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diff --git a/stand/forth/pcibios.4th b/stand/forth/pcibios.4th
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+\ Copyright (c) 2014 M. Warner Losh <imp@FreeBSD.org>
+\ All rights reserved.
+\
+\ Redistribution and use in source and binary forms, with or without
+\ modification, are permitted provided that the following conditions
+\ are met:
+\ 1. Redistributions of source code must retain the above copyright
+\    notice, this list of conditions and the following disclaimer.
+\ 2. Redistributions in binary form must reproduce the above copyright
+\    notice, this list of conditions and the following disclaimer in the
+\    documentation and/or other materials provided with the distribution.
+\
+\ THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+\ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+\ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+\ ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+\ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+\ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+\ OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+\ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+\ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+\ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+\ SUCH DAMAGE.
+\
+\ $FreeBSD$
+
+only forth also support-functions also builtins definitions
+
+\ pci-device-count pci-id
+\
+\ Counts the number of instances of pci-id in the system and reports
+\ it to the user.
+: pci-device-count
+  0= if ( interpreted ) get_arguments then
+
+  0= if ." Need an argument" cr abort then
+  \ First argument is 0 when we're interprated.  See support.4th
+  \ for get_arguments reading the rest of the line and parsing it
+  \ stack: argN lenN ... arg1 len1 N
+  hex ?number decimal 
+  0= if ." Bad pci-id given (must be legal hex value)" cr abort then
+  dup pcibios-device-count ." Found " . ." instances of " hex . decimal cr
+;
+
+also forth definitions also builtins
+
+builtin: pci-device-count