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.\" *                            | (__| |_| |  _ <| |___
.\" *                             \___|\___/|_| \_\_____|
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.\" * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" *
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.TH libcurl-symbols 3 "nov  6, 2019" "libcurl 7.41.0" "libcurl symbols"
.SH NAME
libcurl-symbols \- libcurl symbol version information
.SH "libcurl symbols"
This man page details version information for public symbols provided in the
libcurl header files. This lists the first version in which the symbol was
introduced and for some symbols two additional information pieces:

The first version in which the symbol is marked "deprecated" - meaning that
since that version no new code should be written to use the symbol as it is
marked for getting removed in a future.

The last version that featured the specific symbol. Using the symbol in source
code will make it no longer compile error-free after that specified version.

This man page is automatically generated from the symbols-in-versions file.
.IP CURLALTSVC_H1
Introduced in 7.64.1
.IP CURLALTSVC_H2
Introduced in 7.64.1
.IP CURLALTSVC_H3
Introduced in 7.64.1
.IP CURLALTSVC_IMMEDIATELY
Introduced in 7.64.1
.IP CURLALTSVC_READONLYFILE
Introduced in 7.64.1
.IP CURLAUTH_ANY
Introduced in 7.10.6
.IP CURLAUTH_ANYSAFE
Introduced in 7.10.6
.IP CURLAUTH_BASIC
Introduced in 7.10.6
.IP CURLAUTH_BEARER
Introduced in 7.61.0
.IP CURLAUTH_DIGEST
Introduced in 7.10.6
.IP CURLAUTH_DIGEST_IE
Introduced in 7.19.3
.IP CURLAUTH_GSSAPI
Introduced in 7.55.0
.IP CURLAUTH_GSSNEGOTIATE
Introduced in 7.10.6
Deprecated since 7.38.0
.IP CURLAUTH_NEGOTIATE
Introduced in 7.38.0
.IP CURLAUTH_NONE
Introduced in 7.10.6
.IP CURLAUTH_NTLM
Introduced in 7.10.6
.IP CURLAUTH_NTLM_WB
Introduced in 7.22.0
.IP CURLAUTH_ONLY
Introduced in 7.21.3
.IP CURLCLOSEPOLICY_CALLBACK
Introduced in 7.7
.IP CURLCLOSEPOLICY_LEAST_RECENTLY_USED
Introduced in 7.7
.IP CURLCLOSEPOLICY_LEAST_TRAFFIC
Introduced in 7.7
.IP CURLCLOSEPOLICY_NONE
Introduced in 7.7
.IP CURLCLOSEPOLICY_OLDEST
Introduced in 7.7
.IP CURLCLOSEPOLICY_SLOWEST
Introduced in 7.7
.IP CURLE_ABORTED_BY_CALLBACK
Introduced in 7.1
.IP CURLE_AGAIN
Introduced in 7.18.2
.IP CURLE_ALREADY_COMPLETE
Introduced in 7.7.2
.IP CURLE_AUTH_ERROR
Introduced in 7.66.0
.IP CURLE_BAD_CALLING_ORDER
Introduced in 7.1
Deprecated since 7.17.0
.IP CURLE_BAD_CONTENT_ENCODING
Introduced in 7.10
.IP CURLE_BAD_DOWNLOAD_RESUME
Introduced in 7.10
.IP CURLE_BAD_FUNCTION_ARGUMENT
Introduced in 7.1
.IP CURLE_BAD_PASSWORD_ENTERED
Introduced in 7.4.2
Deprecated since 7.17.0
.IP CURLE_CHUNK_FAILED
Introduced in 7.21.0
.IP CURLE_CONV_FAILED
Introduced in 7.15.4
.IP CURLE_CONV_REQD
Introduced in 7.15.4
.IP CURLE_COULDNT_CONNECT
Introduced in 7.1
.IP CURLE_COULDNT_RESOLVE_HOST
Introduced in 7.1
.IP CURLE_COULDNT_RESOLVE_PROXY
Introduced in 7.1
.IP CURLE_FAILED_INIT
Introduced in 7.1
.IP CURLE_FILESIZE_EXCEEDED
Introduced in 7.10.8
.IP CURLE_FILE_COULDNT_READ_FILE
Introduced in 7.1
.IP CURLE_FTP_ACCEPT_FAILED
Introduced in 7.24.0
.IP CURLE_FTP_ACCEPT_TIMEOUT
Introduced in 7.24.0
.IP CURLE_FTP_ACCESS_DENIED
Introduced in 7.1
.IP CURLE_FTP_BAD_DOWNLOAD_RESUME
Introduced in 7.1
Deprecated since 7.1
.IP CURLE_FTP_BAD_FILE_LIST
Introduced in 7.21.0
.IP CURLE_FTP_CANT_GET_HOST
Introduced in 7.1
.IP CURLE_FTP_CANT_RECONNECT
Introduced in 7.1
Deprecated since 7.17.0
.IP CURLE_FTP_COULDNT_GET_SIZE
Introduced in 7.1
Deprecated since 7.17.0
.IP CURLE_FTP_COULDNT_RETR_FILE
Introduced in 7.1
.IP CURLE_FTP_COULDNT_SET_ASCII
Introduced in 7.1
Deprecated since 7.17.0
.IP CURLE_FTP_COULDNT_SET_BINARY
Introduced in 7.1
Deprecated since 7.17.0
.IP CURLE_FTP_COULDNT_SET_TYPE
Introduced in 7.17.0
.IP CURLE_FTP_COULDNT_STOR_FILE
Introduced in 7.1
.IP CURLE_FTP_COULDNT_USE_REST
Introduced in 7.1
.IP CURLE_FTP_PARTIAL_FILE
Introduced in 7.1
Deprecated since 7.1
.IP CURLE_FTP_PORT_FAILED
Introduced in 7.1
.IP CURLE_FTP_PRET_FAILED
Introduced in 7.20.0
.IP CURLE_FTP_QUOTE_ERROR
Introduced in 7.1
Deprecated since 7.17.0
.IP CURLE_FTP_SSL_FAILED
Introduced in 7.11.0
Deprecated since 7.17.0
.IP CURLE_FTP_USER_PASSWORD_INCORRECT
Introduced in 7.1
Deprecated since 7.17.0
.IP CURLE_FTP_WEIRD_227_FORMAT
Introduced in 7.1
.IP CURLE_FTP_WEIRD_PASS_REPLY
Introduced in 7.1
.IP CURLE_FTP_WEIRD_PASV_REPLY
Introduced in 7.1
.IP CURLE_FTP_WEIRD_SERVER_REPLY
Introduced in 7.1
.IP CURLE_FTP_WEIRD_USER_REPLY
Introduced in 7.1
Deprecated since 7.17.0
.IP CURLE_FTP_WRITE_ERROR
Introduced in 7.1
Deprecated since 7.17.0
.IP CURLE_FUNCTION_NOT_FOUND
Introduced in 7.1
.IP CURLE_GOT_NOTHING
Introduced in 7.9.1
.IP CURLE_HTTP2
Introduced in 7.38.0
.IP CURLE_HTTP2_STREAM
Introduced in 7.49.0
.IP CURLE_HTTP_NOT_FOUND
Introduced in 7.1
.IP CURLE_HTTP_PORT_FAILED
Introduced in 7.3
Deprecated since 7.12.0
.IP CURLE_HTTP_POST_ERROR
Introduced in 7.1
.IP CURLE_HTTP_RANGE_ERROR
Introduced in 7.1
Deprecated since 7.17.0
.IP CURLE_HTTP_RETURNED_ERROR
Introduced in 7.10.3
.IP CURLE_INTERFACE_FAILED
Introduced in 7.12.0
.IP CURLE_LDAP_CANNOT_BIND
Introduced in 7.1
.IP CURLE_LDAP_INVALID_URL
Introduced in 7.10.8
.IP CURLE_LDAP_SEARCH_FAILED
Introduced in 7.1
.IP CURLE_LIBRARY_NOT_FOUND
Introduced in 7.1
Deprecated since 7.17.0
.IP CURLE_LOGIN_DENIED
Introduced in 7.13.1
.IP CURLE_MALFORMAT_USER
Introduced in 7.1
Deprecated since 7.17.0
.IP CURLE_NOT_BUILT_IN
Introduced in 7.21.5
.IP CURLE_NO_CONNECTION_AVAILABLE
Introduced in 7.30.0
.IP CURLE_OK
Introduced in 7.1
.IP CURLE_OPERATION_TIMEDOUT
Introduced in 7.10.2
.IP CURLE_OPERATION_TIMEOUTED
Introduced in 7.1
Deprecated since 7.17.0
.IP CURLE_OUT_OF_MEMORY
Introduced in 7.1
.IP CURLE_PARTIAL_FILE
Introduced in 7.1
