caesar.c

#include <cs50.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>

int main(int argc, string argv[]) {

    if (argc != 2) {
        printf("Error, try again");
        return 1;
    }
    return 0;

    // make k into an int
    int k = atoi(argv[1]);

    // prompt user for plaintext
    printf("plaintext: ");
    string p = get_string();
    }
}