manual: tidy the longopt.c example

- Change longopt.c's backticks to single quotes
- puts() does not use format specifiers

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

diff --git a/manual/examples/longopt.c b/manual/examples/longopt.c
index c679cd27c3dcded1c6df35b286a1c36c7960fd82..bf3857b9b100d4ac22f1ef75c0e2d5a5b0a09a06 100644 (file)
--- a/manual/examples/longopt.c
+++ b/manual/examples/longopt.c
@@ -66,23 +66,23 @@ main (int argc, char **argv)
          break;
 
        case 'a':
-         puts ("option -a\n");
+         puts ("option -a");
          break;
 
        case 'b':
-         puts ("option -b\n");
+         puts ("option -b");
          break;
 
        case 'c':
-         printf ("option -c with value `%s'\n", optarg);
+         printf ("option -c with value '%s'\n", optarg);
          break;
 
        case 'd':
-         printf ("option -d with value `%s'\n", optarg);
+         printf ("option -d with value '%s'\n", optarg);
          break;
 
        case 'f':
-         printf ("option -f with value `%s'\n", optarg);
+         printf ("option -f with value '%s'\n", optarg);
          break;
 
        case '?':