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curl / libcurl / API / Examples / Options Used By Examples

Options Used By Examples

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This list shows examples that use specific options. If there is no example listed for the given option, please consider to write one up and send us!

OptionExamples
CURLOPT_ABSTRACT_UNIX_SOCKETunixsocket.c
CURLOPT_ACCEPTTIMEOUT_MSftpuploadresume.c
CURLOPT_ACCEPT_ENCODINGcrawler.c
CURLOPT_ADDRESS_SCOPEaddress-scope.c
CURLOPT_ALTSVCaltsvc.c
CURLOPT_ALTSVC_CTRLaltsvc.c
CURLOPT_APPENDsftpuploadresume.c ftpuploadresume.c
CURLOPT_AUTOREFERERcrawler.c
CURLOPT_AWS_SIGV4 
CURLOPT_BUFFERSIZEhttp2-download.c
CURLOPT_CAINFOcacertinmem.c simplessl.c imap-tls.c smtp-tls.c pop3-tls.c
CURLOPT_CAINFO_BLOB 
CURLOPT_CAPATHcacertinmem.c smtp-ssl.c https.c imap-tls.c imap-ssl.c
CURLOPT_CA_CACHE_TIMEOUThttps.c
CURLOPT_CERTINFOcertinfo.c
CURLOPT_CHUNK_BGN_FUNCTIONftp-wildcard.c
CURLOPT_CHUNK_DATAftp-wildcard.c
CURLOPT_CHUNK_END_FUNCTIONftp-wildcard.c
CURLOPT_CLOSESOCKETDATAexternalsocket.c
CURLOPT_CLOSESOCKETFUNCTIONexternalsocket.c
CURLOPT_CONNECTTIMEOUTghiper.c
CURLOPT_CONNECTTIMEOUT_MScrawler.c
CURLOPT_CONNECT_ONLYwebsocket.c sendrecv.c
CURLOPT_CONNECT_TOconnect-to.c
CURLOPT_COOKIE 
CURLOPT_COOKIEFILEcookie_interface.c crawler.c
CURLOPT_COOKIEJAR 
CURLOPT_COOKIELISTcookie_interface.c
CURLOPT_COOKIESESSION 
CURLOPT_COPYPOSTFIELDS 
CURLOPT_CRLF 
CURLOPT_CRLFILE 
CURLOPT_CURLUurlapi.c
CURLOPT_CUSTOMREQUESTpop3-top.c httpput-postfields.c http-options.c imap-noop.c
CURLOPT_DEBUGDATAhttp2-upload.c debug.c http2-download.c
CURLOPT_DEBUGFUNCTIONmulti-debugcallback.c http2-serverpush.c http2-upload.c debug.c
CURLOPT_DEFAULT_PROTOCOLdefault-scheme.c
CURLOPT_DIRLISTONLY 
CURLOPT_DISALLOW_USERNAME_IN_URL 
CURLOPT_DNS_CACHE_TIMEOUT 
CURLOPT_DNS_INTERFACE 
CURLOPT_DNS_LOCAL_IP4 
CURLOPT_DNS_LOCAL_IP6 
CURLOPT_DNS_SERVERS 
CURLOPT_DNS_SHUFFLE_ADDRESSES 
CURLOPT_DOH_SSL_VERIFYHOST 
CURLOPT_DOH_SSL_VERIFYPEER 
CURLOPT_DOH_SSL_VERIFYSTATUS 
CURLOPT_DOH_URL 
CURLOPT_ECH 
CURLOPT_ERRORBUFFERhtmltidy.c htmltitle.cpp evhiperfifo.c ephiperfifo.c hiperfifo.c
