#include <iostream>
#include <cstdlib>

using namespace std;
int main(int argc, char * argv[]) {
    int i;
    char * endPos;
    int tmp;

    for(i = 1;i<argc;i++) {

        // first print the value from atoi
        cout << argv[i] << " is the same as the number " 
	     << atoi(argv[i]) << endl;

        // a little more work, but the ability to validate the return value
        endPos = argv[i];

        tmp = strtol(argv[i], &endPos, 10);

	if (endPos == argv[i] ) {
	    cout << "\tNo conversion occured." << endl;
	} else if (*endPos == '\0') {
	    cout << "\tA valid conversion occured: " << tmp << endl;
	} else {
	    cout << "\tA partial conversion occured: " << tmp << endl;
	}

	cout << endl;
    }

    return 0;
}