imake (1) - C preprocessor interface to the make utility
makedepend (1) - create dependencies in makefiles
lndir (1) - create a shadow directory of symbolic links to another directory tree
makestrs (1) - makes string table C source and header(s)
xmkmf (1) - create a Makefile from an Imakefile
makeg (1) - make a debuggable executable
mkdirhier (1) - makes a directory hierarchy
appres (1) - list X application resource database
bdftopcf (1) - convert X font from Bitmap Distribution Format to Portable
bitmap, bmtoa, atobm (1) - bitmap editor and converter utilities for the X Window System
beforelight (1) - screen saver
editres (1) - a dynamic resource editor for X Toolkit applications
fsinfo (1) - X font server information utility
fslsfonts (1) - list fonts served by X font server
fstobdf (1) - generate BDF font from X font server
iceauth (1) - ICE authority file utility
mkfontdir, fonts.dir, fonts.scale, fonts.alias (1) - create an index of X font files in a directory
oclock (1) - round X clock
proxymngr - proxy manager service
proxymngr - proxy manager service
showrgb (1) - uncompile an rgb color-name database
rstart - a sample implementation of a Remote Start client
rstartd - a sample implementation of a Remote Start rsh helper
smproxy (1) - Session Manager Proxy
twm (1) - Tab Window Manager for the X Window System
x11perf (1) - X11 server performance test program
x11perfcomp (1) - X11 server performance comparison program
xauth (1) - X authority file utility
xclipboard (1) - X clipboard client
xcutsel - interchange between cut buffer and selection
xclock (1) - analog / digital clock for X
xcmsdb (1) - Device Color Characterization utility for X Color Management System
xconsole (1) - monitor system console messages with X
xdm (1) - X Display Manager with support for XDMCP, host chooser
sessreg (1) - manage utmp/wtmp entries for non-init clients
xdpyinfo (1) - display information utility for X
dga (1) - test program for the XFree86-DGA extension
xfd (1) - display all the characters in an X font
xfs (1) - X font server
xfindproxy - locate proxy services
xfwp - X firewall proxy
xhost (1) - server access control program for X
xieperf - XIE server extension test and demo program
xinit (1) - X Window System initializer
startx (1) - initialize an X session
.B setxkbmap
xkbcomp (1) - compile XKB keyboard description
xkbevd (1) - XKB event daemon
xkbprint (1) - print an XKB keyboard description
xkill - kill a client by its X resource
xlogo - X Window System logo
xlsatoms - list interned atoms defined on server
xlsclients - list client applications running on a display
xlsfonts (1) - server font list displayer for X
xmag (1) - magnify parts of the screen
xmh (1) - send and read mail with an X interface to MH
xmodmap - utility for modifying keymaps and pointer button mappings in X
xprop - property displayer for X
xrdb - X server resource database utility
xrefresh - refresh all or part of an X screen
xrx - RX helper program
xset - user preference utility for X
xsetroot (1) - root window parameter setting utility for X
xsm (1) - X Session Manager
xstdcmap - X standard colormap utility
xsetmode (1) - set the mode for an X Input device
xsetpointer (1) - set an X Input device as the main pointer
xterm (1) - terminal emulator for X
resize (1) - set TERMCAP and terminal settings to current xterm window size
xvidtune (1) - video mode tuner for XFree86
xwd - dump an image of an X window
xwininfo (1) - window information utility for X
xwud - image displayer for X
Xserver (1) - X Window System display server
XFree86 - X11R6 for UNIX on x86 platforms
XF86Config - Configuration File for XFree86
XF86_Mono - 1 bit non-accelerated X Window System servers for UNIX on
XF86_VGA16 - 4 bit non-accelerated X Window System server for UNIX on
XF86_SVGA - SVGA X Window System servers for UNIX on 
XF86_Accel - accelerated X Window System servers for
XF86DGAQueryExtension, XF86DGAQueryVersion, XF86DGAQueryDirectVideo, XF86DGAGetVideo, XF86DGADirectVideo, XF86DGASetVidPage, XF86DGASetViewPort, XF86DGAViewPortChanged, XF86DGAGetViewPortSize, XF86DGAInstallColormap, XF86DGAForkApp (3) - XFree86-DGA extension interface functions
XF86MiscQueryExtension, XF86MiscQueryVersion, XF86MiscGetMouseSettings, XF86MiscSetMouseSettings, XF86MiscGetKbdSettings, XF86MiscSetKbdSettings (3) - XFree86-Misc extension interface functions
XF86VidModeQueryExtension, XF86VidModeQueryVersion, XF86VidModeGetModeLine, XF86VidModeGetAllModeLines, XF86VidModeDeleteModeLine, XF86VidModeModModeLine, XF86VidModeValidateModeLine, XF86VidModeSwitchMode, XF86VidModeSwitchToMode, XF86VidModeLockModeSwitch, XF86VidModeGetMonitor, XF86VidModeGetViewPort, XF86VidModeSetViewPort (3) - XFree86-VidMode extension interface functions
reconfig (1) - convert old Xconfig to new XF86Config
xf86config (1) - generate an XF86Config file
XF86Setup - Graphical configuration utility for XFree86
xmseconfig - Graphical mouse configuration utility
SuperProbe - probe for and identify installed video hardware.