.IP CURLE_PEER_FAILED_VERIFICATION
Introduced in 7.17.1
.IP CURLE_QUOTE_ERROR
Introduced in 7.17.0
.IP CURLE_RANGE_ERROR
Introduced in 7.17.0
.IP CURLE_READ_ERROR
Introduced in 7.1
.IP CURLE_RECURSIVE_API_CALL
Introduced in 7.59.0
.IP CURLE_RECV_ERROR
Introduced in 7.10
.IP CURLE_REMOTE_ACCESS_DENIED
Introduced in 7.17.0
.IP CURLE_REMOTE_DISK_FULL
Introduced in 7.17.0
.IP CURLE_REMOTE_FILE_EXISTS
Introduced in 7.17.0
.IP CURLE_REMOTE_FILE_NOT_FOUND
Introduced in 7.16.1
.IP CURLE_RTSP_CSEQ_ERROR
Introduced in 7.20.0
.IP CURLE_RTSP_SESSION_ERROR
Introduced in 7.20.0
.IP CURLE_SEND_ERROR
Introduced in 7.10
.IP CURLE_SEND_FAIL_REWIND
Introduced in 7.12.3
.IP CURLE_SHARE_IN_USE
Introduced in 7.9.6
Deprecated since 7.17.0
.IP CURLE_SSH
Introduced in 7.16.1
.IP CURLE_SSL_CACERT
Introduced in 7.10
Deprecated since 7.62.0
.IP CURLE_SSL_CACERT_BADFILE
Introduced in 7.16.0
.IP CURLE_SSL_CERTPROBLEM
Introduced in 7.10
.IP CURLE_SSL_CIPHER
Introduced in 7.10
.IP CURLE_SSL_CONNECT_ERROR
Introduced in 7.1
.IP CURLE_SSL_CRL_BADFILE
Introduced in 7.19.0
.IP CURLE_SSL_ENGINE_INITFAILED
Introduced in 7.12.3
.IP CURLE_SSL_ENGINE_NOTFOUND
Introduced in 7.9.3
.IP CURLE_SSL_ENGINE_SETFAILED
Introduced in 7.9.3
.IP CURLE_SSL_INVALIDCERTSTATUS
Introduced in 7.41.0
.IP CURLE_SSL_ISSUER_ERROR
Introduced in 7.19.0
.IP CURLE_SSL_PEER_CERTIFICATE
Introduced in 7.8
Deprecated since 7.17.1
.IP CURLE_SSL_PINNEDPUBKEYNOTMATCH
Introduced in 7.39.0
.IP CURLE_SSL_SHUTDOWN_FAILED
Introduced in 7.16.1
.IP CURLE_TELNET_OPTION_SYNTAX
Introduced in 7.7
.IP CURLE_TFTP_DISKFULL
Introduced in 7.15.0
Deprecated since 7.17.0
.IP CURLE_TFTP_EXISTS
Introduced in 7.15.0
Deprecated since 7.17.0
.IP CURLE_TFTP_ILLEGAL
Introduced in 7.15.0
.IP CURLE_TFTP_NOSUCHUSER
Introduced in 7.15.0
.IP CURLE_TFTP_NOTFOUND
Introduced in 7.15.0
.IP CURLE_TFTP_PERM
Introduced in 7.15.0
.IP CURLE_TFTP_UNKNOWNID
Introduced in 7.15.0
.IP CURLE_TOO_MANY_REDIRECTS
Introduced in 7.5
.IP CURLE_UNKNOWN_OPTION
Introduced in 7.21.5
.IP CURLE_UNKNOWN_TELNET_OPTION
Introduced in 7.7
.IP CURLE_UNSUPPORTED_PROTOCOL
Introduced in 7.1
.IP CURLE_UPLOAD_FAILED
Introduced in 7.16.3
.IP CURLE_URL_MALFORMAT
Introduced in 7.1
.IP CURLE_URL_MALFORMAT_USER
Introduced in 7.1
Deprecated since 7.17.0
.IP CURLE_USE_SSL_FAILED
Introduced in 7.17.0
.IP CURLE_WEIRD_SERVER_REPLY
Introduced in 7.51.0
.IP CURLE_WRITE_ERROR
Introduced in 7.1
.IP CURLFILETYPE_DEVICE_BLOCK
Introduced in 7.21.0
.IP CURLFILETYPE_DEVICE_CHAR
Introduced in 7.21.0
.IP CURLFILETYPE_DIRECTORY
Introduced in 7.21.0
.IP CURLFILETYPE_DOOR
Introduced in 7.21.0
.IP CURLFILETYPE_FILE
Introduced in 7.21.0
.IP CURLFILETYPE_NAMEDPIPE
Introduced in 7.21.0
.IP CURLFILETYPE_SOCKET
Introduced in 7.21.0
.IP CURLFILETYPE_SYMLINK
Introduced in 7.21.0
.IP CURLFILETYPE_UNKNOWN
Introduced in 7.21.0
.IP CURLFINFOFLAG_KNOWN_FILENAME
Introduced in 7.21.0
.IP CURLFINFOFLAG_KNOWN_FILETYPE
Introduced in 7.21.0
.IP CURLFINFOFLAG_KNOWN_GID
Introduced in 7.21.0
.IP CURLFINFOFLAG_KNOWN_HLINKCOUNT
Introduced in 7.21.0
.IP CURLFINFOFLAG_KNOWN_PERM
Introduced in 7.21.0
.IP CURLFINFOFLAG_KNOWN_SIZE
Introduced in 7.21.0
.IP CURLFINFOFLAG_KNOWN_TIME
Introduced in 7.21.0
.IP CURLFINFOFLAG_KNOWN_UID
Introduced in 7.21.0
.IP CURLFORM_ARRAY
Introduced in 7.9.1
Deprecated since 7.56.0
.IP CURLFORM_ARRAY_END
Introduced in 7.9.1
Deprecated since 7.9.5
Last used in 7.9.5
.IP CURLFORM_ARRAY_START
Introduced in 7.9.1
Deprecated since 7.9.5
Last used in 7.9.5
.IP CURLFORM_BUFFER
Introduced in 7.9.8
Deprecated since 7.56.0
.IP CURLFORM_BUFFERLENGTH
Introduced in 7.9.8
Deprecated since 7.56.0
.IP CURLFORM_BUFFERPTR
Introduced in 7.9.8
Deprecated since 7.56.0
.IP CURLFORM_CONTENTHEADER
Introduced in 7.9.3
Deprecated since 7.56.0
.IP CURLFORM_CONTENTLEN
Introduced in 7.46.0
Deprecated since 7.56.0
.IP CURLFORM_CONTENTSLENGTH
Introduced in 7.9
Deprecated since 7.56.0
.IP CURLFORM_CONTENTTYPE
Introduced in 7.9
Deprecated since 7.56.0
.IP CURLFORM_COPYCONTENTS
Introduced in 7.9
Deprecated since 7.56.0
.IP CURLFORM_COPYNAME
Introduced in 7.9
Deprecated since 7.56.0
.IP CURLFORM_END
Introduced in 7.9
Deprecated since 7.56.0
.IP CURLFORM_FILE
Introduced in 7.9
Deprecated since 7.56.0
.IP CURLFORM_FILECONTENT
Introduced in 7.9.1
Deprecated since 7.56.0
.IP CURLFORM_FILENAME
Introduced in 7.9.6
Deprecated since 7.56.0
.IP CURLFORM_NAMELENGTH
Introduced in 7.9
Deprecated since 7.56.0
.IP CURLFORM_NOTHING
Introduced in 7.9
Deprecated since 7.56.0
.IP CURLFORM_PTRCONTENTS
Introduced in 7.9
Deprecated since 7.56.0
.IP CURLFORM_PTRNAME
Introduced in 7.9
Deprecated since 7.56.0
.IP CURLFORM_STREAM
Introduced in 7.18.2
Deprecated since 7.56.0
.IP CURLFTPAUTH_DEFAULT
Introduced in 7.12.2
.IP CURLFTPAUTH_SSL
Introduced in 7.12.2
.IP CURLFTPAUTH_TLS
Introduced in 7.12.2
.IP CURLFTPMETHOD_DEFAULT
Introduced in 7.15.3
.IP CURLFTPMETHOD_MULTICWD
Introduced in 7.15.3
.IP CURLFTPMETHOD_NOCWD
Introduced in 7.15.3
.IP CURLFTPMETHOD_SINGLECWD
Introduced in 7.15.3
.IP CURLFTPSSL_ALL
Introduced in 7.11.0
Deprecated since 7.17.0
.IP CURLFTPSSL_CCC_ACTIVE
Introduced in 7.16.2
.IP CURLFTPSSL_CCC_NONE
Introduced in 7.16.2
.IP CURLFTPSSL_CCC_PASSIVE
Introduced in 7.16.1
.IP CURLFTPSSL_CONTROL
Introduced in 7.11.0
Deprecated since 7.17.0
.IP CURLFTPSSL_NONE
Introduced in 7.11.0
Deprecated since 7.17.0
.IP CURLFTPSSL_TRY
Introduced in 7.11.0
Deprecated since 7.17.0
.IP CURLFTP_CREATE_DIR
Introduced in 7.19.4
.IP CURLFTP_CREATE_DIR_NONE
Introduced in 7.19.4
.IP CURLFTP_CREATE_DIR_RETRY
Introduced in 7.19.4
.IP CURLGSSAPI_DELEGATION_FLAG
Introduced in 7.22.0
.IP CURLGSSAPI_DELEGATION_NONE
Introduced in 7.22.0
.IP CURLGSSAPI_DELEGATION_POLICY_FLAG
Introduced in 7.22.0
.IP CURLHEADER_SEPARATE
Introduced in 7.37.0
.IP CURLHEADER_UNIFIED
Introduced in 7.37.0
.IP CURLINFO_ACTIVESOCKET
