(X3xlib) - X library routines

Intro: introduction to X Lib library functions and routines
AllPlanes: display utility
BitmapBitOrder: indicates whether leftmost bit least or most significant bit in unit
BitmapPad: returns number of bits that each scanline must be padded
BitmapUnit: returns size of bitmap's scanline unit in bits
BlackPixel: returns black pixel value for specified screen
BlackPixelOfScreen: screen information functions and macros
ButtonPress: ButtonPress event structure
ButtonRelease: ButtonRelease event structure
CellsOfScreen: returns number of colormap cells in default colormap of specified screen
ClientWhitePointOfCCC: returns the client white point of the CCC
ConnectionNumber: returns connection number for specified display
DefaultColormap: returns depth of default root window for specified screen
DefaultColormapOfScreen: returns default colormap of specified screen
DefaultDepth: returns default GC for root window of specified screen
DefaultDepthOfScreen: returns default depth of root window of specified screen
DefaultGC: returns default GC for root window of specified screen
DefaultGCOfScreen: returns default GC of specified screen
DefaultRootWindow: returns root window for default screen
DefaultScreen: returns default screen number referenced in XOpenDisplay routine
DefaultScreenOfDisplay: returns default screen of specified display
DefaultVisual: returns default visual type for specified screen
DefaultVisualOfScreen: returns default visual of specified screen
DisplayCells: returns maximum number of entries in default colormap
DisplayHeight: returns height of specified screen in pixels
DisplayHeightMM: returns height of specified screen in millimeters
DisplayOfCCC: Color Conversion Context macros
DisplayOfScreen: returns display of specified screen
DisplayPlanes: returns the depth of root window of specified screen
DisplayString: returns string passed to XOpenDisplay when current window opened
DisplayWidth: returns width of specified screen in pixels
DisplayWidthMM: returns width of specified screen in millimeters
DoesBackingStore: returns indication whether screen supports backing store
DoesSaveUnders: returns Boolean value indicating whether screen supports save unders
EventMaskOfScreen: returns root event mask of root
HeightMMOfScreen: returns height, in millimeters, of specified screen
HeightOfScreen: returns height of specified screen
ImageByteOrder: image format functions and macros
imake: C preprocessor interface to the make utility
IsCursorKey: keysym classification macros
IsFunctionKey: returns True if specified KeySym is function key
IsKeypadKey: returns True if specified KeySym is keypad key
IsMiscFunctionKey: returns True if specified KeySym is miscellaneous function key
IsModiferKey: returns True if specified KeySym is modifier key
IsPFKey: returns True if specified KeySym is PF key
IsPrivateKeypadKey: returns True if specified KeySym is a vendor-private keypad key.
KeyPress: KeyPress event structure
KeyRelease: KeyRelease event structure
LastKnownRequestProcessed: extracts serial number of last known processed request
lndir: create a shadow directory of symbolic links to another directory tree
makedepend: create dependencies in makefiles
MaxCmapsOfScreen: returns maximum number of installed colormaps supported by screen
MinCmapsOfScreen: returns minimum number of installed colormaps supported by screen
mkdirhier: makes a directory hierarchy
MotionNotify: MotionNotify event structure
NextRequest: extracts full serial number to be used for next request
PlanesOfScreen: returns number of planes in root window of specified screen
ProtocolRevision: returns minor protocol revision number of X server
ProtocolVersion: returns major version number of X protocol
QLength: returns length of event queue for connected display
RootWindow: returns root window
RootWindowOfScreen: returns root window of specified screen
ScreenCount: returns number of available screens
ScreenNumberOfCCC: returns the screen number of the CCC
ScreenOfDisplay: returns pointer to screen of specified display
