-void pp_c_expression PARAMS ((c_pretty_printer, tree));
-void pp_c_logical_or_expression PARAMS ((c_pretty_printer, tree));
-void pp_c_expression_list PARAMS ((c_pretty_printer, tree));
-void pp_c_cast_expression PARAMS ((c_pretty_printer, tree));
-void pp_c_postfix_expression PARAMS ((c_pretty_printer, tree));
-void pp_c_initializer PARAMS ((c_pretty_printer, tree));
-void pp_c_literal PARAMS ((c_pretty_printer, tree));
+void pp_c_expression (c_pretty_printer *, tree);
+void pp_c_logical_or_expression (c_pretty_printer *, tree);
+void pp_c_expression_list (c_pretty_printer *, tree);
+void pp_c_constructor_elts (c_pretty_printer *, VEC(constructor_elt,gc) *);
+void pp_c_call_argument_list (c_pretty_printer *, tree);
+void pp_c_unary_expression (c_pretty_printer *, tree);
+void pp_c_cast_expression (c_pretty_printer *, tree);
+void pp_c_postfix_expression (c_pretty_printer *, tree);
+void pp_c_primary_expression (c_pretty_printer *, tree);
+void pp_c_init_declarator (c_pretty_printer *, tree);
+void pp_c_constant (c_pretty_printer *, tree);
+void pp_c_id_expression (c_pretty_printer *, tree);
+void pp_c_identifier (c_pretty_printer *, const char *);
+void pp_c_string_literal (c_pretty_printer *, tree);
+
+void print_c_tree (FILE *file, tree t);