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ARES_CREATE_QUERY(3)	   Library Functions Manual	  ARES_CREATE_QUERY(3)

NAME
       ares_create_query - Compose a single-question DNS query buffer

SYNOPSIS
       #include	<ares.h>

       int ares_create_query(const char	*name,
			     int dnsclass,
			     int type,
			     unsigned short id,
			     int rd,
			     unsigned char **buf,
			     int *buflen,
			     int max_udp_size)

DESCRIPTION
       This   function	 is   deprecated   as	of  c-ares  1.22,  please  use
       ares_dns_record_create(3) instead.

       The ares_create_query(3)	function composes a DNS	query  with  a	single
       question.   The parameter name gives the	query name as a	NUL-terminated
       C string	of period-separated labels optionally ending  with  a  period;
       periods and backslashes within a	label must be escaped with a backlash.

       The  parameters	dnsclass and type give the class and type of the query
       using the values	defined	in <arpa/nameser.h>.

       The parameter id	gives a	16-bit identifier for the query.

       The parameter rd	should be nonzero if recursion	is  desired,  zero  if
       not.

       The  query  will	 be  placed in an allocated buffer, a pointer to which
       will be stored in the variable pointed to by buf,  and  the  length  of
       which will be stored in the variable pointed to by buflen.

       It   is	 the   caller's	 responsibility	 to  free  this	 buffer	 using
       ares_free_string(3)  when  it  is  no  longer  needed.	The  parameter
       max_udp_size  should  be	 nonzero  to activate EDNS. Usage of ares_cre-
       ate_query(3) with max_udp_size set  to  zero  is	 equivalent  to	 using
       ares_mkquery(3).

RETURN VALUES
       ares_create_query can return any	of the following values:

       ARES_SUCCESS   Construction of the DNS query succeeded.

       ARES_ENOTFOUND The  query name name refers to a .onion domain name. See
		      RFC 7686.

       ARES_EBADNAME  The query	name name could	not be	encoded	 as  a	domain
		      name, either because it contained	a zero-length label or
		      because it contained a label of more than	63 characters.

       ARES_ENOMEM    Memory was exhausted.

AVAILABILITY
       Added in	c-ares 1.10.0

SEE ALSO
       ares_dns_record(3),  ares_expand_name(3), ares_free_string(3), ares_mk-
       query(3)

				  17 Aug 2012		  ARES_CREATE_QUERY(3)

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