ScreenWhitePointOfCCC: returns the screen white point of the CCC
ServerVendor: returns pointer to null-terminated string
VendorRelease: returns number related to vendor's release of X server
VisualOfCCC: returns the visual of the CCC
WhitePixel: returns white pixel value for specified screen
WhitePixelOfScreen: returns white pixel value of specified screen
WidthMMOfScreen: returns width, in millimeters, of specified screen
WidthOfScreen: returns width of specified screen
XActivateScreenSaver: activates screen saver
XAddConnectionWatch: handle Xlib internal connections
XAddHost: control host access and host control structure
XAddHosts: adds specified hosts to access control list
XAddPixel: adds constant value to pixels
XAddToSaveSet: adds specified window to client's save set
XAllocClassHint: allocate class hints structure and set or read a window's WM_CLASS property
XAllocColor: allocate and free colors
XAllocColorCells: allocates read/write color cells
XAllocColorPlanes: allocates color planes
XAllocIconSize: allocate icon size structure and set or read a window's WM_ICON_SIZES property
XAllocNamedColor: looks up named color and returns closest color supported by screen
XAllocSizeHints: allocate size hints structure and set or read a window's WM_NORMAL_HINTS property
XAllocStandardColormap: allocate, set, or read a standard colormap structure
XAllocWMHints: allocate window manager hints structure and set or read a window's WM_HINTS property
XAllowEvents: release queued events
XAnyEvent: generic X event structures
XArc: arc structure
XAutoRepeatOff: turns off auto-repeat for keyboard on specified display
XAutoRepeatOn: turns on auto-repeat for keyboard on specified display
XBaseFontNameListOfFontSet: returns the original base font name list
XBell: rings bell on keyboard on specified display
XButtonEvent: KeyPress, KeyRelease, ButtonPress, ButtonRelease, and MotionNotify event structures
XChangeActivePointerGrab: changes grab pointer parameters
XChangeGC: changes graphics context
XChangeKeyboardControl: manipulate keyboard settings and keyboard control structure
XChangeKeyboardMapping: manipulate keyboard encoding and keyboard encoding structure
XChangePointerControl: control pointer
XChangeProperty: changes window properties
XChangeSaveSet: change a client's save set
XChangeWindowAttributes: change window attributes
XChar2b: font structure
XCharStruct: font structure
XCheckIfEvent: checks event queue and copy matched event
XCheckMaskEvent: searches queue and events available for matching specified mask
XCheckTypedEvent: searches queue and events available for matching event
XCheckTypedWindowEvent: searches queue and events available for matching event
XCheckWindowEvent: searches queue and events available for matching event
XCirculateEvent: CirculateNotify event structure
XCirculateRequestEvent: CirculateRequest event structure
XCirculateSubwindows: circulates children of the specified window
XCirculateSubwindowsDown: lowers the highest mapped child of the specified window
XCirculateSubwindowsUp: raises the lowest mapped child of the specified window
XClassHint: class hint structure
XClearArea: clear area or window
XClearWindow: clear window
XClientMessageEvent: ClientMessage event structure
XClipBox: generates smallest rectangle enclosing region
XCloseDisplay: disconnects from X server
XCloseIM: closes the specified input method
XCloseOM: closes the specified output method
XcmsAllocColor: allocate device-independent colors
XcmsAllocNamedColor: allocate a read-only color cell in any format specified
XcmsCCCOfColormap: query and modify CCC of a colormap
XcmsCIELab: possible formats in the Xcms color structure
XcmsCIELabQueryMaxC: obtain the CIE L*a*b* coordinates
XcmsCIELabQueryMaxL: finds the point of maximum lightness (L*) displayable by the screen
XcmsCIELabQueryMaxLC: finds the point of maximum chroma displayable by the screen
XcmsCIELabQueryMinL: finds the point of minimum lightness (L*) displayable by the screen
XcmsCIELuv: possible formats in the Xcms color structure
