Wanted: YACC Grammer for C/C++

[Steve R Calwas]

I am looking for a public domain or inexpensive YACC grammer definition for
C and/or C++.  LEX definitions of same are also desired.  Anyone having
information about sources for these would be much appreciated.  E-mail or
post.  (For example, is a YACC grammer for C a part of the ANSI committee's
output?)  Thanks for any help.

Steve Calwas				src at cup.portal.com
Santa Clara, CA				...!sun!cup.portal.com!src