Xvfb (1) - virtual framebuffer X server for X Version 11
Xnest (1) - a nested X server
lbxproxy - Low BandWidth X proxy
xon (1) - start an X program on a remote machine
X (3) - a portable, network-transparent window system
XConsortium (3) - X Consortium information
XStandards (3) - X Consortium Standards
Xsecurity (3) - X display access control
AllPlanes, BlackPixel, WhitePixel, ConnectionNumber, DefaultColormap, DefaultDepth, XListDepths, DefaultGC, DefaultRootWindow, DefaultScreenOfDisplay, DefaultScreen, DefaultVisual, DisplayCells, DisplayPlanes, DisplayString, XMaxRequestSize, XExtendedMaxRequestSize, LastKnownRequestProcessed, NextRequest, ProtocolVersion, ProtocolRevision, QLength, RootWindow, ScreenCount, ScreenOfDisplay, ServerVendor, VendorRelease (3) - Display macros and functions
BlackPixelOfScreen, WhitePixelOfScreen, CellsOfScreen, DefaultColormapOfScreen, DefaultDepthOfScreen, DefaultGCOfScreen, DefaultVisualOfScreen, DoesBackingStore, DoesSaveUnders, DisplayOfScreen, XScreenNumberOfScreen, EventMaskOfScreen, HeightOfScreen, HeightMMOfScreen, MaxCmapsOfScreen, MinCmapsOfScreen, PlanesOfScreen, RootWindowOfScreen, WidthOfScreen, WidthMMOfScreen (3) - screen information functions and macros
DisplayOfCCC, VisualOfCCC, ScreenNumberOfCCC, ScreenWhitePointOfCCC, ClientWhitePointOfCCC (3) - Color Conversion Context macros
ImageByteOrder, BitmapBitOrder, BitmapPad, BitmapUnit, DisplayHeight, DisplayHeightMM, DisplayWidth, DisplayWidthMM, XListPixmapFormats, XPixmapFormatValues (3) - image format functions and macros
IsCursorKey, IsFunctionKey, IsKeypadKey, IsMiscFunctionKey, IsModiferKey, IsPFKey, IsPrivateKeypadKey (3) - keysym classification macros
XAllocClassHint, XSetClassHint, XGetClassHint, XClassHint (3) - allocate class hints structure and set or read a window's WM_CLASS property
XAllocIconSize, XSetIconSizes, XGetIconSizes, XIconSize (3) - allocate icon size structure and set or read a window's WM_ICON_SIZES property
XAllocStandardColormap, XSetRGBColormaps, XGetRGBColormaps, XStandardColormap (3) - allocate, set, or read a standard colormap structure
XAllocSizeHints, XSetWMNormalHints, XGetWMNormalHints, XSetWMSizeHints, XGetWMSizeHints, XSizeHints (3) - allocate size hints structure and set or read a window's WM_NORMAL_HINTS property
XAllocWMHints, XSetWMHints, XGetWMHints, XWMHints (3) - allocate window manager hints structure and set or read a window's WM_HINTS property
XAddHost, XAddHosts, XListHosts, XRemoveHost, XRemoveHosts, XSetAccessControl, XEnableAccessControl, XDisableAccessControl, XHostAddress (3) - control host access and host control structure
XAllocColor, XAllocNamedColor, XAllocColorCells, XAllocColorPlanes, XFreeColors (3) - allocate and free colors
XAllowEvents (3) - release queued events
XAnyEvent, XEvent (3) - generic X event structures
XButtonEvent, XKeyEvent, XMotionEvent (3) - KeyPress, KeyRelease, ButtonPress, ButtonRelease, and MotionNotify event structures
XChangeKeyboardControl, XGetKeyboardControl, XAutoRepeatOn, XAutoRepeatOff, XBell, XQueryKeymap, XKeyboardControl (3) - manipulate keyboard settings and keyboard control structure
XChangeKeyboardMapping, XGetKeyboardMapping, XDisplayKeycodes, XSetModifierMapping, XGetModifierMapping, XNewModifiermap, XInsertModifiermapEntry, XDeleteModifiermapEntry, XFreeModifierMap XModifierKeymap (3) - manipulate keyboard encoding and keyboard encoding structure
XClientMessageEvent (3) - ClientMessage event structure
XChangePointerControl, XGetPointerControl (3) - control pointer 
XChangeSaveSet, XAddToSaveSet, XRemoveFromSaveSet (3) - change a client's save set
XChangeWindowAttributes, XSetWindowBackground, XSetWindowBackgroundPixmap, XSetWindowBorder, XSetWindowBorderPixmap, XSetWindowColormap (3) - change window attributes
XCreateWindowEvent (3) - CreateNotify event structure
XCirculateEvent (3) - CirculateNotify event structure
XCirculateRequestEvent (3) - CirculateRequest event structure
XClearArea, XClearWindow (3) - clear area or window
XColormapEvent (3) - ColormapNotify event structure
XConfigureEvent (3) - ConfigureNotify event structure
XConfigureRequestEvent (3) - ConfigureRequest event structure