XcmsCIELuvQueryMaxC: obtain the CIE L*u*v* coordinates
XcmsCIELuvQueryMaxL: finds the point of maximum lightness (L*) displayable by the screen
XcmsCIELuvQueryMaxLC: finds the point of maximum chroma displayable by the screen
XcmsCIELuvQueryMinL: finds the point of minimum lightness (L*) displayable by the screen
XcmsCIEuvY: possible formats in the Xcms color structure
XcmsCIExyY: possible formats in the Xcms color structure
XcmsCIEXYZ: possible formats in the Xcms color structure
XcmsColor: Xcms color structure
XcmsConvertColors: convert CCC color specifications
XcmsCreateCCC: creating and destroying CCCs
XcmsDefaultCCC: obtain the default CCC for a screen
XcmsFreeCCC: frees the memory used for the specified CCC
XcmsLookupColor: looks up the string name of a color
XcmsPad: possible formats in the Xcms color structure
XcmsQueryBlack: obtain black, blue, green, red, and white CCC color specifications
XcmsQueryBlue: returns the color specification in the specified target format
XcmsQueryColor: obtain color values
XcmsQueryColors: obtains the RGB values for pixel values in the XcmsColor structure
XcmsQueryGreen: returns the color specification in the specified target format
XcmsQueryRed: returns the color specification in the specified target format
XcmsQueryWhite: returns the color specification in the specified target format
XcmsRGB: possible formats in the Xcms color structure
XcmsRGBi: possible formats in the Xcms color structure
XcmsSetCCCOfColormap: changes the CCC associated with the specified colormap
XcmsSetWhiteAdjustProc: sets the white point adjustment procedure in the specified CCC
XcmsSetWhitePoint: modifying CCC attributes
XcmsStoreColor: set colors
XcmsStoreColors: converts the colors specified into RGB values
XcmsTekHVC: possible formats in the Xcms color structure
XcmsTekHVCQueryMaxC: obtain the TekHVC coordinates
XcmsTekHVCQueryMaxV: given Hue, Value and Chroma's find colors displayable by the screen
XcmsTekHVCQueryMaxVC: given Hue, Value and Chroma's find colors displayable by the screen
XcmsTekHVCQueryMaxVSamples: given Hue, Value and Chroma's find colors displayable by the screen
XcmsTekHVCQueryMinV: given Hue, Value and Chroma's find colors displayable by the screen
XColor: color structure
XColormapEvent: ColormapNotify event structure
XConfigureEvent: ConfigureNotify event structure
XConfigureRequestEvent: ConfigureRequest event structure
XConfigureWindow: configure windows and window changes structure
XContextDependentDrawing: true if the font_set might include context-dependent drawing
XContextualDrawing: true if text drawn with the font_set might include context-dependent drawing
XConvertCase: returns the uppercase and lowercase forms of keysyms
XConvertSelection: manipulates window selection
XCopyArea: copy areas
XCopyColormapAndFree: copies colormap
XCopyGC: copies graphics context
XCopyPlane: copy planes
XCreateBitmapFromData: creates bitmap
XCreateColormap: create, copy, or destroy colormaps and color structure
XCreateFontCursor: create cursors
XCreateFontSet: create and free an international text drawing font set
XCreateGC: create or free graphics contexts and graphics context structure
XCreateGlyphCursor: creates glyph cursor
XCreateIC: create, destroy, and obtain the input method of an input context
XCreateImage: image utilities
XCreateOC: create output contexts
XCreatePixmap: create or destroy pixmaps
XCreatePixmapCursor: creates pixmap cursor
XCreatePixmapFromBitmapData: creates pixmap from bitmap data
XCreateRegion: create or destroy regions
XCreateSimpleWindow: creates subwindow
XCreateWindow: create windows and window attributes structure
XCreateWindowEvent: CreateNotify event structure
XCrossingEvent: EnterNotify and LeaveNotify event structure
XDefaultString: returns the default string used by Xlib for text conversion
XDefineCursor: define cursors
XDeleteContext: deletes entry for given window and type
XDeleteModifiermapEntry: deletes KeyCode from control set
XDeleteProperty: deletes window properties
XDestroyIC: destroy the specified IC
