#include <u.h>#include <libc.h>#include <draw.h>#include <cursor.h> ulong color = 0x6060a8ff; int main(int argc, char **argv){	Image *im; 	if(initdraw(nil, nil, "drawline") == -1){		fprint(2, "initdraw: %r\n");		return 1;	} 	im = allocimage(display, Rect(0, 0, 1, 1), CMAP8, 1, color); 	line(screen, (Point){0, 0}, (Point){400, 400},		Endsquare, Endsquare, 6, im, (Point){0, 0}); 	flushimage(display, 1); 	sleep(5000);	return 0;}