XConfigureWindow, XMoveWindow, XResizeWindow, XMoveResizeWindow, XSetWindowBorderWidth, XWindowChanges (3) - configure windows and window changes structure
XCopyArea, XCopyPlane (3) - copy areas
XCreateColormap, XCopyColormapAndFree, XFreeColormap, XColor (3) - create, copy, or destroy colormaps and color structure
XCreateFontCursor, XCreatePixmapCursor, XCreateGlyphCursor (3) - create cursors
XCreateFontSet, XFreeFontSet (3) - create and free an international text drawing font set
XCreateGC, XCopyGC, XChangeGC, XGetGCValues, XFreeGC, XGContextFromGC, XGCValues (3) - create or free graphics contexts and graphics context structure
XCreateIC, XDestroyIC, XIMOfIC (3) - create, destroy, and obtain the input method of an input context
XInitImage, XCreateImage, XGetPixel, XPutPixel, XSubImage, XAddPixel, XDestroyImage (3) - image utilities
XCreateOC, XDestroyOC, XSetOCValues, XGetOCValues, XOMOfOC (3) - create output contexts
XCreatePixmap, XFreePixmap (3) - create or destroy pixmaps
XCreateRegion, XSetRegion, XDestroyRegion (3) - create or destroy regions
XCreateWindow, XCreateSimpleWindow, XSetWindowAttributes (3) - create windows and window attributes structure
XCrossingEvent (3) - EnterNotify and LeaveNotify event structure
XDestroyWindowEvent (3) - DestroyNotify event structure
XDefineCursor, XUndefineCursor (3) - define cursors
XDestroyWindow, XDestroySubwindows (3) - destroy windows
XDrawArc, XDrawArcs, XArc (3) - draw arcs and arc structure
XDrawImageString, XDrawImageString16 (3) - draw image text
XDrawLine, XDrawLines, XDrawSegments, XSegment (3) - draw lines, polygons, and line structure
XDrawPoint, XDrawPoints, XPoint (3) - draw points and points structure
XDrawRectangle, XDrawRectangles, XRectangle (3) - draw rectangles and rectangles structure
XDrawString, XDrawString16 (3) - draw text characters
XDrawText, XDrawText16, XTextItem, XTextItem16 (3) - draw polytext text and text drawing structures
XEmptyRegion, XEqualRegion, XPointInRegion, XRectInRegion (3) - determine if regions are empty or equal
XrmEnumerateDatabase (3) - enumerate resource database entries
XExtentsOfFontSet (3) - obtain the maximum extents structure for a font set
XErrorEvent (3) - X error event structure
XExposeEvent (3) - Expose event structure
XFocusChangeEvent (3) - FocusIn and FocusOut event structure
XFilterEvent (3) - filter X events for an input method
XFontSetExtents (3) - XFontSetExtents structure
XFillRectangle, XFillRectangles, XFillPolygon, XFillArc, XFillArcs (3) - fill rectangles, polygons, or arcs
XFlush, XSync, XEventsQueued, XPending (3) - handle output buffer or event queue
XFontsOfFontSet, XBaseFontNameListOfFontSet, XLocaleOfFontSet, XContextDependentDrawing, XContextualDrawing, XDirectionalDependentDrawing (3) - obtain fontset information
XFree (3) - free client data
XGraphicsExposeEvent, XNoExposeEvent (3) - GraphicsExpose and NoExpose event structures
XGravityEvent (3) - GravityNotify event structure
XrmGetFileDatabase, XrmPutFileDatabase, XrmGetStringDatabase, XrmLocaleOfDatabase, XrmGetDatabase, XrmSetDatabase, XrmDestroyDatabase (3) - retrieve and store resource databases
XrmGetResource, XrmQGetResource, XrmQGetSearchList, XrmQGetSearchResource (3) - retrieve database resources and search lists
XGetVisualInfo, XMatchVisualInfo, XVisualIDFromVisual, XVisualInfo (3) - obtain visual information and visual structure
XGetWindowAttributes, XGetGeometry, XWindowAttributes (3) - get current window attribute or geometry and current window attributes structure
XGetWindowProperty, XListProperties, XChangeProperty, XRotateWindowProperties, XDeleteProperty (3) - obtain and change window properties
XGrabButton, XUngrabButton (3) - grab pointer buttons
XGrabKey, XUngrabKey (3) - grab keyboard keys
XGrabKeyboard, XUngrabKeyboard (3) - grab the keyboard
XGrabPointer, XUngrabPointer, XChangeActivePointerGrab (3) - grab the pointer
XGrabServer, XUngrabServer (3) - grab the server
XIconifyWindow, XWithdrawWindow, XReconfigureWMWindow (3) - manipulate top-level windows
XIfEvent, XCheckIfEvent, XPeekIfEvent (3) - check the event queue with a predicate procedure
XrmInitialize, XrmParseCommand, XrmValue, XrmOptionKind, XrmOptionDescRec (3) - initialize the Resource Manager, Resource Manager structures, and parse the command line