XDestroyImage: deallocates image
XDestroyOC: destroy output contexts
XDestroyRegion: destroys region
XDestroySubwindows: destroys subwindows
XDestroyWindow: destroy windows
XDestroyWindowEvent: DestroyNotify event structure
XDirectionalDependentDrawing: true if the drawing functions inplement implicit text directionality
XDisableAccessControl: disables use of access control list
XDisplayKeycodes: returns min-keycodes and max-keycodes
XDisplayMotionBufferSize: returns motion history buffer size
XDisplayName: returns display name
XDisplayOfIM: returns the display associated with the specified input method
XDisplayOfOM: returns the display associated with the specified output method
XDrawArc: draw arcs and arc structure
XDrawArcs: draws arcs
XDrawImageString: draw image text
XDrawImageString16: draws image text
XDrawLine: draw lines, polygons, and line structure
XDrawLines: draws lines
XDrawPoint: draw points and points structure
XDrawPoints: draws points
XDrawRectangle: draw rectangles and rectangles structure
XDrawRectangles: draws rectangles
XDrawSegments: draws polygons
XDrawString: draw text characters
XDrawString16: draws text characters
XDrawText: draw polytext text and text drawing structures
XDrawText16: draws polytext text
XEmptyRegion: determine if regions are empty or equal
XEnableAccessControl: enables use of access control list
XEqualRegion: determines if regions equal
XErrorEvent: X error event structure
XEvent: generic X event structure
XEventsQueued: returns number of events already in event queue
XExposeEvent: Expose event structure
XExtendedMaxRequestSize: determines whether there is support for extended-length protocol encoding
XExtentsOfFontSet: obtain the maximum extents structure for a font set
XFetchBuffer: returns cut buffer's contents
XFetchBytes: returns number of bytes in cut buffer
XFetchName: reads window's WM_NAME property
XFillArc: fills arc
XFillArcs: fills arcs
XFillPolygon: fills polygon
XFillRectangle: fill rectangles, polygons, or arcs
XFillRectangles: fills rectangles
XFilterEvent: filter X events for an input method
XFindContext: associative look-up routine
XFlush: handle output buffer or event queue
XFocusChangeEvent: FocusIn and FocusOut event structure
XFontProp: font structure
XFontSetExtents: XFontSetExtents structure
XFontsOfFontSet: obtain fontset information
XFontStruct: font structure
XForceScreenSaver: activates disabled screen saver
XFree: free client data
XFreeColormap: deletes colormap
XFreeColors: frees colors
XFreeCursor: frees cursor from cursor resource ID
XFreeFont: frees font
XFreeFontInfo: frees font information array
XFreeFontNames: frees font names array
XFreeFontPath: frees font search path
XFreeFontSet: free an international text drawing font set
XFreeGC: destroys graphics context
XFreeModifiermap: frees XModifierKeymap structure
XFreePixmap: destroys pixmap
XFreeStringList: frees memory
XGContextFromGC: obtains GContext from associated graphics context
XGCValues: graphics context structure
XGetAtomName: returns atom names
XGetAtomNames: returns names associated with specified atoms
XGetClassHint: returns class of specified window
XGetCommand: reads window's WM_COMMAND property
XGetErrorDatabaseText: returns message from error message database
XGetErrorText: reads error code description
XGetFontPath: gets font search path
XGetFontProperty: returns value of specified font property
XGetGCValues: returns graphics context components
XGetGeometry: returns root window and current geometry
XGetIconName: reads window's WM_ICON_NAME property
XGetIconSizes: returns icon size
XGetICValues: obtain input context values from the specified input context
XGetImage: transfers image
XGetIMValues: interface for querying properties or features of the specified input method
XGetInputFocus: returns focus window and current focus state
XGetKeyboardControl: returns current keyboard control values
XGetKeyboardMapping: returns KeyCode symbols
XGetModifierMapping: returns pointer to structure containing modifier keys
