hpux man page for xnoop

XNoOp() 																   XNoOp()

Name
  XNoOp - send a NoOp to exercise connection with the server.

Synopsis
  XNoOp(display)
	Display *display;

Arguments
  display   Specifies a connection to an X server; returned from XOpenDisplay().

Description
  XNoOp()  sends  a NoOperation request to the X server, thereby exercising the connection.  This request can be used to measure the response
  time of the network connection.  XNoOp() does not flush the request buffer.

See Also
  XDefaultScreen(), XCloseDisplay(), XFree(), XOpenDisplay().

Xlib - HouseKeeping															   XNoOp()