NAME

       ares_free_data - Free data allocated by several c-ares functions

SYNOPSIS

       #include <ares.h>

       void ares_free_data(void *dataptr)

       cc file.c -lcares

DESCRIPTION

       The ares_free_data(3) 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.

       ares_get_servers(3)
            When  used  to free the data returned by ares_get_servers(3) this will free the whole
            linked list of ares_addr_node structures returned by ares_get_servers(3).

       ares_parse_srv_reply(3)
            When used to free the data returned by ares_parse_srv_reply(3)  this  will  free  the
            whole  linked  list of ares_srv_reply structures returned by ares_parse_srv_reply(3),
            along with any additional storage associated with those structures.

       ares_parse_mx_reply(3)
            When used to free the data returned by  ares_parse_mx_reply(3)  this  will  free  the
            whole  linked  list  of  ares_mx_reply structures returned by ares_parse_mx_reply(3),
            along with any additional storage associated with those structures.

       ares_parse_txt_reply(3)
            When used to free the data returned by ares_parse_txt_reply(3)  this  will  free  the
            whole  linked  list of ares_txt_reply structures returned by ares_parse_txt_reply(3),
            along with any additional storage associated with those structures.

       ares_parse_soa_reply(3)
            When used to free the data returned by ares_parse_soa_reply(3)  this  will  free  the
            ares_soa_reply  structure,  along  with  any additional storage associated with those
            structure.

RETURN VALUE

       The ares_free_data() function does not return a value.

AVAILABILITY

       This function was first introduced in c-ares version 1.7.0.

SEE ALSO

       ares_get_servers(3),           ares_parse_srv_reply(3),            ares_parse_mx_reply(3),
       ares_parse_txt_reply(3), ares_parse_soa_reply(3)

AUTHOR

       Yang Tse

       Copyright 1998 by the Massachusetts Institute of Technology.
       Copyright (C) 2004-2010 by Daniel Stenberg.

                                           5 March 2010                         ARES_FREE_DATA(3)