Class Hierarchy

Go to the graphical class hierarchy

This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 1234567]

CBitArray::Access	Provide access to a single bit in a BitArray
CLayout< T, E >::Access	Access item value and associated layout properties
CLayout< T, E >::Stop	Layout stop (item access with precomputed layout position)
CHttpServiceRegistry::Announcer< T >	Announce a new service
CAppendList< T >	Single-linked list data container
CAppendListIterator< T >	Value iterator type for the AppendList
CAppendListTransaction< T >	Optionally rollback one or many append operations in one go
CArguments	Command line arguments parser
CArray< T >	An array of items within a contiguous chunk of memory
CArray< T, trivial >	Helper methods for copying and shifting partially uninitialized arrays
CArray< uint8_t >
CString	String of characters
CCasefree< String >	Case-insensitive string comparism
CArrayIterator< Container, Dir >	Array iterator
CArrayIteratorItemAccess< Container >	Policy for selecting the item access type
CBase64	Base64 codec
CEasing::Bezier	Cubic Bezier curve
CBinary< byteOrder >	Read and write binary data structures
CBit< T, j, i >	Select the bits i to j from a word of type T
CBitArray	Array of bits
CBitSink	Bit-wise write to a ByteSink
CBitSource	Read from a ByteSource bit-vise
CBuildShell	Delegate to handle file system related shell commands
CBuildStage	Stage of the multi-stage build process
CCompileLinkStage	Compile source files to object files and link object files to libraries and executables
CConfigureStage	Determine needed build flags by testing the build environment
CGlobbingStage	Gather list of source files and decide which need to be compiled
CInstallStage	Copy executables, libraries, headers and resources to default system directories
CPreparationStage	Prepare sources before starting the actual build process
CTestRunStage	Run unit test programs
CUninstallStage	Remove installed files
CBuildStageGuard	Execute pre and post post commands
CBundle	Lookup files in installation directories
CByteSink	Byte encoding sink
CByteSource	Byte decoding sink
CChannel< T >	Thread communication channel
CCircularBuffer< T >	Fixed-size circular data buffer
CCodyMessage	CoDy protocol message
CColor	ARGB color tuple (32 bit)
CComposite< T >	Composite aggregate
CCryptoHash	Cryptographic hash sum
CCubicBezier	Cubic berzier curves
CDate	Calendar date and time
CDefaultOrder	Default sort order based on ordering operator<=>
CDim< N >	Provide dimensions for container initialization
CDisplayMode	Display mode
CEasing	Easing curves
CElementary	Color palette of Elementary OS
CWebSocketFrame::Error	Something went wrong processing a frame
CWebSocketFrame::FrameToBig	Payload length exceeds limit
Cexception	STL class
CException	Abstract base class for exceptions
CBmpError	Failed to load an image file because of unexpected or unsupported file format
CDebugError	Debugging hint on internal system malfunction
CEncodingError	Some encoded data is malformed
CUnicodeError	Encoding/decoding of an Unicode string failed
CError	Generic application error
CFontError	Failed to load a font file
CHelpRequest	User requested help
CHostNameResolutionError	Failed to resolve a host name
CHostUnreachable	An earlier datagram could not be delivered
CHttpError	HTTP request could not be successfully processed
CHttpBadRequest	The request was syntactically maleformed
CHttpForbidden	Insufficient permissions to execute the request
CHttpInternalServerError	Internal server malefunction
CHttpNotFound	Requested resource could not be found
CHttpNotImplemented	HTTP protocol feature not implemented
CHttpPayloadTooLarge	Message payload exceeded allowed upper limit
CHttpRequestTimeout	Connection has timed out
CHttpUnsupportedVersion	Request protocol version is not supported
CInvalidAddressSyntax	Failed to parse textual representation of a socket address
CIoExhaustion	Input or Output exhaustion
CInputExhaustion	Input exhaustion
COutputExhaustion	Output exhaustion
CPainterError	Something went wrong during painting
CPlatformError	Failed to load a platform plugin
CPluginError	Something went wrong when loading a plugin library
CPropertyBindingError	General error binding properties
CPropertyBindingLoop	Property binding loop detected
CPulseError	Something went wrong with PulseAudio
