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- #include <ansidecl.h>
- #include <unistd.h>
- #include <stdio.h>
-
- int main (int argc, char **argv)
- {
- int aflag = 0;
- int bflag = 0;
- char *cvalue = NULL;
- int index;
- int c;
-
- while ((c = getopt (argc, argv, "abc:")) >= 0)
- switch (c) {
- case 'a':
- aflag = 1;
- break;
- case 'b':
- bflag = 1;
- break;
- case 'c':
- cvalue = optarg;
- break;
- case '?':
- #if 0
- fprintf (stderr, "Unknown option %c.\n", optopt);
- #else
- fputs ("Unknown option.\n", stderr);
- #endif
- return -1;
- default:
- fprintf (stderr, "This should never happen!\n");
- return -1;
- }
-
- printf ("aflag = %d, bflag = %d, cvalue = %s\n", aflag, bflag, cvalue);
-
- for (index = optind; index < argc; index++)
- printf ("Non-option argument %s\n", argv[index]);
- return 0;
- }
-