void libvlc_event_manager_release(
libvlc_event_manager_t * p_em );
void libvlc_event_manager_register_event_type(
libvlc_event_manager_t * p_em,
void libvlc_event_manager_release(
libvlc_event_manager_t * p_em );
void libvlc_event_manager_register_event_type(
libvlc_event_manager_t * p_em,