diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/regex1.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/examples/regex1.c b/examples/regex1.c index 7385d69e..e24e5400 100644 --- a/examples/regex1.c +++ b/examples/regex1.c @@ -1,8 +1,12 @@ #include <stc/cstr.h> #include <stc/cregex.h> -int main() +int main(int argc, char* argv[]) { + if (argc <= 1) { + printf("Usage: regex1 -i\n"); + return 0; + } c_auto (cstr, input) c_auto (cregex, float_expr) { @@ -10,7 +14,7 @@ int main() // Until "q" is given, ask for another number while (true) { - printf("Enter float number (q for quit): "); + printf("Enter a double precision number (q for quit): "); cstr_getline(&input, stdin); // Exit when the user inputs q |