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