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CURLINFO_HTTP_VERSION(3)   Library Functions Manual   CURLINFO_HTTP_VERSION(3)

NAME
       CURLINFO_HTTP_VERSION - get the http version used in the	connection

SYNOPSIS
       #include	<curl/curl.h>

       CURLcode	curl_easy_getinfo(CURL *handle,	CURLINFO_HTTP_VERSION, long *p);

DESCRIPTION
       Pass  a	pointer	to a long to receive the version used in the last http
       connection done using this handle. The returned value is	CURL_HTTP_VER-
       SION_1_0, CURL_HTTP_VERSION_1_1,	CURL_HTTP_VERSION_2_0,	CURL_HTTP_VER-
       SION_3 or 0 if the version cannot be determined.

PROTOCOLS
       This functionality affects http only

EXAMPLE
       int main(void)
       {
	 CURL *curl = curl_easy_init();
	 if(curl) {
	   CURLcode res;
	   curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
	   res = curl_easy_perform(curl);
	   if(res == CURLE_OK) {
	     long http_version;
	     curl_easy_getinfo(curl, CURLINFO_HTTP_VERSION, &http_version);
	   }
	   curl_easy_cleanup(curl);
	 }
       }

AVAILABILITY
       Added in	curl 7.50.0

RETURN VALUE
       curl_easy_getinfo(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 ALSO
       CURLINFO_RESPONSE_CODE(3), curl_easy_getinfo(3),	curl_easy_setopt(3)

libcurl				  2025-06-03	      CURLINFO_HTTP_VERSION(3)

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