DEV_PBUF
odata = DEV_PBUF(d);
base = (unsigned char *)DEV_PBUF(d);
enc_do(&d->enc, (unsigned char *)DEV_PBUF(d),
base = (unsigned char *)DEV_PBUF(d);
enc_do(&d->enc, (unsigned char *)DEV_PBUF(d),
base = d->encbuf ? d->encbuf : (unsigned char *)DEV_PBUF(d);