curl_multi_setopt man page

## 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 is used to tell a libcurl multi handle how to behave. By using the appropriate options to curl_multi_setopt, you can change libcurl's behaviour 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)

## RETURNS

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 doesn't know of.

## AVAILABILITY

This function was added in libcurl 7.15.4.

## SEE ALSO

curl_multi_cleanup, curl_multi_init, curl_multi_socket, curl_multi_info_read

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