XInstallColormap, XUninstallColormap, XListInstalledColormaps (3) - control colormaps
XAddConnectionWatch, XRemoveConnectionWatch, XProcessInternalConnection, XInternalConnectionNumbers (3) - handle Xlib internal connections
XIntersectRegion, XUnionRegion, XUnionRectWithRegion, XSubtractRegion, XXorRegion, XOffsetRegion, XShrinkRegion (3) - region arithmetic
XInternAtom, XInternAtoms, XGetAtomName, XGetAtomNames (3) - create or return atom names
XKeymapEvent (3) - KeymapNotify event structure
XListFonts, XFreeFontNames, XListFontsWithInfo, XFreeFontInfo (3) - obtain or free font names and information
XLoadFont, XQueryFont, XLoadQueryFont, XFreeFont, XGetFontProperty, XUnloadFont, XCharStruct, XFontProp, XChar2b, XFontStruct (3) - load or unload fonts and font metric structures
XLookupKeysym, XRefreshKeyboardMapping, XLookupString, XRebindKeySym (3) - handle keyboard input events in Latin-1
XrmMergeDatabases, XrmCombineDatabase, XrmCombineFileDatabase (3) - merge resource databases
XMapEvent, XMappingEvent (3) - MapNotify and MappingNotify event structures
XMapRequestEvent (3) - MapRequest event structure
XMapWindow, XMapRaised, XMapSubwindows (3) - map windows
XNextEvent, XPeekEvent, XWindowEvent, XCheckWindowEvent, XMaskEvent, XCheckMaskEvent, XCheckTypedEvent, XCheckTypedWindowEvent (3) - select events by type
XNoOp (3) - No Operation
XOpenDisplay, XCloseDisplay (3) - connect or disconnect to X server
XOpenIM, XCloseIM, XSetIMValues, XGetIMValues, XDisplayOfIM, XLocaleOfIM, XRegisterIMInstantiateCallback, XUnregisterIMInstantiateCallback (3) - open, close, and otain input method information
XOpenOM, XCloseOM, XSetOMValues, XGetOMValues, XDisplayOfOM, XLocaleOfOM (3) - open output methods
XPropertyEvent (3) - PropertyNotify event structure
XParseGeometry, XWMGeometry (3) - parse window geometry
XPolygonRegion, XClipBox (3) - generate regions
XPutBackEvent (3) - put events back on the queue
XPutImage, XGetImage, XGetSubImage (3) - transfer images
XrmPutResource, XrmQPutResource, XrmPutStringResource, XrmQPutStringResource, XrmPutLineResource (3) - store database resources
XQueryBestSize, XQueryBestTile, XQueryBestStipple (3) - determine efficient sizes
XQueryColor, XQueryColors, XLookupColor, XParseColor (3) - obtain color values
XQueryPointer (3) - get pointer coordinates
XQueryTree (3) - query window tree information
XReparentEvent (3) - ReparentNotify event structure
XResourceManagerString, XScreenResourceString (3) - obtain server resource properties
XResizeRequestEvent (3) - ResizeRequest event structure
XRaiseWindow, XLowerWindow, XCirculateSubwindows, XCirculateSubwindowsUp, XCirculateSubwindowsDown, XRestackWindows (3) - change window stacking order
XReadBitmapFile, XReadBitmapFileData, XWriteBitmapFile, XCreatePixmapFromBitmapData, XCreateBitmapFromData (3) - manipulate bitmaps
XRecolorCursor, XFreeCursor, XQueryBestCursor (3) - manipulate cursors
XReparentWindow (3) - reparent windows
XSelectionClearEvent (3) - SelectionClear event structure
XSaveContext, XFindContext, XDeleteContext, XUniqueContext (3) - associative look-up routines
XSelectionEvent (3) - SelectionNotify event structure
XSetICFocus, XUnsetICFocus (3) - set and unset input context focus
XSetICValues, XGetICValues (3) - set and obtain XIC values
XSelectInput (3) - select input events
XStringListToTextProperty, XTextPropertyToStringList, XFreeStringList, XTextProperty (3) - convert string lists and text property structure
XSelectionRequestEvent (3) - SelectionRequest event structure
XSetArcMode, XSetSubwindowMode, XSetGraphicsExposure (3) - GC convenience routines
XSetClipOrigin, XSetClipMask, XSetClipRectangles (3) - GC convenience routines
XSetCloseDownMode, XKillClient (3) - control clients
XSetCommand, XGetCommand (3) - set or read a window's WM_COMMAND property
XSetErrorHandler, XGetErrorText, XDisplayName, XSetIOErrorHandler, XGetErrorDatabaseText (3) - default error handlers
XSendEvent, XDisplayMotionBufferSize, XGetMotionEvents, XTimeCoord (3) - send events and pointer motion history structure
XSetFillStyle, XSetFillRule (3) - GC convenience routines
XSetFont (3) - GC convenience routines
XSetFontPath, XGetFontPath, XFreeFontPath (3) - set, get, or free the font search path
