BZ_FINISH_OK
BZE(BZ_FINISH_OK) \
if (ret != BZ_FINISH_OK && ret != BZ_STREAM_END)
if (ret == BZ_FINISH_OK) goto output_overflow;
s->state_out_pos < s->numZ) return BZ_FINISH_OK;
if (rc != BZ_FINISH_OK) {