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-.\" $Id: bitncmp.mdoc,v 8.3 2001/08/08 07:50:21 marka Exp $
-.\"
-.\"Copyright (c) 1996,1999 by Internet Software Consortium.
-.\"
-.\"Permission to use, copy, modify, and distribute this software for any
-.\"purpose with or without fee is hereby granted, provided that the above
-.\"copyright notice and this permission notice appear in all copies.
-.\"
-.\"THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
-.\"ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
-.\"OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
-.\"CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
-.\"DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
-.\"PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
-.\"ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
-.\"SOFTWARE.
-.\"
-.Dd June 1, 1996
-.Dt BITNCMP 3
-.Os BSD 4
-.Sh NAME
-.Nm bitncmp
-.Nd compare bit masks
-.Sh SYNOPSIS
-.Ft int
-.Fn bitncmp "const void *l" "const void *r" "int n"
-.Sh DESCRIPTION
-The function
-.Fn bitncmp
-compares the
-.Dq Fa n
-most-significant bits of the two masks pointed to by
-.Dq Fa l
-and
-.Dq Fa r ,
-and returns an integer less than, equal to, or greater than 0, according to
-whether or not
-.Dq Fa l
-is lexicographically less than, equal to, or greater than
-.Dq Fa r
-when taken to be unsigned characters (this behaviour is just like that of
-.Xr memcmp 3 ) .
-.Pp
-.Sy NOTE :
-.Fn Bitncmp
-assumes
-.Sy network byte order ;
-this means that the fourth octet of
-.Li 192.5.5.240/28
-.Li 0x11110000 .
-.Sh RETURN VALUES
-.Fn Bitncmp
-returns values in the manner of
-.Xr memcmp 3 :
-.Bd -ragged -offset indent
-+1 if
-.Dq Fa 1
-is greater than
-.Dq Fa r ;
-.Pp
--1 if
-.Dq Fa l
-is less than
-.Dq Fa r ;
-and
-.Pp
-0 if
-.Dq Fa l
-is equal to
-.Dq Fa r ,
-.Ed
-.Pp
-where
-.Dq Fa l
-and
-.Dq Fa r
-are both interpreted as strings of unsigned characters (through bit
-.Dq Fa n . )
-.Sh SEE ALSO
-.Xr memcmp 3 .
-.Sh AUTHOR
-Paul Vixie (ISC).
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