main.c

#include <stdio.h>
#include "integer_toolkit.h"

int main() {
    int number = 12345;

    printf("Original number: %d\n", number);
    printf("Number of digits: %u\n", intk_length(number));
    printf("Is number zero? %s\n", intk_is_empty(number) ? "Yes" : "No");
    printf("Is number in range (1000-20000)? %s\n", intk_in_range(number, 1000, 20000) ? "Yes" : "No");

    printf("First digit of %d: %d\n", number, intk_front(number));
    printf("Last digit of %d: %d\n", number, intk_back(number));
    printf("Digit at index 2 of %d: %d\n", number, intk_at(number, 2));

    printf("Does %d contain the digit 3? %s\n", number, intk_contains(number, 3) ? "Yes" : "No");
    printf("Does %d start with 12? %s\n", number, intk_startswith(number, 12) ? "Yes" : "No");
    printf("Does %d end with 45? %s\n", number, intk_endswith(number, 45) ? "Yes" : "No");
}