if (NUM_ATTR_BYTES % 4 != 3) {
NUM_ATTR_BYTES += (3 - (NUM_ATTR_BYTES % 4));
warning_numbered("NUM_ATTR_BYTES must be a multiple of four, plus three. Increasing to", NUM_ATTR_BYTES);
if (NUM_ATTR_BYTES % 4 != 3) {
NUM_ATTR_BYTES += (3 - (NUM_ATTR_BYTES % 4));
warning_numbered("NUM_ATTR_BYTES must be a multiple of four, plus three. Increasing to", NUM_ATTR_BYTES);