1 files changed, 40 insertions, 24 deletions

diff --git a/posix/tstgetopt.c b/posix/tstgetopt.c
index fd2d4d0469..2258b20770 100644
--- a/posix/tstgetopt.c
+++ b/posix/tstgetopt.c
@@ -1,41 +1,57 @@
-#include <ansidecl.h>
 #include <unistd.h>
 #include <stdio.h>
+#include <getopt.h>
 
-int main (int argc, char **argv)
+int
+main (int argc, char **argv)
 {
+  static const struct option options[] =
+    {
+      {"required", required_argument, NULL, 'r'},
+      {"optional", optional_argument, NULL, 'o'},
+      {"none",     no_argument,       NULL, 'n'}
+    };
+   
   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;
-    }
+  while ((c = getopt_long (argc, argv, "abc:", options, NULL)) >= 0)
+    switch (c)
+      {
+      case 'a':
+	aflag = 1;
+	break;
+      case 'b':
+	bflag = 1;
+	break;
+      case 'c':
+	cvalue = optarg;
+	break;
+      case '?':
+	fputs ("Unknown option.\n", stderr);
+	return 1;
+      default:
+	fprintf (stderr, "This should never happen!\n");
+	return 1;
+
+      case 'r':
+	printf ("--required %s\n", optarg);
+	break;
+      case 'o':
+	printf ("--optional %s\n", optarg);
+	break;
+      case 'n':
+	puts ("--none");
+	break;
+      }
 
   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;
 }