CServiceNameLookupError	Failed to resolve a service name
CSignaled	Process execution interrupted by system signal
CSystemError	System call failed
CSocketError	Networking related system error
CSystemDebugError	Debugging hint on system call failure
CSystemResourceError	System call failed to perform an action on a named resource (e.g
CTextError	Text error
CTimezone::FormatError	Failed to parse timezone information file
CTimeout	Operation timed out
CTlsCertificateError	Verification of the TLS server's certificate failed for some reason
CTlsError	TLS related error
CUsageError	User input ambiguous, report back to user and provide guidance
CCommandNotFound	Command not found
CMetaError	Error thrown during object realization
CVersionRequest	User requested the application version
CZipError	Something went wrong processing a ZIP archive
CCodyError	CoDy related communication issue between compiler and build system
CFFT< Complex >	A simple, yet fast, DFT (Discrete Fourier Transform)
CFileLock	Advisory file lock
CReadLock	Advisory file lock for shared access
CWriteLock	Advisory file lock for exclusive access
CFindAny	Find a matching item
CFindFirst	Find first item which equals pattern
CFindLast	Find last item which equals pattern
CFont	Font selector
CRaspin::Group	A group of GPIO pins
CGuard< T >	Mutex guard
CHeap< T, Order >	Fixed-size heap
CHttpCloseRequest	A request to close the HTTP pipeline has been received
CIndexTracking< T >	Index tracking support
CInOut< T >	Call by reference function arguments
CKeccak< Capacity, Padding, Source, Sink >	Keccak sponge function
CKeccakPadding	Default padding policy for Keccak
CKeccakSink	Default policy for writing output bytes
CKeccakSource< Capacity, Padding >	Default policy for reading input bytes
CKeyEvent	Keyboard input event
CKeyValue< K, V >	Key-value pair
CVector< T, G >::Leaf
CList< T >	List data container
CList< Bytes >
CFormat	Generate formatted text
CList< MountPoint >
CMountTable	Filesystem mount table (fstab format)
CList< String >
CCsvFormat	CSV output formatter
CLocator	Locate items inside containers
CIterator< blist::Vector< Item > >
CIterator< const blist::Vector< Item > >
CIterator< const PriorityQueue >
CIterator< const blist::Chain< Item > >
CReverseIterator< blist::Vector< Item > >
CReverseIterator< const blist::Vector< Item > >
CReverseIterator< const PriorityQueue >
CReverseIterator< const blist::Chain< Item > >
CIterator< Container >	Value iterator
CReverseIterator< Container >	Reverse value iterator
CMap< K, T, O >	Map data container
CMaterial	The Material Design color palette
CMaterial	The Material Design color palette
CModuloPadding	PKCS#7 style paddding (RFC 2315)
CMountPoint	Mount table entry
CMultiMap< K, T, O >	Multi-map data container
CMultiSet< T, O >	Multi-set data container
CMutex	Unconditional thread suspension and resumption
CNew	Helper type to select non-null contruction
CNonCopyable	Base class for all non-copyable types
CNone	Type of an unused return value
CNullFormat	Discarding formatted output sink
CObject	Object with value semantics
CBlockCipher	Cryptographic block cipher
CAesBlockCipher	Rijndael Block Cipher according to the American Encryption Standard (AES / FIPS-197)
CCbcBlockCipher	Run any block cipher in Cipher Block Chaining mode (CBC)
CBmp	Read and write bitmap image files (BMP file format in local endian ARGB pixel format)
CCommand	Parameters for process creation
CCsvSource	Read records from a CSV formatted input text
CCursor	Cursor of the pointing device
CDir	File system directories
CDirWalk	Recursive directory tree traversal
CDisplay	Display geometry information
CEntity	Objects that materialize on-demand
CAction	Explorable function within an application
CRadioButtonGroup	Radio button group
CFileInfo	File status information
CFontFace	Individual font face within a font family
CFontFamily	Font family
CFontMetrics	Font metrics
CGlob	Collect file names matching a pattern
CGlyphRun	Typeset sequence
CGroupInfo	Query information about system groups
CHttpClient	HTTP client
CHttpLoggingService	Logging service
CDispatchLoggingService	Write log messages to several other logging facilities simultanously
CFileLoggingService	Write log messages to a log file
CForegroundLoggingService	Write log messages to standard output
