diff --git a/main.cpp b/main.cpp
index 5cd9e15..b12130b 100644
--- a/main.cpp
+++ b/main.cpp
@@ -2,7 +2,7 @@
 #include <math.h>
 #include <iostream>
 #include <conio.h>
-#include <cstring>
+#include <curl/curl.h>
 #include "histogram.h"
 #include "text.h"
 #include "svg.h"
@@ -35,7 +35,14 @@ input_data(istream& in, bool prompt){
 	in >> input.bin_count;
 	return input;
 }
-int main(){
+int main(int argc, char* argv[]){
+    if (argc>1){
+        for (size_t i =0; i<argc; i++){
+            cerr << "argv[" << i << "]= " << argv[i] << "\n";
+        }
+        return 0;
+    }
+    curl_global_init(CURL_GLOBAL_ALL);
     bool prompt;
 	auto in = input_data(cin, prompt);
 	auto bins = make_histogram(in.numbers, in.bin_count);