#define PI 3.141592653585793
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

void annulus(double, double, double, double);
void arc(double, double, double, double, double);
void arcn(double, double, double, double, double);
void arcto(double, double, double, double, double);
void arctorot(double, double, double, double, double,double);
void arrow(double, double, double, double, double);
void arrowa(double, double, double, double, double);
void arrowb(double, double, double, double, double);
void arrowc(double, double, double, double, double);
void arrowfill(double, double, double, double, double);
void arrowrot(double, double, double, double, double, double);
void arrowwide(double, double, double, double, double, double);
void battery(double, double, double, double, double, double);
void brokenlines(double *, double *, int);
void circ(double, double, double);
void circn(double, double, double);
void clipoff(void);
void clipon(void);
void cliponrec(double, double, double, double);
void closepath(void);
void coil(double, double, double, double, double, int);
void curvto(double, double, double, double, double, double);
void curvton(double *, double *, int);
void curvtona(double *, double *, double, int);
void dims(double, double, double, double, double);
void dimsrot(double, double, double, double, double,double);
void ellipse(double, double, double, double);
void ellipserot(double, double, double, double, double);
void eoclipon(void);
void eocliponrec(double, double, double, double);
void fill(void);
void fin(void);
void grestore(void);
void gsave(void);
void init(void);
void init1(int);
void lgcurves(double *, double *, int);
void line(double, double, double, double);
void linerot(double, double, double, double, double);
void linecap(int);
void linety(int);
void linewidth(double);
void newpath(void);
void parabola(double, double, double, double, double, double);
void plot(double, double, int);
void plotrot(double, double, double, int);
void polygon(double, double, double, int);
void polygonrot(double, double, double, double, int);
void rect(double, double, double, double);
void rectrot(double, double, double, double, double);
void rectround(double, double, double, double, double);
void rectroundrot(double, double, double, double, double, double);
void resist(double, double, double, double, double); 
void rotate(double);
void rplot(double, double, int);
void rplotrot(double, double, double, int);
void scale(double, double);
void setchar(int, int);
void setgray(double);
void setlinejoin(int);
void setrgb(double, double, double);
void setcmyk(double, double, double, double);
void spline(double, double, double, double, double, double, double, double, int);
void square(double, double, double);
void squarerot(double, double, double, double);
void star(double, double, double, double, int); 
void starx(double, double, double, double, int);
void stroke(void);
void text(double, double, char* );
void text1(double, double, char);
void textx(double, double, char* );
void texty(double, double, char* );
void textrot(double, double, double, char* );
void translate(double, double);
void translateo(double);
void triangle(double, double, double, double);
void viewport(double, double, double, double);
void xyworld(double, double, double, double);