XGetMotionEvents: returns events in motion history buffer
XGetOCValues: get output context values
XGetOMValues: queries properties or features of the specified output method
XGetPixel: returns pixel from image
XGetPointerControl: reads pointer movement definition
XGetPointerMapping: returns current mapping of pointer
XGetRGBColormaps: reads standard colormap structure
XGetScreenSaver: gets current screen saver values
XGetSelectionOwner: manipulates window selection
XGetSubImage: transfers subimage
XGetTextProperty: reads text property
XGetTransientForHint: reads window's WM_TRANSIENT_FOR property
XGetVisualInfo: obtain visual information and visual structure
XGetWindowAttributes: get current window attribute or geometry and current window attributes structure
XGetWindowProperty: obtain and change window properties
XGetWMClientMachine: reads window's WM_CLIENT_MACHINE property
XGetWMColormapWindows: reads window's WM_COLORMAP_WINDOWS property
XGetWMHints: reads window manager hints
XGetWMIconName: reads window's WM_ICON_NAME property
XGetWMName: reads window's WM_NAME property
XGetWMNormalHints: reads size hints
XGetWMProtocols: reads window's WM_PROTOCOLS property
XGetWMSizeHints: reads size hints
XGrabButton: grab pointer buttons
XGrabKey: grab keyboard keys
XGrabKeyboard: grab the keyboard
XGrabPointer: grab the pointer
XGrabServer: grab the server
XGraphicsExposeEvent: GraphicsExpose and NoExpose event structures
XGravityEvent: GravityNotify event structure
XHostAddress: host control structure
XIconifyWindow: manipulate top-level windows
XIconSize: icon size structure
XIfEvent: check the event queue with a predicate procedure
XIMOfIC: return the input method of the specified IC
XInitImage: initializes internal image routines
XInitThreads: initialize multi-threading support
XInsertModifiermapEntry: adds KeyCode to control set
XInstallColormap: control colormaps
XInternalConnectionNumbers: returns a list of file descriptors for all internal connections
XInternAtom: create or return atom names
XInternAtoms: returns atom identifiers associated with specified names
XIntersectRegion: region arithmetic
XKeyboardControl: keyboard control structure
XKeycodeToKeysym: converts keysyms
XKeyEvent: XKeyEvent event structure
XKeymapEvent: KeymapNotify event structure
XKeysymToKeycode: converts keysyms
XKeysymToString: converts keysyms
XKillClient: forces close-down of client
XListDepths: returns array of depths available on specified screen
XListFonts: obtain or free font names and information
XListFontsWithInfo: lists font names and information
XListHosts: returns current access control list
XListInstalledColormaps: lists currently installed colormaps
XListPixmapFormats: returns array of XPixmapFormatValues
XListProperties: returns pointer to list of window properties
XLoadFont: load or unload fonts and font metric structures
XLoadQueryFont: loads font
XLocaleOfFontSet: returns the name of the locale bound to the specified string
XLocaleOfIM: get the locale of an input method
XLocaleOfOM: returns the locale associated with the specified output method
XLockDisplay: locks out all other threads from using the specified display
XLookupColor: returns color values
XLookupKeysym: handle keyboard input events in Latin-1
XLookupString: translates key event
XLowerWindow: lowers the specified window to the bottom of the stack
XMapEvent: MapNotify and MappingNotify event structures
XMappingEvent: MappingNotify event structure
XMapRaised: maps windows, subwindows and raise to top of stack
XMapRequestEvent: MapRequest event structure
XMapSubwindows: maps subwindows in top-to-bottom stacking order
XMapWindow: map windows
XMaskEvent: searches queue for events associated with specified mask
XMatchVisualInfo: returns visual information
XMaxRequestSize: returns maximum size of a protocol request
XmbDrawImageString: draw image text using a single font set
XmbDrawString: draw text using a single font set
XmbDrawText: draw text using multiple font sets
XmbLookupString: obtain composed input from an input method