Introduced in 7.45.0
.IP CURLINFO_APPCONNECT_TIME
Introduced in 7.19.0
.IP CURLINFO_APPCONNECT_TIME_T
Introduced in 7.61.0
.IP CURLINFO_CERTINFO
Introduced in 7.19.1
.IP CURLINFO_CONDITION_UNMET
Introduced in 7.19.4
.IP CURLINFO_CONNECT_TIME
Introduced in 7.4.1
.IP CURLINFO_CONNECT_TIME_T
Introduced in 7.61.0
.IP CURLINFO_CONTENT_LENGTH_DOWNLOAD
Introduced in 7.6.1
.IP CURLINFO_CONTENT_LENGTH_DOWNLOAD_T
Introduced in 7.55.0
.IP CURLINFO_CONTENT_LENGTH_UPLOAD
Introduced in 7.6.1
.IP CURLINFO_CONTENT_LENGTH_UPLOAD_T
Introduced in 7.55.0
.IP CURLINFO_CONTENT_TYPE
Introduced in 7.9.4
.IP CURLINFO_COOKIELIST
Introduced in 7.14.1
.IP CURLINFO_DATA_IN
Introduced in 7.9.6
.IP CURLINFO_DATA_OUT
Introduced in 7.9.6
.IP CURLINFO_DOUBLE
Introduced in 7.4.1
.IP CURLINFO_EFFECTIVE_URL
Introduced in 7.4
.IP CURLINFO_END
Introduced in 7.9.6
.IP CURLINFO_FILETIME
Introduced in 7.5
.IP CURLINFO_FILETIME_T
Introduced in 7.59.0
.IP CURLINFO_FTP_ENTRY_PATH
Introduced in 7.15.4
.IP CURLINFO_HEADER_IN
Introduced in 7.9.6
.IP CURLINFO_HEADER_OUT
Introduced in 7.9.6
.IP CURLINFO_HEADER_SIZE
Introduced in 7.4.1
.IP CURLINFO_HTTPAUTH_AVAIL
Introduced in 7.10.8
.IP CURLINFO_HTTP_CODE
Introduced in 7.4.1
Deprecated since 7.10.8
.IP CURLINFO_HTTP_CONNECTCODE
Introduced in 7.10.7
.IP CURLINFO_HTTP_VERSION
Introduced in 7.50.0
.IP CURLINFO_LASTONE
Introduced in 7.4.1
.IP CURLINFO_LASTSOCKET
Introduced in 7.15.2
.IP CURLINFO_LOCAL_IP
Introduced in 7.21.0
.IP CURLINFO_LOCAL_PORT
Introduced in 7.21.0
.IP CURLINFO_LONG
Introduced in 7.4.1
.IP CURLINFO_MASK
Introduced in 7.4.1
.IP CURLINFO_NAMELOOKUP_TIME
Introduced in 7.4.1
.IP CURLINFO_NAMELOOKUP_TIME_T
Introduced in 7.61.0
.IP CURLINFO_NONE
Introduced in 7.4.1
.IP CURLINFO_NUM_CONNECTS
Introduced in 7.12.3
.IP CURLINFO_OFF_T
Introduced in 7.55.0
.IP CURLINFO_OS_ERRNO
Introduced in 7.12.2
.IP CURLINFO_PRETRANSFER_TIME
Introduced in 7.4.1
.IP CURLINFO_PRETRANSFER_TIME_T
Introduced in 7.61.0
.IP CURLINFO_PRIMARY_IP
Introduced in 7.19.0
.IP CURLINFO_PRIMARY_PORT
Introduced in 7.21.0
.IP CURLINFO_PRIVATE
Introduced in 7.10.3
.IP CURLINFO_PROTOCOL
Introduced in 7.52.0
.IP CURLINFO_PROXYAUTH_AVAIL
Introduced in 7.10.8
.IP CURLINFO_PROXY_SSL_VERIFYRESULT
Introduced in 7.52.0
.IP CURLINFO_PTR
Introduced in 7.54.1
.IP CURLINFO_REDIRECT_COUNT
Introduced in 7.9.7
.IP CURLINFO_REDIRECT_TIME
Introduced in 7.9.7
.IP CURLINFO_REDIRECT_TIME_T
Introduced in 7.61.0
.IP CURLINFO_REDIRECT_URL
Introduced in 7.18.2
.IP CURLINFO_REQUEST_SIZE
Introduced in 7.4.1
.IP CURLINFO_RESPONSE_CODE
Introduced in 7.10.8
.IP CURLINFO_RETRY_AFTER
Introduced in 7.66.0
.IP CURLINFO_RTSP_CLIENT_CSEQ
Introduced in 7.20.0
.IP CURLINFO_RTSP_CSEQ_RECV
Introduced in 7.20.0
.IP CURLINFO_RTSP_SERVER_CSEQ
Introduced in 7.20.0
.IP CURLINFO_RTSP_SESSION_ID
Introduced in 7.20.0
.IP CURLINFO_SCHEME
Introduced in 7.52.0
.IP CURLINFO_SIZE_DOWNLOAD
Introduced in 7.4.1
.IP CURLINFO_SIZE_DOWNLOAD_T
Introduced in 7.55.0
.IP CURLINFO_SIZE_UPLOAD
Introduced in 7.4.1
.IP CURLINFO_SIZE_UPLOAD_T
Introduced in 7.55.0
.IP CURLINFO_SLIST
Introduced in 7.12.3
.IP CURLINFO_SOCKET
Introduced in 7.45.0
.IP CURLINFO_SPEED_DOWNLOAD
Introduced in 7.4.1
.IP CURLINFO_SPEED_DOWNLOAD_T
Introduced in 7.55.0
.IP CURLINFO_SPEED_UPLOAD
Introduced in 7.4.1
.IP CURLINFO_SPEED_UPLOAD_T
Introduced in 7.55.0
.IP CURLINFO_SSL_DATA_IN
Introduced in 7.12.1
.IP CURLINFO_SSL_DATA_OUT
Introduced in 7.12.1
.IP CURLINFO_SSL_ENGINES
Introduced in 7.12.3
.IP CURLINFO_SSL_VERIFYRESULT
Introduced in 7.5
.IP CURLINFO_STARTTRANSFER_TIME
Introduced in 7.9.2
.IP CURLINFO_STARTTRANSFER_TIME_T
Introduced in 7.61.0
.IP CURLINFO_STRING
Introduced in 7.4.1
.IP CURLINFO_TEXT
Introduced in 7.9.6
.IP CURLINFO_TLS_SESSION
Introduced in 7.34.0
Deprecated since 7.48.0
.IP CURLINFO_TLS_SSL_PTR
Introduced in 7.48.0
.IP CURLINFO_TOTAL_TIME
Introduced in 7.4.1
.IP CURLINFO_TOTAL_TIME_T
Introduced in 7.61.0
.IP CURLINFO_TYPEMASK
Introduced in 7.4.1
.IP CURLIOCMD_NOP
Introduced in 7.12.3
.IP CURLIOCMD_RESTARTREAD
Introduced in 7.12.3
.IP CURLIOE_FAILRESTART
Introduced in 7.12.3
.IP CURLIOE_OK
Introduced in 7.12.3
.IP CURLIOE_UNKNOWNCMD
Introduced in 7.12.3
.IP CURLKHMATCH_MISMATCH
Introduced in 7.19.6
.IP CURLKHMATCH_MISSING
Introduced in 7.19.6
.IP CURLKHMATCH_OK
Introduced in 7.19.6
.IP CURLKHSTAT_DEFER
Introduced in 7.19.6
.IP CURLKHSTAT_FINE
Introduced in 7.19.6
.IP CURLKHSTAT_FINE_ADD_TO_FILE
Introduced in 7.19.6
.IP CURLKHSTAT_REJECT
Introduced in 7.19.6
.IP CURLKHTYPE_DSS
Introduced in 7.19.6
.IP CURLKHTYPE_ECDSA
Introduced in 7.58.0
.IP CURLKHTYPE_ED25519
Introduced in 7.58.0
.IP CURLKHTYPE_RSA
Introduced in 7.19.6
.IP CURLKHTYPE_RSA1
Introduced in 7.19.6
.IP CURLKHTYPE_UNKNOWN
Introduced in 7.19.6
.IP CURLMOPT_CHUNK_LENGTH_PENALTY_SIZE
Introduced in 7.30.0
.IP CURLMOPT_CONTENT_LENGTH_PENALTY_SIZE
Introduced in 7.30.0
.IP CURLMOPT_MAXCONNECTS
Introduced in 7.16.3
.IP CURLMOPT_MAX_HOST_CONNECTIONS
Introduced in 7.30.0
.IP CURLMOPT_MAX_PIPELINE_LENGTH
Introduced in 7.30.0
.IP CURLMOPT_MAX_TOTAL_CONNECTIONS
Introduced in 7.30.0
.IP CURLMOPT_MAX_CONCURRENT_STREAMS
Introduced in 7.67.0
.IP CURLMOPT_PIPELINING
Introduced in 7.16.0
.IP CURLMOPT_PIPELINING_SERVER_BL
Introduced in 7.30.0
.IP CURLMOPT_PIPELINING_SITE_BL
Introduced in 7.30.0
.IP CURLMOPT_PUSHDATA
Introduced in 7.44.0
.IP CURLMOPT_PUSHFUNCTION
Introduced in 7.44.0
.IP CURLMOPT_SOCKETDATA
Introduced in 7.15.4
.IP CURLMOPT_SOCKETFUNCTION
Introduced in 7.15.4
.IP CURLMOPT_TIMERDATA
Introduced in 7.16.0
.IP CURLMOPT_TIMERFUNCTION
Introduced in 7.16.0
.IP CURLMSG_DONE
Introduced in 7.9.6
.IP CURLMSG_NONE
Introduced in 7.9.6
.IP CURLM_ADDED_ALREADY
Introduced in 7.32.1
.IP CURLM_BAD_EASY_HANDLE
Introduced in 7.9.6
.IP CURLM_BAD_HANDLE
Introduced in 7.9.6
.IP CURLM_BAD_SOCKET
