void x_wm_set_cell_size (Widget wmshell, int cw, int ch);
void x_wm_set_variable_size (Widget wmshell, int width, int height);
-CONST char *x_event_name (int event_type);
+const char *x_event_name (int event_type);
int x_error_handler (Display *disp, XErrorEvent *event);
void expect_x_error (Display *dpy);
int x_error_occurred_p (Display *dpy);