PDC_CACHE
if ((error = pdc_call((iodcio_t)pdc, 0, PDC_CACHE, PDC_CACHE_DFLT,
error = pdc_call((iodcio_t)pdc, 0, PDC_CACHE, PDC_CACHE_SETCS,
error = pdc_call((iodcio_t)pdc, 0, PDC_CACHE, PDC_CACHE_GETSPIDB,
if ((err = (*pdc)(PDC_CACHE, PDC_CACHE_DFLT, &pdc_cacheinfo)) < 0) {