Introduced in 7.15.4
.IP CURLM_CALL_MULTI_PERFORM
Introduced in 7.9.6
.IP CURLM_CALL_MULTI_SOCKET
Introduced in 7.15.5
.IP CURLM_INTERNAL_ERROR
Introduced in 7.9.6
.IP CURLM_OK
Introduced in 7.9.6
.IP CURLM_OUT_OF_MEMORY
Introduced in 7.9.6
.IP CURLM_RECURSIVE_API_CALL
Introduced in 7.59.0
.IP CURLM_UNKNOWN_OPTION
Introduced in 7.15.4
.IP CURLOPTTYPE_FUNCTIONPOINT
Introduced in 7.1
.IP CURLOPTTYPE_LONG
Introduced in 7.1
.IP CURLOPTTYPE_OBJECTPOINT
Introduced in 7.1
.IP CURLOPTTYPE_OFF_T
Introduced in 7.11.0
.IP CURLOPTTYPE_STRINGPOINT
Introduced in 7.46.0
.IP CURLOPTTYPE_SLISTPOINT
Introduced in 7.65.2
.IP CURLOPT_ABSTRACT_UNIX_SOCKET
Introduced in 7.53.0
.IP CURLOPT_ACCEPTTIMEOUT_MS
Introduced in 7.24.0
.IP CURLOPT_ACCEPT_ENCODING
Introduced in 7.21.6
.IP CURLOPT_ADDRESS_SCOPE
Introduced in 7.19.0
.IP CURLOPT_ALTSVC
Introduced in 7.64.1
.IP CURLOPT_ALTSVC_CTRL
Introduced in 7.64.1
.IP CURLOPT_APPEND
Introduced in 7.17.0
.IP CURLOPT_AUTOREFERER
Introduced in 7.1
.IP CURLOPT_BUFFERSIZE
Introduced in 7.10
.IP CURLOPT_CAINFO
Introduced in 7.4.2
.IP CURLOPT_CAPATH
Introduced in 7.9.8
.IP CURLOPT_CERTINFO
Introduced in 7.19.1
.IP CURLOPT_CHUNK_BGN_FUNCTION
Introduced in 7.21.0
.IP CURLOPT_CHUNK_DATA
Introduced in 7.21.0
.IP CURLOPT_CHUNK_END_FUNCTION
Introduced in 7.21.0
.IP CURLOPT_CLOSEFUNCTION
Introduced in 7.7
Deprecated since 7.11.1
Last used in 7.11.1
.IP CURLOPT_CLOSEPOLICY
Introduced in 7.7
Deprecated since 7.16.1
.IP CURLOPT_CLOSESOCKETDATA
Introduced in 7.21.7
.IP CURLOPT_CLOSESOCKETFUNCTION
Introduced in 7.21.7
.IP CURLOPT_CONNECTTIMEOUT
Introduced in 7.7
.IP CURLOPT_CONNECTTIMEOUT_MS
Introduced in 7.16.2
.IP CURLOPT_CONNECT_ONLY
Introduced in 7.15.2
.IP CURLOPT_CONNECT_TO
Introduced in 7.49.0
.IP CURLOPT_CONV_FROM_NETWORK_FUNCTION
Introduced in 7.15.4
.IP CURLOPT_CONV_FROM_UTF8_FUNCTION
Introduced in 7.15.4
.IP CURLOPT_CONV_TO_NETWORK_FUNCTION
Introduced in 7.15.4
.IP CURLOPT_COOKIE
Introduced in 7.1
.IP CURLOPT_COOKIEFILE
Introduced in 7.1
.IP CURLOPT_COOKIEJAR
Introduced in 7.9
.IP CURLOPT_COOKIELIST
Introduced in 7.14.1
.IP CURLOPT_COOKIESESSION
Introduced in 7.9.7
.IP CURLOPT_COPYPOSTFIELDS
Introduced in 7.17.1
.IP CURLOPT_CRLF
Introduced in 7.1
.IP CURLOPT_CRLFILE
Introduced in 7.19.0
.IP CURLOPT_CURLU
Introduced in 7.63.0
.IP CURLOPT_CUSTOMREQUEST
Introduced in 7.1
.IP CURLOPT_DEBUGDATA
Introduced in 7.9.6
.IP CURLOPT_DEBUGFUNCTION
Introduced in 7.9.6
.IP CURLOPT_DEFAULT_PROTOCOL
Introduced in 7.45.0
.IP CURLOPT_DIRLISTONLY
Introduced in 7.17.0
.IP CURLOPT_DISALLOW_USERNAME_IN_URL
Introduced in 7.61.0
.IP CURLOPT_DNS_CACHE_TIMEOUT
Introduced in 7.9.3
.IP CURLOPT_DNS_INTERFACE
Introduced in 7.33.0
.IP CURLOPT_DNS_LOCAL_IP4
Introduced in 7.33.0
.IP CURLOPT_DNS_LOCAL_IP6
Introduced in 7.33.0
.IP CURLOPT_DNS_SERVERS
Introduced in 7.24.0
.IP CURLOPT_DNS_SHUFFLE_ADDRESSES
Introduced in 7.60.0
.IP CURLOPT_DNS_USE_GLOBAL_CACHE
Introduced in 7.9.3
Deprecated since 7.11.1
.IP CURLOPT_DOH_URL
Introduced in 7.62.0
.IP CURLOPT_EGDSOCKET
Introduced in 7.7
.IP CURLOPT_ENCODING
Introduced in 7.10
.IP CURLOPT_ERRORBUFFER
Introduced in 7.1
.IP CURLOPT_EXPECT_100_TIMEOUT_MS
Introduced in 7.36.0
.IP CURLOPT_FAILONERROR
Introduced in 7.1
.IP CURLOPT_FILE
Introduced in 7.1
Deprecated since 7.9.7
.IP CURLOPT_FILETIME
Introduced in 7.5
.IP CURLOPT_FNMATCH_DATA
Introduced in 7.21.0
.IP CURLOPT_FNMATCH_FUNCTION
Introduced in 7.21.0
.IP CURLOPT_FOLLOWLOCATION
Introduced in 7.1
.IP CURLOPT_FORBID_REUSE
Introduced in 7.7
.IP CURLOPT_FRESH_CONNECT
Introduced in 7.7
.IP CURLOPT_FTPAPPEND
Introduced in 7.1
Deprecated since 7.16.4
.IP CURLOPT_FTPASCII
Introduced in 7.1
Deprecated since 7.11.1
Last used in 7.11.1
.IP CURLOPT_FTPLISTONLY
Introduced in 7.1
Deprecated since 7.16.4
.IP CURLOPT_FTPPORT
Introduced in 7.1
.IP CURLOPT_FTPSSLAUTH
Introduced in 7.12.2
.IP CURLOPT_FTP_ACCOUNT
Introduced in 7.13.0
.IP CURLOPT_FTP_ALTERNATIVE_TO_USER
Introduced in 7.15.5
.IP CURLOPT_FTP_CREATE_MISSING_DIRS
Introduced in 7.10.7
.IP CURLOPT_FTP_FILEMETHOD
Introduced in 7.15.1
.IP CURLOPT_FTP_RESPONSE_TIMEOUT
Introduced in 7.10.8
.IP CURLOPT_FTP_SKIP_PASV_IP
Introduced in 7.15.0
.IP CURLOPT_FTP_SSL
Introduced in 7.11.0
Deprecated since 7.16.4
.IP CURLOPT_FTP_SSL_CCC
Introduced in 7.16.1
.IP CURLOPT_FTP_USE_EPRT
Introduced in 7.10.5
.IP CURLOPT_FTP_USE_EPSV
Introduced in 7.9.2
.IP CURLOPT_FTP_USE_PRET
Introduced in 7.20.0
.IP CURLOPT_GSSAPI_DELEGATION
Introduced in 7.22.0
.IP CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS
Introduced in 7.59.0
.IP CURLOPT_HAPROXYPROTOCOL
Introduced in 7.60.0
.IP CURLOPT_HEADER
Introduced in 7.1
.IP CURLOPT_HEADERDATA
Introduced in 7.10
.IP CURLOPT_HEADERFUNCTION
Introduced in 7.7.2
.IP CURLOPT_HEADEROPT
Introduced in 7.37.0
.IP CURLOPT_HTTP09_ALLOWED
Introduced in 7.64.0
.IP CURLOPT_HTTP200ALIASES
Introduced in 7.10.3
.IP CURLOPT_HTTPAUTH
Introduced in 7.10.6
.IP CURLOPT_HTTPGET
Introduced in 7.8.1
.IP CURLOPT_HTTPHEADER
Introduced in 7.1
.IP CURLOPT_HTTPPOST
Introduced in 7.1
Deprecated since 7.56.0
.IP CURLOPT_HTTPPROXYTUNNEL
Introduced in 7.3
.IP CURLOPT_HTTPREQUEST
Introduced in 7.1
.IP CURLOPT_HTTP_CONTENT_DECODING
Introduced in 7.16.2
.IP CURLOPT_HTTP_TRANSFER_DECODING
Introduced in 7.16.2
.IP CURLOPT_HTTP_VERSION
Introduced in 7.9.1
.IP CURLOPT_IGNORE_CONTENT_LENGTH
Introduced in 7.14.1
.IP CURLOPT_INFILE
Introduced in 7.1
Deprecated since 7.9.7
.IP CURLOPT_INFILESIZE
Introduced in 7.1
.IP CURLOPT_INFILESIZE_LARGE
Introduced in 7.11.0
.IP CURLOPT_INTERFACE
Introduced in 7.3
.IP CURLOPT_INTERLEAVEDATA
Introduced in 7.20.0
.IP CURLOPT_INTERLEAVEFUNCTION
Introduced in 7.20.0
.IP CURLOPT_IOCTLDATA
Introduced in 7.12.3
.IP CURLOPT_IOCTLFUNCTION
Introduced in 7.12.3
.IP CURLOPT_IPRESOLVE
Introduced in 7.10.8
.IP CURLOPT_ISSUERCERT
Introduced in 7.19.0
