CURLALTSVC_H1 (libcurl >= 7.64.1)
CURLALTSVC_H2 (libcurl >= 7.64.1)
CURLALTSVC_H3 (libcurl >= 7.64.1)
CURLALTSVC_READONLYFILE (libcurl >= 7.64.1)
CURLAUTH_AWS_SIGV4 (libcurl >= 7.75.0)
CURLE_PROXY (libcurl >= 7.73.0)
CURLFTPMETHOD_DEFAULT
CURLHSTS_ENABLE (libcurl >= 7.74.0)
CURLHSTS_READONLYFILE (libcurl >= 7.74.0)
CURLINFO_PROXY_ERROR (libcurl >= 7.73.0)
CURLINFO_REFERER (libcurl >= 7.76.0)
CURLINFO_RETRY_AFTER (libcurl >= 7.66.0)
CURLMOPT_MAX_CONCURRENT_STREAMS (libcurl >= 7.67.0)
CURLOPT_ALTSVC_CTRL (libcurl >= 7.64.1)
CURLOPT_ALTSVC (libcurl >= 7.64.1)
CURLOPT_AWS_SIGV4 (libcurl >= 7.75.0)
CURLOPT_CAINFO_BLOB (libcurl >= 7.77.0)
CURLOPT_DOH_SSL_VERIFYHOST (libcurl >= 7.76.0)
CURLOPT_DOH_SSL_VERIFYPEER (libcurl >= 7.76.0)
CURLOPT_DOH_SSL_VERIFYSTATUS (libcurl >= 7.76.0)
CURLOPT_HSTS_CTRL (libcurl >= 7.74.0)
CURLOPT_HSTS (libcurl >= 7.74.0)
CURLOPT_MAIL_RCPT_ALLLOWFAILS (libcurl >= 7.69.0)
CURLOPT_MAXAGE_CONN (libcurl >= 7.65.0)
CURLOPT_MAXFILESIZE_LARGE
CURLOPT_MAXLIFETIME_CONN (libcurl >= 7.80.0)
CURLOPT_PROXY_CAINFO_BLOB (libcurl >= 7.77.0)
CURLOPT_SASL_AUTHZID (libcurl >= 7.66.0)
CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256 (libcurl >= 7.80.0)
CURLOPT_SSL_EC_CURVES (libcurl >= 7.73.0)
CURLOPT_UPKEEP_INTERVAL_MS (libcurl >= 7.62.0)
CURLOPT_UPLOAD_BUFFERSIZE (libcurl >= 7.62.0)
CURLOPT_XFERINFOFUNCTION (libcurl >= 7.32.0)
CURLPROTO_MQTT (libcurl >= 7.71.0)
CURLPX_BAD_ADDRESS_TYPE (libcurl >= 7.73.0)
CURLPX_BAD_VERSION (libcurl >= 7.73.0)
CURLPX_CLOSED (libcurl >= 7.73.0)
CURLPX_GSSAPI (libcurl >= 7.73.0)
CURLPX_GSSAPI_PERMSG (libcurl >= 7.73.0)
CURLPX_GSSAPI_PROTECTION (libcurl >= 7.73.0)
CURLPX_IDENTD_DIFFER (libcurl >= 7.73.0)
CURLPX_IDENTD (libcurl >= 7.73.0)
CURLPX_LONG_HOSTNAME (libcurl >= 7.73.0)
CURLPX_LONG_PASSWD (libcurl >= 7.73.0)
CURLPX_LONG_USER (libcurl >= 7.73.0)
CURLPX_NO_AUTH (libcurl >= 7.73.0)
CURLPX_OK (libcurl >= 7.73.0)
CURLPX_RECV_ADDRESS (libcurl >= 7.73.0)
CURLPX_RECV_AUTH (libcurl >= 7.73.0)
CURLPX_RECV_CONNECT (libcurl >= 7.73.0)
CURLPX_RECV_REQACK (libcurl >= 7.73.0)
CURLPX_REPLY_ADDRESS_TYPE_NOT_SUPPORTED (libcurl >= 7.73.0)
CURLPX_REPLY_COMMAND_NOT_SUPPORTED (libcurl >= 7.73.0)
CURLPX_REPLY_CONNECTION_REFUSED (libcurl >= 7.73.0)
CURLPX_REPLY_GENERAL_SERVER_FAILURE (libcurl >= 7.73.0)
CURLPX_REPLY_HOST_UNREACHABLE (libcurl >= 7.73.0)
CURLPX_REPLY_NETWORK_UNREACHABLE (libcurl >= 7.73.0)
CURLPX_REPLY_NOT_ALLOWED (libcurl >= 7.73.0)
CURLPX_REPLY_TTL_EXPIRED (libcurl >= 7.73.0)
CURLPX_REPLY_UNASSIGNED (libcurl >= 7.73.0)
CURLPX_REQUEST_FAILED (libcurl >= 7.73.0)
CURLPX_RESOLVE_HOST (libcurl >= 7.73.0)
CURLPX_SEND_AUTH (libcurl >= 7.73.0)
CURLPX_SEND_CONNECT (libcurl >= 7.73.0)
CURLPX_SEND_REQUEST (libcurl >= 7.73.0)
CURLPX_UNKNOWN_FAIL (libcurl >= 7.73.0)
CURLPX_UNKNOWN_MODE (libcurl >= 7.73.0)
CURLPX_USER_REJECTED (libcurl >= 7.73.0)
CURLSSLOPT_AUTO_CLIENT_CERT (libcurl >= 7.77.0)
CURLSSLOPT_NATIVE_CA (libcurl >= 7.71.0)
CURLSSLOPT_NO_PARTIALCHAIN (libcurl >= 7.68.0)
CURLSSLOPT_REVOKE_BEST_EFFORT (libcurl >= 7.70.0)
CURL_VERSION_GSASL (libcurl >= 7.76.0)
CURL_VERSION_HSTS (libcurl >= 7.74.0)
CURL_VERSION_HTTP3 (libcurl >= 7.66.0)
CURL_VERSION_UNICODE (libcurl >= 7.72.0)
CURL_VERSION_ZSTD (libcurl >= 7.72.0)
如果支持则会定义下列套接字选项：
SO_INCOMING_CPU
SO_MEMINFO
SO_RTABLE (OpenBSD)
TCP_KEEPALIVE (MacOS)
TCP_KEEPCNT (Linux, others)
TCP_KEEPIDLE (Linux, others)
TCP_KEEPINTVL (Linux, others)
TCP_NOTSENT_LOWAT
LOCAL_CREDS_PERSISTENT (FreeBSD)
SCM_CREDS2 (FreeBSD)
LOCAL_CREDS (NetBSD)
SO_BPF_EXTENSIONS
SO_SETFIB
TCP_CONGESTION (Linux, FreeBSD)
SO_ZEROCOPY (Linux)
MSG_ZEROCOPY (Linux)