XSetInputFocus, XGetInputFocus (3) - control input focus
XSetLineAttributes, XSetDashes (3) - GC convenience routines
XSetPointerMapping, XGetPointerMapping (3) - manipulate pointer settings
XSetScreenSaver, XForceScreenSaver, XActivateScreenSaver, XResetScreenSaver, XGetScreenSaver (3) - manipulate the screen saver
XSetSelectionOwner, XGetSelectionOwner, XConvertSelection (3) - manipulate window selection
XSetState, XSetFunction, XSetPlanemask, XSetForeground, XSetBackground (3) - GC convenience routines
XSetTransientForHint, XGetTransientForHint (3) - set or read a window's WM_TRANSIENT_FOR property
XSetTextProperty, XGetTextProperty (3) - set and read text properties
XSetTile, XSetStipple, XSetTSOrigin (3) - GC convenience routines
XSetWMClientMachine, XGetWMClientMachine (3) - set or read a window's WM_CLIENT_MACHINE property
XSetWMColormapWindows, XGetWMColormapWindows (3) - set or read a window's WM_COLORMAP_WINDOWS property
XSetWMIconName, XGetWMIconName, XSetIconName, XGetIconName (3) - set or read a window's WM_ICON_NAME property
XSetWMName, XGetWMName, XStoreName, XFetchName (3) - set or read a window's WM_NAME property
XSetWMProperties, XmbSetWMProperties (3) - set standard window properties
XSetWMProtocols, XGetWMProtocols (3) - set or read a window's WM__PROTOCOLS property
XStoreBytes, XStoreBuffer, XFetchBytes, XFetchBuffer, XRotateBuffers (3) - manipulate cut and paste buffers
XStoreColors, XStoreColor, XStoreNamedColor (3) - set colors
XStringToKeysym, XKeysymToString, XKeycodeToKeysym, XKeysymToKeycode, XConvertCase (3) - convert keysyms
XSupportsLocale, XSetLocaleModifiers (3) - determine locale support and configure locale modifiers
XSynchronize, XSetAfterFunction (3) - enable or disable synchronization 
XmbTextListToTextProperty, XwcTextListToTextProperty, XmbTextPropertyToTextList, XwcTextPropertyToTextList, XwcFreeStringList, XDefaultString (3) - convert text lists and text property structures
XTextExtents, XTextExtents16, XQueryTextExtents, XQueryTextExtents16 (3) - compute or query text extents
XTextWidth, XTextWidth16 (3) - compute text width
XInitThreads, XLockDisplay, XUnlockDisplay (3) - multi-threading support
XTranslateCoordinates (3) - translate window coordinates
XrmUniqueQuark, XrmStringToQuark, XrmPermStringToQuark, XrmQuarkToString, XrmStringToQuarkList, XrmStringToBindingQuarkList (3) - manipulate resource quarks
XUnmapEvent (3) - UnmapNotify event structure
XUnmapWindow, XUnmapSubwindows (3) - unmap windows
XVaCreateNestedList (3) - allocate a nested variable argument list
XVisibilityNotifyEvent (3) - VisibilityNotify event structure
XWarpPointer (3) - move pointer
XcmsCCCOfColormap, XcmsSetCCCOfColormap (3) - query and modify CCC of a colormap
XcmsAllocColor, XcmsAllocNamedColor (3) - allocate colors
XcmsConvertColors (3) - convert CCC color specifications
XcmsColor, XcmsRGB, XcmsRGBi, XcmsCIEXYZ, XcmsCIEuvY, XcmsCIExyY, XcmsCIELab, XcmsCIELuv, XcmsTekHVC, XcmsPad (3) - Xcms color struture
XcmsCreateCCC, XcmsFreeCCC (3) - creating and destroying CCCs
XcmsDefaultCCC (3) - obtain the default CCC for a screen
XcmsCIELabQueryMaxC, XcmsCIELabQueryMaxL, XcmsCIELabQueryMaxLC, XcmsCIELabQueryMinL (3) - obtain the CIE L*a*b* coordinates
XcmsCIELuvQueryMaxC, XcmsCIELuvQueryMaxL, XcmsCIELuvQueryMaxLC, XcmsCIELuvQueryMinL (3) - obtain the CIE L*u*v* coordinates
XcmsQueryBlack, XcmsQueryBlue, XcmsQueryGreen, XcmsQueryRed, XcmsQueryWhite (3) - obtain black, blue, green, red, and white CCC color specifications
XcmsQueryColor, XcmsQueryColors, XcmsLookupColor (3) - obtain color values
XcmsStoreColor, XcmsStoreColors (3) - set colors
XcmsSetWhitePoint, XcmsSetWhiteAdjustProc (3) - modifying CCC attributes
XcmsTekHVCQueryMaxC, XcmsTekHVCQueryMaxV, XcmsTekHVCQueryMaxVC, XcmsTekHVCQueryMaxVSamples, XcmsTekHVCQueryMinV (3) - obtain the TekHVC coordinates
XmbDrawImageString, XwcDrawImageString (3) - draw image text using a single font set
XmbDrawString, XwcDrawString (3) - draw text using a single font set
XmbDrawText, XwcDrawText (3) - draw text using multiple font sets 
XmbLookupString, XwcLookupString (3) - obtain composed input from an input method
XmbResetIC, XwcResetIC (3) - reset the state of an input context
XmbTextEscapement, XwcTextEscapement (3) - obtain the escapement of text