.IP CURLOPT_KEEP_SENDING_ON_ERROR
Introduced in 7.51.0
.IP CURLOPT_KEYPASSWD
Introduced in 7.17.0
.IP CURLOPT_KRB4LEVEL
Introduced in 7.3
Deprecated since 7.17.0
.IP CURLOPT_KRBLEVEL
Introduced in 7.16.4
.IP CURLOPT_LOCALPORT
Introduced in 7.15.2
.IP CURLOPT_LOCALPORTRANGE
Introduced in 7.15.2
.IP CURLOPT_LOGIN_OPTIONS
Introduced in 7.34.0
.IP CURLOPT_LOW_SPEED_LIMIT
Introduced in 7.1
.IP CURLOPT_LOW_SPEED_TIME
Introduced in 7.1
.IP CURLOPT_MAIL_AUTH
Introduced in 7.25.0
.IP CURLOPT_MAIL_FROM
Introduced in 7.20.0
.IP CURLOPT_MAIL_RCPT
Introduced in 7.20.0
.IP CURLOPT_MAXAGE_CONN
Introduced in 7.65.0
.IP CURLOPT_MAXCONNECTS
Introduced in 7.7
.IP CURLOPT_MAXFILESIZE
Introduced in 7.10.8
.IP CURLOPT_MAXFILESIZE_LARGE
Introduced in 7.11.0
.IP CURLOPT_MAXREDIRS
Introduced in 7.5
.IP CURLOPT_MAX_RECV_SPEED_LARGE
Introduced in 7.15.5
.IP CURLOPT_MAX_SEND_SPEED_LARGE
Introduced in 7.15.5
.IP CURLOPT_MIMEPOST
Introduced in 7.56.0
.IP CURLOPT_MUTE
Introduced in 7.1
Deprecated since 7.8
Last used in 7.8
.IP CURLOPT_NETRC
Introduced in 7.1
.IP CURLOPT_NETRC_FILE
Introduced in 7.11.0
.IP CURLOPT_NEW_DIRECTORY_PERMS
Introduced in 7.16.4
.IP CURLOPT_NEW_FILE_PERMS
Introduced in 7.16.4
.IP CURLOPT_NOBODY
Introduced in 7.1
.IP CURLOPT_NOPROGRESS
Introduced in 7.1
.IP CURLOPT_NOPROXY
Introduced in 7.19.4
.IP CURLOPT_NOSIGNAL
Introduced in 7.10
.IP CURLOPT_NOTHING
Introduced in 7.1.1
Deprecated since 7.11.1
Last used in 7.11.1
.IP CURLOPT_OPENSOCKETDATA
Introduced in 7.17.1
.IP CURLOPT_OPENSOCKETFUNCTION
Introduced in 7.17.1
.IP CURLOPT_PASSWDDATA
Introduced in 7.4.2
Deprecated since 7.11.1
Last used in 7.11.1
.IP CURLOPT_PASSWDFUNCTION
Introduced in 7.4.2
Deprecated since 7.11.1
Last used in 7.11.1
.IP CURLOPT_PASSWORD
Introduced in 7.19.1
.IP CURLOPT_PASV_HOST
Introduced in 7.12.1
Deprecated since 7.16.0
Last used in 7.16.0
.IP CURLOPT_PATH_AS_IS
Introduced in 7.42.0
.IP CURLOPT_PINNEDPUBLICKEY
Introduced in 7.39.0
.IP CURLOPT_PIPEWAIT
Introduced in 7.43.0
.IP CURLOPT_PORT
Introduced in 7.1
.IP CURLOPT_POST
Introduced in 7.1
.IP CURLOPT_POST301
Introduced in 7.17.1
Deprecated since 7.19.1
.IP CURLOPT_POSTFIELDS
Introduced in 7.1
.IP CURLOPT_POSTFIELDSIZE
Introduced in 7.2
.IP CURLOPT_POSTFIELDSIZE_LARGE
Introduced in 7.11.1
.IP CURLOPT_POSTQUOTE
Introduced in 7.1
.IP CURLOPT_POSTREDIR
Introduced in 7.19.1
.IP CURLOPT_PREQUOTE
Introduced in 7.9.5
.IP CURLOPT_PRE_PROXY
Introduced in 7.52.0
.IP CURLOPT_PRIVATE
Introduced in 7.10.3
.IP CURLOPT_PROGRESSDATA
Introduced in 7.1
.IP CURLOPT_PROGRESSFUNCTION
Introduced in 7.1
Deprecated since 7.32.0
.IP CURLOPT_PROTOCOLS
Introduced in 7.19.4
.IP CURLOPT_PROXY
Introduced in 7.1
.IP CURLOPT_PROXYAUTH
Introduced in 7.10.7
.IP CURLOPT_PROXYHEADER
Introduced in 7.37.0
.IP CURLOPT_PROXYPASSWORD
Introduced in 7.19.1
.IP CURLOPT_PROXYPORT
Introduced in 7.1
.IP CURLOPT_PROXYTYPE
Introduced in 7.10
.IP CURLOPT_PROXYUSERNAME
Introduced in 7.19.1
.IP CURLOPT_PROXYUSERPWD
Introduced in 7.1
.IP CURLOPT_PROXY_CAINFO
Introduced in 7.52.0
.IP CURLOPT_PROXY_CAPATH
Introduced in 7.52.0
.IP CURLOPT_PROXY_CRLFILE
Introduced in 7.52.0
.IP CURLOPT_PROXY_KEYPASSWD
Introduced in 7.52.0
.IP CURLOPT_PROXY_PINNEDPUBLICKEY
Introduced in 7.52.0
.IP CURLOPT_PROXY_SERVICE_NAME
Introduced in 7.43.0
.IP CURLOPT_PROXY_SSLCERT
Introduced in 7.52.0
.IP CURLOPT_PROXY_SSLCERTTYPE
Introduced in 7.52.0
.IP CURLOPT_PROXY_SSLKEY
Introduced in 7.52.0
.IP CURLOPT_PROXY_SSLKEYTYPE
Introduced in 7.52.0
.IP CURLOPT_PROXY_SSLVERSION
Introduced in 7.52.0
.IP CURLOPT_PROXY_SSL_CIPHER_LIST
Introduced in 7.52.0
.IP CURLOPT_PROXY_SSL_OPTIONS
Introduced in 7.52.0
.IP CURLOPT_PROXY_SSL_VERIFYHOST
Introduced in 7.52.0
.IP CURLOPT_PROXY_SSL_VERIFYPEER
Introduced in 7.52.0
.IP CURLOPT_PROXY_TLS13_CIPHERS
Introduced in 7.61.0
.IP CURLOPT_PROXY_TLSAUTH_PASSWORD
Introduced in 7.52.0
.IP CURLOPT_PROXY_TLSAUTH_TYPE
Introduced in 7.52.0
.IP CURLOPT_PROXY_TLSAUTH_USERNAME
Introduced in 7.52.0
.IP CURLOPT_PROXY_TRANSFER_MODE
Introduced in 7.18.0
.IP CURLOPT_PUT
Introduced in 7.1
.IP CURLOPT_QUOTE
Introduced in 7.1
.IP CURLOPT_RANDOM_FILE
Introduced in 7.7
.IP CURLOPT_RANGE
Introduced in 7.1
.IP CURLOPT_READDATA
Introduced in 7.9.7
.IP CURLOPT_READFUNCTION
Introduced in 7.1
.IP CURLOPT_REDIR_PROTOCOLS
Introduced in 7.19.4
.IP CURLOPT_REFERER
Introduced in 7.1
.IP CURLOPT_REQUEST_TARGET
Introduced in 7.55.0
.IP CURLOPT_RESOLVE
Introduced in 7.21.3
.IP CURLOPT_RESOLVER_START_DATA
Introduced in 7.59.0
.IP CURLOPT_RESOLVER_START_FUNCTION
Introduced in 7.59.0
.IP CURLOPT_RESUME_FROM
Introduced in 7.1
.IP CURLOPT_RESUME_FROM_LARGE
Introduced in 7.11.0
.IP CURLOPT_RTSPHEADER
Introduced in 7.20.0
.IP CURLOPT_RTSP_CLIENT_CSEQ
Introduced in 7.20.0
.IP CURLOPT_RTSP_REQUEST
Introduced in 7.20.0
.IP CURLOPT_RTSP_SERVER_CSEQ
Introduced in 7.20.0
.IP CURLOPT_RTSP_SESSION_ID
Introduced in 7.20.0
.IP CURLOPT_RTSP_STREAM_URI
Introduced in 7.20.0
.IP CURLOPT_RTSP_TRANSPORT
Introduced in 7.20.0
.IP CURLOPT_SASL_AUTHZID
Introduced in 7.66.0
.IP CURLOPT_SASL_IR
Introduced in 7.31.0
.IP CURLOPT_SEEKDATA
Introduced in 7.18.0
.IP CURLOPT_SEEKFUNCTION
Introduced in 7.18.0
.IP CURLOPT_SERVER_RESPONSE_TIMEOUT
Introduced in 7.20.0
.IP CURLOPT_SERVICE_NAME
Introduced in 7.43.0
.IP CURLOPT_SHARE
Introduced in 7.10
.IP CURLOPT_SOCKOPTDATA
Introduced in 7.16.0
.IP CURLOPT_SOCKOPTFUNCTION
Introduced in 7.16.0
.IP CURLOPT_SOCKS5_AUTH
Introduced in 7.55.0
.IP CURLOPT_SOCKS5_GSSAPI_NEC
Introduced in 7.19.4
.IP CURLOPT_SOCKS5_GSSAPI_SERVICE
Introduced in 7.19.4
Deprecated since 7.49.0
.IP CURLOPT_SOURCE_HOST
Introduced in 7.12.1
.IP CURLOPT_SOURCE_PATH
Introduced in 7.12.1
.IP CURLOPT_SOURCE_PORT
Introduced in 7.12.1
.IP CURLOPT_SOURCE_POSTQUOTE
Introduced in 7.12.1
.IP CURLOPT_SOURCE_PREQUOTE
Introduced in 7.12.1
.IP CURLOPT_SOURCE_QUOTE
