section 3 · Library functions 📚

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GNURLOPT_MAIL_RCPT(3)list of SMTP mail recipients✨
GNURLOPT_MAIL_RCPT_ALLLOWFAILS(3)allow RCPT TO command to fail for some recipients✨
GNURLOPT_MAX_RECV_SPEED_LARGE(3)rate limit data download speed✨
GNURLOPT_MAX_SEND_SPEED_LARGE(3)rate limit data upload speed✨
GNURLOPT_MAXAGE_CONN(3)max idle time allowed for reusing a connection✨
GNURLOPT_MAXCONNECTS(3)maximum connection cache size✨
GNURLOPT_MAXFILESIZE(3)maximum file size allowed to download✨
GNURLOPT_MAXFILESIZE_LARGE(3)maximum file size allowed to download✨
GNURLOPT_MAXREDIRS(3)maximum number of redirects allowed✨
GNURLOPT_MIMEPOST(3)set post/send data from mime structure✨
GNURLOPT_NETRC(3)request that .netrc is used✨
GNURLOPT_NETRC_FILE(3)file name to read .netrc info from✨
GNURLOPT_NEW_DIRECTORY_PERMS(3)permissions for remotely created directories✨
GNURLOPT_NEW_FILE_PERMS(3)permissions for remotely created files✨
GNURLOPT_NOBODY(3)do the download request without getting the body✨
GNURLOPT_NOPROGRESS(3)switch off the progress meter✨
GNURLOPT_NOPROXY(3)disable proxy use for specific hosts✨
GNURLOPT_NOSIGNAL(3)skip all signal handling✨
GNURLOPT_OPENSOCKETDATA(3)custom pointer passed to open socket callback✨
GNURLOPT_OPENSOCKETFUNCTION(3)set callback for opening sockets✨
GNURLOPT_PASSWORD(3)password to use in authentication✨
GNURLOPT_PATH_AS_IS(3)do not handle dot dot sequences✨
GNURLOPT_PINNEDPUBLICKEY(3)set pinned public key✨
GNURLOPT_PIPEWAIT(3)wait for pipelining/multiplexing✨
GNURLOPT_PORT(3)set remote port number to work with✨
GNURLOPT_POST(3)request an HTTP POST✨
GNURLOPT_POSTFIELDS(3)specify data to POST to server✨
GNURLOPT_POSTFIELDSIZE(3)size of POST data pointed to✨
GNURLOPT_POSTFIELDSIZE_LARGE(3)size of POST data pointed to✨
GNURLOPT_POSTQUOTE(3)(S)FTP commands to run after the transfer✨
GNURLOPT_POSTREDIR(3)how to act on an HTTP POST redirect✨
GNURLOPT_PRE_PROXY(3)set pre-proxy to use✨
GNURLOPT_PREQUOTE(3)commands to run before an FTP transfer✨
GNURLOPT_PRIVATE(3)store a private pointer✨
GNURLOPT_PROGRESSDATA(3)custom pointer passed to the progress callback✨
GNURLOPT_PROGRESSFUNCTION(3)callback to progress meter function✨
GNURLOPT_PROTOCOLS(3)set allowed protocols✨
GNURLOPT_PROXY(3)set proxy to use✨
GNURLOPT_PROXY_CAINFO(3)path to proxy Certificate Authority (CA) bundle✨
GNURLOPT_PROXY_CAPATH(3)specify directory holding proxy CA certificates✨
GNURLOPT_PROXY_CRLFILE(3)specify a proxy Certificate Revocation List file✨
GNURLOPT_PROXY_ISSUERCERT(3)proxy issuer SSL certificate filename✨
GNURLOPT_PROXY_ISSUERCERT_BLOB(3)proxy issuer SSL certificate from memory blob✨
GNURLOPT_PROXY_KEYPASSWD(3)set passphrase to proxy private key✨
GNURLOPT_PROXY_PINNEDPUBLICKEY(3)set pinned public key for https proxy✨
GNURLOPT_PROXY_SERVICE_NAME(3)proxy authentication service name✨
GNURLOPT_PROXY_SSL_CIPHER_LIST(3)specify ciphers to use for proxy TLS✨
GNURLOPT_PROXY_SSL_OPTIONS(3)set proxy SSL behavior options✨
