#include <u.h>#include <libc.h>#include <draw.h> intdrawreplxy(int min, int max, int x){	int sx; 	sx = (x-min)%(max-min);	if(sx < 0)		sx += max-min;	return sx+min;} Pointdrawrepl(Rectangle r, Point p){	p.x = drawreplxy(r.min.x, r.max.x, p.x);	p.y = drawreplxy(r.min.y, r.max.y, p.y);	return p;}