pcmcia_cis_read_1
tuple.code = pcmcia_cis_read_1(&tuple, tuple.ptr);
tuple.length = pcmcia_cis_read_1(&tuple, tuple.ptr + 1);
tuple.code = pcmcia_cis_read_1(&tuple, tuple.ptr);
tuple.length = pcmcia_cis_read_1(&tuple, tuple.ptr + 1);
(pcmcia_cis_read_1((tuple), ((tuple)->ptr+(2+(idx1)))))