inputs of scanf?
int main(int argc, char** argv) {
    if (!(argc == 2 || argc == 3)) {
        fprintf(stderr, "USAGE: count_large size [permissions]\n");
        return 1;
    }
    if (argc == 2) {
        char line[32];
        while (fgets(line, 32, stdin) != NULL) {
            printf("%s", line);
        }
    }

    return 0;
}