Here is a list of all variables with links to the files they belong to:

• client : client.hpp
• guard : guard_condition.hpp
• handle : client.hpp
• rmw_qos_profile_default : qos.hpp
• rmw_qos_profile_parameter_events : qos.hpp
• rmw_qos_profile_parameters : qos.hpp
• rmw_qos_profile_sensor_data : qos.hpp
• rmw_qos_profile_services_default : qos.hpp
• timer : timer.hpp