Introduced in 7.13.0
.IP CURLOPT_SOURCE_URL
Introduced in 7.13.0
.IP CURLOPT_SOURCE_USERPWD
Introduced in 7.12.1
.IP CURLOPT_SSH_AUTH_TYPES
Introduced in 7.16.1
.IP CURLOPT_SSH_COMPRESSION
Introduced in 7.56.0
.IP CURLOPT_SSH_HOST_PUBLIC_KEY_MD5
Introduced in 7.17.1
.IP CURLOPT_SSH_KEYDATA
Introduced in 7.19.6
.IP CURLOPT_SSH_KEYFUNCTION
Introduced in 7.19.6
.IP CURLOPT_SSH_KNOWNHOSTS
Introduced in 7.19.6
.IP CURLOPT_SSH_PRIVATE_KEYFILE
Introduced in 7.16.1
.IP CURLOPT_SSH_PUBLIC_KEYFILE
Introduced in 7.16.1
.IP CURLOPT_SSLCERT
Introduced in 7.1
.IP CURLOPT_SSLCERTPASSWD
Introduced in 7.1.1
Deprecated since 7.17.0
.IP CURLOPT_SSLCERTTYPE
Introduced in 7.9.3
.IP CURLOPT_SSLENGINE
Introduced in 7.9.3
.IP CURLOPT_SSLENGINE_DEFAULT
Introduced in 7.9.3
.IP CURLOPT_SSLKEY
Introduced in 7.9.3
.IP CURLOPT_SSLKEYPASSWD
Introduced in 7.9.3
Deprecated since 7.17.0
.IP CURLOPT_SSLKEYTYPE
Introduced in 7.9.3
.IP CURLOPT_SSLVERSION
Introduced in 7.1
.IP CURLOPT_SSL_CIPHER_LIST
Introduced in 7.9
.IP CURLOPT_SSL_CTX_DATA
Introduced in 7.10.6
.IP CURLOPT_SSL_CTX_FUNCTION
Introduced in 7.10.6
.IP CURLOPT_SSL_ENABLE_ALPN
Introduced in 7.36.0
.IP CURLOPT_SSL_ENABLE_NPN
Introduced in 7.36.0
.IP CURLOPT_SSL_FALSESTART
Introduced in 7.42.0
.IP CURLOPT_SSL_OPTIONS
Introduced in 7.25.0
.IP CURLOPT_SSL_SESSIONID_CACHE
Introduced in 7.16.0
.IP CURLOPT_SSL_VERIFYHOST
Introduced in 7.8.1
.IP CURLOPT_SSL_VERIFYPEER
Introduced in 7.4.2
.IP CURLOPT_SSL_VERIFYSTATUS
Introduced in 7.41.0
.IP CURLOPT_STDERR
Introduced in 7.1
.IP CURLOPT_STREAM_DEPENDS
Introduced in 7.46.0
.IP CURLOPT_STREAM_DEPENDS_E
Introduced in 7.46.0
.IP CURLOPT_STREAM_WEIGHT
Introduced in 7.46.0
.IP CURLOPT_SUPPRESS_CONNECT_HEADERS
Introduced in 7.54.0
.IP CURLOPT_TCP_FASTOPEN
Introduced in 7.49.0
.IP CURLOPT_TCP_KEEPALIVE
Introduced in 7.25.0
.IP CURLOPT_TCP_KEEPIDLE
Introduced in 7.25.0
.IP CURLOPT_TCP_KEEPINTVL
Introduced in 7.25.0
.IP CURLOPT_TCP_NODELAY
Introduced in 7.11.2
.IP CURLOPT_TELNETOPTIONS
Introduced in 7.7
.IP CURLOPT_TFTP_BLKSIZE
Introduced in 7.19.4
.IP CURLOPT_TFTP_NO_OPTIONS
Introduced in 7.48.0
.IP CURLOPT_TIMECONDITION
Introduced in 7.1
.IP CURLOPT_TIMEOUT
Introduced in 7.1
.IP CURLOPT_TIMEOUT_MS
Introduced in 7.16.2
.IP CURLOPT_TIMEVALUE
Introduced in 7.1
.IP CURLOPT_TIMEVALUE_LARGE
Introduced in 7.59.0
.IP CURLOPT_TLS13_CIPHERS
Introduced in 7.61.0
.IP CURLOPT_TLSAUTH_PASSWORD
Introduced in 7.21.4
.IP CURLOPT_TLSAUTH_TYPE
Introduced in 7.21.4
.IP CURLOPT_TLSAUTH_USERNAME
Introduced in 7.21.4
.IP CURLOPT_TRAILERDATA
Introduced in 7.64.0
.IP CURLOPT_TRAILERFUNCTION
Introduced in 7.64.0
.IP CURLOPT_TRANSFERTEXT
Introduced in 7.1.1
.IP CURLOPT_TRANSFER_ENCODING
Introduced in 7.21.6
.IP CURLOPT_UNIX_SOCKET_PATH
Introduced in 7.40.0
.IP CURLOPT_UNRESTRICTED_AUTH
Introduced in 7.10.4
.IP CURLOPT_UPKEEP_INTERVAL_MS
Introduced in 7.62.0
.IP CURLOPT_UPLOAD
Introduced in 7.1
.IP CURLOPT_UPLOAD_BUFFERSIZE
Introduced in 7.62.0
.IP CURLOPT_URL
Introduced in 7.1
.IP CURLOPT_USERAGENT
Introduced in 7.1
.IP CURLOPT_USERNAME
Introduced in 7.19.1
.IP CURLOPT_USERPWD
Introduced in 7.1
.IP CURLOPT_USE_SSL
Introduced in 7.17.0
.IP CURLOPT_VERBOSE
Introduced in 7.1
.IP CURLOPT_WILDCARDMATCH
Introduced in 7.21.0
.IP CURLOPT_WRITEDATA
Introduced in 7.9.7
.IP CURLOPT_WRITEFUNCTION
Introduced in 7.1
.IP CURLOPT_WRITEHEADER
Introduced in 7.1
.IP CURLOPT_WRITEINFO
Introduced in 7.1
.IP CURLOPT_XFERINFODATA
Introduced in 7.32.0
.IP CURLOPT_XFERINFOFUNCTION
Introduced in 7.32.0
.IP CURLOPT_XOAUTH2_BEARER
Introduced in 7.33.0
.IP CURLPAUSE_ALL
Introduced in 7.18.0
.IP CURLPAUSE_CONT
Introduced in 7.18.0
.IP CURLPAUSE_RECV
Introduced in 7.18.0
.IP CURLPAUSE_RECV_CONT
Introduced in 7.18.0
.IP CURLPAUSE_SEND
Introduced in 7.18.0
.IP CURLPAUSE_SEND_CONT
Introduced in 7.18.0
.IP CURLPIPE_HTTP1
Introduced in 7.43.0
.IP CURLPIPE_MULTIPLEX
Introduced in 7.43.0
.IP CURLPIPE_NOTHING
Introduced in 7.43.0
.IP CURLPROTO_ALL
Introduced in 7.19.4
.IP CURLPROTO_DICT
Introduced in 7.19.4
.IP CURLPROTO_FILE
Introduced in 7.19.4
.IP CURLPROTO_FTP
Introduced in 7.19.4
.IP CURLPROTO_FTPS
Introduced in 7.19.4
.IP CURLPROTO_GOPHER
Introduced in 7.21.2
.IP CURLPROTO_HTTP
Introduced in 7.19.4
.IP CURLPROTO_HTTPS
Introduced in 7.19.4
.IP CURLPROTO_IMAP
Introduced in 7.20.0
.IP CURLPROTO_IMAPS
Introduced in 7.20.0
.IP CURLPROTO_LDAP
Introduced in 7.19.4
.IP CURLPROTO_LDAPS
Introduced in 7.19.4
.IP CURLPROTO_POP3
Introduced in 7.20.0
.IP CURLPROTO_POP3S
Introduced in 7.20.0
.IP CURLPROTO_RTMP
Introduced in 7.21.0
.IP CURLPROTO_RTMPE
Introduced in 7.21.0
.IP CURLPROTO_RTMPS
Introduced in 7.21.0
.IP CURLPROTO_RTMPT
Introduced in 7.21.0
.IP CURLPROTO_RTMPTE
Introduced in 7.21.0
.IP CURLPROTO_RTMPTS
Introduced in 7.21.0
.IP CURLPROTO_RTSP
Introduced in 7.20.0
.IP CURLPROTO_SCP
Introduced in 7.19.4
.IP CURLPROTO_SFTP
Introduced in 7.19.4
.IP CURLPROTO_SMB
Introduced in 7.40.0
.IP CURLPROTO_SMBS
Introduced in 7.40.0
.IP CURLPROTO_SMTP
Introduced in 7.20.0
.IP CURLPROTO_SMTPS
Introduced in 7.20.0
.IP CURLPROTO_TELNET
Introduced in 7.19.4
.IP CURLPROTO_TFTP
Introduced in 7.19.4
.IP CURLPROXY_HTTP
Introduced in 7.10
.IP CURLPROXY_HTTPS
Introduced in 7.52.0
.IP CURLPROXY_HTTP_1_0
Introduced in 7.19.4
.IP CURLPROXY_SOCKS4
Introduced in 7.10
.IP CURLPROXY_SOCKS4A
Introduced in 7.18.0
.IP CURLPROXY_SOCKS5
Introduced in 7.10
.IP CURLPROXY_SOCKS5_HOSTNAME
Introduced in 7.18.0
.IP CURLSHE_BAD_OPTION
Introduced in 7.10.3
.IP CURLSHE_INVALID
Introduced in 7.10.3
.IP CURLSHE_IN_USE
Introduced in 7.10.3
.IP CURLSHE_NOMEM
Introduced in 7.12.0
.IP CURLSHE_NOT_BUILT_IN
Introduced in 7.23.0
.IP CURLSHE_OK
Introduced in 7.10.3
.IP CURLSHOPT_LOCKFUNC
Introduced in 7.10.3
.IP CURLSHOPT_NONE
Introduced in 7.10.3
.IP CURLSHOPT_SHARE
Introduced in 7.10.3
.IP CURLSHOPT_UNLOCKFUNC
