Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 12]

▼Nrmw
►Nimpl
Crmw_client_t	A handle to an rmw service client
Crmw_clients_t	Array of client handles
Crmw_context_t	Initialization context structure which is used to store init specific information
Crmw_event_t	Encapsulate the RMW event implementation, data, and type
Crmw_events_t
Crmw_gid_t	ROS graph ID of the topic
Crmw_guard_condition_t	Handle for an rmw guard condition
Crmw_guard_conditions_t	Array of guard condition handles
Crmw_init_options_t	Options structure used during rmw_init()
Crmw_liveliness_changed_status_t	QoS Liveliness Changed information provided by a subscription
Crmw_liveliness_lost_status_t	QoS Liveliness Lost information provided by a publisher
Crmw_message_info_sequence_t	Structure to hold a sequence of message infos
Crmw_message_info_t	Information describing an rmw message
Crmw_message_lost_status_t
Crmw_message_sequence_t	Structure to hold a sequence of ROS messages
Crmw_names_and_types_t	Associative array of topic or service names and types
Crmw_network_flow_endpoint_array_t	Structure to hold an arrary of network_flow_endpoint_t
Crmw_network_flow_endpoint_t	Structure that describes network flow endpoint of a publisher or subscription
Crmw_node_t	Structure which encapsulates an rmw node
Crmw_offered_deadline_missed_status_t	QoS Deadline Missed information provided by a publisher
Crmw_publisher_allocation_t	Allocation of memory for an rmw publisher
Crmw_publisher_options_t	Options that can be used to configure the creation of a publisher in rmw
Crmw_publisher_t	Structure which encapsulates an rmw publisher
Crmw_qos_incompatible_event_status_t
Crmw_qos_profile_t	ROS MiddleWare quality of service profile
Crmw_request_id_t	An rmw service request identifier
Crmw_requested_deadline_missed_status_t	QoS Requested Deadline Missed information provided by a subscription
Crmw_security_options_t
Crmw_serialized_message_t	Serialized message as a string of bytes
Crmw_service_info_t	Meta-data for a service-related take
Crmw_service_t	A handle to an rmw service
Crmw_services_t	Array of service handles
Crmw_subscription_allocation_t	Allocation of memory for an rmw subscription
Crmw_subscription_options_t	Options that can be used to configure the creation of a subscription in rmw
Crmw_subscription_t
Crmw_subscriptions_t	Array of subscriber handles
Crmw_time_t	A struct representing a duration or relative time in RMW - does not encode an origin
Crmw_topic_endpoint_info_array_t	Array of topic endpoint information
Crmw_topic_endpoint_info_t
Crmw_wait_set_t	Container for guard conditions to be waited on