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curl/ares/ares_parse_srv_reply.3
Gunter Knauf f3611c2773 changed u_int16_t to unsigned short because it is the only place within ares and curl where such a type would be used;
also it broke many autobuilds. We should probably introduce an ares_port_t if we want to use a type here.
2009-09-05 15:12:30 +00:00

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.\"
.\" Copyright 1998 by the Massachusetts Institute of Technology.
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.\" 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_SRV_REPLY 3 "4 August 2009"
.SH NAME
ares_parse_srv_reply \- Parse a reply to a DNS query of type SRV into a
struct srv_reply
.SH SYNOPSIS
.nf
.B #include <ares.h>
.PP
.B int ares_parse_srv_reply(const unsigned char* \fIabuf\fP, int \fIalen\fP,
.B struct srv_reply** \fIsrv_out\fP, int *\fInsrvreply\fP);
.fi
.SH DESCRIPTION
The
.B ares_parse_srv_reply
function parses the response to a query of type SRV into a
.I struct srv_reply
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 srv_out .
The number of responses is stored into the variable pointed to by
.IR nsrvreply .
It is the caller's responsibility to free the resulting
.IR srv_out
structure when it is no longer needed.
.PP
The structure
.I srv_reply
contains the following fields:
.sp
.in +4n
.nf
struct srv_reply {
unsigned short weight;
unsigned short priority;
unsigned short port;
char *host;
};
.fi
.in
.PP
.SH RETURN VALUES
.B ares_parse_srv_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_query (3)
.SH AUTHOR
Written by Jakub Hrozek <jhrozek@redhat.com>, on behalf of Red Hat, Inc http://www.redhat.com