put_bcc
put_bcc(wdata->subreq.len + 1, &req->hdr);
put_bcc(wdata->subreq.len + 5, &reqw->hdr);
put_bcc(1, &smb->hdr);
put_bcc(0, in_buf);
put_bcc(count, smb_buf);
put_bcc(byte_count, target_hdr);