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66 lines
2.3 KiB
66 lines
2.3 KiB
.\" $Id$ |
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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_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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.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_txt_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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