nep_block
struct nep_block *rb;
sc->sc_rb = malloc(sizeof(struct nep_block) * NEP_NRBDESC,
struct nep_block *rb;
free(sc->sc_rb, M_DEVBUF, sizeof(struct nep_block) * NEP_NRBDESC);
struct nep_block *rb;
struct nep_block *sc_rb;