int mangle_title (char arr[BLOCK_SIZE], int arr_len);
int generate_random_rule (char rule_buf[RP_RULE_BUFSIZ], u32 rp_gen_func_min, u32 rp_gen_func_max);
int apply_rule_cpu (char *rule, int rule_len, char in[BLOCK_SIZE], int in_len, char out[BLOCK_SIZE]);
int mangle_title (char arr[BLOCK_SIZE], int arr_len);
int generate_random_rule (char rule_buf[RP_RULE_BUFSIZ], u32 rp_gen_func_min, u32 rp_gen_func_max);
int apply_rule_cpu (char *rule, int rule_len, char in[BLOCK_SIZE], int in_len, char out[BLOCK_SIZE]);