GNURLOPT_PROXY_SSL_VERIFYHOST(3)verify the proxy certificate's name against host✨
GNURLOPT_PROXY_SSL_VERIFYPEER(3)verify the proxy's SSL certificate✨
GNURLOPT_PROXY_SSLCERT(3)set SSL proxy client certificate✨
GNURLOPT_PROXY_SSLCERT_BLOB(3)SSL proxy client certificate from memory blob✨
GNURLOPT_PROXY_SSLCERTTYPE(3)specify type of the proxy client SSL certificate✨
GNURLOPT_PROXY_SSLKEY(3)specify private keyfile for TLS and SSL proxy client cert✨
GNURLOPT_PROXY_SSLKEY_BLOB(3)private key for proxy cert from memory blob✨
GNURLOPT_PROXY_SSLKEYTYPE(3)set type of the proxy private key file✨
GNURLOPT_PROXY_SSLVERSION(3)set preferred proxy TLS/SSL version✨
GNURLOPT_PROXY_TLS13_CIPHERS(3)ciphers suites for proxy TLS 1.3✨
GNURLOPT_PROXY_TLSAUTH_PASSWORD(3)password to use for proxy TLS authentication✨
GNURLOPT_PROXY_TLSAUTH_TYPE(3)set proxy TLS authentication methods✨
GNURLOPT_PROXY_TLSAUTH_USERNAME(3)user name to use for proxy TLS authentication✨
GNURLOPT_PROXY_TRANSFER_MODE(3)append FTP transfer mode to URL for proxy✨
GNURLOPT_PROXYAUTH(3)set HTTP proxy authentication methods to try✨
GNURLOPT_PROXYHEADER(3)custom HTTP headers to pass to proxy✨
GNURLOPT_PROXYPASSWORD(3)password to use with proxy authentication✨
GNURLOPT_PROXYPORT(3)port number the proxy listens on✨
GNURLOPT_PROXYTYPE(3)proxy protocol type✨
GNURLOPT_PROXYUSERNAME(3)user name to use for proxy authentication✨
GNURLOPT_PROXYUSERPWD(3)user name and password to use for proxy authentication✨
GNURLOPT_PUT(3)make an HTTP PUT request✨
GNURLOPT_QUOTE(3)(S)FTP commands to run before transfer✨
GNURLOPT_RANDOM_FILE(3)specify a source for random data✨
GNURLOPT_RANGE(3)set byte range to request✨
GNURLOPT_READDATA(3)custom pointer passed to the read callback✨
GNURLOPT_READFUNCTION(3)read callback for data uploads✨
GNURLOPT_REDIR_PROTOCOLS(3)set protocols allowed to redirect to✨
GNURLOPT_REFERER(3)set the HTTP referer header✨
GNURLOPT_REQUEST_TARGET(3)specify an alternative target for this request✨
GNURLOPT_RESOLVE(3)provide custom host name to IP address resolves✨
GNURLOPT_RESOLVER_START_DATA(3)custom pointer passed to the resolver start callback✨
GNURLOPT_RESOLVER_START_FUNCTION(3)set callback to be called before a new resolve request is started✨
GNURLOPT_RESUME_FROM(3)set a point to resume transfer from✨
GNURLOPT_RESUME_FROM_LARGE(3)set a point to resume transfer from✨
GNURLOPT_RTSP_CLIENT_CSEQ(3)set the RTSP client CSEQ number✨
GNURLOPT_RTSP_REQUEST(3)specify RTSP request✨
GNURLOPT_RTSP_SERVER_CSEQ(3)set the RTSP server CSEQ number✨
GNURLOPT_RTSP_SESSION_ID(3)set RTSP session ID✨
GNURLOPT_RTSP_STREAM_URI(3)set RTSP stream URI✨
GNURLOPT_RTSP_TRANSPORT(3)set RTSP Transport: header✨
GNURLOPT_SASL_AUTHZID(3)authorisation identity (identity to act as)✨
GNURLOPT_SASL_IR(3)enable sending initial response in first packet✨
GNURLOPT_SEEKDATA(3)custom pointer passed to the seek callback✨
GNURLOPT_SEEKFUNCTION(3)user callback for seeking in input stream✨
GNURLOPT_SERVICE_NAME(3)authentication service name✨