CSyslogLoggingService	Write log message to the system log
CHttpLoggingServiceInstance	Logging service instance
CDispatchLoggingInstance	An instance of the DispatchLoggingService
CFileLoggingInstance	An instance of the FileLoggingService
CForegroundLoggingInstance	An instance of the ForegroundLoggingService
CSyslogLoggingInstance	An instance of the SyslogLoggingService
CHttpLoggingServiceRegistry	Keep track of available logging services
CHttpMediaTypeDatabase	Media type database
CHttpMessage	HTTP message
CHttpRequest	HTTP request message
CHttpResponse	HTTP response message
CHttpMessageGenerator	HTTP message generator
CHttpRequestGenerator	HTTP request generator
CHttpResponseGenerator	HTTP response generator
CHttpMessageParser	HTTP message parser
CHttpRequestParser	HTTP server-side message parser
CHttpResponseParser	HTTP client-side message parser
CHttpServer	HTTP(s) web server
CHttpServerConfig	Configuration for the HTTP server
CHttpService	Web service
CHttpServiceDelegate	Delegate used by the worker threads to process HTTP requests
CWebSocketDelegate	WebSocket protocol worker delegate
CHttpServiceInstance	Configured instance of a delivery service
CHttpServiceRegistry	Delivery service registry
CImageIoPlugin	Description of an image file format
CIoActivity	Entry on the I/O watch list of an I/O monitor
CIoMonitor	Wait for I/O events
CJsonWriter	Generate JSON representations of variant values
CLineSource	Line input buffer
CMetaObject	Duck-typed objects
CMetaPrototype	Member definitions, default values and child protocol
CHttpLoggingServiceConfigPrototype	HTTP logging service configuration prototype
CHttpServiceConfigPrototype	HTTP service configuration prototype
CTokiPalettePrototype	Meta-prototype for TokiPalette
CTokiStylePrototype	Meta-prototype definition for TokiStyle
CTokiPalette	Syntax highlighting palette
CTokiStyle	Syntax highlighting style
CMetaProtocol	Duck-typed protocol
CHttpServerConfigProtocol	Configuration protocol for the HTTP server
CRecipeProtocol	Protocol description of the Recipe files
CMonitor	Object with a single void property definition
CNetworkInterface	Query network interface configuration: assigned addresses, flags, etc
CNetworkLabel	Network interface address information
CNetworkRoute	Network routing table access
CNetworkState	Simplified network configuration state
CPadding	Padding to be applied to a view within a Layout
CPath	A painter path
CPattern	Regular expression pattern
CPen	Source color and line style
CPenEvent	Pressure-senstive pen input event
CPlugin	Plugin library
CPluginDir	Plugin directory
CPointerEvent	Input event from a pointing device (e.g
CFingerEvent	Touch input event
CMouseEvent	Mouse event
CProcess	Process creation and current process state
CPulseContext	Pulse Audio client context
CPulseInputStream	Pulse Audio recording stream
CPulseMainLoop	The Pulse Audio event loop
CPulseServerInfo	Pulse Audio server information
CResourceContext	Cascaded resource context for error reporting
CScaledFont	Scaled font needed for painting text
CShortcut	Keyboard shortcut
CSignalMaster	Signal handling master thread in a multi-threaded application
CSingleton	Process-wide singletons
CApplication	Global application state
CImageIoPluginManager	Keep information about available image file formats
CKernelInfo	Query information about the operating system kernel
CRaspin	Raspberry Pi GPIO register access
CResourceManager	Keep track of application resource directories
CTokiRegistry	Toki language registry
CSocketAddress	Socket address
CStream	Abstract data stream
CBlockCipherSink	Block cipher output stream
CBlockCipherSource	Block cipher input stream
CCaptureSink	Capture output in memory
CHashSink	Generic hashsum computing sink
CCrc32Sink	CRC-32 checksum generator
CCryptoHashSink	Compute a cryptographic hashsum from written data
CMacHashSink< T >	HMAC message authentication hash sink
CMd5HashSink	Message Digest 5 (MD5) one-way hash function
CSha1HashSink	Secure Hash 1 (SHA-1) one-way hash function
CSha256HashSink	Secure Hash 256 (SHA-256) one-way hash function
CSha3HashSink< HashBitSize >	Secure Hash 3 (SHA-3) one-way hash function
CSha512HashSink	Secure Hash 512 (SHA-512) one-way hash function
CHexDump	Generate a human readable hexadecimal dump
CHttpChunkedSink	HTTP chunked transfer sink
CHttpStream	HTTP message stream (pipelining and chunked I/O)