CURLOPT_EXPECT_100_TIMEOUT_MScrawler.c
CURLOPT_FAILONERROR 
CURLOPT_FILETIMEsftpuploadresume.c ftpgetinfo.c crawler.c
CURLOPT_FNMATCH_DATA 
CURLOPT_FNMATCH_FUNCTION 
CURLOPT_FOLLOWLOCATIONhref_extractor.c htmltitle.cpp headerapi.c simple.c debug.c
CURLOPT_FORBID_REUSE 
CURLOPT_FRESH_CONNECTcacertinmem.c
CURLOPT_FTPPORTftpuploadresume.c
CURLOPT_FTPSSLAUTH 
CURLOPT_FTP_ACCOUNT 
CURLOPT_FTP_ALTERNATIVE_TO_USER 
CURLOPT_FTP_CREATE_MISSING_DIRSftpuploadresume.c
CURLOPT_FTP_FILEMETHOD 
CURLOPT_FTP_SKIP_PASV_IP 
CURLOPT_FTP_SSL_CCC 
CURLOPT_FTP_USE_EPRT 
CURLOPT_FTP_USE_EPSV 
CURLOPT_FTP_USE_PRET 
CURLOPT_GSSAPI_DELEGATION 
CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS 
CURLOPT_HAPROXYPROTOCOL 
CURLOPT_HAPROXY_CLIENT_IP 
CURLOPT_HEADERcacertinmem.c sftpuploadresume.c ftpgetinfo.c ftpuploadresume.c
CURLOPT_HEADERDATAcacertinmem.c ftpgetresp.c ftpuploadresume.c simplessl.c sepheaders.c
CURLOPT_HEADERFUNCTIONcacertinmem.c ftpgetresp.c ftpgetinfo.c ftpuploadresume.c synctime.c
CURLOPT_HEADEROPT 
CURLOPT_HSTS 
CURLOPT_HSTSREADDATAhsts-preload.c
CURLOPT_HSTSREADFUNCTIONhsts-preload.c
CURLOPT_HSTSWRITEDATAhsts-preload.c
CURLOPT_HSTSWRITEFUNCTIONhsts-preload.c
CURLOPT_HSTS_CTRLhsts-preload.c
CURLOPT_HTTP09_ALLOWED 
CURLOPT_HTTP200ALIASES 
CURLOPT_HTTPAUTHanyauthput.c crawler.c
CURLOPT_HTTPGET 
CURLOPT_HTTPHEADERpost-callback.c
CURLOPT_HTTPPROXYTUNNEL 
CURLOPT_HTTP_CONTENT_DECODING 
CURLOPT_HTTP_TRANSFER_DECODING 
CURLOPT_HTTP_VERSIONhttp2-serverpush.c http2-upload.c http2-pushinmemory.c crawler.c http3.c
CURLOPT_IGNORE_CONTENT_LENGTH 
CURLOPT_INFILESIZEftpupload.c imap-append.c
CURLOPT_INFILESIZE_LARGEftpuploadfrommem.c ftpupload.c fileupload.c anyauthput.c httpput.c
CURLOPT_INTERFACEinterface.c
CURLOPT_INTERLEAVEDATA 
CURLOPT_INTERLEAVEFUNCTION 
CURLOPT_IPRESOLVEipv6.c
CURLOPT_ISSUERCERT 
CURLOPT_ISSUERCERT_BLOB 
CURLOPT_KEEP_SENDING_ON_ERROR 
CURLOPT_KEYPASSWDsimplessl.c
CURLOPT_KRBLEVEL 
CURLOPT_LOCALPORTlocalport.c
CURLOPT_LOCALPORTRANGElocalport.c
CURLOPT_LOGIN_OPTIONSpop3-authzid.c smtp-authzid.c imap-authzid.c
