wp_get_current_network -> wsuwp_get_current_network
wp_get_current_site -> wsuwp_get_current_site
switch_to_network -> wsuwp_switch_to_network
restore_current_network -> wsuwp_restore_current_network
switch_to_site -> wsuwp_switch_to_site
restore_current_site -> wsuwp_restore_current_site
is_multi_network -> wsuwp_is_multi_network