XmbTextExtents, XwcTextExtents (3) - compute text extents
XmbTextPerCharExtents, XwcTextPerCharExtents (3) - obtain per-character information for a text string
XtAddCallback, XtAddCallbacks, XtRemoveCallback, XtRemoveCallbacks, XtRemoveAllCallbacks (3) - add and remove callback procedures
XtAddEventHandler, XtAddRawEventHandler, XtRemoveEventHandler, XtRemoveRawEventHandler, XtInsertEventHandler, XtInsertRawEventHandler (3) - add and remove event handlers
XtAddExposureToRegion (3) - merge exposure events into a region
XtAddGrab, XtRemoveGrab (3) - redirect user input to a modal widget
XtAppAddActions (3) - register an action table
XtAddActions (3) - register an action table
XtAppAddConverter, XtAddConverter (3) - register resource converter
XtAppAddInput, XtRemoveInput (3) - register and remove an input source
XtAppAddTimeOut, XtRemoveTimeOut (3) - register and remove timeouts
XtAppAddWorkProc, XtRemoveWorkProc (3) - Add and remove background processing procedures
XtAppCreateShell, XtVaAppCreateShell (3) - create top-level widget instance
XtAppError, XtAppSetErrorHandler, XtAppSetWarningHandler, XtAppWarning (3) - low-level error handlers
XtAppErrorMsg, XtAppSetErrorMsgHandler, XtAppSetWarningMsgHandler, XtAppWarningMsg (3) - high-level error handlers
XtAppGetErrorDatabase, XtAppGetErrorDatabaseText (3) - obtain error database
XtAppGetSelectionTimeout, XtAppSetSelectionTimeout (3) - set and obtain selection timeout values
XtAppNextEvent, XtAppPending, XtAppPeekEvent, XtAppProcessEvent, XtDispatchEvent, XtAppMainLoop (3) - query and process events and input
XtNextEvent, XtPending, XtPeekEvent, XtProcessEvent, XtMainLoop (3) - query and process events and input
XtBuildEventMask (3) - retrieve a widget's event mask
XtCallAcceptFocus (3) - calla widget's accept_focus procedure
XtCallCallbacks, XtCallCallbackList, XtHasCallbacks (3) - process callbacks
XtClass, XtSuperclass, XtIsSubclass, XtCheckSubclass, XtIsObject, XtIsRectObj, XtIsWidget, XtIsComposite, XtIsConstraint, XtIsShell, XtIsOverrideShell, XtIsWMShell, XtIsVendorShell, XtIsTransientShell, XtIsTopLevelShell, XtIsApplicationShell, XtIsSessionShell (3) - obtain and verify a widget's class
XtConfigureWidget, XtMoveWidget, XtResizeWidget (3) - move and resize widgets
XtConvert, XtDirectConvert (3) - invoke resource converters
XtConvertAndStore, XtCallConverter (3) - invoke resource converters
XtCreateApplicationContext, XtDestroyApplicationContext, XtWidgetToApplicationContext, XtToolkitInitialize (3) - create, destroy, and obtain an application context
XtCreatePopupShell, XtVaCreatePopupShell (3) - create a popup shell
XtCreateWidget, XtVaCreateWidget, XtCreateManagedWidget, XtVaCreateManagedWidget, XtDestroyWidget (3) - create and destroy widgets
XtCreateWindow (3) - window creation convenience function
XtDisplay, XtDisplayOfObject, XtScreen, XtScreenOfObject, XtWindow, XtWindowOfObject (3) - obtain window information about a widget
XtDisplayInitialize, XtOpenDisplay, XtDatabase, XtScreenDatabase, XtCloseDisplay (3) - initialize, open, or close a display
XtGetGC, XtReleaseGC (3) - obtain and destroy a sharable GC
XtGetResourceList, XtGetConstraintResourceList (3) - obtain resource list
XtGetSelectionValue, XtGetSelectionValues (3) - obtain selection values
XtGetSubresources, XtVaGetSubresources (3) - obtain subresources
XtGetApplicationResources, XtVaGetApplicationResources (3) - obtain application resources
XtMakeGeometryRequest, XtMakeResizeRequest (3) - make geometry manager request
XtMalloc, XtCalloc, XtRealloc, XtFree, XtNew, XtNewString (3) - memory management functions
XtManageChildren, XtManageChild, XtUnmanageChildren, XtUnmanageChild, XtChangeManagedSet, XtIsManaged (3) - manage and unmanage children
XtMapWidget, XtSetMappedWhenManaged, XtUnmapWidget (3) - map and unmap widgets
XtNameToWidget, XtWindowToWidget (3) - translating strings to widgets or widgets to windows
XtOffset, XtOffsetOf, XtNumber (3) - determine the byte offset or number of array elements
XtOwnSelection, XtOwnSelectionIncremental, XtDisownSelection (3) - set selection owner
XtParseAcceleratorTable, XtInstallAccelerators, XtInstallAllAccelerators (3) - managing accelerator tables
