# place-holder
use util
typedef long colour
colour coln(char *name)
	use(name)
	return 0
line(num x0, num y0, num x1, num y1)
	use(x0) ; use(y0) ; use(x1) ; use(y1)
gprint(cstr s)
	use(s)
num font_height()
	return 0
paint()
	.