for (i = 1; i < BUFSIZE; i *= 3) {
check_buf(NULL, buf, CHECK_ALL_LOW, i, NULL);
check_buf(options, buf, CHECK_ALL_LOW, i, &samplerate);
for (i = 1; i < BUFSIZE; i *= 3) {
check_buf(NULL, buf, CHECK_ALL_LOW, i, NULL);
check_buf(options, buf, CHECK_ALL_LOW, i, &samplerate);