|  | /* | 
|  | * Prototypes for libplot functions. | 
|  | */ | 
|  | void rarc(double, double, double, double, double, double, double); | 
|  | void box(double, double, double, double); | 
|  | void cfill(char *); | 
|  | void circ(double, double, double); | 
|  | void closepl(void); | 
|  | void color(char *); | 
|  | void plotdisc(double, double, double); | 
|  | void dpoint(double, double); | 
|  | void erase(void); | 
|  | void fill(int [], double *[]); | 
|  | void frame(double, double, double, double); | 
|  | void grade(double); | 
|  | void idle(void); | 
|  | void plotline(double, double, double, double); | 
|  | void move(double, double); | 
|  | void openpl(char *); | 
|  | void parabola(double, double, double, double, double, double); | 
|  | void pen(char *); | 
|  | void plotpoly(int [], double *[]); | 
|  | void ppause(void); | 
|  | void ptype(char *); | 
|  | void range(double, double, double, double); | 
|  | void restore(void); | 
|  | void rmove(double, double); | 
|  | void rvec(double, double); | 
|  | void sbox(double, double, double, double); | 
|  | void splin(int, int [], double *[]); | 
|  | void text(char *); | 
|  | void vec(double, double); | 
|  | void save(void); | 
|  | char *whoami(void); | 
|  | void doublebuffer(void); |