MV: A Multiple Views Package for GP

int     mvopen  (int n);

void    mvclose (void);

void    mvwindow(int n, real xmin, real xmax, real ymin, real ymax);

void    mvviewport(int n, real xmin, real xmax, real ymin, real ymax);

void    mvframe (void);

void    mvclear (int c);

int     mvact   (int n);

void    mvdiv   (int nx, int ny, real xmin, real xmax, real ymin, real ymax);

void    mvmake  (int nx, int ny);

char*   mvevent (int wait, real* x, real* y, int* view);

Source Code