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-.\"
-.\" Copyright (C) 2000, 2001 Internet Software Consortium.
-.\"
-.\" Permission to use, copy, modify, and distribute this software for any
-.\" purpose with or without fee is hereby granted, provided that the above
-.\" copyright notice and this permission notice appear in all copies.
-.\"
-.\" THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
-.\" DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
-.\" INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
-.\" INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
-.\" FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
-.\" NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
-.\" WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-.\"
-.TH "LWRES_GETNAMEINFO" "3" "Jun 30, 2000" "BIND9" ""
-.SH NAME
-lwres_getnameinfo \- lightweight resolver socket address structure to hostname and service name
-.SH SYNOPSIS
-\fB#include <lwres/netdb.h>
-.sp
-.na
-int
-lwres_getnameinfo(const struct sockaddr *sa, size_t salen, char *host, size_t hostlen, char *serv, size_t servlen, int flags);
-.ad
-\fR.SH "DESCRIPTION"
-.PP
-This function is equivalent to the \fBgetnameinfo\fR(3) function defined in RFC2133.
-\fBlwres_getnameinfo()\fR returns the hostname for the
-\fBstruct sockaddr\fR \fIsa\fR which is
-\fIsalen\fR bytes long. The hostname is of length
-\fIhostlen\fR and is returned via
-\fI*host.\fR The maximum length of the hostname is
-1025 bytes: NI_MAXHOST.
-.PP
-The name of the service associated with the port number in
-\fIsa\fR is returned in \fI*serv.\fR
-It is \fIservlen\fR bytes long. The maximum length
-of the service name is NI_MAXSERV - 32 bytes.
-.PP
-The \fIflags\fR argument sets the following
-bits:
-.TP
-\fBNI_NOFQDN\fR
-A fully qualified domain name is not required for local hosts.
-The local part of the fully qualified domain name is returned instead.
-.TP
-\fBNI_NUMERICHOST\fR
-Return the address in numeric form, as if calling inet_ntop(),
-instead of a host name.
-.TP
-\fBNI_NAMEREQD\fR
-A name is required. If the hostname cannot be found in the DNS and
-this flag is set, a non-zero error code is returned.
-If the hostname is not found and the flag is not set, the
-address is returned in numeric form.
-.TP
-\fBNI_NUMERICSERV\fR
-The service name is returned as a digit string representing the port number.
-.TP
-\fBNI_DGRAM\fR
-Specifies that the service being looked up is a datagram
-service, and causes getservbyport() to be called with a second
-argument of "udp" instead of its default of "tcp". This is required
-for the few ports (512-514) that have different services for UDP and
-TCP.
-.SH "RETURN VALUES"
-.PP
-\fBlwres_getnameinfo()\fR
-returns 0 on success or a non-zero error code if an error occurs.
-.SH "SEE ALSO"
-.PP
-\fBRFC2133\fR,
-\fBgetservbyport\fR(3),
-\fBlwres\fR(3),
-\fBlwres_getnameinfo\fR(3),
-\fBlwres_getnamebyaddr\fR(3).
-\fBlwres_net_ntop\fR(3).
-.SH "BUGS"
-.PP
-RFC2133 fails to define what the nonzero return values of
-\fBgetnameinfo\fR(3)
-are.