cbor_string_handle
return cbor_build_stringn((const char *)cbor_string_handle(item),
fwrite(cbor_string_handle(item), (int)cbor_string_length(item), 1, out);
memcpy(buffer + written, cbor_string_handle(item), length);
cbor_string_handle(const cbor_item_t *item);
memcpy(*str, cbor_string_handle(item), len);
memcmp(cbor_string_handle(prev), cbor_string_handle(curr),