CURLcode

type CURLcode = (

  CURLE_OK = 0,

  CURLE_UNSUPPORTED_PROTOCOL,

  CURLE_FAILED_INIT,

  CURLE_URL_MALFORMAT,

  CURLE_NOT_BUILT_IN,

  CURLE_COULDNT_RESOLVE_PROXY,

  CURLE_COULDNT_RESOLVE_HOST,

  CURLE_COULDNT_CONNECT,

  CURLE_WEIRD_SERVER_REPLY,

  CURLE_REMOTE_ACCESS_DENIED,

  CURLE_FTP_ACCEPT_FAILED,

  CURLE_FTP_WEIRD_PASS_REPLY,

  CURLE_FTP_ACCEPT_TIMEOUT,

  CURLE_FTP_WEIRD_PASV_REPLY,

  CURLE_FTP_WEIRD_227_FORMAT,

  CURLE_FTP_CANT_GET_HOST,

  CURLE_HTTP2,

  CURLE_FTP_COULDNT_SET_TYPE,

  CURLE_PARTIAL_FILE,

  CURLE_FTP_COULDNT_RETR_FILE,

  CURLE_OBSOLETE20,

  CURLE_QUOTE_ERROR,

  CURLE_HTTP_RETURNED_ERROR,

  CURLE_WRITE_ERROR,

  CURLE_OBSOLETE24,

  CURLE_UPLOAD_FAILED,

  CURLE_READ_ERROR,

  CURLE_OUT_OF_MEMORY,

  CURLE_OPERATION_TIMEDOUT,

  CURLE_OBSOLETE29,

  CURLE_FTP_PORT_FAILED,

  CURLE_FTP_COULDNT_USE_REST,

  CURLE_OBSOLETE32,

  CURLE_RANGE_ERROR,

  CURLE_HTTP_POST_ERROR,

  CURLE_SSL_CONNECT_ERROR,

  CURLE_BAD_DOWNLOAD_RESUME,

  CURLE_FILE_COULDNT_READ_FILE,

  CURLE_LDAP_CANNOT_BIND,

  CURLE_LDAP_SEARCH_FAILED,

  CURLE_OBSOLETE40,

  CURLE_FUNCTION_NOT_FOUND,

  CURLE_ABORTED_BY_CALLBACK,

  CURLE_BAD_FUNCTION_ARGUMENT,

  CURLE_OBSOLETE44,

  CURLE_INTERFACE_FAILED,

  CURLE_OBSOLETE46,

  CURLE_TOO_MANY_REDIRECTS,

  CURLE_UNKNOWN_OPTION,

  CURLE_TELNET_OPTION_SYNTAX,

  CURLE_OBSOLETE50,

  CURLE_PEER_FAILED_VERIFICATION,

  CURLE_GOT_NOTHING,

  CURLE_SSL_ENGINE_NOTFOUND,

  CURLE_SSL_ENGINE_SETFAILED,

  CURLE_SEND_ERROR,

  CURLE_RECV_ERROR,

  CURLE_OBSOLETE57,

  CURLE_SSL_CERTPROBLEM,

  CURLE_SSL_CIPHER,

  CURLE_SSL_CACERT,

  CURLE_BAD_CONTENT_ENCODING,

  CURLE_LDAP_INVALID_URL,

  CURLE_FILESIZE_EXCEEDED,

  CURLE_USE_SSL_FAILED,

  CURLE_SEND_FAIL_REWIND,

  CURLE_SSL_ENGINE_INITFAILED,

  CURLE_LOGIN_DENIED,

  CURLE_TFTP_NOTFOUND,

  CURLE_TFTP_PERM,

  CURLE_REMOTE_DISK_FULL,

  CURLE_TFTP_ILLEGAL,

  CURLE_TFTP_UNKNOWNID,

  CURLE_REMOTE_FILE_EXISTS,

  CURLE_TFTP_NOSUCHUSER,

  CURLE_CONV_FAILED,

  CURLE_CONV_REQD,

  CURLE_SSL_CACERT_BADFILE,

  CURLE_REMOTE_FILE_NOT_FOUND,

  CURLE_SSH,

  CURLE_SSL_SHUTDOWN_FAILED,

  CURLE_AGAIN,

  CURLE_SSL_CRL_BADFILE,

  CURLE_SSL_ISSUER_ERROR,

  CURLE_FTP_PRET_FAILED,

  CURLE_RTSP_CSEQ_ERROR,

  CURLE_RTSP_SESSION_ERROR,

  CURLE_FTP_BAD_FILE_LIST,

  CURLE_CHUNK_FAILED,

  CURLE_NO_CONNECTION_AVAILABLE,

  CURLE_SSL_PINNEDPUBKEYNOTMATCH,

  CURLE_SSL_INVALIDCERTSTATUS,

  CURLE_HTTP2_STREAM,

  CURL_LAST

);