- XpSetImageResolution
- XpSetLocaleHinter
- XpStartDoc
- XpStartJob
- XpStartPage
- XPutBackEvent
- XPutImage
- XPutPixel
- XQueryBestCursor
- XQueryBestSize
- XQueryBestStipple
- XQueryBestTile
- XQueryColor
- XQueryColors
- XQueryDeviceState
- XQueryExtension
- XQueryFont
- XQueryKeymap
- XQueryPointer
- XQueryTextExtents
- XQueryTextExtents16
- XQueryTree
- XRacer::BlenderImport
- XRacer::BVRML
- XRacer::Math
- XRaiseWindow
- Xray::Absorption
- Xray::Absorption::Chantler
- Xray::Absorption::CL
- Xray::Absorption::Elam
- Xray::Absorption::Henke
- Xray::Absorption::McMaster
- Xray::Absorption::None
- Xray::Absorption::Shaltout
- Xray::Scattering
- Xray::Scattering::CromerMann
- Xray::Scattering::None
- Xray::Scattering::WassKirf
- Xray::SpaceGroup
- XRD::Parser
- XReadBitmapFile
- XReadBitmapFileData
- xrealloc
- XRebindKeysym
- XRecolorCursor
- XReconfigureWMWindow
- XRectangle
- XRectInRegion
- xref
- XRefreshKeyboardMapping
- XRegisterIMInstantiateCallback
- XRemoveConnectionWatch
- XRemoveFromSaveSet
- XRemoveHost
- XRemoveHosts
- XReparentEvent
- XReparentWindow
- XRes
- XResetScreenSaver
- XResizeRequestEvent
- XResizeWindow
- XResourceManagerString
- XRestackWindows
- XrmCombineDatabase
- XrmCombineFileDatabase
- XrmDestroyDatabase
- XrmEnumerateDatabase
- XrmGetDatabase
- XrmGetFileDatabase
- XrmGetResource
MAN (3)
Library functions, covering in particular the C standard library