ares_free_data (3)
Leading comments
Copyright 1998 by the Massachusetts Institute of Technology. Copyright (C) 2004-2010 by Daniel Stenberg Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of M.I.T. not be used in advertising or publicity pertaining to distribution o...
NAME
ares_free_data - Free data allocated by several c-ares functionsSYNOPSIS
#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.