XNoOp(XS) X Version 11 (Release 5) 6 January 1993 XNoOp(XS) Name XNoOp - No Operation Syntax XNoOp(display) Display *display; Arguments display Specifies the connection to the X server. Description The XNoOp function sends a NoOperation protocol request to the X server, thereby exercising the connection. See also Xlib - C Language X Interface