type_signed_char_ptr = make_pointer_type(type_signed_char, TYPE_QUALIFIER_NONE);
type_short_ptr = make_pointer_type(type_short, TYPE_QUALIFIER_NONE);
type_int_ptr = make_pointer_type(type_int, TYPE_QUALIFIER_NONE);
type_long_ptr = make_pointer_type(type_long, TYPE_QUALIFIER_NONE);
type_signed_char_ptr = make_pointer_type(type_signed_char, TYPE_QUALIFIER_NONE);
type_short_ptr = make_pointer_type(type_short, TYPE_QUALIFIER_NONE);
type_int_ptr = make_pointer_type(type_int, TYPE_QUALIFIER_NONE);
type_long_ptr = make_pointer_type(type_long, TYPE_QUALIFIER_NONE);