wt_widget *wt_window(wt_widget *par, const char *title, int style, int x, int y, int width, int height);
wt_widget *wt_label(wt_widget *par, const char *text, int x, int y);
wt_widget *wt_button(wt_widget *par, const char *text, int x, int y, int width, int height);
wt_widget *wt_window(wt_widget *par, const char *title, int style, int x, int y, int width, int height);
wt_widget *wt_label(wt_widget *par, const char *text, int x, int y);
wt_widget *wt_button(wt_widget *par, const char *text, int x, int y, int width, int height);