pdu_readbuf
struct pdu_readbuf prbuf;
int pdu_readbuf_set(struct pdu_readbuf *, size_t);
void pdu_readbuf_free(struct pdu_readbuf *);
size_t pdu_readbuf_read(struct pdu_readbuf *, void *, size_t);
size_t pdu_readbuf_len(struct pdu_readbuf *);
pdu_readbuf_read(struct pdu_readbuf *rb, void *ptr, size_t len)
pdu_readbuf_len(struct pdu_readbuf *rb)
pdu_readbuf_set(struct pdu_readbuf *rb, size_t bsize)
pdu_readbuf_free(struct pdu_readbuf *rb)