Here is a list of all documented variables with links to the struct/union documentation for each field:

- h -

• handle : DDS_WriteParams_t
• heartbeat_period : DDS_RtpsReliableWriterProtocol_t
• heartbeats_per_max_samples : DDS_RtpsReliableWriterProtocol_t
• high : DDS_SequenceNumber_t
• history : DDS_DataReaderQos, DDS_DataWriterQos
• hostname : OSAPI_SystemProperty