enc_do
enc_do(&dev_enc,
enc_do(&s->conv, s->convbuf, out, ocnt);
void enc_do(struct conv *, unsigned char *, unsigned char *, int);
enc_do(&s->sub.enc, s->sub.encbuf, (void *)enc_out, s->round);
enc_do(&d->enc, (unsigned char *)DEV_PBUF(d),
enc_do(&d->enc, (unsigned char *)DEV_PBUF(d),
void enc_do(struct conv *, unsigned char *, unsigned char *, int);