8
main (int argc, char **argv)
20
while ((c = getopt (argc, argv, "abc:")) != -1)
34
fprintf (stderr, "Option -%c requires an argument.\n", optopt);
35
else if (isprint (optopt))
36
fprintf (stderr, "Unknown option `-%c'.\n", optopt);
39
"Unknown option character `\\x%x'.\n",
48
printf ("aflag = %d, bflag = %d, cvalue = %s\n",
49
aflag, bflag, cvalue);
51
for (index = optind; index < argc; index++)
52
printf ("Non-option argument %s\n", argv[index]);