problem with function trees

[Diego Novillo]

On Sat, 22 Sep 2001, Dave Morse wrote:

>   void set_nchicken( int n );
> 
> For the above function, I have a tree, t, with code FUNCTION_DECL.
> TREE_VALUE (TYPE_ARG_TYPES (t)) returns a tree which should be the type of
> the first argument.  TYPE_NAME of that returns null.  I was expecting a
> TYPE_DECL who describes the name of the type.
> 
t is a FUNCTION_DECL.  TYPE_ARG_TYPES (t) is, therefore,
meaningless.  You want TYPE_ARG_TYPES (TREE_TYPE (t)).  See
the documentation in tree.{h,def}.


Diego.