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_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);