Query: curlopt_ssl_enable_npn
OS: mojave
Section: 3
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
CURLOPT_SSL_ENABLE_NPN(3) curl_easy_setopt options CURLOPT_SSL_ENABLE_NPN(3)NAMECURLOPT_SSL_ENABLE_NPN - enable NPNSYNOPSIS#include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSL_ENABLE_NPN, long npn);DESCRIPTIONPass a long as parameter, 0 or 1 where 1 is for enable and 0 for disable. This option enables/disables NPN in the SSL handshake (if the SSL backend libcurl is built to use supports it), which can be used to negotiate http2.DEFAULT1, enabledPROTOCOLSHTTPEXAMPLETODOAVAILABILITYAdded in 7.36.0RETURN VALUEReturns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.SEE ALSOCURLOPT_SSL_ENABLE_ALPN(3), CURLOPT_SSL_OPTIONS(3), libcurl 7.54.0 February 03, 2016 CURLOPT_SSL_ENABLE_NPN(3)