ares_expand_string man page on Alpinelinux

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ARES_EXPAND_NAME(3)					   ARES_EXPAND_NAME(3)

NAME
       ares_expand_string - Expand a length encoded string

SYNOPSIS
       #include <ares.h>

       int ares_expand_string(const unsigned char *encoded,
       const unsigned char *abuf, int alen, unsigned char **s,
	    long *enclen)

DESCRIPTION
       The  ares_expand_string	function converts a length encoded string to a
       NUL-terminated C string.	 The argument encoded gives the	 beginning  of
       the encoded string, 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-termiā€
       nated allocated buffer, a pointer to which is stored  in	 the  variable
       pointed	to  by	s.   The length of the encoded string is stored in the
       variable pointed to by enclen so that the caller can advance  past  the
       encoded string to read further data in the message.

RETURN VALUES
       ares_expand_string can return any of the following values:

       ARES_SUCCESS   Expansion of the encoded string succeeded.

       ARES_EBADSTR   The  encoded  string  was	 malformed  and	 could	not be
		      expanded.

       ARES_ENOMEM    Memory was exhausted.

SEE ALSO
       ares_free_string(3)

AUTHOR
       Dominick Meglio

				  20 Nov 2009		   ARES_EXPAND_NAME(3)
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