NATS C Client with JetStream and Streaming support  3.9.1
The nats.io C Client, Supported by Synadia Communications Inc.
Deprecated List
Member natsSubscription_NoDeliveryDelay (natsSubscription *sub)
No longer needed. Will be removed in the future.
Member natsSubscription_QueuedMsgs (natsSubscription *sub, uint64_t *queuedMsgs)
Use natsSubscription_GetPending instead.