rem: struct hash_entry *cursor = bucket; unsigned bucket_length = 1;
add: struct hash_entry const *cursor = bucket; size_t bucket_length = 1;
context: hash_get_max_bucket_length (const Hash_table *table){  struct hash_entry *bucket;  unsigned max_bucket_length = 0;  for (bucket = table->bucket; bucket < table->bucket_limit; bucket++)    {      if (bucket->data)	{	  struct hash_entry *cursor = bucket;	  unsigned bucket_length = 1;	  while (cursor = cursor->next, cursor)	    bucket_length++;	  if (bucket_length > max_bucket_length)	    max_bucket_length = bucket_length;	}    }  return max_bucket_length;}