diff options
Diffstat (limited to 'manual/examples/longopt.c')
| -rw-r--r-- | manual/examples/longopt.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/manual/examples/longopt.c b/manual/examples/longopt.c index 9d6bd53c0f..e6567c7caf 100644 --- a/manual/examples/longopt.c +++ b/manual/examples/longopt.c @@ -17,21 +17,21 @@ main (argc, argv) static struct option long_options[] = { /* These options set a flag. */ - {"verbose", 0, &verbose_flag, 1}, - {"brief", 0, &verbose_flag, 0}, + {"verbose", no_argument, &verbose_flag, 1}, + {"brief", no_argument, &verbose_flag, 0}, /* These options don't set a flag. We distinguish them by their indices. */ - {"add", 1, 0, 0}, - {"append", 0, 0, 0}, - {"delete", 1, 0, 0}, - {"create", 0, 0, 0}, - {"file", 1, 0, 0}, + {"add", required_argument, 0, 'a'}, + {"append", no_argument, 0, 'b'}, + {"delete", required_argument, 0, 'd'}, + {"create", no_argument, 0, 'c'}, + {"file", required_argument, 0, 'f'}, {0, 0, 0, 0} }; /* @code{getopt_long} stores the option index here. */ int option_index = 0; - c = getopt_long (argc, argv, "abc:d:", + c = getopt_long (argc, argv, "abc:d:f:", long_options, &option_index); /* Detect the end of the options. */ @@ -66,6 +66,10 @@ main (argc, argv) printf ("option -d with value `%s'\n", optarg); break; + case 'f': + printf ("option -f with value `%s'\n", optarg); + break; + case '?': /* @code{getopt_long} already printed an error message. */ break; |