void winLine(int a, int b, int c, int d, WinColor col, int w);
void winRect(int a, int b, int width, int height, WinColor col, int w);
void winCircle(int a, int b, int width, int height, WinColor col, int w);
void winFillRect(int a, int b, int width, int height, WinColor col);
void winFillCircle(int a, int b, int width, int height, WinColor col);
void winPoint(int a, int b, WinColor col);
void winPoly(int n, pixel p[], WinColor col, int w);où pixel est défini par
struct pixel { short a, b; };
void winFillPoly(int n, pixel p[], WinColor col);
void winString(int a, int b, string s, WinColor col);