GNURLOPT_SHARE(3)specify share handle to use✨
GNURLOPT_SOCKOPTDATA(3)custom pointer to pass to sockopt callback✨
GNURLOPT_SOCKOPTFUNCTION(3)set callback for setting socket options✨
GNURLOPT_SOCKS5_AUTH(3)set allowed methods for SOCKS5 proxy authentication✨
GNURLOPT_SOCKS5_GSSAPI_NEC(3)set socks proxy gssapi negotiation protection✨
GNURLOPT_SOCKS5_GSSAPI_SERVICE(3)SOCKS5 proxy authentication service name✨
GNURLOPT_SSH_AUTH_TYPES(3)set desired auth types for SFTP and SCP✨
GNURLOPT_SSH_COMPRESSION(3)enables compression / decompression of SSH traffic✨
GNURLOPT_SSH_HOST_PUBLIC_KEY_MD5(3)checksum of SSH server public key✨
GNURLOPT_SSH_KEYDATA(3)pointer to pass to the SSH key callback✨
GNURLOPT_SSH_KEYFUNCTION(3)callback for known host matching logic✨
GNURLOPT_SSH_KNOWNHOSTS(3)file name holding the SSH known hosts✨
GNURLOPT_SSH_PRIVATE_KEYFILE(3)set private key file for SSH auth✨
GNURLOPT_SSH_PUBLIC_KEYFILE(3)set public key file for SSH auth✨
GNURLOPT_SSL_CIPHER_LIST(3)specify ciphers to use for TLS✨
GNURLOPT_SSL_CTX_DATA(3)custom pointer passed to ssl_ctx callback✨
GNURLOPT_SSL_CTX_FUNCTION(3)SSL context callback for OpenSSL, wolfSSL or mbedTLS✨
GNURLOPT_SSL_ENABLE_ALPN(3)enable ALPN✨
GNURLOPT_SSL_ENABLE_NPN(3)enable NPN✨
GNURLOPT_SSL_FALSESTART(3)enable TLS false start✨
GNURLOPT_SSL_OPTIONS(3)set SSL behavior options✨
GNURLOPT_SSL_SESSIONID_CACHE(3)enable/disable use of the SSL session-ID cache✨
GNURLOPT_SSL_VERIFYHOST(3)verify the certificate's name against host✨
GNURLOPT_SSL_VERIFYPEER(3)verify the peer's SSL certificate✨
GNURLOPT_SSL_VERIFYSTATUS(3)verify the certificate's status✨
GNURLOPT_SSLCERT(3)set SSL client certificate✨
GNURLOPT_SSLCERT_BLOB(3)SSL client certificate from memory blob✨
GNURLOPT_SSLCERTTYPE(3)specify type of the client SSL certificate✨
GNURLOPT_SSLENGINE(3)set SSL engine identifier✨
GNURLOPT_SSLENGINE_DEFAULT(3)make SSL engine default✨
GNURLOPT_SSLKEY(3)specify private keyfile for TLS and SSL client cert✨
GNURLOPT_SSLKEY_BLOB(3)private key for client cert from memory blob✨
GNURLOPT_SSLKEYTYPE(3)set type of the private key file✨
GNURLOPT_SSLVERSION(3)set preferred TLS/SSL version✨
GNURLOPT_STDERR(3)redirect stderr to another stream✨
GNURLOPT_STREAM_DEPENDS(3)set stream this transfer depends on✨
GNURLOPT_STREAM_DEPENDS_E(3)set stream this transfer depends on exclusively✨
GNURLOPT_STREAM_WEIGHT(3)set numerical stream weight✨
GNURLOPT_SUPPRESS_CONNECT_HEADERS(3)Suppress proxy CONNECT response headers from user callbacks✨
GNURLOPT_TCP_FASTOPEN(3)enable TCP Fast Open✨
GNURLOPT_TCP_KEEPALIVE(3)enable TCP keep-alive probing✨
GNURLOPT_TCP_KEEPIDLE(3)set TCP keep-alive idle time wait✨
GNURLOPT_TCP_KEEPINTVL(3)set TCP keep-alive interval✨
GNURLOPT_TCP_NODELAY(3)set the TCP_NODELAY option✨
GNURLOPT_TELNETOPTIONS(3)custom telnet options✨
GNURLOPT_TFTP_BLKSIZE(3)TFTP block size✨
GNURLOPT_TFTP_NO_OPTIONS(3)Do not send TFTP options requests.✨
GNURLOPT_TIMECONDITION(3)select condition for a time request✨