CIoStream	Base class for all system I/O streams
CFile	File I/O streams
CTempFile	Temporary files
CIoChannel	Inter-process communication channel
CLocalChannel	Local socket communication channel
CPseudoTerminal	Pseudo-terminal device
CSocket	Abstract base class for all networking sockets
CDatagramSocket	Datagram socket
CStreamSocket	Byte-sequential connection oriented network communication
CClientSocket	TCP client socket
CServerSocket	TCP server socket
CUart	Serial I/O stream
CJitterSource	Generate random bytes from scheduling noise
CLineBuffer	Line output buffer
CTapBuffer	Line buffer with human readable output logging
CMemoryStream	Read from and write to an underlying memory buffer
CNullStream	Read zeros and discard writes
CPseudoPad	Pseudo random byte source
CAesEntropySource	An AES based entropy source
CReplaySource	Feed data from an in-memory buffer
CStreamMultiplexer	Parallel output to several data sinks
CStreamTap	Bi-directional traffic redirection and duplication
CTlsStream	TLS stream
CTlsClientStream	Client-side TLS stream
CTlsServerStream	Server-side TLS stream
CTransferLimiter	Limit the maximum number of bytes transferred
CTransferMeter	Transfer measuring stream
CZipStream	Read a file within a ZIP archive
CStylePlugin	Default fonts, metrics and colors
CSurface	Painting surface
CImage	2-dimensional color matrix
CView	User interface building block
CAppBar	Application title and navigation bar
CBox	Filled rectangle with rounded corners
CColumn	A view that arranges its children in a column
CContent	Window content view
CControl	User interaction control
CBlind	Semi-transparent screen overlay (blocks the screen behind a modal dialog)
CCheckbox	CheckboxControl with associated label
CClockFace	Interactive clock face
CDragArea	Area with dragable child views
CScrollBar	Scroll bar
CFlickable	Control with variable sized movable contents
CListMenu	List menu A ListMenu shows a vertically scrollable list of items which are all of the same size
CListView	List view
CLogView	Text log view
CTextView	Text view
CInputControl	Keyboard navigable input control
CCheckboxControl	Checkbox control
CPushButton	Push button (a button that is pressed down)
CElevatedButton	Elevated button
CFloatingButton	Floating button
CTinyFloatingButton	Convenience class to construct a tiny floating button
CRadioButtonControl	Radio button control
CSliderControl	Slider control
CSwitchControl	On/off switch
CTextInput	Single-line text input control
CNumberInput	Specialized input control for entering fixed point decimal number literals
CPasswordInput	Password input control
CTouchButton	Touch button (a button that changes color when touched)
CFilledButton	Filled button
COutlineButton	Outlined button
CTextButton	Text button
CTonalButton	Filed tonal button
CLineEdit	Text input field
CNumberEdit	Number input field
CPasswordEdit	Password input field
CListItem	Item in a list menu
CNumberCell	Fixed point number display and input cell
CRadioButton	RadioButtonControl with associated label
CSwitch	On-off switch with associated label
CDialog	Generic dialog
CAlertDialog	Make the user confirm an immediate action to be taken
CCustomDialog	Convenience class to create custom dialogs
CTimePicker	Dialog to select a time of the day
CDivider	Horizontal dividing line
CFlickableIndicator	Positional indicator for a flickable pane
CGrid	A view that arranges its children in a grid
CImageView	Show a raster image
CLabel	Single line text view for name tags and value displays
CPane	A view contained in another view, e.g
CPicture	Glyph visual or other user-defined image optionally toned to specifc foreground color
CPlot	2D plot
CRenderView	Show dynamically rendered images
CRow	A view that arranges its children in a row
CScrollView	Scrollable view
CShadow	Shadow decoration
CSlider	Slider with leading and trailing decoration
CStackView	View stack
CText	Descriptive text displays
CHtmlText	Descriptive text displays
CSyntaxDefinition	Computer language syntax definition
CCsvSyntax	CSV syntax definition
CFloatSyntax	C-style floating point literals
CInetAddressSyntax	Syntax of an internet address
CIntegerSyntax	C-style integer literals
CTokiCppDiscoverySyntax	Discovery syntax for C preprocessor headers
CTokiHighlightingSyntax	Generic syntax highlighting syntax
