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< p > You will find here the environment variables that change the default behavior of the NATS C Client library. < br / >
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< td class = "markdownTableBodyNone" > < b > < code > NATS_DEFAULT_TO_LIB_MSG_DELIVERY< / code > < / b > < / td > < td class = "markdownTableBodyCenter" > On < a class = "el" href = "group__library_group.html#ga4a26d4caecb23348f6eee862c95fee7d" title = "Initializes the library." > nats_Open< / a > , the library looks for this environment variable. If set (to any value), the library will default to using a global thread pool to perform message delivery. See < a class = "el" href = "group__opts_group.html#gabf060c92648b50c069f0abe7cbb06f1c" title = "Switch on/off the use of a central message delivery thread pool." > natsOptions_UseGlobalMessageDelivery< / a > and < a class = "el" href = "group__library_group.html#gab21e94ce7a7d226611ea2c05914cf19d" title = "Sets the maximum size of the global message delivery thread pool." > nats_SetMessageDeliveryPoolSize< / a > . < / td > < / tr >
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