#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>

size_t process_2(const char *str, const char *range) {
    size_t ans = 0;
    while (*str >= *range && *str <= *(range + 2) && *str != '\0') {
        ++str;
        ++ans;
    }
    return ans;
}