-/* In tree-pretty-print.c */
-extern int dump_generic_node (pretty_printer *, tree, int, int, bool);
-extern void print_generic_stmt (FILE *, tree, int);
-extern void print_generic_stmt_indented (FILE *, tree, int, int);
-extern void print_generic_expr (FILE *, tree, int);
-extern void print_generic_decl (FILE *, tree, int);
-
-extern void debug_generic_expr (tree);
-extern void debug_generic_stmt (tree);
-extern void debug_tree_chain (tree);
-extern void debug_c_tree (tree);