  PROC t_arc(x,y,r,v,a) CLOSED  
  PROC arcl(r,v) CLOSED  
  PROC arcr(r,v) CLOSED  
  PROC bk(x) CLOSED  
  PROC t_background(c) CLOSED  
  PROC t_circle(x,y,r) CLOSED  
  PROC cs CLOSED  
  PROC clr CLOSED  
  PROC t_clip(x1,x2,y1,y2) CLOSED  
  PROC t_noclip CLOSED  
  PROC drw(x,y) CLOSED  
  PROC drwto(x,y) CLOSED  
  PROC t_fill(x,y) CLOSED  
  PROC fd(x) CLOSED  
  PROC openturtle(mode) CLOSED  
  FUNC heading CLOSED  
  PROC ht CLOSED  
  PROC home CLOSED  
  FUNC inquire(i#) CLOSED  
  PROC lt(v) CLOSED  
  PROC t_loadscreen(n$) CLOSED  
  PROC mov(x,y) CLOSED  
  PROC movto(x,y) CLOSED  
  PROC t_paint(x,y) CLOSED  
  PROC pc(c) CLOSED  
  PROC pd CLOSED  
  PROC pu CLOSED  
  PROC t_plot(x,y) CLOSED  
  PROC t_plottext(x,y,t$) CLOSED  
  PROC t_polygon(n#,x(),y()) CLOSED  
  PROC rt(v) CLOSED  
  PROC seth(v) CLOSED  
  PROC setxy(x,y) CLOSED  
  PROC st CLOSED  
  PROC closeturtle CLOSED  
  PROC tsize(x) CLOSED  
  PROC t_viewport(x1,x2,y1,y2) CLOSED  
  PROC t_window(x1,x2,y1,y2) CLOSED  
