运用C程序设计一个百叶窗?

30*y+n;
   cleardevice(),n;=400;
#include<),480;
     getch();=30,30*y+n);n++)
   {
    for(y=0;
      delay(400);
      line(0;
     }
    }
    getch();
void main()
{
 int gdriver=DETECT;
     line(0#include<
      line(0;n<!kbhit());y++)
    {
     setcolor(6);graphics;
      setcolor(15),480,gmode;
     delay(100),y;n++)
    {
     for(y=0;
     closegraph();y++)
     {
      setcolor(15),480,&gmode;stdio;y<TURBOC2"y<
    for(n=0;=30;
      }
     }
     }while(,",30*y+n;
 do
  {
   setbkcolor(15);
   for(n=0,30*y-n);
 initgraph(&gdriver.h>n<,30*y-n,30*y+n);D\=30;TC\.h>