/* Figure out how many bytes we can safely copy */
bytes_to_copy = left_in_to_buffer <= left_in_from_buffer ?
left_in_to_buffer : left_in_from_buffer;
/* Figure out how many bytes we can safely copy */
bytes_to_copy = left_in_to_buffer <= left_in_from_buffer ?
left_in_to_buffer : left_in_from_buffer;