CURLOPT_LOW_SPEED_LIMITevhiperfifo.c ephiperfifo.c ghiper.c
CURLOPT_LOW_SPEED_TIMEevhiperfifo.c ephiperfifo.c ghiper.c
CURLOPT_MAIL_AUTH 
CURLOPT_MAIL_FROMsmtp-mime.c smtp-multi.c smtp-ssl.c smtp-authzid.c smtp-tls.c
CURLOPT_MAIL_RCPTsmtp-mime.c smtp-expn.c smtp-multi.c
CURLOPT_MAIL_RCPT_ALLOWFAILSsmtp-mime.c
CURLOPT_MAXAGE_CONN 
CURLOPT_MAXCONNECTSmaxconnects.c
CURLOPT_MAXFILESIZE 
CURLOPT_MAXFILESIZE_LARGEcrawler.c
CURLOPT_MAXLIFETIME_CONN 
CURLOPT_MAXREDIRScrawler.c
CURLOPT_MAX_RECV_SPEED_LARGE 
CURLOPT_MAX_SEND_SPEED_LARGE 
CURLOPT_MIMEPOSTsmtp-mime.c multi-post.c postit2.c
CURLOPT_MIME_OPTIONS 
CURLOPT_NETRCnetrc.c
CURLOPT_NETRC_FILEnetrc.c
CURLOPT_NEW_DIRECTORY_PERMS 
CURLOPT_NEW_FILE_PERMS 
CURLOPT_NOBODYsftpuploadresume.c ftpgetinfo.c ftpuploadresume.c synctime.c
CURLOPT_NOPROGRESScacertinmem.c sftpuploadresume.c htmltidy.c url2file.c externalsocket.c
CURLOPT_NOPROXY 
CURLOPT_NOSIGNALcacertinmem.c usercertinmem.c
CURLOPT_OPENSOCKETDATAexternalsocket.c
CURLOPT_OPENSOCKETFUNCTIONexternalsocket.c
CURLOPT_PASSWORDpop3-top.c pop3-retr.c pop3-multi.c pop3-authzid.c imap-noop.c
CURLOPT_PATH_AS_IS 
CURLOPT_PINNEDPUBLICKEY 
CURLOPT_PIPEWAIThttp2-serverpush.c http2-upload.c http2-pushinmemory.c http2-download.c
CURLOPT_PORT 
CURLOPT_POSTpost-callback.c
CURLOPT_POSTFIELDShttp-post.c httpput-postfields.c
CURLOPT_POSTFIELDSIZEpost-callback.c httpput-postfields.c postinmemory.c simplepost.c
CURLOPT_POSTFIELDSIZE_LARGEpost-callback.c
CURLOPT_POSTQUOTEftpupload.c
CURLOPT_POSTREDIR 
CURLOPT_PREQUOTE 
CURLOPT_PREREQDATA 
CURLOPT_PREREQFUNCTION 
CURLOPT_PRE_PROXY 
CURLOPT_PRIVATE10-at-a-time.c multi-uv.c evhiperfifo.c ephiperfifo.c hiperfifo.c
CURLOPT_PROTOCOLS_STRurlapi.c
CURLOPT_PROXYsynctime.c
CURLOPT_PROXYAUTHcrawler.c
CURLOPT_PROXYHEADER 
CURLOPT_PROXYPASSWORD 
CURLOPT_PROXYPORT 
CURLOPT_PROXYTYPE 
CURLOPT_PROXYUSERNAME 
CURLOPT_PROXYUSERPWDsynctime.c
CURLOPT_PROXY_CAINFO 
CURLOPT_PROXY_CAINFO_BLOB 
CURLOPT_PROXY_CAPATH 
CURLOPT_PROXY_CRLFILE 
CURLOPT_PROXY_ISSUERCERT 
CURLOPT_PROXY_ISSUERCERT_BLOB 
CURLOPT_PROXY_KEYPASSWD 
CURLOPT_PROXY_PINNEDPUBLICKEY 
CURLOPT_PROXY_SERVICE_NAME 
CURLOPT_PROXY_SSLCERT 