Introduced in 7.10.3
.IP CURLSHOPT_UNSHARE
Introduced in 7.10.3
.IP CURLSHOPT_USERDATA
Introduced in 7.10.3
.IP CURLSOCKTYPE_ACCEPT
Introduced in 7.28.0
.IP CURLSOCKTYPE_IPCXN
Introduced in 7.16.0
.IP CURLSSH_AUTH_AGENT
Introduced in 7.28.0
.IP CURLSSH_AUTH_ANY
Introduced in 7.16.1
.IP CURLSSH_AUTH_DEFAULT
Introduced in 7.16.1
.IP CURLSSH_AUTH_GSSAPI
Introduced in 7.58.0
.IP CURLSSH_AUTH_HOST
Introduced in 7.16.1
.IP CURLSSH_AUTH_KEYBOARD
Introduced in 7.16.1
.IP CURLSSH_AUTH_NONE
Introduced in 7.16.1
.IP CURLSSH_AUTH_PASSWORD
Introduced in 7.16.1
.IP CURLSSH_AUTH_PUBLICKEY
Introduced in 7.16.1
.IP CURLSSLBACKEND_AXTLS
Introduced in 7.38.0
Deprecated since 7.61.0
.IP CURLSSLBACKEND_BORINGSSL
Introduced in 7.49.0
.IP CURLSSLBACKEND_CYASSL
Introduced in 7.34.0
.IP CURLSSLBACKEND_DARWINSSL
Introduced in 7.34.0
Deprecated since 7.64.1
.IP CURLSSLBACKEND_GNUTLS
Introduced in 7.34.0
.IP CURLSSLBACKEND_GSKIT
Introduced in 7.34.0
.IP CURLSSLBACKEND_LIBRESSL
Introduced in 7.49.0
.IP CURLSSLBACKEND_MBEDTLS
Introduced in 7.46.0
.IP CURLSSLBACKEND_MESALINK
Introduced in 7.62.0
.IP CURLSSLBACKEND_NONE
Introduced in 7.34.0
.IP CURLSSLBACKEND_NSS
Introduced in 7.34.0
.IP CURLSSLBACKEND_OPENSSL
Introduced in 7.34.0
.IP CURLSSLBACKEND_POLARSSL
Introduced in 7.34.0
.IP CURLSSLBACKEND_QSOSSL
Introduced in 7.34.0
.IP CURLSSLBACKEND_SCHANNEL
Introduced in 7.34.0
.IP CURLSSLBACKEND_SECURETRANSPORT
Introduced in 7.64.1
.IP CURLSSLBACKEND_WOLFSSL
Introduced in 7.49.0
.IP CURLSSLOPT_ALLOW_BEAST
Introduced in 7.25.0
.IP CURLSSLOPT_NO_REVOKE
Introduced in 7.44.0
.IP CURLSSLSET_NO_BACKENDS
Introduced in 7.56.0
.IP CURLSSLSET_OK
Introduced in 7.56.0
.IP CURLSSLSET_TOO_LATE
Introduced in 7.56.0
.IP CURLSSLSET_UNKNOWN_BACKEND
Introduced in 7.56.0
.IP CURLUE_BAD_HANDLE
Introduced in 7.62.0
.IP CURLUE_BAD_PARTPOINTER
Introduced in 7.62.0
.IP CURLUE_BAD_PORT_NUMBER
Introduced in 7.62.0
.IP CURLUE_MALFORMED_INPUT
Introduced in 7.62.0
.IP CURLUE_NO_FRAGMENT
Introduced in 7.62.0
.IP CURLUE_NO_HOST
Introduced in 7.62.0
.IP CURLUE_NO_OPTIONS
Introduced in 7.62.0
.IP CURLUE_NO_PASSWORD
Introduced in 7.62.0
.IP CURLUE_NO_PORT
Introduced in 7.62.0
.IP CURLUE_NO_QUERY
Introduced in 7.62.0
.IP CURLUE_NO_SCHEME
Introduced in 7.62.0
.IP CURLUE_NO_USER
Introduced in 7.62.0
.IP CURLUE_OK
Introduced in 7.62.0
.IP CURLUE_OUT_OF_MEMORY
Introduced in 7.62.0
.IP CURLUE_UNKNOWN_PART
Introduced in 7.62.0
.IP CURLUE_UNSUPPORTED_SCHEME
Introduced in 7.62.0
.IP CURLUE_URLDECODE
Introduced in 7.62.0
.IP CURLUE_USER_NOT_ALLOWED
Introduced in 7.62.0
.IP CURLUPART_FRAGMENT
Introduced in 7.62.0
.IP CURLUPART_HOST
Introduced in 7.62.0
.IP CURLUPART_OPTIONS
Introduced in 7.62.0
.IP CURLUPART_PASSWORD
Introduced in 7.62.0
.IP CURLUPART_PATH
Introduced in 7.62.0
.IP CURLUPART_PORT
Introduced in 7.62.0
.IP CURLUPART_QUERY
Introduced in 7.62.0
.IP CURLUPART_SCHEME
Introduced in 7.62.0
.IP CURLUPART_URL
Introduced in 7.62.0
.IP CURLUPART_USER
Introduced in 7.62.0
.IP CURLUPART_ZONEID
Introduced in 7.65.0
.IP CURLUSESSL_ALL
Introduced in 7.17.0
.IP CURLUSESSL_CONTROL
Introduced in 7.17.0
.IP CURLUSESSL_NONE
Introduced in 7.17.0
.IP CURLUSESSL_TRY
Introduced in 7.17.0
.IP CURLU_APPENDQUERY
Introduced in 7.62.0
.IP CURLU_DEFAULT_PORT
Introduced in 7.62.0
.IP CURLU_DEFAULT_SCHEME
Introduced in 7.62.0
.IP CURLU_DISALLOW_USER
Introduced in 7.62.0
.IP CURLU_GUESS_SCHEME
Introduced in 7.62.0
.IP CURLU_NON_SUPPORT_SCHEME
Introduced in 7.62.0
.IP CURLU_NO_DEFAULT_PORT
Introduced in 7.62.0
.IP CURLU_NO_AUTHORITY
Introduced in 7.67.0
.IP CURLU_PATH_AS_IS
Introduced in 7.62.0
.IP CURLU_URLDECODE
Introduced in 7.62.0
.IP CURLU_URLENCODE
Introduced in 7.62.0
.IP CURLVERSION_FIFTH
Introduced in 7.57.0
.IP CURLVERSION_FIRST
Introduced in 7.10
.IP CURLVERSION_FOURTH
Introduced in 7.16.1
.IP CURLVERSION_NOW
Introduced in 7.10
.IP CURLVERSION_SECOND
Introduced in 7.11.1
.IP CURLVERSION_THIRD
Introduced in 7.12.0
.IP CURLVERSION_SIXTH
Introduced in 7.66.0
.IP CURL_CHUNK_BGN_FUNC_FAIL
Introduced in 7.21.0
.IP CURL_CHUNK_BGN_FUNC_OK
Introduced in 7.21.0
.IP CURL_CHUNK_BGN_FUNC_SKIP
Introduced in 7.21.0
.IP CURL_CHUNK_END_FUNC_FAIL
Introduced in 7.21.0
.IP CURL_CHUNK_END_FUNC_OK
Introduced in 7.21.0
.IP CURL_CSELECT_ERR
Introduced in 7.16.3
.IP CURL_CSELECT_IN
Introduced in 7.16.3
.IP CURL_CSELECT_OUT
Introduced in 7.16.3
.IP CURL_DID_MEMORY_FUNC_TYPEDEFS
Introduced in 7.49.0
.IP CURL_EASY_NONE
Introduced in 7.14.0
.IP CURL_EASY_TIMEOUT
Introduced in 7.14.0
.IP CURL_ERROR_SIZE
Introduced in 7.1
.IP CURL_FNMATCHFUNC_FAIL
Introduced in 7.21.0
.IP CURL_FNMATCHFUNC_MATCH
Introduced in 7.21.0
.IP CURL_FNMATCHFUNC_NOMATCH
Introduced in 7.21.0
.IP CURL_FORMADD_DISABLED
Introduced in 7.12.1
Deprecated since 7.56.0
.IP CURL_FORMADD_ILLEGAL_ARRAY
Introduced in 7.9.8
Deprecated since 7.56.0
.IP CURL_FORMADD_INCOMPLETE
Introduced in 7.9.8
Deprecated since 7.56.0
.IP CURL_FORMADD_MEMORY
Introduced in 7.9.8
Deprecated since 7.56.0
.IP CURL_FORMADD_NULL
Introduced in 7.9.8
Deprecated since 7.56.0
.IP CURL_FORMADD_OK
Introduced in 7.9.8
Deprecated since 7.56.0
.IP CURL_FORMADD_OPTION_TWICE
Introduced in 7.9.8
Deprecated since 7.56.0
.IP CURL_FORMADD_UNKNOWN_OPTION
Introduced in 7.9.8
Deprecated since 7.56.0
.IP CURL_GLOBAL_ACK_EINTR
Introduced in 7.30.0
.IP CURL_GLOBAL_ALL
Introduced in 7.8
.IP CURL_GLOBAL_DEFAULT
Introduced in 7.8
.IP CURL_GLOBAL_NOTHING
Introduced in 7.8
.IP CURL_GLOBAL_SSL
Introduced in 7.8
.IP CURL_GLOBAL_WIN32
Introduced in 7.8.1
.IP CURL_HET_DEFAULT
Introduced in 7.59.0
.IP CURL_HTTPPOST_BUFFER
Introduced in 7.46.0
.IP CURL_HTTPPOST_CALLBACK
Introduced in 7.46.0
.IP CURL_HTTPPOST_FILENAME
Introduced in 7.46.0
.IP CURL_HTTPPOST_LARGE
Introduced in 7.46.0
.IP CURL_HTTPPOST_PTRBUFFER
Introduced in 7.46.0
.IP CURL_HTTPPOST_PTRCONTENTS
