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curl_multi_setopt(3)                libcurl               curl_multi_setopt(3)

NAME
       curl_multi_setopt - set options for a curl multi handle

SYNOPSIS
       #include <curl/curl.h>

       CURLMcode curl_multi_setopt(CURLM *multi_handle, CURLMoption option, param);

DESCRIPTION
       curl_multi_setopt(3) is used to tell a libcurl multi handle how to
       behave. By using the appropriate options to curl_multi_setopt(3), you
       can change libcurl's behavior when using that multi handle. All options
       are set with the option followed by the parameter param. That parameter
       can be a long, a function pointer, an object pointer or a curl_off_t
       type, depending on what the specific option expects. Read this manual
       carefully as bad input values may cause libcurl to behave badly. You
       can only set one option in each function call.

OPTIONS
       CURLMOPT_CHUNK_LENGTH_PENALTY_SIZE
              See CURLMOPT_CHUNK_LENGTH_PENALTY_SIZE(3)

       CURLMOPT_CONTENT_LENGTH_PENALTY_SIZE
              See CURLMOPT_CONTENT_LENGTH_PENALTY_SIZE(3)

       CURLMOPT_MAX_HOST_CONNECTIONS
              See CURLMOPT_MAX_HOST_CONNECTIONS(3)

       CURLMOPT_MAX_PIPELINE_LENGTH
              See CURLMOPT_MAX_PIPELINE_LENGTH(3)

       CURLMOPT_MAX_TOTAL_CONNECTIONS
              See CURLMOPT_MAX_TOTAL_CONNECTIONS(3)

       CURLMOPT_MAXCONNECTS
              See CURLMOPT_MAXCONNECTS(3)

       CURLMOPT_PIPELINING
              See CURLMOPT_PIPELINING(3)

       CURLMOPT_PIPELINING_SITE_BL
              See CURLMOPT_PIPELINING_SITE_BL(3)

       CURLMOPT_PIPELINING_SERVER_BL
              See CURLMOPT_PIPELINING_SERVER_BL(3)

       CURLMOPT_PUSHFUNCTION
              See CURLMOPT_PUSHFUNCTION(3)

       CURLMOPT_PUSHDATA
              See CURLMOPT_PUSHDATA(3)

       CURLMOPT_SOCKETFUNCTION
              See CURLMOPT_SOCKETFUNCTION(3)

       CURLMOPT_SOCKETDATA
              See CURLMOPT_SOCKETDATA(3)

       CURLMOPT_TIMERFUNCTION
              See CURLMOPT_TIMERFUNCTION(3)

       CURLMOPT_TIMERDATA
              See CURLMOPT_TIMERDATA(3)

       CURLMOPT_MAX_CONCURRENT_STREAMS
              See CURLMOPT_MAX_CONCURRENT_STREAMS(3)

EXAMPLE
         /* Limit the amount of simultaneous connections curl should allow: */
         curl_multi_setopt(handle, CURLMOPT_MAXCONNECTS, (long)MAX_PARALLEL);

AVAILABILITY
       Added in 7.15.4

RETURN VALUE
       The standard CURLMcode for multi interface error codes. Note that it
       returns a CURLM_UNKNOWN_OPTION if you try setting an option that this
       version of libcurl does not know of.

SEE ALSO
       curl_multi_cleanup(3), curl_multi_init(3),  curl_multi_socket(3),
       curl_multi_info_read(3)

libcurl 8.1.2                   April 26, 2023            curl_multi_setopt(3)