pdc_pim
pdcproc_pim(int type, struct pdc_pim *pp, void **buf, size_t *sz)
pimerror = pdcproc_pim(pdc_pim_type, &pdc_pim, &data, &size);
KASSERT(pdc_pim.count <= size);
struct pdc_pim pdc_pim;
int pdcproc_pim(int, struct pdc_pim *, void **, size_t *);