XmbResetIC: reset the state of an input context
XmbSetWMProperties: sets window properties for communicating with clients
XmbTextEscapement: obtain the escapement of text
XmbTextExtents: compute text extents
XmbTextListToTextProperty: convert text lists and text property structures
XmbTextPerCharExtents: obtain per-character information for a text string
XmbTextPropertyToTextList: return a list of text strings from the specified text property
xmkmf: create a Makefile from an Imakefile
XModifierKeymap: keyboard encoding structure
XMotionEvent: XMotionEvent event structure
XMoveResizeWindow: changes window size and location
XMoveWindow: moves window
XNewModifiermap: returns pointer to XModifierKeymap
XNextEvent: select events by type
XNoExposeEvent: NoExpose event structure
XNoOp: No Operation
XOffsetRegion: moves region by specified amount
XOMOfOC: return the output method associated with a specified output context
XOpenDisplay: connect or disconnect to X server
XOpenIM: open, close, and obtain input method information
XOpenOM: open output methods
XParseColor: looks up the string name of a color, returns the exact color value
XParseGeometry: parse window geometry
XPeekEvent: returns first event from queue
XPeekIfEvent: checks event queue and return if match found
XPending: returns number of events pending
XPixmapFormatValues: pixmap structure
XPoint: points structure
XPointInRegion: determines if point in region
XPolygonRegion: generate regions
XProcessInternalConnection: processes input available on an internal connection
XPropertyEvent: PropertyNotify event structure
XPutBackEvent: put events back on the queue
XPutImage: transfer images
XPutPixel: overwrites pixel
XQueryBestCursor: returns largest cursor size
XQueryBestSize: determine efficient sizes
XQueryBestStipple: returns best or closest size
XQueryBestTile: returns best or closest size
XQueryColor: obtain color values
XQueryColors: returns color values
XQueryFont: returns font information
XQueryKeymap: returns bit vector for logical state of keyboard
XQueryPointer: get pointer coordinates
XQueryTextExtents: queries text extents
XQueryTextExtents16: queries text extents
XQueryTree: query window tree information
XRaiseWindow: change window stacking order
XReadBitmapFile: manipulate bitmaps
XReadBitmapFileData: reads and directly returns data from a bitmap
XRebindKeysym: rebinds meaning of Keysym
XRecolorCursor: manipulate cursors
XReconfigureWMWindow: reconfigures window
XRectangle: rectangle structure
XRectInRegion: determines if rectangle in region
XRefreshKeyboardMapping: refreshes stored modifier and keymap information
XRegisterIMInstantiateCallback: registers callbacks to be invoked when new input methods become available
XRemoveConnectionWatch: removes a previously registered connection watch
XRemoveFromSaveSet: removes specified window from client's save set
XRemoveHost: removes specified host from access control list
XRemoveHosts: removes each specified host from access control list
XReparentEvent: ReparentNotify event structure
XReparentWindow: reparent windows
XResetScreenSaver: resets screen saver
XResizeRequestEvent: ResizeRequest event structure
XResizeWindow: resizes window
XResourceManagerString: obtain server resource properties
XRestackWindows: restacks the windows in the order specified
XrmCombineDatabase: merges the contents of one database into another
XrmCombineFileDatabase: merges the contents of a resource file into a database
XrmDestroyDatabase: destroy the specified resource database
XrmEnumerateDatabase: enumerate resource database entries
XrmGetDatabase: returns the database associated with the specified display
XrmGetFileDatabase: retrieve and store resource databases
XrmGetResource: retrieve database resources and search lists
XrmGetStringDatabase: creates a new database and stores it in the specified string
XrmInitialize: initialize the Resource Manager, Resource Manager structures, and parse the command line
XrmLocaleOfDatabase: returns the name of the locale bound to the database
XrmMergeDatabases: merge resource databases
