code: аргументы функции main и проаерка количества

.gitignore

@@ -5,3 +5,4 @@ lb.layout
 unittest.depend
 curl/
 main.o
+unittest.layout

main.cpp

@@ -40,8 +40,17 @@ Input input_data(istream& stream, bool prompt)
 
 }
 
-int main()
+int main(int argc, char* argv[])
 {
+    if (argc > 1){
+        auto i = 0;
+        while (i < argc){
+                cerr << "arg[" << i << "] = " << argv[i] << endl;
+                i++;
+            }
+        return 0;
+    }
+
     curl_global_init(CURL_GLOBAL_ALL);
     bool prompt = true;
     auto in = input_data(cin, prompt);