Listing 2

Display     *display;
Window      window;
Window      parent_window;
int         x, y;
unsigned int    width, height, border_width;
unsigned long   border_color, background_color;

window = XCreateSimpleWindow( display,
       parent_window,
       X, y,
       width, height,
       border_width,
       border_color,
       background_color );