size_t max_str(const char *str, size_t *b) {
    size_t string = strlen(str);
    return (string>b) ? string : b;
}

size_t max_int(long long int a, size_t *b){
    char * buf;
    size_t len;

    char *buf = NULL;
    asprintf(&buf, "%lld", a);

    if (!b) {
        return 0;
    } else {
        len = strlen(buf);
    }
    free(buf);
    return (len>b) ? len : b;
}