struct graph *graph_new(unsigned int xdim, unsigned int ydim, const char *font);
/* graph_new() Returns a new graph structure of the given dimensions and font */
void graph_set_size(struct graph *g, unsigned int xdim, unsigned int ydim);
struct graph *graph_new(unsigned int xdim, unsigned int ydim, const char *font);
/* graph_new() Returns a new graph structure of the given dimensions and font */
void graph_set_size(struct graph *g, unsigned int xdim, unsigned int ydim);