void num_to_bytebits(uint64_t n, size_t len, uint8_t *dest);
void num_to_bytebitsLSBF(uint64_t n, size_t len, uint8_t *dest);
char * printBits(size_t const size, void const * const ptr);
void num_to_bytebits(uint64_t n, size_t len, uint8_t *dest);
void num_to_bytebitsLSBF(uint64_t n, size_t len, uint8_t *dest);
char * printBits(size_t const size, void const * const ptr);