Introduced in 7.46.0
.IP CURL_HTTPPOST_PTRNAME
Introduced in 7.46.0
.IP CURL_HTTPPOST_READFILE
Introduced in 7.46.0
.IP CURL_HTTP_VERSION_1_0
Introduced in 7.9.1
.IP CURL_HTTP_VERSION_1_1
Introduced in 7.9.1
.IP CURL_HTTP_VERSION_2
Introduced in 7.43.0
.IP CURL_HTTP_VERSION_2TLS
Introduced in 7.47.0
.IP CURL_HTTP_VERSION_2_0
Introduced in 7.33.0
.IP CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE
Introduced in 7.49.0
.IP CURL_HTTP_VERSION_3
Introduced in 7.66.0
.IP CURL_HTTP_VERSION_NONE
Introduced in 7.9.1
.IP CURL_IPRESOLVE_V4
Introduced in 7.10.8
.IP CURL_IPRESOLVE_V6
Introduced in 7.10.8
.IP CURL_IPRESOLVE_WHATEVER
Introduced in 7.10.8
.IP CURL_LOCK_ACCESS_NONE
Introduced in 7.10.3
.IP CURL_LOCK_ACCESS_SHARED
Introduced in 7.10.3
.IP CURL_LOCK_ACCESS_SINGLE
Introduced in 7.10.3
.IP CURL_LOCK_DATA_CONNECT
Introduced in 7.10.3
.IP CURL_LOCK_DATA_COOKIE
Introduced in 7.10.3
.IP CURL_LOCK_DATA_DNS
Introduced in 7.10.3
.IP CURL_LOCK_DATA_NONE
Introduced in 7.10.3
.IP CURL_LOCK_DATA_PSL
Introduced in 7.61.0
.IP CURL_LOCK_DATA_SHARE
Introduced in 7.10.4
.IP CURL_LOCK_DATA_SSL_SESSION
Introduced in 7.10.3
.IP CURL_LOCK_TYPE_CONNECT
Introduced in 7.10
.IP CURL_LOCK_TYPE_COOKIE
Introduced in 7.10
.IP CURL_LOCK_TYPE_DNS
Introduced in 7.10
.IP CURL_LOCK_TYPE_NONE
Introduced in 7.10
.IP CURL_LOCK_TYPE_SSL_SESSION
Introduced in 7.10
.IP CURL_MAX_HTTP_HEADER
Introduced in 7.19.7
.IP CURL_MAX_READ_SIZE
Introduced in 7.53.0
.IP CURL_MAX_WRITE_SIZE
Introduced in 7.9.7
.IP CURL_NETRC_IGNORED
Introduced in 7.9.8
.IP CURL_NETRC_OPTIONAL
Introduced in 7.9.8
.IP CURL_NETRC_REQUIRED
Introduced in 7.9.8
.IP CURL_POLL_IN
Introduced in 7.14.0
.IP CURL_POLL_INOUT
Introduced in 7.14.0
.IP CURL_POLL_NONE
Introduced in 7.14.0
.IP CURL_POLL_OUT
Introduced in 7.14.0
.IP CURL_POLL_REMOVE
Introduced in 7.14.0
.IP CURL_PROGRESS_BAR
Introduced in 7.1.1
.IP CURL_PROGRESS_STATS
Introduced in 7.1.1
.IP CURL_PUSH_DENY
Introduced in 7.44.0
.IP CURL_PUSH_OK
Introduced in 7.44.0
.IP CURL_READFUNC_ABORT
Introduced in 7.12.1
.IP CURL_READFUNC_PAUSE
Introduced in 7.18.0
.IP CURL_REDIR_GET_ALL
Introduced in 7.19.1
.IP CURL_REDIR_POST_301
Introduced in 7.19.1
.IP CURL_REDIR_POST_302
Introduced in 7.19.1
.IP CURL_REDIR_POST_303
Introduced in 7.25.1
.IP CURL_REDIR_POST_ALL
Introduced in 7.19.1
.IP CURL_RTSPREQ_ANNOUNCE
Introduced in 7.20.0
.IP CURL_RTSPREQ_DESCRIBE
Introduced in 7.20.0
.IP CURL_RTSPREQ_GET_PARAMETER
Introduced in 7.20.0
.IP CURL_RTSPREQ_NONE
Introduced in 7.20.0
.IP CURL_RTSPREQ_OPTIONS
Introduced in 7.20.0
.IP CURL_RTSPREQ_PAUSE
Introduced in 7.20.0
.IP CURL_RTSPREQ_PLAY
Introduced in 7.20.0
.IP CURL_RTSPREQ_RECEIVE
Introduced in 7.20.0
.IP CURL_RTSPREQ_RECORD
Introduced in 7.20.0
.IP CURL_RTSPREQ_SETUP
Introduced in 7.20.0
.IP CURL_RTSPREQ_SET_PARAMETER
Introduced in 7.20.0
.IP CURL_RTSPREQ_TEARDOWN
Introduced in 7.20.0
.IP CURL_SEEKFUNC_CANTSEEK
Introduced in 7.19.5
.IP CURL_SEEKFUNC_FAIL
Introduced in 7.19.5
.IP CURL_SEEKFUNC_OK
Introduced in 7.19.5
.IP CURL_SOCKET_BAD
Introduced in 7.14.0
.IP CURL_SOCKET_TIMEOUT
Introduced in 7.14.0
.IP CURL_SOCKOPT_ALREADY_CONNECTED
Introduced in 7.21.5
.IP CURL_SOCKOPT_ERROR
Introduced in 7.21.5
.IP CURL_SOCKOPT_OK
Introduced in 7.21.5
.IP CURL_SSLVERSION_DEFAULT
Introduced in 7.9.2
.IP CURL_SSLVERSION_MAX_DEFAULT
Introduced in 7.54.0
.IP CURL_SSLVERSION_MAX_NONE
Introduced in 7.54.0
.IP CURL_SSLVERSION_MAX_TLS
Introduced in 
.IP CURL_SSLVERSION_MAX_TLS
Introduced in 
.IP CURL_SSLVERSION_MAX_TLS
Introduced in 
.IP CURL_SSLVERSION_MAX_TLS
Introduced in 
.IP CURL_SSLVERSION_SSL
Introduced in 
.IP CURL_SSLVERSION_SSL
Introduced in 
.IP CURL_SSLVERSION_TLS
Introduced in 
.IP CURL_SSLVERSION_TLS
Introduced in 
.IP CURL_SSLVERSION_TLS
Introduced in 
.IP CURL_SSLVERSION_TLS
Introduced in 
.IP CURL_SSLVERSION_TLS
Introduced in 
.IP CURL_STRICTER
Introduced in 7.50.2
.IP CURL_TIMECOND_IFMODSINCE
Introduced in 7.9.7
.IP CURL_TIMECOND_IFUNMODSINCE
Introduced in 7.9.7
.IP CURL_TIMECOND_LASTMOD
Introduced in 7.9.7
.IP CURL_TIMECOND_NONE
Introduced in 7.9.7
.IP CURL_TLSAUTH_NONE
Introduced in 7.21.4
.IP CURL_TLSAUTH_SRP
Introduced in 7.21.4
.IP CURL_TRAILERFUNC_ABORT
Introduced in 7.64.0
.IP CURL_TRAILERFUNC_OK
Introduced in 7.64.0
.IP CURL_UPKEEP_INTERVAL_DEFAULT
Introduced in 7.62.0
.IP CURL_VERSION_ALTSVC
Introduced in 7.64.1
.IP CURL_VERSION_ASYNCHDNS
Introduced in 7.10.7
.IP CURL_VERSION_BROTLI
Introduced in 7.57.0
.IP CURL_VERSION_CONV
Introduced in 7.15.4
.IP CURL_VERSION_CURLDEBUG
Introduced in 7.19.6
.IP CURL_VERSION_DEBUG
Introduced in 7.10.6
.IP CURL_VERSION_ESNI
Introduced in 7.67.0
.IP CURL_VERSION_GSSAPI
Introduced in 7.38.0
.IP CURL_VERSION_GSSNEGOTIATE
Introduced in 7.10.6
Deprecated since 7.38.0
.IP CURL_VERSION_HTTP2
Introduced in 7.33.0
.IP CURL_VERSION_HTTP3
Introduced in 7.66.0
.IP CURL_VERSION_HTTPS_PROXY
Introduced in 7.52.0
.IP CURL_VERSION_IDN
Introduced in 7.12.0
.IP CURL_VERSION_IPV6
Introduced in 7.10
.IP CURL_VERSION_KERBEROS4
Introduced in 7.10
Deprecated since 7.33.0
.IP CURL_VERSION_KERBEROS5
Introduced in 7.40.0
.IP CURL_VERSION_LARGEFILE
Introduced in 7.11.1
.IP CURL_VERSION_LIBZ
Introduced in 7.10
.IP CURL_VERSION_MULTI_SSL
Introduced in 7.56.0
.IP CURL_VERSION_NTLM
Introduced in 7.10.6
.IP CURL_VERSION_NTLM_WB
Introduced in 7.22.0
.IP CURL_VERSION_PSL
Introduced in 7.47.0
.IP CURL_VERSION_SPNEGO
Introduced in 7.10.8
.IP CURL_VERSION_SSL
Introduced in 7.10
.IP CURL_VERSION_SSPI
Introduced in 7.13.2
.IP CURL_VERSION_TLSAUTH_SRP
Introduced in 7.21.4
.IP CURL_VERSION_UNIX_SOCKETS
Introduced in 7.40.0
.IP CURL_WAIT_POLLIN
Introduced in 7.28.0
.IP CURL_WAIT_POLLOUT
Introduced in 7.28.0
.IP CURL_WAIT_POLLPRI
Introduced in 7.28.0
.IP CURL_WRITEFUNC_PAUSE
Introduced in 7.18.0
.IP CURL_ZERO_TERMINATED
Introduced in 7.56.0