Made private functions (not called by header inlines) always static. Added required param tp examples/regex1.c.

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