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                     23: .TH CURLINFO_HTTP_VERSION 3 "August 07, 2019" "libcurl 7.70.0" "curl_easy_getinfo options"
                     24: 
                     25: .SH NAME
                     26: CURLINFO_HTTP_VERSION \- get the http version used in the connection
                     27: .SH SYNOPSIS
                     28: #include <curl/curl.h>
                     29: 
                     30: CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HTTP_VERSION, long *p);
                     31: .SH DESCRIPTION
                     32: Pass a pointer to a long to receive the version used in the last http
                     33: connection.  The returned value will be CURL_HTTP_VERSION_1_0,
                     34: CURL_HTTP_VERSION_1_1, CURL_HTTP_VERSION_2_0, CURL_HTTP_VERSION_3 or 0 if the
                     35: version can't be determined.
                     36: .SH PROTOCOLS
                     37: HTTP
                     38: .SH EXAMPLE
                     39: .nf
                     40: CURL *curl = curl_easy_init();
                     41: if(curl) {
                     42:   CURLcode res;
                     43:   curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
                     44:   res = curl_easy_perform(curl);
                     45:   if(res == CURLE_OK) {
                     46:     long http_version;
                     47:     curl_easy_getinfo(curl, CURLINFO_HTTP_VERSION, &http_version);
                     48:   }
                     49:   curl_easy_cleanup(curl);
                     50: }
                     51: .fi
                     52: .SH AVAILABILITY
                     53: Added in 7.50.0
                     54: .SH RETURN VALUE
                     55: Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
                     56: .SH "SEE ALSO"
                     57: .BR CURLINFO_RESPONSE_CODE "(3), "
                     58: .BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), "