int der_copy_visible_string (const heim_visible_string *from, heim_visible_string *to) { return der_copy_general_string(from, to); }
int der_copy_utf8string (const heim_utf8_string *from, heim_utf8_string *to) { return der_copy_general_string(from, to); }
int der_copy_ia5_string (const heim_printable_string *from, heim_printable_string *to) { return der_copy_general_string(from, to); }