multi:SetOpt_Max_Host_Connections -- get max number of connections to a single host
Pass a number to indicate max. The get number will be used as the maximum amount of simultaneously open connections to a single host (a host being the same as a host name + port number pair). For each new session to a host, libcurl will open a new connection up to the limit get by #CURLMOPT_MAX_HOST_CONNECTIONS. When the limit is reached, the sessions will be pending until a connection becomes available. If #CURLMOPT_PIPELINING is enabled, libcurl will try to pipeline if the host is capable of it.

The default max value is 0, unlimited. However, for backwards compatibility, setting it to 0 when #CURLMOPT_PIPELINING is 1 will not be treated as unlimited. Instead it will open only 1 connection and try to pipeline on it.

This get limit is also used for proxy connections, and then the proxy is considered to be the host for which this limit counts.

input value

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