CURLOPT_PROXY_SSLCERTTYPE 
CURLOPT_PROXY_SSLCERT_BLOB 
CURLOPT_PROXY_SSLKEY 
CURLOPT_PROXY_SSLKEYTYPE 
CURLOPT_PROXY_SSLKEY_BLOB 
CURLOPT_PROXY_SSLVERSION 
CURLOPT_PROXY_SSL_CIPHER_LIST 
CURLOPT_PROXY_SSL_OPTIONS 
CURLOPT_PROXY_SSL_VERIFYHOST 
CURLOPT_PROXY_SSL_VERIFYPEER 
CURLOPT_PROXY_TLS13_CIPHERS 
CURLOPT_PROXY_TLSAUTH_PASSWORD 
CURLOPT_PROXY_TLSAUTH_TYPE 
CURLOPT_PROXY_TLSAUTH_USERNAME 
CURLOPT_PROXY_TRANSFER_MODE 
CURLOPT_QUICK_EXIThttp-options.c
CURLOPT_QUOTE 
CURLOPT_RANGErange.c
CURLOPT_READDATAftpuploadfrommem.c post-callback.c ftpupload.c fileupload.c anyauthput.c
CURLOPT_READFUNCTIONftpuploadfrommem.c post-callback.c ftpupload.c anyauthput.c
CURLOPT_REDIR_PROTOCOLS_STRcrawler.c
CURLOPT_REFERERgetreferrer.c
CURLOPT_REQUEST_TARGEThttp-options.c
CURLOPT_RESOLVEresolve.c
CURLOPT_RESOLVER_START_DATA 
CURLOPT_RESOLVER_START_FUNCTION 
CURLOPT_RESUME_FROM 
CURLOPT_RESUME_FROM_LARGE 
CURLOPT_RTSP_CLIENT_CSEQ 
CURLOPT_RTSP_REQUESTrtsp-options.c
CURLOPT_RTSP_SERVER_CSEQ 
CURLOPT_RTSP_SESSION_IDrtsp-options.c
CURLOPT_RTSP_STREAM_URI 
CURLOPT_RTSP_TRANSPORT 
CURLOPT_SASL_AUTHZIDpop3-authzid.c smtp-authzid.c imap-authzid.c
CURLOPT_SASL_IR 
CURLOPT_SEEKDATAanyauthput.c
CURLOPT_SEEKFUNCTIONanyauthput.c
CURLOPT_SERVER_RESPONSE_TIMEOUTftpuploadresume.c
CURLOPT_SERVER_RESPONSE_TIMEOUT_MS 
CURLOPT_SERVICE_NAME 
CURLOPT_SHAREshared-connection-cache.c
CURLOPT_SOCKOPTDATA 
CURLOPT_SOCKOPTFUNCTIONexternalsocket.c
CURLOPT_SOCKS5_AUTH 
CURLOPT_SOCKS5_GSSAPI_NEC 
CURLOPT_SSH_AUTH_TYPESsftpget.c
CURLOPT_SSH_COMPRESSION 
CURLOPT_SSH_HOSTKEYDATA 
CURLOPT_SSH_HOSTKEYFUNCTION 
CURLOPT_SSH_HOST_PUBLIC_KEY_MD5 
CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256 
CURLOPT_SSH_KEYDATA 
CURLOPT_SSH_KEYFUNCTION 
CURLOPT_SSH_KNOWNHOSTS 
CURLOPT_SSH_PRIVATE_KEYFILE 
CURLOPT_SSH_PUBLIC_KEYFILE 
CURLOPT_SSLCERTsimplessl.c
CURLOPT_SSLCERTTYPEcacertinmem.c simplessl.c usercertinmem.c
CURLOPT_SSLCERT_BLOB 
CURLOPT_SSLENGINEsimplessl.c
CURLOPT_SSLENGINE_DEFAULTsimplessl.c
CURLOPT_SSLKEYsimplessl.c
CURLOPT_SSLKEYTYPEsimplessl.c usercertinmem.c
CURLOPT_SSLKEY_BLOB 
CURLOPT_SSLVERSION 
