// Test attaching some user data to the file
file->setUserdata(xbt_strdup("777"));
XBT_INFO("User data attached to the file: %s", (char*)file->userdata());
// Test attaching some user data to the file
file->setUserdata(xbt_strdup("777"));
XBT_INFO("User data attached to the file: %s", (char*)file->userdata());