GNURLOPT_TIMEOUT(3)set maximum time the request is allowed to take✨
GNURLOPT_TIMEOUT_MS(3)set maximum time the request is allowed to take✨
GNURLOPT_TIMEVALUE(3)set time value for conditional✨
GNURLOPT_TIMEVALUE_LARGE(3)set time value for conditional✨
GNURLOPT_TLS13_CIPHERS(3)specify ciphers suites to use for TLS 1.3✨
GNURLOPT_TLSAUTH_PASSWORD(3)password to use for TLS authentication✨
GNURLOPT_TLSAUTH_TYPE(3)set TLS authentication methods✨
GNURLOPT_TLSAUTH_USERNAME(3)user name to use for TLS authentication✨
GNURLOPT_TRAILERDATA(3)✨
GNURLOPT_TRAILERFUNCTION(3)✨
GNURLOPT_TRANSFER_ENCODING(3)ask for HTTP Transfer Encoding✨
GNURLOPT_TRANSFERTEXT(3)request a text based transfer for FTP✨
GNURLOPT_UNIX_SOCKET_PATH(3)set Unix domain socket✨
GNURLOPT_UNRESTRICTED_AUTH(3)send credentials to other hosts too✨
GNURLOPT_UPKEEP_INTERVAL_MS(3)connection upkeep interval✨
GNURLOPT_UPLOAD(3)enable data upload✨
GNURLOPT_UPLOAD_BUFFERSIZE(3)set preferred upload buffer size✨
GNURLOPT_URL(3)provide the URL to use in the request✨
GNURLOPT_USE_SSL(3)request using SSL / TLS for the transfer✨
GNURLOPT_USERAGENT(3)set HTTP user-agent header✨
GNURLOPT_USERNAME(3)user name to use in authentication✨
GNURLOPT_USERPWD(3)user name and password to use in authentication✨
GNURLOPT_VERBOSE(3)set verbose mode on/off✨
GNURLOPT_WILDCARDMATCH(3)enable directory wildcard transfers✨
GNURLOPT_WRITEDATA(3)custom pointer passed to the write callback✨
GNURLOPT_WRITEFUNCTION(3)set callback for writing received data✨
GNURLOPT_XFERINFODATA(3)custom pointer passed to the progress callback✨
GNURLOPT_XFERINFOFUNCTION(3)callback to progress meter function✨
GNURLOPT_XOAUTH2_BEARER(3)specify OAuth 2.0 access token✨
gnutls_aead_cipher_decrypt(3)API function✨
gnutls_aead_cipher_decryptv2(3)API function✨
gnutls_aead_cipher_deinit(3)API function✨
gnutls_aead_cipher_encrypt(3)API function✨
gnutls_aead_cipher_encryptv(3)API function✨
gnutls_aead_cipher_encryptv2(3)API function✨
gnutls_aead_cipher_init(3)API function✨
gnutls_aead_cipher_set_key(3)API function✨
gnutls_alert_get(3)API function✨
gnutls_alert_get_name(3)API function✨
gnutls_alert_get_strname(3)API function✨
gnutls_alert_send(3)API function✨
gnutls_alert_send_appropriate(3)API function✨
gnutls_alert_set_read_function(3)API function✨
gnutls_alpn_get_selected_protocol(3)API function✨
gnutls_alpn_set_protocols(3)API function✨
gnutls_anon_allocate_client_credentials(3)API function✨
gnutls_anon_allocate_server_credentials(3)API function✨
gnutls_anon_free_client_credentials(3)API function✨
gnutls_anon_free_server_credentials(3)API function✨
gnutls_anon_set_params_function(3)API function✨
gnutls_anon_set_server_dh_params(3)API function✨
gnutls_anon_set_server_known_dh_params(3)API function✨
gnutls_anon_set_server_params_function(3)API function✨
gnutls_anti_replay_deinit(3)API function✨
gnutls_anti_replay_enable(3)API function✨
gnutls_anti_replay_init(3)API function✨
gnutls_anti_replay_set_add_function(3)API function✨
gnutls_anti_replay_set_ptr(3)API function✨