box_bit_width 48 lib/packing.c int box_bit_width = *box_start_bit - *box_end_bit + 1; box_bit_width 52 lib/packing.c *to_write = bit_reverse(*to_write, box_bit_width); box_bit_width 55 lib/packing.c new_box_end_bit = box_bit_width - *box_start_bit - 1; box_bit_width 56 lib/packing.c new_box_start_bit = box_bit_width - *box_end_bit - 1;