Add support for the --browser option

src/utils.h

@@ -25,6 +25,10 @@ get_sig_name(int sig, char *buf);
 int
 get_sig(const char *sig_name);
 
+// Open uri with the default application of system
+int
+open_uri(char *uri);
+
 // Encode text to base64, the caller should free the returned string
 char *
 base64_encode(const unsigned char *buffer, size_t length);