XrmOptionDescRec: Resource Manager structure
XrmOptionKind: Resource Manager structure
XrmParseCommand: parses command line
XrmPermStringToQuark: manipulates resource quarks
XrmPutFileDatabase: stores a copy of the specified database in the specified file
XrmPutLineResource: creates new database and returns pointer
XrmPutResource: store database resources
XrmPutStringResource: creates new database and returns pointer
XrmQGetResource: retrieves database resource
XrmQGetSearchList: returns database search list
XrmQGetSearchResource: searches database for resource
XrmQPutResource: creates new database and returns pointer
XrmQPutStringResource: creates new database and returns pointer
XrmQuarkToString: manipulates resource quarks
XrmSetDatabase: associates the specified database with the specified display
XrmStringToBindingQuarkList: manipulates resource quarks
XrmStringToQuark: manipulates resource quarks
XrmStringToQuarkList: manipulates resource quarks
XrmUniqueQuark: manipulate resource quarks
XrmValue: Resource Manager structure
XRotateBuffers: rotates cut buffers
XRotateWindowProperties: rotates window properties
XSaveContext: associative look-up routines
XScreenNumberOfScreen: returns screen index number of specified screen
XScreenResourceString: returns the SCREEN_RESOURCES property from the root window of the specified screen
XSegment: line structure
XSelectInput: select input events
XSelectionClearEvent: SelectionClear event structure
XSelectionEvent: SelectionNotify event structure
XSelectionRequestEvent: SelectionRequest event structure
XSendEvent: send events and pointer motion history structure
XSetAccessControl: enables or disables use of access control list
XSetAfterFunction: enables or disables synchronization
XSetArcMode: GC convenience routines
XSetBackground: sets background in specified GC
XSetClassHint: sets class hint for specified window
XSetClipMask: sets clip-mask to specified pixmap
XSetClipOrigin: GC convenience routines
XSetClipRectangles: changes clip-mask to specified list of rectangles and set clip origin
XSetCloseDownMode: control clients
XSetCommand: set or read a window's WM_COMMAND property
XSetDashes: sets dash-offset and dash-list attributes for dashed line styles
XSetErrorHandler: default error handlers
XSetFillRule: sets fill-rule in specified GC
XSetFillStyle: GC convenience routines
XSetFont: GC convenience routines
XSetFontPath: set, get, or free the font search path
XSetForeground: sets foreground in specified GC
XSetFunction: sets specified value in specified GC
XSetGraphicsExposure: sets graphics-exposure flag in specified GC
XSetICFocus: set and unset input context focus
XSetIconName: sets window's WM_ICON_NAME property
XSetIconSizes: sets icon size
XSetICValues: set and obtain XIC values
XSetIMValues: sets attributes for the specified input method
XSetInputFocus: control input focus
XSetIOErrorHandler: sets fatal I/O error handler
XSetLineAttributes: GC convenience routines
XSetLocaleModifiers: sets the X modifiers for the current locale setting
XSetModifierMapping: sets KeyCodes of modifiers keys
XSetOCValues: set output context values
XSetOMValues: sets properties or features of the specified output method
XSetPlanemask: sets plane mask in specified GC
XSetPointerMapping: manipulate pointer settings
XSetRegion: sets clip-mask
XSetRGBColormaps: sets standard colormap structure
XSetScreenSaver: manipulate the screen saver
XSetSelectionOwner: manipulate window selection
XSetState: GC convenience routines
XSetStipple: sets stipple in specified GC
XSetSubwindowMode: sets subwindow mode in specified GC
XSetTextProperty: set and read text properties
XSetTile: GC convenience routines
XSetTransientForHint: set or read a window's WM_TRANSIENT_FOR property
XSetTSOrigin: sets tile/stipple origin in specified GC
XSetWindowAttributes: window attributes structure
XSetWindowBackground: sets background of window
XSetWindowBackgroundPixmap: sets background pixmap of window
XSetWindowBorder: sets border of window
XSetWindowBorderPixmap: set border pixmap of window
