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-.\" $Id$
-.\"
-.\" Copyright 1998, 2000 by the Massachusetts Institute of Technology.
-.\"
-.\" Permission to use, copy, modify, and distribute this
-.\" software and its documentation for any purpose and without
-.\" fee is hereby granted, provided that the above copyright
-.\" notice appear in all copies and that both that copyright
-.\" notice and this permission notice appear in supporting
-.\" documentation, and that the name of M.I.T. not be used in
-.\" advertising or publicity pertaining to distribution of the
-.\" software without specific, written prior permission.
-.\" M.I.T. makes no representations about the suitability of
-.\" this software for any purpose. It is provided "as is"
-.\" without express or implied warranty.
-.\"
-.TH ARES_MKQUERY 3 "20 Nov 2009"
-.SH NAME
-ares_mkquery \- Compose a single-question DNS query buffer
-.SH SYNOPSIS
-.nf
-.B #include <ares.h>
-.PP
-.B int ares_mkquery(const char *\fIname\fP, int \fIdnsclass\fP, int \fItype\fP,
-.B unsigned short \fIid\fP, int \fIrd\fP, unsigned char **\fIbuf\fP,
-.B int *\fIbuflen\fP)
-.fi
-.SH DESCRIPTION
-The
-.B ares_mkquery
-function composes a DNS query with a single question.
-The parameter
-.I 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
-.I dnsclass
-and
-.I type
-give the class and type of the query using the values defined in
-.BR <arpa/nameser.h> .
-The parameter
-.I id
-gives a 16-bit identifier for the query. The parameter
-.I 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
-.IR buf ,
-and the length of which will be stored in the variable pointed to by
-.IR buflen .
-It is the caller's responsibility to free this buffer using
-\fIares_free_string(3)\fP when it is no longer needed.
-.SH RETURN VALUES
-.B ares_mkquery
-can return any of the following values:
-.TP 15
-.B ARES_SUCCESS
-Construction of the DNS query succeeded.
-.TP 15
-.B ARES_EBADNAME
-The query name
-.I 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.
-.TP 15
-.B ARES_ENOMEM
-Memory was exhausted.
-.SH SEE ALSO
-.BR ares_expand_name (3),
-.BR ares_free_string (3)
-.SH AUTHOR
-Greg Hudson, MIT Information Systems
-.br
-Copyright 1998, 2000 by the Massachusetts Institute of Technology.