move_bits
static ssize_t move_bits(uint8_t *, int, uint32_t);
frame += move_bits(frame, 8, SYNCWORD);
frame += move_bits(frame, 8, config);
frame += move_bits(frame, 8, global_bitpool);
frame += move_bits(frame, 8, crc);
frame += move_bits(frame, 8, join);
frame += move_bits(frame, 4, join);
frame += move_bits(frame, 4, scalefactor[i][j]);
frame += move_bits(frame, bits[chan][sb],
frame += move_bits(frame, 0, 0);