- XKillClient
- XListFonts
- XListFontsWithInfo
- XListHosts
- XListInputDevices
- XListInstalledColormaps
- XListPixmapFormats
- XLoadFont
- XLoadQueryFont
- XLocaleOfFontSet
- XLocaleOfIM
- XLocaleOfOM
- XLockDisplay
- XLookupColor
- XLookupKeysym
- XLookupString
- XLowerWindow
- XMapEvent
- XMappingEvent
- XMapRaised
- XMapRequestEvent
- XMapSubwindows
- XMapWindow
- XMaskEvent
- XMatchVisualInfo
- XmbDrawImageString
- XmbDrawString
- XmbDrawText
- XmbLookupString
- XmbResetIC
- XmbSetWMProperties
- XmbTextEscapement
- XmbTextExtents
- XmbTextListToTextProperty
- XmbTextPerCharExtents
- XmbTextPropertyToTextList
- XmbufChangeBufferAttributes
- XmbufChangeWindowAttributes
- XmbufCreateBuffers
- XmbufCreateStereoWindow
- XmbufDestroyBuffers
- XmbufDisplayBuffers
- XmbufGetBufferAttributes
- XmbufGetScreenInfo
- XmbufGetVersion
- XmbufGetWindowAttributes
- XmbufQueryExtension
- XMotionEvent
- XMoveResizeWindow
- XMoveWindow
- XNewModifiermap
- XNextEvent
- XNoExposeEvent
- XNoOp
- XOffsetRegion
- XOMOfOC
- XOpenDevice
- XOpenDisplay
- XOpenIM
- XOpenOM
- XParseColor
- XParseGeometry
- XPeekEvent
- XPeekIfEvent
- XPending
- XPixmapFormatValues
- XPoint
- XPointInRegion
- XProcessInternalConnection
- XPropertyEvent
MAN (3)
Library functions, covering in particular the C standard library