XSetWindowBorderWidth: sets window border to specified width
XSetWindowColormap: set colormap of window
XSetWMClientMachine: set or read a window's WM_CLIENT_MACHINE property
XSetWMColormapWindows: set or read a window's WM_COLORMAP_WINDOWS property
XSetWMHints: sets window manager hints
XSetWMIconName: set or read a window's WM_ICON_NAME property
XSetWMName: set or read a window's WM_NAME property
XSetWMNormalHints: sets size hints
XSetWMProperties: set standard window properties
XSetWMProtocols: set or read a window's WM__PROTOCOLS property
XSetWMSizeHints: sets size hints
XShrinkRegion: reduces region by specified amount
XSizeHints: size hints structure
XStandardColormap: standard colormap structure
XStoreBuffer: store bytes in cut buffer, provide the buffer to use
XStoreBytes: manipulate cut and paste buffers
XStoreColor: change colormap entries of the pixel values specified in the XColor structure
XStoreColors: set colors
XStoreName: sets window's WM_NAME property
XStoreNamedColor: looks up named color
XStringListToTextProperty: convert string lists and text property structure
XStringToKeysym: convert keysyms
XSubImage: creates new sub image
XSubtractRegion: subtracts srb from sra and stores result in dr_return
XSupportsLocale: determine locale support and configure locale modifiers
XSync: flushes output buffer then waits until all requests received and processed
XSynchronize: enable or disable synchronization
XTextExtents: compute or query text extents
XTextExtents16: computes text extents
XTextItem: text drawing structure
XTextItem16: text drawing structure
XTextProperty: text property structure
XTextPropertyToStringList: returns list of strings
XTextWidth: compute text width
XTextWidth16: computes text width
XTimeCoord: pointer motion history structure
XTranslateCoordinates: translate window coordinates
XUndefineCursor: undoes effect of cursor define
XUngrabButton: releases pointer buttons
XUngrabKey: releases keyboard key
XUngrabKeyboard: releases keyboard
XUngrabPointer: releases pointer
XUngrabServer: releases server
XUninstallColormap: removes colormap
XUnionRectWithRegion: updates destination region
XUnionRegion: computes union of two regions
XUniqueContext: creates unique context type
XUnloadFont: unload font
XUnlockDisplay: allows other threads to use the specified display again
XUnmapEvent: UnmapNotify event structure
XUnmapSubwindows: unmaps subwindows
XUnmapWindow: unmap windows
XUnregisterIMInstantiateCallback: unregisters callbacks previousely registered with XRegisterIMInstantiateCallback
XUnsetICFocus: notify an input method that the input context has lost focus
XVaCreateNestedList: allocate a nested variable argument list
XVisibilityEvent: VisibilityNotify event structure
XVisibilityNotifyEvent: VisibilityNotify event structure
XVisualIDFromVisual: returns visual ID
XVisualInfo: visual structure
XWarpPointer: move pointer
XwcDrawImageString: draw image text using a single font set
XwcDrawString: draw text using a single font set
XwcDrawText: draw text using multiple font sets
XwcFreeStringList: function frees memory allocated by XwcTextPropertyToTextList
XwcLookupString: obtain composed input from an input method
XwcResetIC: reset the stat of an input context
XwcTextEscapement: obtain the escapement of text
XwcTextExtents: compute text extents
XwcTextListToTextProperty: set an XTextProperty from a list of null terminated strings
XwcTextPerCharExtents: obtain per-character information for a text string
XwcTextPropertyToTextList: return a list of text strings from the specified text
XWindowAttributes: window attribute structure
XWindowChanges: configures windows and window changes structure
XWindowEvent: searches queue for matching event
XWithdrawWindow: unmaps window
XWMGeometry: combines geometry information specified by the user and by the calling program with size hints
XWMHints: window manager hints structure
XWriteBitmapFile: writes bitmap out to file
XXorRegion: calculates difference between union and intersection of two regions