XtParseTranslationTable, XtAugmentTranslations, XtOverrideTranslations, XtUninstallTranslations (3) - manage translation tables
XtPopdown, XtCallbackPopdown (3) - unmap a pop-up
XtPopup, XtPopupSpringLoaded, XtCallbackNone, XtCallbackNonexclusive, XtCallbackExclusive (3) - map a pop-up
XtQueryGeometry (3) - query the preferred geometry of a child widget
XtRealizeWidget, XtIsRealized, XtUnrealizeWidget (3) - realize and unrealize widgets
XtSetArg, XtMergeArgLists (3) - set and merge ArgLists
XtSetKeyboardFocus (3) - focus events on a child widget
XtSetKeyTranslator, XtTranslateKeycode, XtRegisterCaseConverter, XtConvertCase (3) - convert KeySym to KeyCodes
XtSetSensitive, XtIsSensitive (3) - set and check a widget's sensitivity state
XtSetValues, XtVaSetValues, XtSetSubvalues, XtVaSetSubvalues, XtGetValues, XtVaGetValues, XtGetSubvalues, XtVaGetSubvalues (3) - obtain and set widget resources 
XtStringConversionWarning (3) - issue a conversion warning message
XtDisplayStringConversionWarning (3) - issue a conversion warning message
XtTranslateCoords (3) - translate widget coordinates
XtGetKeysymTable, XtKeysymToKeycodeList (3) - query keysyms and keycodes 
XtAppSetTypeConverter, XtSetTypeConverter (3) - register resource converter
XtAppAddActionHook, XtRemoveActionHook (3) - register an action hook procedure
XtGetActionList (3) - obtain class action list
XtCallActionProc (3) - invoke an action procedure directly
XtRegisterGrabAction (3) - register button and key grabs
XtSetMultiClickTime, XtGetMultiClickTime (3) - set and get multi-click times
XtGetActionKeysym (3) - obtain corresponding keysym
XtInsertEventTypeHandler, XtRemoveEventTypeHandler, (3) 
XtGetKeyboardFocusWidget (3) - extension event handling
XtLastEventProcessed, XtLastTimestampProcessed (3) - last event, last timestamp processed
XtAppAddSignal, XtRemoveSignal, XtNoticeSignal (3) - register and remove a signal source
XtAddInput, XtAddTimeout (3) - register input, timeout, and workprocs
XtAppAddBlockHook, XtRemoveBlockHook (3) - register a block hook procedure
XtGetClassExtension (3) - locate a class extension record
XtVaCreateArgsList (3) - dynamically allocate a varargs list
XtParent (3) - obtain widget's parent widget id
XtName (3) - obtain widget's name
XtCreateApplicationShell (3) - create top-level widget instance
XtSetLanguageProc (3) - set the language procedure
XtAppInitialize, XtVaAppInitialize (3) - initialize, open, or close a display
XtInitialize (3) - initialize
XtAppSetFallbackResources (3) - set fallback resources
XtInitializeWidgetClass (3) - initialize a widget class
XtDisplayToApplicationContext (3) - obtain an application context
XtSessionGetToken, XtSessionReturnToken (3) - token management for checkpointing
XtErrorMsg, XtSetErrorMsgHandler, XtWarningMsg, XtSetWarningMsgHandler (3) - high-level error handlers
XtError, XtSetErrorHandler, XtSetWarningHandler, XtWarning (3) - low-level error handlers
XtGetErrorDatabase, XtGetErrorDatabaseText (3) - obtain error database
XtAllocateGC (3) - obtain a sharable GC with modifiable fields
XtAppReleaseCacheRefs (3) - decrement reference counts for resources
XtSetWMColormapWindows (3) - Set the value of the WM_COLORMAP_WINDOWS property
XtFindFile (3) - search for a file using substitutions in the path list
XtResolvePathname (3) - search for a file using standard substitution
XtGetSelectionValueIncremental, XtGetSelectionValuesIncremental (3) - obtain selection values
XtGetSelectionTimeout, XtSetSelectionTimeout (3) - set and obtain selection timeout values
XtGetSelectionRequest (3) - retrieve the event that triggered the XtConvertSelectionProc
XtSetSelectionParameters (3) - specify target parameters for a selection request with a single target
XtGetSelectionParameters (3) - retrieve target parameters for a selection request with a single target
XtCreateSelectionRequest, XtSendSelectionRequest, XtCancelSelectionRequest (3) - bundle multiple selection conversion requests into a single request using MULTIPLE target
XtReservePropertyAtom, XtReleasePropertyAtom (3) - maintain a cache of property atoms
XtGrabKey, XtUngrabKey, XtGrabKeyboard, XtUngrabKeyboard, XtGrabButton, XtUngrabButton, XtGrabPointer, XtUngrabPointer (3) - manage grabs
XtGetApplicationNameAndClass (3) - retrieve application name and class
