
void main()
main: scope:[main]  from
  [0] main::screen = (char *) 1024
  [1] main::i = 0
  to:main::@1
main::@1: scope:[main]  from main main::@1
  [2] *main::screen = 'a'
  [3] main::screen = ++ main::screen
  [4] main::i = ++ main::i
  [5] if(main::i!=6) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@1
  [6] return 
  to:@return
