-                    hasModem = strstr(output,"ppp")    // ppp
-                        || strstr(output,"sl")  // slip
-                        || strstr(output,"pl"); // plip
-                    hasLAN = strstr(output, "eth") != NULL;
+                    hasModem = strstr(output.fn_str(),"ppp")    // ppp
+                        || strstr(output.fn_str(),"sl")  // slip
+                        || strstr(output.fn_str(),"pl"); // plip
+                    hasLAN = strstr(output.fn_str(), "eth") != NULL;