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ares_expand_name
Langue: en
Version: 23 July 1998 (debian - 07/07/09)
Section: 3 (Bibliothèques de fonctions)
NAME
ares_expand_name - Expand a DNS-encoded domain nameSYNOPSIS
#include <ares.h> int ares_expand_name(const unsigned char *encoded, const unsigned char *abuf, int alen, char **s, int *enclen)
DESCRIPTION
Theares_expand_name function converts a DNS-encoded domain name to a dot-separated C string. The argument encoded gives the beginning of the encoded domain name, and the arguments abuf and alen give the containing message buffer (necessary for the processing of indirection pointers within the encoded domain name). The result is placed in a NUL-terminated allocated buffer, a pointer to which is stored in the variable pointed to by s. The length of the encoded name is stored in the variable pointed to by enclen so that the caller can advance past the encoded domain name to read further data in the message.
RETURN VALUES
ares_expand_name can return any of the following values:- ARES_SUCCESS
- Expansion of the encoded name succeeded.
- ARES_EBADNAME
- The encoded domain name was malformed and could not be expanded.
- ARES_ENOMEM
- Memory was exhausted.
SEE ALSO
ares_mkquery(3)AUTHOR
Greg Hudson, MIT Information SystemsCopyright 1998 by the Massachusetts Institute of Technology.
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