pdc_iodc_read
struct pdc_iodc_read *buf1, size_t sz1, struct iodc_data *buf2,
struct pdc_iodc_read *pir = (struct pdc_iodc_read *)&pdcret1;
struct pdc_iodc_read hm_pir;
struct pdc_iodc_read uca_pir;
int pdcproc_iodc_read(hppa_hpa_t, int, int *, struct pdc_iodc_read *, size_t,