Help with Grammar

I'm trying to build a parser to generate a simple tokenized tree of the
standard C grammar. I'm getting these errors "has no declared type" from
Bison, but I'm not quite sure what is wrong. Can anyone enlighten me?


ftp://ftp.upright.net/gram.y


Also any other tips or comments as to the approach I'm using to build this
simple tree?


Thanks, Ian


p.s. no, this is not a school assignment, I'm looking to use this parse tree
for my own purposes
[You need to declare the type of every symbol that's referenced as $$ or $n,
keeping in mind that if you don't write an action for a rule, yacc pretends
you wrote $$ = $1;
-John]

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