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NAMECURLOPT_SSL_FALSESTART - TLS false start SYNOPSIS#include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSL_FALSESTART, long enable); DESCRIPTIONPass a long as parameter set to 1L to enable or 0 to disable. This option determines whether libcurl should use false start during the TLS handshake. False start is a mode where a TLS client starts sending application data before verifying the server's Finished message, thus saving a round trip when performing a full handshake. DEFAULT0 PROTOCOLSThis functionality affects all TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc. This option works only with the following TLS backends: Secure Transport EXAMPLEint main(void) { AVAILABILITYAdded in curl 7.42.0 RETURN VALUEcurl_easy_setopt(3) returns a CURLcode indicating success or error. CURLE_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3). SEE ALSOCURLOPT_TCP_FASTOPEN(3)
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