int dubs_checker_set_num ( dubs_checker_t * dubs_checker, unsigned long long int num) { ( * dubs_checker ) . num=num ; return 1; }
int dubs_checker_check ( dubs_checker_t * dubs_checker ) { unsigned long long int num = ( * dubs_checker) .num ; return num > 10 && num % 10 == ( num / 10 % 10 ) ; }