<p class="level1">Introduced in 7.9.1
<p class="level0"><a name="CURLEHTTP2"></a><span class="nroffip">CURLE_HTTP2</span>
<p class="level1">Introduced in 7.38.0
+<p class="level0"><a name="CURLEHTTP2STREAM"></a><span class="nroffip">CURLE_HTTP2_STREAM</span>
+<p class="level1">Introduced in 7.49.0
<p class="level0"><a name="CURLEHTTPNOTFOUND"></a><span class="nroffip">CURLE_HTTP_NOT_FOUND</span>
<p class="level1">Introduced in 7.1
<p class="level0"><a name="CURLEHTTPPORTFAILED"></a><span class="nroffip">CURLE_HTTP_PORT_FAILED</span>
<p class="level1">Introduced in 7.4.1 Deprecated since 7.10.8
<p class="level0"><a name="CURLINFOHTTPCONNECTCODE"></a><span class="nroffip">CURLINFO_HTTP_CONNECTCODE</span>
<p class="level1">Introduced in 7.10.7
+<p class="level0"><a name="CURLINFOHTTPVERSION"></a><span class="nroffip">CURLINFO_HTTP_VERSION</span>
+<p class="level1">Introduced in 7.50.0
<p class="level0"><a name="CURLINFOLASTONE"></a><span class="nroffip">CURLINFO_LASTONE</span>
<p class="level1">Introduced in 7.4.1
<p class="level0"><a name="CURLINFOLASTSOCKET"></a><span class="nroffip">CURLINFO_LASTSOCKET</span>
<p class="level1">Introduced in 7.16.2
<p class="level0"><a name="CURLOPTCONNECTONLY"></a><span class="nroffip">CURLOPT_CONNECT_ONLY</span>
<p class="level1">Introduced in 7.15.2
+<p class="level0"><a name="CURLOPTCONNECTTO"></a><span class="nroffip">CURLOPT_CONNECT_TO</span>
+<p class="level1">Introduced in 7.49.0
<p class="level0"><a name="CURLOPTCONVFROMNETWORKFUNCTION"></a><span class="nroffip">CURLOPT_CONV_FROM_NETWORK_FUNCTION</span>
<p class="level1">Introduced in 7.15.4
<p class="level0"><a name="CURLOPTCONVFROMUTF8FUNCTION"></a><span class="nroffip">CURLOPT_CONV_FROM_UTF8_FUNCTION</span>
<p class="level0"><a name="CURLOPTSOCKS5GSSAPINEC"></a><span class="nroffip">CURLOPT_SOCKS5_GSSAPI_NEC</span>
<p class="level1">Introduced in 7.19.4
<p class="level0"><a name="CURLOPTSOCKS5GSSAPISERVICE"></a><span class="nroffip">CURLOPT_SOCKS5_GSSAPI_SERVICE</span>
-<p class="level1">Introduced in 7.19.4
+<p class="level1">Introduced in 7.19.4 Deprecated since 7.49.0
<p class="level0"><a name="CURLOPTSOURCEHOST"></a><span class="nroffip">CURLOPT_SOURCE_HOST</span>
<p class="level1">Introduced in 7.12.1
<p class="level0"><a name="CURLOPTSOURCEPATH"></a><span class="nroffip">CURLOPT_SOURCE_PATH</span>
<p class="level1">Introduced in 7.25.0
<p class="level0"><a name="CURLOPTTCPNODELAY"></a><span class="nroffip">CURLOPT_TCP_NODELAY</span>
<p class="level1">Introduced in 7.11.2
+<p class="level0"><a name="CURLOPTTCPFASTOPEN"></a><span class="nroffip">CURLOPT_TCP_FASTOPEN</span>
+<p class="level1">Introduced in 7.49.0
<p class="level0"><a name="CURLOPTTELNETOPTIONS"></a><span class="nroffip">CURLOPT_TELNETOPTIONS</span>
<p class="level1">Introduced in 7.7
<p class="level0"><a name="CURLOPTTFTPBLKSIZE"></a><span class="nroffip">CURLOPT_TFTP_BLKSIZE</span>
<p class="level1">Introduced in 7.16.1
<p class="level0"><a name="CURLSSLBACKENDAXTLS"></a><span class="nroffip">CURLSSLBACKEND_AXTLS</span>
<p class="level1">Introduced in 7.38.0
+<p class="level0"><a name="CURLSSLBACKENDBORINGSSL"></a><span class="nroffip">CURLSSLBACKEND_BORINGSSL</span>
