66 строки
1.9 KiB
Groff
66 строки
1.9 KiB
Groff
|
.\" $Id$
|
||
|
|
.\"
|
||
|
|
.\" Copyright 1998 by the Massachusetts Institute of Technology.
|
||
|
|
.\"
|
||
|
|
.\" Permission to use, copy, modify, and distribute this
|
||
|
|
.\" software and its documentation for any purpose and without
|
||
|
|
.\" fee is hereby granted, provided that the above copyright
|
||
|
|
.\" notice appear in all copies and that both that copyright
|
||
|
|
.\" notice and this permission notice appear in supporting
|
||
|
|
.\" documentation, and that the name of M.I.T. not be used in
|
||
|
|
.\" advertising or publicity pertaining to distribution of the
|
||
|
|
.\" software without specific, written prior permission.
|
||
|
|
.\" M.I.T. makes no representations about the suitability of
|
||
|
|
.\" this software for any purpose. It is provided "as is"
|
||
|
|
.\" without express or implied warranty.
|
||
|
|
.\"
|
||
|
|
.TH ARES_PARSE_A_REPLY 3 "25 July 1998"
|
||
|
|
.SH NAME
|
||
|
|
ares_parse_a_reply \- Parse a reply to a DNS query of type A into a hostent
|
||
|
|
.SH SYNOPSIS
|
||
|
|
.nf
|
||
|
|
.B #include <ares.h>
|
||
|
|
.PP
|
||
|
|
.B
|
||
|
|
int ares_parse_a_reply(const unsigned char *\fIabuf\fB, int \fIalen\fB,
|
||
|
|
.B struct hostent **\fIhost\fB);
|
||
|
|
.fi
|
||
|
|
.SH DESCRIPTION
|
||
|
|
The
|
||
|
|
.B ares_parse_a_reply
|
||
|
|
function parses the response to a query of type A into a
|
||
|
|
.BR "struct hostent" .
|
||
|
|
The parameters
|
||
|
|
.I abuf
|
||
|
|
and
|
||
|
|
.I alen
|
||
|
|
give the contents of the response. The result is stored in allocated
|
||
|
|
memory and a pointer to it stored into the variable pointed to by
|
||
|
|
.IR host .
|
||
|
|
It is the caller's responsibility to free the resulting host structure
|
||
|
|
using
|
||
|
|
.BR ares_free_hostent (3)
|
||
|
|
when it is no longer needed.
|
||
|
|
.SH RETURN VALUES
|
||
|
|
.B ares_parse_a_reply
|
||
|
|
can return any of the following values:
|
||
|
|
.TP 15
|
||
|
|
.B ARES_SUCCESS
|
||
|
|
The response was successfully parsed.
|
||
|
|
.TP 15
|
||
|
|
.B ARES_EBADRESP
|
||
|
|
The response was malformatted.
|
||
|
|
.TP 15
|
||
|
|
.B ARES_ENODATA
|
||
|
|
The response did not contain an answer to the query.
|
||
|
|
.TP 15
|
||
|
|
.B ARES_ENOMEM
|
||
|
|
Memory was exhausted.
|
||
|
|
.SH SEE ALSO
|
||
|
|
.BR ares_gethostbyname (3),
|
||
|
|
.BR ares_free_hostent (3)
|
||
|
|
.SH AUTHOR
|
||
|
|
Greg Hudson, MIT Information Systems
|
||
|
|
.br
|
||
|
|
Copyright 1998 by the Massachusetts Institute of Technology.
|