int reposition_window(int x, int y, int w, int h);
int reposition_window_relative(int dx, int dy);
int reposition_window_relative(int dx, int dy, int w, int h);
int reposition_window(int x, int y, int w, int h);
int reposition_window_relative(int dx, int dy);
int reposition_window_relative(int dx, int dy, int w, int h);