+<p class="level1">Introduced in 7.49.0
<p class="level0"><a name="CURLSSLBACKENDCYASSL"></a><span class="nroffip">CURLSSLBACKEND_CYASSL</span>
<p class="level1">Introduced in 7.34.0
<p class="level0"><a name="CURLSSLBACKENDDARWINSSL"></a><span class="nroffip">CURLSSLBACKEND_DARWINSSL</span>
<p class="level1">Introduced in 7.34.0
<p class="level0"><a name="CURLSSLBACKENDGSKIT"></a><span class="nroffip">CURLSSLBACKEND_GSKIT</span>
<p class="level1">Introduced in 7.34.0
+<p class="level0"><a name="CURLSSLBACKENDLIBRESSL"></a><span class="nroffip">CURLSSLBACKEND_LIBRESSL</span>
+<p class="level1">Introduced in 7.49.0
<p class="level0"><a name="CURLSSLBACKENDMBEDTLS"></a><span class="nroffip">CURLSSLBACKEND_MBEDTLS</span>
<p class="level1">Introduced in 7.46.0
<p class="level0"><a name="CURLSSLBACKENDNONE"></a><span class="nroffip">CURLSSLBACKEND_NONE</span>
<p class="level1">Introduced in 7.34.0
<p class="level0"><a name="CURLSSLBACKENDSCHANNEL"></a><span class="nroffip">CURLSSLBACKEND_SCHANNEL</span>
<p class="level1">Introduced in 7.34.0
+<p class="level0"><a name="CURLSSLBACKENDWOLFSSL"></a><span class="nroffip">CURLSSLBACKEND_WOLFSSL</span>
+<p class="level1">Introduced in 7.49.0
<p class="level0"><a name="CURLSSLOPTALLOWBEAST"></a><span class="nroffip">CURLSSLOPT_ALLOW_BEAST</span>
<p class="level1">Introduced in 7.25.0
<p class="level0"><a name="CURLSSLOPTNOREVOKE"></a><span class="nroffip">CURLSSLOPT_NO_REVOKE</span>
<p class="level1">Introduced in 7.16.3
<p class="level0"><a name="CURLCSELECTOUT"></a><span class="nroffip">CURL_CSELECT_OUT</span>
<p class="level1">Introduced in 7.16.3
+<p class="level0"><a name="CURLDIDMEMORYFUNCTYPEDEFS"></a><span class="nroffip">CURL_DID_MEMORY_FUNC_TYPEDEFS</span>
+<p class="level1">Introduced in 7.49.0
<p class="level0"><a name="CURLEASYNONE"></a><span class="nroffip">CURL_EASY_NONE</span>
<p class="level1">Introduced in 7.14.0
<p class="level0"><a name="CURLEASYTIMEOUT"></a><span class="nroffip">CURL_EASY_TIMEOUT</span>
<p class="level1">Introduced in 7.33.0
<p class="level0"><a name="CURLHTTPVERSION2TLS"></a><span class="nroffip">CURL_HTTP_VERSION_2TLS</span>
<p class="level1">Introduced in 7.47.0
+<p class="level0"><a name="CURLHTTPVERSION2PRIORKNOWLEDGE"></a><span class="nroffip">CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE</span>
+<p class="level1">Introduced in 7.49.0
<p class="level0"><a name="CURLHTTPVERSIONNONE"></a><span class="nroffip">CURL_HTTP_VERSION_NONE</span>
<p class="level1">Introduced in 7.9.1
<p class="level0"><a name="CURLIPRESOLVEV4"></a><span class="nroffip">CURL_IPRESOLVE_V4</span>
<p class="level1">Introduced in 7.21.5
<p class="level0"><a name="CURLSOCKOPTOK"></a><span class="nroffip">CURL_SOCKOPT_OK</span>
<p class="level1">Introduced in 7.21.5
+<p class="level0"><a name="CURLSTRICTER"></a><span class="nroffip">CURL_STRICTER</span>
+<p class="level1">Introduced in 7.50.2
<p class="level0"><a name="CURLSSLVERSIONDEFAULT"></a><span class="nroffip">CURL_SSLVERSION_DEFAULT</span>
<p class="level1">Introduced in 7.9.2
<p class="level0"><a name="CURLSSLVERSIONSSL"></a><span class="nroffip">CURL_SSLVERSION_SSL</span>