CURLINFO_CAPATH (libcurl >= 7.84.0)
CURLINFO_CAINFO (libcurl >= 7.84.0)
CURLOPT_MIME_OPTIONS (libcurl >= 7.81.0)
CURLMIMEOPT_FORMESCAPE (libcurl >= 7.81.0)
CURLOPT_WS_OPTIONS (libcurl >= 7.86.0)
CURLWS_RAW_MODE (libcurl >= 7.86.0)
CURLOPT_SSH_HOSTKEYFUNCTION (libcurl >= 7.84.0)
CURLOPT_PROTOCOLS_STR (libcurl >= 7.85.0)
CURLOPT_REDIR_PROTOCOLS_STR (libcurl >= 7.85.0)
CURLOPT_CA_CACHE_TIMEOUT (libcurl >= 7.87.0)
CURLOPT_QUICK_EXIT (libcurl >= 7.87.0)
CURLKHMATCH_OK (libcurl >= 7.19.6)
CURLKHMATCH_MISMATCH (libcurl >= 7.19.6)
CURLKHMATCH_MISSING (libcurl >= 7.19.6)
CURLKHMATCH_LAST (libcurl >= 7.19.6)
MIXED_NUMBERS (Spoofchecker 類別)
HIDDEN_OVERLAY (Spoofchecker 類別)
以下通訊端選項，如果支援的話，現在已定義：
SO_ATTACH_REUSEPORT_CBPF (Linux)
SO_DETACH_BPF (Linux)
SO_DETACH_FILTER (Linux)
TCP_QUICKACK (Linux)
IP_DONTFRAG (FreeBSD)
IP_MTU_DISCOVER (Linux)
IP_PMTUDISC_DO (Linux)
IP_PMTUDISC_DONT (Linux)
IP_PMTUDISC_WANT (Linux)
IP_PMTUDISC_PROBE (Linux)
IP_PMTUDISC_INTERFACE (Linux)
IP_PMTUDISC_OMIT (Linux)
AF_DIVERT (FreeBSD)
SOL_UDPLITE
UDPLITE_RECV_CSCOV
UDPLITE_SEND_CSCOV
SO_RERROR (NetBSD)
SO_ZEROIZE (OpenBSD)
SO_SPLICE (OpenBSD)
TCP_REPAIR (Linux)
SO_REUSEPORT_LB (FreeBSD)
IP_BIND_ADDRESS_NO_PORT (Linux)
ZipArchive::ER_DATA_LENGTH (libzip >= 1.10)
ZipArchive::ER_NOT_ALLOWED (libzip >= 1.10)
ZipArchive::AFL_RDONLY (libzip >= 1.10)
ZipArchive::AFL_IS_TORRENTZIP (libzip >= 1.10)
ZipArchive::AFL_WANT_TORRENTZIP (libzip >= 1.10)
ZipArchive::AFL_CREATE_OR_KEEP_FILE_FOR_EMPTY_ARCHIVE (libzip >= 1.10)
ZipArchive::FL_OPEN_FILE_NOW
ZipArchive::LENGTH_TO_END 作為 ZipArchive::addFile() 和 ZipArchive::replaceFile() 的預設值
ZipArchive::LENGTH_UNCHECKED (libzip >= 1.10)