VERS_1.1 in vers1.so VERS_1.2 in vers1.so VERS_2.0 in vers1.so bar in vers1.so show_bar1 in vers1.so show_bar2 in vers1.so show_foo@ in vers1.so show_foo@@VERS_2.0 in vers1.so show_foo@VERS_1.1 in vers1.so show_foo@VERS_1.2 in vers1.so