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- /*
- * Allusions for AT&T's public domain getopt() function.
- *
- * opterr - flag to tell getopt() to report errors (if non-zero).
- * optind - index to next variable in argv[] to be processed,
- * optarg - points to string accompanying an option.
- *
- * Look at sample code to get an idea of getopt()'s functionality.
- */
- extern int opterr, optind;
- extern char *optarg;
- extern int getopt(int, char **, char *);
-