CURLOPT_SSL_CIPHER_LIST 
CURLOPT_SSL_CTX_DATA 
CURLOPT_SSL_CTX_FUNCTIONcacertinmem.c usercertinmem.c
CURLOPT_SSL_EC_CURVES 
CURLOPT_SSL_ENABLE_ALPN 
CURLOPT_SSL_FALSESTART 
CURLOPT_SSL_OPTIONS 
CURLOPT_SSL_SESSIONID_CACHE 
CURLOPT_SSL_VERIFYHOSTsessioninfo.c connect-to.c certinfo.c smtp-ssl.c https.c
CURLOPT_SSL_VERIFYPEERsessioninfo.c cacertinmem.c simplessl.c certinfo.c smtp-ssl.c
CURLOPT_SSL_VERIFYSTATUS 
CURLOPT_STDERR 
CURLOPT_STREAM_DEPENDS 
CURLOPT_STREAM_DEPENDS_E 
CURLOPT_STREAM_WEIGHT 
CURLOPT_SUPPRESS_CONNECT_HEADERS 
CURLOPT_TCP_FASTOPEN 
CURLOPT_TCP_KEEPALIVEkeepalive.c
CURLOPT_TCP_KEEPCNTkeepalive.c
CURLOPT_TCP_KEEPIDLEkeepalive.c
CURLOPT_TCP_KEEPINTVLkeepalive.c
CURLOPT_TCP_NODELAY 
CURLOPT_TELNETOPTIONS 
CURLOPT_TFTP_BLKSIZE 
CURLOPT_TFTP_NO_OPTIONS 
CURLOPT_TIMECONDITION 
CURLOPT_TIMEOUTcrawler.c
CURLOPT_TIMEOUT_MScrawler.c
CURLOPT_TIMEVALUE 
CURLOPT_TIMEVALUE_LARGE 
CURLOPT_TLS13_CIPHERS 
CURLOPT_TLSAUTH_PASSWORD 
CURLOPT_TLSAUTH_TYPE 
CURLOPT_TLSAUTH_USERNAME 
CURLOPT_TRAILERDATA 
CURLOPT_TRAILERFUNCTION 
CURLOPT_TRANSFERTEXT 
CURLOPT_TRANSFER_ENCODING 
CURLOPT_UNIX_SOCKET_PATHunixsocket.c
CURLOPT_UNRESTRICTED_AUTHcrawler.c
CURLOPT_UPKEEP_INTERVAL_MS 
CURLOPT_UPLOADftpuploadfrommem.c ftpupload.c fileupload.c anyauthput.c httpput.c
CURLOPT_UPLOAD_BUFFERSIZE 
CURLOPT_URLftpsget.c sessioninfo.c getinfo.c ftpuploadfrommem.c post-callback.c
CURLOPT_USERAGENTgetinmemory.c chkspeed.c synctime.c postinmemory.c crawler.c
CURLOPT_USERNAMEpop3-top.c pop3-retr.c pop3-multi.c pop3-authzid.c imap-noop.c
CURLOPT_USERPWDftpuploadfrommem.c anyauthput.c
CURLOPT_USE_SSLftpsget.c imap-tls.c smtp-tls.c pop3-tls.c
CURLOPT_VERBOSEftpsget.c sessioninfo.c ftpuploadfrommem.c post-callback.c cacertinmem.c
CURLOPT_WILDCARDMATCHftp-wildcard.c
CURLOPT_WRITEDATAftpsget.c cacertinmem.c getinmemory.c href_extractor.c htmltidy.c
CURLOPT_WRITEFUNCTIONftpsget.c sessioninfo.c cacertinmem.c getinmemory.c 10-at-a-time.c
CURLOPT_WS_OPTIONS 
CURLOPT_XFERINFODATAprogressfunc.c
CURLOPT_XFERINFOFUNCTIONprogressfunc.c
CURLOPT_XOAUTH2_BEARER 

Out of the 291 options, 162 are not used by any example