Sindbad~EG File Manager

void position(int, int *);  /* public, called in grapher.c */
void set_title_viewport(int position);  /* not static, called in grapher.c */
MEXPORT_CGRAPH void setupdata(int *, int *, term, graph **);
MEXPORT_CGRAPH void fill_graph_structures(int, int, term, graph**);
MEXPORT_CGRAPH int  default_range(term, int, int, double *, double *, double *, double *, graph *);
MEXPORT_CGRAPH void adjust_graph_structures(int, term, graph**);
MEXPORT_CGRAPH int nonconstant_exponent(term);
MEXPORT_CGRAPH int fix_exponents(term,term *);
MEXPORT_CGRAPH int needs_circular_aspect(int,int);
MEXPORT_CGRAPH void pixel_fields(graph *);