diff options
| author | Fudgerboy <91767657+Fudgerboy@users.noreply.github.com> | 2023-12-09 07:12:20 +0000 |
|---|---|---|
| committer | Fudgerboy <91767657+Fudgerboy@users.noreply.github.com> | 2023-12-09 07:12:20 +0000 |
| commit | 0b37a5ed73569ac5deed0e9bf07954f9e5fecd77 (patch) | |
| tree | 583b4f62fa845a85c7e8d0ef9ea40361201573a6 /wk2/pset2 | |
| parent | 1e9af8449cff08124aab80a1fdafdf4293ec092b (diff) | |
Fri, Dec 8, 2023, 11:12 PM -08:00
Diffstat (limited to 'wk2/pset2')
| -rw-r--r-- | wk2/pset2/caesar/caesar.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/wk2/pset2/caesar/caesar.c b/wk2/pset2/caesar/caesar.c index 3cc273f..7ef472b 100644 --- a/wk2/pset2/caesar/caesar.c +++ b/wk2/pset2/caesar/caesar.c @@ -6,7 +6,12 @@ bool only_digits(string phrase); int main(int argc, string argv[]) { - only_digits(argv[1]); + if (only_digits(argv[1]) == false) { + printf("Usage: ./caesar key\n"); + return 1; + } else { + return 0; + } } bool only_digits(string phrase) { |