ares_parse_ns_reply.3 2.0 KB

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  16. .TH ARES_PARSE_NS_REPLY 3 "10 February 2007"
  17. .SH NAME
  18. ares_parse_ns_reply \- Parse a reply to a DNS query of type NS into a hostent
  19. .SH SYNOPSIS
  20. .nf
  21. .B #include <ares.h>
  22. .PP
  23. .B int ares_parse_ns_reply(const unsigned char *\fIabuf\fP, int \fIalen\fP,
  24. .B struct hostent **\fIhost\fP);
  25. .fi
  26. .SH DESCRIPTION
  27. The
  28. .B ares_parse_ns_reply
  29. function parses the response to a query of type NS into a
  30. .BR "struct hostent" .
  31. The parameters
  32. .I abuf
  33. and
  34. .I alen
  35. give the contents of the response. The result is stored in allocated
  36. memory and a pointer to it stored into the variable pointed to by
  37. .IR host .
  38. The nameservers are stored into the
  39. .BR aliases
  40. field of the
  41. .IR host
  42. structure.
  43. It is the caller's responsibility to free the resulting host structure
  44. using
  45. .BR ares_free_hostent (3)
  46. when it is no longer needed.
  47. .SH RETURN VALUES
  48. .B ares_parse_ns_reply
  49. can return any of the following values:
  50. .TP 15
  51. .B ARES_SUCCESS
  52. The response was successfully parsed.
  53. .TP 15
  54. .B ARES_EBADRESP
  55. The response was malformatted.
  56. .TP 15
  57. .B ARES_ENODATA
  58. The response did not contain an answer to the query.
  59. .TP 15
  60. .B ARES_ENOMEM
  61. Memory was exhausted.
  62. .SH SEE ALSO
  63. .BR ares_query (3),
  64. .BR ares_free_hostent (3)
  65. .SH AUTHOR
  66. Written by Vlad Dinulescu <[email protected]>, on behalf of AVIRA Gmbh http://www.avira.com