// This program demonstrates the functio atoi inside stdlib.h
// This function converts Ascii (A) to Integer (I) - useful!
// In this function, we will print out all the command line arguments 
// given and then add them together to give the sum of the command 
// line arguments

#include <stdio.h>
// Include standard library stdlib.h to have access to tehe atoi function
#include <stdlib.h>

int main (int argc, char *argv[]) {
    int sum = 0;
    
    // Remember that the command line arguments are all strings, so if you 
    // need to do mathematical operations, you will need to convert them 
    // to numbers
    // You can do this with a really handy function atoi() in the stdlib.h library!
    printf("There are %d arguments", argc);
    // Let's print out all the command line arguments given and then add
    // them together to give the sum of the command line arguments
    for (int i = 1; i < argc; i++) {
        sum = sum + atoi(argv[i]);
    }

    printf("The sum of the arguments is %d\n", sum);
    
    return 0;
}