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glibc/resolv/netdb.h
Ulrich Drepper 6d52618b15 Update from main archive 961219 
Thu Dec 19 23:28:33 1996  Ulrich Drepper  <drepper@cygnus.com>

	* resolv/resolv.h: Update from BIND 4.9.5-P1.
	* resolv/res_comp.c: Likewise.
	* resolv/res_debug.c: Likewise.
	* resolv/Banner: Update version number.

Thu Dec 19 20:58:53 1996  Ulrich Drepper  <drepper@cygnus.com>

	* elf/dlfcn.h: Add extern "C" wrapper.

	* io/utime.h: Don't define NULL since this isn't allowed in POSIX.
	* io/sys/stat.h: Declare `lstat' only if __USE_BSD ||
	__USE_XOPEN_EXTENDED.
	* locale/locale.h: Define NULL.
	* math/math.c: Don't include <errno.h> to define math errors.
	* stdlib/stdlib.h: Likewise.
	* posix/unistd.h: Don't declare environ.
	* posix/sys/utsname.h (struct utsname): Declare member domainname
	as __domainname is !__USE_GNU.
	* signal/signal.h: Declare size_t only if __USE_BSD ||
	__USE_XOPEN_EXTENDED.
	* stdio/stdio.h: Don't declare cuserid when __USE_POSIX, but
	instead when __USE_XOPEN.
	* string/string.h: Define strndup only if __USE_GNU.
	* sysdeps/unix/sysv/linux/clock.c: New file.
	* sysdeps/unix/sysv/linux/timebits.h: Define CLOCKS_PER_SEC as
	1000000 per X/Open standard.
	* features.h: Add code to recognize _POSIX_C_SOURCE value 199309.
	Define __USE_POSIX199309.
	* posix/unistd.h: Declare fdatasync only if __USE_POSIX199309.
	* time/time.c: Declare nanosleep only if __USE_POSIX199309.
	Patches by Rüdiger Helsch <rh@unifix.de>.

	* locale/locale.h: Add declaration of newlocale and freelocale.

	* new-malloc/Makefile (distibute): Add mtrace.awk.
	(dist-routines): Add mcheck and mtrace.
	(install-lib, non-lib.a): Define as libmcheck.a.
	* new-malloc/malloc.h: Add declaration of __malloc_initialized.
	* new-malloc/mcheck.c: New file.
	* new-malloc/mcheck.h: New file.
	* new-malloc/mtrace.c: New file.
	* new-malloc/mtrace.awk: New file.

	* posix/unistd.h: Correct prototype for usleep.
	* sysdeps/unix/bsd/usleep.c: De-ANSI-declfy.  Correct return type.
	* sysdeps/unix/sysv/linux/usleep.c: Real implementation based on
	nanosleep.

	* signal/signal.h: Change protoype of __sigpause to take two
	arguments.  Remove prototype for sigpause.  Add two different
	macros named sigpause selected when __USE_BSD or __USE_XOPEN
	are defined.  This is necessary since the old BSD definition
	of theis function collides with the X/Open definition.
	* sysdeps/posix/sigpause.c: Change function definition to also
	fit X/Open definition.

	* sysdeps/libm-i387/e_exp.S: Make sure stack is empty when the
	function is left.
	* sysdeps/libm-i387/e_expl.S: Likewise.
	Patch by HJ Lu.

1996-12-17  Paul Eggert  <eggert@twinsun.com>

	* many, many files: Spelling corrections.
	* catgets/catgetsinfo.h (mmapped):
	Renamed from mmaped (in struct catalog_info.status).
	* mach/err_kern.sub (err_codes_unix), string/stratcliff.c (main):
	Fix spelling in message.
	* po/libc.pot: Fix spelling in message for `zic'; this anticipates
	a fix in the tzcode distribution.

Wed Dec 18 15:48:02 1996  Ulrich Drepper  <drepper@cygnus.com>

	* time/strftime.c: Implement ^ flag to cause output be converted
	to use upper case characters.

	* time/zic.c: Update from ADO tzcode1996n.

Wed Dec 18 14:29:24 1996  Erik Naggum  <erik@naggum.no>

	* time/strftime.c (add): Don't change global `i' until all is over.
	Define NULL is not already defined.

Tue Dec 17 09:49:03 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* libio/iovsprintf.c (_IO_vsprintf): Change `&sf' to `&sf._sbf._f'
	to avoid the need for a cast.
	* libio/iovsscanf.c (_IO_vsscanf): Likewise.

	* sunrpc/rpc/xdr.h: Add prototype for xdr_free.
1996-12-20 01:39:50 +00:00

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/* Copyright (C) 1996 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 __USE_REENTRANT && (!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_REENTRANT
/* 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 /* reentrant */
/* 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_REENTRANT
/* 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 /* reentrant */
/* 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_REENTRANT
/* 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 /* reentrant */
/* 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_REENTRANT
/* 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 /* reentrant */
/* 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_REENTRANT
/* 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
/* 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'. */
/* 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));
#endif /* POSIX */
__END_DECLS
#endif /* netdb.h */
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