#include <stdio.h>
#include <stdlib.h>

int main (int argc, char *argv[])
{
        if (argc != 2) {
                fprintf(stderr, "Usage:  %s <number>\n", argv[0]);
                exit(1);
        }

        printf("%s converts to: %d\n", argv[1], atoi(argv[1]));

        return 0;
} /* main() */