.\"
.\" Copyright 1998 by the Massachusetts Institute of Technology.
.\" Copyright (C) 2004-2010 by Daniel Stenberg
.\" SPDX-License-Identifier: MIT
.\"
.TH ARES_FREE_DATA 3 "5 March 2010"
.SH NAME
ares_free_data \- Free data allocated by several c-ares functions
.SH SYNOPSIS
.nf
#include <ares.h>

void ares_free_data(void *\fIdataptr\fP)
.fi
.SH DESCRIPTION
.PP
The \fBares_free_data(3)\fP function frees one or more data structures
allocated and returned by several c-ares functions. Specifically the data
returned by the following list of functions must be deallocated using this
function.
.TP 5
.B ares_get_servers(3)
When used to free the data returned by \fIares_get_servers(3)\fP this will
free the whole linked list of ares_addr_node structures returned by
\fIares_get_servers(3)\fP.
.TP
.B ares_parse_srv_reply(3)
When used to free the data returned by \fIares_parse_srv_reply(3)\fP this will
free the whole linked list of ares_srv_reply structures returned by
\fIares_parse_srv_reply(3)\fP, along with any additional storage associated
with those structures.
.TP
.B ares_parse_mx_reply(3)
When used to free the data returned by \fIares_parse_mx_reply(3)\fP this will
free the whole linked list of ares_mx_reply structures returned by
\fIares_parse_mx_reply(3)\fP, along with any additional storage associated
with those structures.
.TP
.B ares_parse_txt_reply(3)
When used to free the data returned by \fIares_parse_txt_reply(3)\fP this will
free the whole linked list of ares_txt_reply structures returned by
\fIares_parse_txt_reply(3)\fP, along with any additional storage associated
with those structures.
.TP
.B ares_parse_soa_reply(3)
When used to free the data returned by \fIares_parse_soa_reply(3)\fP this will
free the ares_soa_reply structure, along with any additional storage
associated with those structure.
.B ares_parse_uri_reply(3)
When used to free the data returned by \fIares_parse_uri_reply(3)\fP this will
free list of ares_uri_reply structures, along with any additional storage
associated with those structure.
.SH RETURN VALUE
The \fIares_free_data(3)\fP function does not return a value.
.SH AVAILABILITY
This function was first introduced in c-ares version 1.7.0.
.SH SEE ALSO
.BR ares_get_servers (3),
.BR ares_parse_srv_reply (3),
.BR ares_parse_mx_reply (3),
.BR ares_parse_txt_reply (3),
.BR ares_parse_soa_reply (3)