XtRegisterDrawable (3) - register a drawable with the Intrisics event dispatcher
XtHooksOfDisplay (3) - external agent access points
XtGetDisplays (3) - retrieve a list of displays associated with an application context
XtToolkitThreadInitialize (3) - initialize the toolkit for multiple threads
XtAppSetExitFlag, XtAppGetExitFlag (3) - thread support functions
XtAppLock, XtAppUnlock (3) - lock and unlock application context
XtProcessLock, XtProcessUnlock (3) - lock and unlock process
XtOpenApplication, XtVaOpenApplication (3) - initialize, open, or close a display
XShapeQueryExtension, XShapeQueryVersion, XShapeCombineRegion, XShapeCombineRectangles, XShapeCombineMask, XShapeCombineShape, XShapeOffsetShape, XShapeQueryExtents, XShapeSelectInput, XShapeInputSelected, XShapeGetRectangles (3) - X nonrectangular shape functions
XmbufQueryExtension, XmbufGetVersion, XmbufCreateBuffers, XmbufDestroyBuffers, XmbufDisplayBuffers, XmbufGetWindowAttributes, XmbufChangeWindowAttributes, XmbufGetBufferAttributes, XmbufChangeBufferAttributes, XmbufGetScreenInfo, XmbufCreateStereoWindow - X multibuffering functions
XdbeAllocateBackBufferName - allocates a DBE buffer.
XdbeBeginIdiom - marks the beginning of a DBE idiom sequence.
XdbeEndIdiom - marks the end of a DBE idiom sequence.
XdbeDeallocateBackBufferName - frees a DBE buffer.
XdbeFreeVisualInfo - frees information returned by
XdbeQueryExtension - returns the version of DBE supported by the server.
XdbeSwapBuffers - swaps front and back DBE buffers.
XdbeGetBackBufferAttributes - returns attributes of a DBE buffer.
XdbeGetVisualInfo
DBE - Double Buffer Extension
XAllowDeviceEvents (3) - release queued events
XGetDeviceControl, XChangeDeviceControl (3) - query and change input device controls
XGetFeedbackControl, XChangeFeedbackControl (3) - query and change input device feedbacks
XGetDeviceKeyMapping, XChangeDeviceKeyMapping (3) - query or change device key mappings
XGetDeviceModifierMapping, XSetDeviceModifierMapping (3) - query or change device modifier mappings
XChangeDeviceDontPropagateList, XGetDeviceDontPropagateList (3) - query or change the dont-propagate-list for extension devices
XChangeKeyboardDevice (3) - change which device is used as the X keyboard
XChangePointerDevice (3) - change which device is the X pointer
XDeviceBell (3) - ring a bell on a device supported through the input extension
XGetDeviceMotionEvents, XDeviceTimeCoord (3) - get device motion history 
XGetExtensionVersion (3) - query the version of the input extension.
XGrabDeviceButton, XUngrabDeviceButton (3) - grab/ungrab extension input device buttons
XGrabDeviceKey, XUngrabDeviceKey (3) - grab/ungrab extension input device Keys
XGrabDevice, XUngrabDevice (3) - grab/release the specified extension device
XListInputDevices, XFreeDeviceList (3) - list available input devices
XOpenDevice, XCloseDevice (3) - open or close an extension input device
XQueryDeviceState (3) - query the state of an extension input device.
XSendExtensionEvent (3) - send input extension events to a client
XSetDeviceButtonMapping, XGetDeviceButtonMapping (3) - query or change device button mappings
XSetDeviceFocus, XGetDeviceFocus (3) - control extension input device focus
XSelectExtensionEvent, XGetSelectedExtensionEvents (3) - select extension events, get the list of currently selected extension events
XSetDeviceValuators (3) - initialize the valuators on an extension input device
XSetDeviceMode (3) - change the mode of a device
Xau library: XauFileName, XauReadAuth, XauLockAuth, XauUnlockAuth,
ico (1) - animate an icosahedron or other polyhedron
listres - list resources in widgets
showfont (1) - font dumper for X font server
viewres - graphical class browser for Xt
xbiff (1) - mailbox flag for X
xcalc (1) - scientific calculator for X
xditview (1) - display ditroff output
xedit (1) - simple text editor for X
xev - print contents of X events
xeyes (1) - a follow the mouse X demo
xfontsel (1) - point and click selection of X11 font names
xgc - X graphics demo
xload (1) - system load average display for X
xman (1) - Manual page display program for the X Window System
xmessage (1) - display a message or query in a window (X-based /bin/echo)
