2 .\" Copyright 1998 by the Massachusetts Institute of Technology.
4 .\" Permission to use, copy, modify, and distribute this
5 .\" software and its documentation for any purpose and without
6 .\" fee is hereby granted, provided that the above copyright
7 .\" notice appear in all copies and that both that copyright
8 .\" notice and this permission notice appear in supporting
9 .\" documentation, and that the name of M.I.T. not be used in
10 .\" advertising or publicity pertaining to distribution of the
11 .\" software without specific, written prior permission.
12 .\" M.I.T. makes no representations about the suitability of
13 .\" this software for any purpose. It is provided "as is"
14 .\" without express or implied warranty.
16 .TH ARES_PARSE_PTR_REPLY 3 "25 July 1998"
18 ares_parse_ptr_reply \- Parse a reply to a DNS query of type PTR into a hostent
23 .B int ares_parse_ptr_reply(const unsigned char *\fIabuf\fP, int \fIalen\fP,
24 .B const void *\fIaddr\fP, int \fIaddrlen\fP, int \fIfamily\fP,
25 .B struct hostent **\fIhost\fP);
29 .B ares_parse_ptr_reply
30 function parses the response to a query of type PTR into a
31 .BR "struct hostent" .
36 give the contents of the response. The parameters
41 specify which address was queried for; they are not used to verify the
42 response, merely used to fill in the address of the
43 .BR "struct hostent" .
46 is stored in allocated memory and a pointer to it stored into the
47 variable pointed to by
49 It is the caller's responsibility to free the resulting host structure
51 .BR ares_free_hostent (3)
52 when it is no longer needed.
54 .B ares_parse_ptr_reply
55 can return any of the following values:
58 The response was successfully parsed.
61 The response was malformatted.
64 The response did not contain an answer to the query.
69 .BR ares_gethostbyaddr (3),
70 .BR ares_free_hostent (3)
72 Greg Hudson, MIT Information Systems
74 Copyright 1998 by the Massachusetts Institute of Technology.