- QDirectPainter
- QDns
- QDockArea
- QDockWindow
- QDomAttr
- QDomCDATASection
- QDomCharacterData
- QDomComment
- QDomDocument
- QDomDocumentFragment
- QDomDocumentType
- QDomElement
- QDomEntity
- QDomEntityReference
- QDomImplementation
- QDomNamedNodeMap
- QDomNode
- QDomNodeList
- QDomNotation
- QDomProcessingInstruction
- QDomText
- QDoubleValidator
- QDragEnterEvent
- QDragLeaveEvent
- QDragMoveEvent
- QDragObject
- QDropEvent
- qecvt
- qecvt_r
- QEditorFactory
- QErrorMessage
- QEucJpCodec
- QEucKrCodec
- QEvent
- QEventLoop
- qfcvt
- qfcvt_r
- QFile
- QFileDialog
- QFileIconProvider
- QFileInfo
- QFilePreview
- QFocusData
- QFocusEvent
- QFont
- QFontDatabase
- QFontDialog
- QFontInfo
- QFontManager
- QFontMetrics
- QFrame
- QFtp
- QGb18030Codec
- QGb2312Codec
- QGbkCodec
- qgcvt
- QGfxDriverFactory
- QGfxDriverPlugin
- QGL
- QGLayoutIterator
- QGLColormap
- QGLContext
- QGLFormat
- QGLWidget
- QGrid
- QGridLayout
- QGridView
- QGroupBox
- QGuardedPtr
- QHBox
MAN (3)
Library functions, covering in particular the C standard library