CTokiCxxSyntax	C++ highlighting syntax
CTokiShSyntax	Bash shell highlighting syntax
CTokiShDiscoverySyntax	Discovery syntax for shell scripts
CUriSyntax	Syntax of an Uniform Resource Identifier
CYasonSyntax	Yet another simple object notation
CTestSuite	Defines a test suite
CTextCursor	Cursor position within a text run
CTextEditor	Abstract text editor
CPasswordEditor	Password editor
CTextEditorWithHistory	Abstract text editor with history
CTextLineEditor	Simple text line editor
CTextRun	Richtext typeset sequence
CTheme	User interface styling theme
CMaterialDark	Material Design nighttime theme
CMaterialLight	Material Design daylight theme
CThread	Single thread of execution
CThreadLocalSingleton	Thread-local singletons
CFontManager	Keep track of application fonts
CTimeInfo	Timezone information record
CTimer	Inverval timer
CTimezone	Timezone information
CTlsClientOptions	TLS client credentials and connection parameters
CTlsServerOptions	TLS server credentials and connection parameters
CToken	Syntax production
CTokenScreen	Projection target for a token tree
CTokiHtmlScreen	HTML generator screen
CTokiLanguage	Source code language definition
CTokiTheme	Syntax highlighting theme
CUserInfo	Query information about system users
CView::Layout	Automatic geometry for children views
CColumnLayout	Layout children views in a column
CContentLayout	Size the view by the size of its first child
CGridLayout	Layout children views in a grid
CRowLayout	Layout children views in a row
CVisual	Visual representation of something
CGlyphVisual	Visual representation of a single glyph
CWebP	Read and write WebP image files
CWebSocketFrame	WebSocket frame
CWebSocketMessage	WebSocket message
CWebSocketStream	WebSocket message stream
CWheelEvent	Mouse wheel event
CWindow	Display window
CYasonWriter	Generate YASON representations of variant values
CZipFile	Read the contents of a ZIP archive
CBuildMap	Global map of all build plans loaded during a build
CBuildParameters	Build parameters
CBuildPlan	Build instructions according to a Recipe
CSystemPrerequisite	Prerequisites provided by the build system
CCodyBlockSource	Block-wise reception of CoDy protocol messages
CCodyMessageSyntax	Syntax of the CoDy messages
CCodyServer	CoDy protocol server
CCodyTransport	Block-wise CoDy message transport layer
CCodyWorker	CoDy connection worker
CConfigureShell	Singleton delegate to run configuration stage commands
CImportManager	Keep track of C++ modules and on-demand compile header and interface units
CInsightDatabase	Track compile statements to support code insight services
CJob	A single build command
CLinkJob	Link jobs are special and need a distinct description
CJobScheduler	Background job scheduler
CJobServer	A single build job worker
CPredicate	Source code generation rules
CToolChain	Generic interface of a C/C++ toolchain
CGnuToolChain	GNU compatible toolchain interaction
CUnit	A C/C++ translation unit
CSyntaxNode	Syntax definition node
CCharCompareNode< Equal >
CCharNode	Match the next character by comparing for equality
CCharCompareNode< Differ >
COtherNode	Match the next character by comparing for inequality
CLookAheadNode< 0 >
CAheadNode	Match a given sub-expression ahead of the current text position
CLookAheadNode< 1 >
CNotNode	Do not match a given sub-expression ahead of the current text position
CLookBehindNode< 0 >
CBehindNode	Match a given sub-expression behind the current text position
CLookBehindNode< 1 >
CNotBehindNode	Match a given sub-expression not behind the current text position
CRangeExplicitNode< 1 >
CNoneOfNode	Match the next character if it is not member of a set of characters
CRangeExplicitNode< 0 >
COneOfNode	Match the next character against a set of characters
CRangeMinMaxNode< 1 >
COutOfRangeNode	Match the next character for not lying in a given range
CRangeMinMaxNode< 0 >
CRangeNode	Match the next character for lying in a given range
CStringNode< 1 >
CCasefreeNode	Match a case-insensitive multi-character literal
CStringNode< 0 >
CLiteralNode	Match a case-sensitive multi-character literal
CSyntaxRule	Syntactic rule within a syntax definition
CVoidRule	Syntax rule which does not produce any token
CAnyNode	Match an arbitrary next character
CBoiNode	Match the start of information (current text position equals 0)
