,
char *__serv, size_t __servlen,
int __flags));
#endif /* POSIX */
__END_DECLS
#endif /* netdb.h */