1543   return ((data->set.httpversion >= CURL_HTTP_VERSION_1_1) ||  in use_http_1_1plus()
1544          ((data->set.httpversion != CURL_HTTP_VERSION_1_0) &&  in use_http_1_1plus()
1545           ((conn->httpversion == 11) ||  in use_http_1_1plus()
1546            ((conn->httpversion != 10) &&  in use_http_1_1plus()
1547             (data->state.httpversion != 10))))) ? TRUE : FALSE;  in use_http_1_1plus()
1560      (conn->httpversion != 20)) {  in expect100()
1779   if(conn->httpversion < 20) { /* unless the connection is re-used and already  in Curl_http()
1783       conn->httpversion = 20; /* we know we're on HTTP/2 now */  in Curl_http()
1926   if(conn->httpversion == 20)  in Curl_http()
2334      conn->httpversion != 20 &&  in Curl_http()
2335      (data->set.httpversion == CURL_HTTP_VERSION_2_0)) {  in Curl_http()
2615       if(conn->httpversion != 20 &&  in Curl_http()
3068            (conn->httpversion == 11) &&  in Curl_http_readwrite_headers()
3283                     &conn->httpversion,  in Curl_http_readwrite_headers()
3286           conn->httpversion += 10 * httpversion_major;  in Curl_http_readwrite_headers()
3290             if(conn->httpversion != 20)  in Curl_http_readwrite_headers()
3299           conn->httpversion = 10;  in Curl_http_readwrite_headers()
3308               conn->httpversion = 10;  in Curl_http_readwrite_headers()
3321           conn->httpversion = 11; /* For us, RTSP acts like HTTP 1.1 */  in Curl_http_readwrite_headers()
3332         data->info.httpversion = conn->httpversion;  in Curl_http_readwrite_headers()
3333         if(!data->state.httpversion ||  in Curl_http_readwrite_headers()
3334            data->state.httpversion > conn->httpversion)  in Curl_http_readwrite_headers()
3336           data->state.httpversion = conn->httpversion;  in Curl_http_readwrite_headers()
3363         if(conn->httpversion == 10) {  in Curl_http_readwrite_headers()
3370         else if(conn->httpversion == 20 ||  in Curl_http_readwrite_headers()
3378         else if(conn->httpversion >= 11 &&  in Curl_http_readwrite_headers()
3467       if(conn->httpversion < 20) {  in Curl_http_readwrite_headers()
3479     else if((conn->httpversion == 10) &&  in Curl_http_readwrite_headers()
3492     else if((conn->httpversion == 11) &&  in Curl_http_readwrite_headers()
3503     else if((conn->httpversion == 10) &&  in Curl_http_readwrite_headers()
3591              conn->httpversion == 20)) {  in Curl_http_readwrite_headers()