CCaptureNode	Match a sub-expression and copy the matching sequence
CCharCompareNode< Compare >	Match a single character literal
CChoiceNode	Try sub-expression choices until the first matches (without considering the rest of the expression)
CContextNode	Select a rule to match depending on production context
CDebugNode	Show debugging information for a sub-expression match
CEoiNode	Match the end of the text (current text position equals length of text)
CExpectNode	Throw an expection if a sub-expression match fails
CFailNode	Unconditionally fail to match at the current text position
CFindLastNode	Find the last text position at which the given sub-expression matches
CFindNode	Find the next text position at which the given sub-expression matches
CInlineNode	Bind a reference to another syntax rule (inline mode)
CKeywordNode	Match the shortest matching keyword out of a set of keywords
CLengthNode	Enforce a required minimum and maximum text length when matching a sub-expression
CLongestChoiceNode	Try all sub-expression choices and produce the longest match (without considering the rest of the expression)
CLookAheadNode< Invert >	Match a given sub-expression ahead of the current text position
CLookBehindNode< Invert >	Match a given sub-expression behind the current text position
CMatchNode	Match the next character with a custom function
CPassNode	Unconditionally succeed to match at the current text position
CRangeExplicitNode< Invert >	Match the next character against a set of characters
CRangeMinMaxNode< Invert >	Match the next character for a given range
CRefNode	Bind a reference to another syntax rule
CRepeatNode	Repeatedly match a sub-expression
CReplayNode	Match a previously captured text
CSequenceNode	Match a series of sub-expressions in sequence
CStringNode< Casefree >	Match a constant multi-character literal
CPainter	Drawing 2D vector graphics
CRaspin::Pin	A single GPIO pin
CPluginLoader	Plugin loading during library initialization
CPrefix	String prefix
CPriorityChannel< T, P >	Prioritized thread communication channel
CPriorityQueue< T, P >	Priority queue data container
CProperty< T >	Property bindings
CQueue< T >	Double-ended queue data container
CRandom	Pseudo-random number generator
CLayout< T, E >::Range	Range for reading all layout stops within a given layout range
CRange	Index range
CReadGuard	For-reading lock guard
CReadWriteLock	Read-write lock
CRect	Rectangle
CResourceGuard	Resource context guard
CResourcePath	Automatically map resource paths to real file system paths
CReverseOrder	Reverse sort order based on ordering operator<=>
CScopeGuard	Call cleanup function on scope exit
CSemaphore< T >	Waiting for a limited resource
CSet< T, O >	Set data container
CSha3Padding	Padding policy for NIST SHA3
CShakePadding	Padding policy for NIST SHAKE128 and SHAKE256
CSignalSet	A set of system signals
CSourceIterator< T >	Data source iterator
CSpinLock	Spinning lock mutex
CObject::State	Reference counted object state
CBlockCipher::State	Internal state
CHttpServiceDelegate::State	Internal state
CHttpServiceInstance::State	Internal state
CMetaObject::State	Internal state
CMetaPrototype::State	Internal state
CStream::State	Internal state
CHashSink::State	Internal state
CSyntaxDefinition::State	Internal state
CSdl3DisplayManager::State
CSystem	System information
CTestCase	Defines a test case
CTrigger	Callback mechanism: get notified on state changes
CTypeInfo	Variant type information
CUri	Uniform Resource Indentifier (URI)
CUtf16	Iterate Unicode code points of an UTF-16 encoded string
CUtf16Iterator	Iterate code points of an UTF-16 encoded string
CUtf16Sink	UTF-16 encoding data sink
CUtf16Source	UTF-16 decoding data source
CUtf8	Iterate Unicode code points of an UTF-8 encoded string
CUtf8Iterator	Iterate code points of an UTF-8 encoded string
CUtf8Sink	UTF-8 encoding data sink
CUtf8Source	UTF-8 decoding data source
CVariant	Duck-typed value
CVector< T, N >	Algebraic vector
CVersion	Software version tuple
CWaitCondition	Conditional thread suspension and resumption
CWeb	CSS color palette
CWebSocketClose	WebSocket control frame to perform connection closure
CWebSocketPing	WebSocket control frame to request a life-signal from the peer
CWebSocketPong	WebSocket control frame to send out a life-signal
CWriteGuard	For-writing lock guard
CXor	XOR write over policy