bpad
uint16_t aggr_limit = 0, al = 0, bpad = 0, al_delta, h_baw;
(aggr_limit < (al + bpad + al_delta + prev_al))) {
(al + bpad + al_delta + prev_al))) {
al += bpad + al_delta;
bpad = PADBYTES(al_delta) + (bf->bf_state.bfs_ndelim << 2);
bpad(pr);
void bpad(PR *);