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.\"
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.\" Copyright 1998 by the Massachusetts Institute of Technology.
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.\" Copyright (C) 2004-2010 by Daniel Stenberg
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.\"
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.\" Permission to use, copy, modify, and distribute this
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.\" software and its documentation for any purpose and without
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.\" fee is hereby granted, provided that the above copyright
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.\" notice appear in all copies and that both that copyright
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.\" notice and this permission notice appear in supporting
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.\" documentation, and that the name of M.I.T. not be used in
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.\" advertising or publicity pertaining to distribution of the
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.\" software without specific, written prior permission.
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.\" M.I.T. makes no representations about the suitability of
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.\" this software for any purpose. It is provided "as is"
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.\" without express or implied warranty.
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.\"
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.TH ARES_FREE_DATA 3 "5 March 2010"
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.SH NAME
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ares_free_data \- Free data allocated by several c-ares functions
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.SH SYNOPSIS
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.nf
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.B #include <ares.h>
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.PP
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.B void ares_free_data(void *\fIdataptr\fP)
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.PP
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.B cc file.c -lcares
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.fi
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.SH DESCRIPTION
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.PP
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The
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.B ares_free_data(3)
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function frees one or more data structures allocated and returned
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by several c-ares functions. Specifically the data returned by the
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following list of functions must be deallocated using this function.
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.TP 5
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.B ares_get_servers(3)
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When used to free the data returned by ares_get_servers(3) this
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will free the whole linked list of ares_addr_node structures returned
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by ares_get_servers(3).
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.TP
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.B ares_parse_srv_reply(3)
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When used to free the data returned by ares_parse_srv_reply(3) this
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will free the whole linked list of ares_srv_reply structures returned
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by ares_parse_srv_reply(3), along with any additional storage
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associated with those structures.
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.TP
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.B ares_parse_mx_reply(3)
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When used to free the data returned by ares_parse_mx_reply(3) this
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will free the whole linked list of ares_mx_reply structures returned
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by ares_parse_mx_reply(3), along with any additional storage
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associated with those structures.
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.TP
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.B ares_parse_txt_reply(3)
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When used to free the data returned by ares_parse_txt_reply(3) this
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will free the whole linked list of ares_txt_reply structures returned
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by ares_parse_txt_reply(3), along with any additional storage
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associated with those structures.
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.TP
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.B ares_parse_soa_reply(3)
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When used to free the data returned by ares_parse_soa_reply(3) this
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will free the ares_soa_reply structure, along with any additional storage
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associated with those structure.
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.SH RETURN VALUE
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The ares_free_data() function does not return a value.
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.SH AVAILABILITY
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This function was first introduced in c-ares version 1.7.0.
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.SH SEE ALSO
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.BR ares_get_servers(3),
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.BR ares_parse_srv_reply(3),
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.BR ares_parse_mx_reply(3),
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.BR ares_parse_txt_reply(3),
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.BR ares_parse_soa_reply(3)
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.SH AUTHOR
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Yang Tse
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.PP
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Copyright 1998 by the Massachusetts Institute of Technology.
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.br
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Copyright (C) 2004-2010 by Daniel Stenberg.
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