printf("\n");
printf("-h , --help Print short help message and exit\n");
printf("-v , --verbose Be verbose. Use more than one -v for greater effect.\n");
printf("\n");
printf("-h , --help Print short help message and exit\n");
printf("-v , --verbose Be verbose. Use more than one -v for greater effect.\n");
printf("-o , --output <filename> Write output to file <filename>.\n");
printf("-V , --version Print version info and exit\n");
printf("\n");
printf("-o , --output <filename> Write output to file <filename>.\n");
printf("-V , --version Print version info and exit\n");
printf("\n");